1
Most of this is the Neon decodetree patches, followed by Edgar's versal cleanups.
1
Last few changes before rc0: a few bug fixes, but mostly
2
docs stuff.
2
3
3
thanks
4
-- PMM
4
-- PMM
5
5
6
The following changes since commit a97fca4ceb9d9b10aa8b582e817a5ee6c42ffbaf:
6
7
7
The following changes since commit 2ef486e76d64436be90f7359a3071fb2a56ce835:
8
Merge remote-tracking branch 'remotes/mst/tags/for_upstream3' into staging (2021-07-16 16:34:42 +0100)
8
9
Merge remote-tracking branch 'remotes/marcel/tags/rdma-pull-request' into staging (2020-05-03 14:12:56 +0100)
10
9
11
are available in the Git repository at:
10
are available in the Git repository at:
12
11
13
https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20200504
12
https://git.linaro.org/people/pmaydell/qemu-arm.git tags/pull-target-arm-20210718
14
13
15
for you to fetch changes up to 9aefc6cf9b73f66062d2f914a0136756e7a28211:
14
for you to fetch changes up to 8fe612a183dec4c63afdc57537079bc742d024ca:
16
15
17
target/arm: Move gen_ function typedefs to translate.h (2020-05-04 12:59:26 +0100)
16
target/arm: Remove duplicate 'plus1' function from Neon and SVE decode (2021-07-18 10:59:47 +0100)
18
17
19
----------------------------------------------------------------
18
----------------------------------------------------------------
20
target-arm queue:
19
target-arm queue:
21
* Start of conversion of Neon insns to decodetree
20
* Remove duplicate 'plus1' function from Neon and SVE decode
22
* versal board: support SD and RTC
21
* Fix offsets for TTBCR for big-endian hosts
23
* Implement ARMv8.2-TTS2UXN
22
* docs: fix copyright date
24
* Make VQDMULL undefined when U=1
23
* docs: add license/version info to HTML footers
25
* Some minor code cleanups
24
* docs: add an About section
25
* docs: document some more arm boards
26
26
27
----------------------------------------------------------------
27
----------------------------------------------------------------
28
Edgar E. Iglesias (11):
28
Peter Maydell (11):
29
hw/arm: versal: Remove inclusion of arm_gicv3_common.h
29
docs: Fix documentation Copyright date
30
hw/arm: versal: Move misplaced comment
30
docs: Stop calling the top level subsections of our manual 'manuals'
31
hw/arm: versal-virt: Fix typo xlnx-ve -> xlnx-versal
31
docs: Remove "Contents:" lines from top-level subsections
32
hw/arm: versal: Embed the UARTs into the SoC type
32
docs: Move deprecation, build and license info out of system/
33
hw/arm: versal: Embed the GEMs into the SoC type
33
docs: Add some actual About text to about/index.rst
34
hw/arm: versal: Embed the ADMAs into the SoC type
34
docs: Add license note to the HTML page footer
35
hw/arm: versal: Embed the APUs into the SoC type
35
docs: Add QEMU version information to HTML footer
36
hw/arm: versal: Add support for SD
36
docs: Add skeletal documentation of cubieboard
37
hw/arm: versal: Add support for the RTC
37
docs: Add skeletal documentation of the emcraft-sf2
38
hw/arm: versal-virt: Add support for SD
38
docs: Add skeletal documentation of highbank and midway
39
hw/arm: versal-virt: Add support for the RTC
39
target/arm: Remove duplicate 'plus1' function from Neon and SVE decode
40
40
41
Fredrik Strupe (1):
41
Richard Henderson (1):
42
target/arm: Make VQDMULL undefined when U=1
42
target/arm: Fix offsets for TTBCR
43
43
44
Peter Maydell (25):
44
docs/_templates/footer.html | 14 ++++++++++++++
45
target/arm: Don't use a TLB for ARMMMUIdx_Stage2
45
docs/{system => about}/build-platforms.rst | 0
46
target/arm: Use enum constant in get_phys_addr_lpae() call
46
docs/{system => about}/deprecated.rst | 0
47
target/arm: Add new 's1_is_el0' argument to get_phys_addr_lpae()
47
docs/about/index.rst | 27 +++++++++++++++++++++++++++
48
target/arm: Implement ARMv8.2-TTS2UXN
48
docs/{system => about}/license.rst | 0
49
target/arm: Use correct variable for setting 'max' cpu's ID_AA64DFR0
49
docs/{system => about}/removed-features.rst | 0
50
target/arm/translate-vfp.inc.c: Remove duplicate simd_r32 check
50
docs/conf.py | 2 +-
51
target/arm: Don't allow Thumb Neon insns without FEATURE_NEON
51
docs/devel/index.rst | 7 +------
52
target/arm: Add stubs for AArch32 Neon decodetree
52
docs/index.rst | 1 +
53
target/arm: Convert VCMLA (vector) to decodetree
53
docs/interop/index.rst | 9 ++-------
54
target/arm: Convert VCADD (vector) to decodetree
54
docs/meson.build | 3 ++-
55
target/arm: Convert V[US]DOT (vector) to decodetree
55
docs/specs/index.rst | 7 ++-----
56
target/arm: Convert VFM[AS]L (vector) to decodetree
56
docs/system/arm/cubieboard.rst | 16 ++++++++++++++++
57
target/arm: Convert VCMLA (scalar) to decodetree
57
docs/system/arm/emcraft-sf2.rst | 15 +++++++++++++++
58
target/arm: Convert V[US]DOT (scalar) to decodetree
58
docs/system/arm/highbank.rst | 19 +++++++++++++++++++
59
target/arm: Convert VFM[AS]L (scalar) to decodetree
59
docs/system/index.rst | 11 +----------
60
target/arm: Convert Neon load/store multiple structures to decodetree
60
docs/system/target-arm.rst | 3 +++
61
target/arm: Convert Neon 'load single structure to all lanes' to decodetree
61
docs/tools/index.rst | 7 ++-----
62
target/arm: Convert Neon 'load/store single structure' to decodetree
62
docs/user/index.rst | 7 +------
63
target/arm: Convert Neon 3-reg-same VADD/VSUB to decodetree
63
target/arm/neon-ls.decode | 4 ++--
64
target/arm: Convert Neon 3-reg-same logic ops to decodetree
64
target/arm/neon-shared.decode | 2 +-
65
target/arm: Convert Neon 3-reg-same VMAX/VMIN to decodetree
65
target/arm/sve.decode | 2 +-
66
target/arm: Convert Neon 3-reg-same comparisons to decodetree
66
target/arm/helper.c | 11 +++++++----
67
target/arm: Convert Neon 3-reg-same VQADD/VQSUB to decodetree
67
target/arm/translate-neon.c | 5 -----
68
target/arm: Convert Neon 3-reg-same VMUL, VMLA, VMLS, VSHL to decodetree
68
target/arm/translate-sve.c | 5 -----
69
target/arm: Move gen_ function typedefs to translate.h
69
MAINTAINERS | 4 ++++
70
26 files changed, 122 insertions(+), 59 deletions(-)
71
create mode 100644 docs/_templates/footer.html
72
rename docs/{system => about}/build-platforms.rst (100%)
73
rename docs/{system => about}/deprecated.rst (100%)
74
create mode 100644 docs/about/index.rst
75
rename docs/{system => about}/license.rst (100%)
76
rename docs/{system => about}/removed-features.rst (100%)
77
create mode 100644 docs/system/arm/cubieboard.rst
78
create mode 100644 docs/system/arm/emcraft-sf2.rst
79
create mode 100644 docs/system/arm/highbank.rst
70
80
71
Philippe Mathieu-Daudé (2):
72
hw/arm/mps2-tz: Use TYPE_IOTKIT instead of hardcoded string
73
target/arm: Use uint64_t for midr field in CPU state struct
74
75
include/hw/arm/xlnx-versal.h | 31 +-
76
target/arm/cpu-param.h | 2 +-
77
target/arm/cpu.h | 38 ++-
78
target/arm/translate-a64.h | 9 -
79
target/arm/translate.h | 26 ++
80
target/arm/neon-dp.decode | 86 +++++
81
target/arm/neon-ls.decode | 52 +++
82
target/arm/neon-shared.decode | 66 ++++
83
hw/arm/mps2-tz.c | 2 +-
84
hw/arm/xlnx-versal-virt.c | 74 ++++-
85
hw/arm/xlnx-versal.c | 115 +++++--
86
target/arm/cpu.c | 3 +-
87
target/arm/cpu64.c | 8 +-
88
target/arm/helper.c | 183 ++++------
89
target/arm/translate-a64.c | 17 -
90
target/arm/translate-neon.inc.c | 714 +++++++++++++++++++++++++++++++++++++++
91
target/arm/translate-vfp.inc.c | 6 -
92
target/arm/translate.c | 716 +++-------------------------------------
93
target/arm/Makefile.objs | 18 +
94
19 files changed, 1302 insertions(+), 864 deletions(-)
95
create mode 100644 target/arm/neon-dp.decode
96
create mode 100644 target/arm/neon-ls.decode
97
create mode 100644 target/arm/neon-shared.decode
98
create mode 100644 target/arm/translate-neon.inc.c
99
diff view generated by jsdifflib
Deleted patch
1
From: Fredrik Strupe <fredrik@strupe.net>
2
1
3
According to Arm ARM, VQDMULL is only valid when U=0, while having
4
U=1 is unallocated.
5
6
Signed-off-by: Fredrik Strupe <fredrik@strupe.net>
7
Fixes: 695272dcb976 ("target-arm: Handle UNDEF cases for Neon 3-regs-different-widths")
8
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
9
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
10
---
11
target/arm/translate.c | 2 +-
12
1 file changed, 1 insertion(+), 1 deletion(-)
13
14
diff --git a/target/arm/translate.c b/target/arm/translate.c
15
index XXXXXXX..XXXXXXX 100644
16
--- a/target/arm/translate.c
17
+++ b/target/arm/translate.c
18
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
19
{0, 0, 0, 0}, /* VMLSL */
20
{0, 0, 0, 9}, /* VQDMLSL */
21
{0, 0, 0, 0}, /* Integer VMULL */
22
- {0, 0, 0, 1}, /* VQDMULL */
23
+ {0, 0, 0, 9}, /* VQDMULL */
24
{0, 0, 0, 0xa}, /* Polynomial VMULL */
25
{0, 0, 0, 7}, /* Reserved: always UNDEF */
26
};
27
--
28
2.20.1
29
30
diff view generated by jsdifflib
Deleted patch
1
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
2
1
3
By using the TYPE_* definitions for devices, we can:
4
- quickly find where devices are used with 'git-grep'
5
- easily rename a device (one-line change).
6
7
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
8
Message-id: 20200428154650.21991-1-f4bug@amsat.org
9
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
---
12
hw/arm/mps2-tz.c | 2 +-
13
1 file changed, 1 insertion(+), 1 deletion(-)
14
15
diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c
16
index XXXXXXX..XXXXXXX 100644
17
--- a/hw/arm/mps2-tz.c
18
+++ b/hw/arm/mps2-tz.c
19
@@ -XXX,XX +XXX,XX @@ static void mps2tz_common_init(MachineState *machine)
20
exit(EXIT_FAILURE);
21
}
22
23
- sysbus_init_child_obj(OBJECT(machine), "iotkit", &mms->iotkit,
24
+ sysbus_init_child_obj(OBJECT(machine), TYPE_IOTKIT, &mms->iotkit,
25
sizeof(mms->iotkit), mmc->armsse_type);
26
iotkitdev = DEVICE(&mms->iotkit);
27
object_property_set_link(OBJECT(&mms->iotkit), OBJECT(system_memory),
28
--
29
2.20.1
30
31
diff view generated by jsdifflib
Deleted patch
1
We define ARMMMUIdx_Stage2 as being an MMU index which uses a QEMU
2
TLB. However we never actually use the TLB -- all stage 2 lookups
3
are done by direct calls to get_phys_addr_lpae() followed by a
4
physical address load via address_space_ld*().
5
1
6
Remove Stage2 from the list of ARM MMU indexes which correspond to
7
real core MMU indexes, and instead put it in the set of "NOTLB" ARM
8
MMU indexes.
9
10
This allows us to drop NB_MMU_MODES to 11. It also means we can
11
safely add support for the ARMv8.3-TTS2UXN extension, which adds
12
permission bits to the stage 2 descriptors which define execute
13
permission separatel for EL0 and EL1; supporting that while keeping
14
Stage2 in a QEMU TLB would require us to use separate TLBs for
15
"Stage2 for an EL0 access" and "Stage2 for an EL1 access", which is a
16
lot of extra complication given we aren't even using the QEMU TLB.
17
18
In the process of updating the comment on our MMU index use,
19
fix a couple of other minor errors:
20
* NS EL2 EL2&0 was missing from the list in the comment
21
* some text hadn't been updated from when we bumped NB_MMU_MODES
22
above 8
23
24
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
25
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
26
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
27
Message-id: 20200330210400.11724-2-peter.maydell@linaro.org
28
---
29
target/arm/cpu-param.h | 2 +-
30
target/arm/cpu.h | 21 +++++---
31
target/arm/helper.c | 112 ++++-------------------------------------
32
3 files changed, 27 insertions(+), 108 deletions(-)
33
34
diff --git a/target/arm/cpu-param.h b/target/arm/cpu-param.h
35
index XXXXXXX..XXXXXXX 100644
36
--- a/target/arm/cpu-param.h
37
+++ b/target/arm/cpu-param.h
38
@@ -XXX,XX +XXX,XX @@
39
# define TARGET_PAGE_BITS_MIN 10
40
#endif
41
42
-#define NB_MMU_MODES 12
43
+#define NB_MMU_MODES 11
44
45
#endif
46
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
47
index XXXXXXX..XXXXXXX 100644
48
--- a/target/arm/cpu.h
49
+++ b/target/arm/cpu.h
50
@@ -XXX,XX +XXX,XX @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync);
51
* handling via the TLB. The only way to do a stage 1 translation without
52
* the immediate stage 2 translation is via the ATS or AT system insns,
53
* which can be slow-pathed and always do a page table walk.
54
+ * The only use of stage 2 translations is either as part of an s1+2
55
+ * lookup or when loading the descriptors during a stage 1 page table walk,
56
+ * and in both those cases we don't use the TLB.
57
* 4. we can also safely fold together the "32 bit EL3" and "64 bit EL3"
58
* translation regimes, because they map reasonably well to each other
59
* and they can't both be active at the same time.
60
@@ -XXX,XX +XXX,XX @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync);
61
* NS EL1 EL1&0 stage 1+2 (aka NS PL1)
62
* NS EL1 EL1&0 stage 1+2 +PAN
63
* NS EL0 EL2&0
64
+ * NS EL2 EL2&0
65
* NS EL2 EL2&0 +PAN
66
* NS EL2 (aka NS PL2)
67
* S EL0 EL1&0 (aka S PL0)
68
* S EL1 EL1&0 (not used if EL3 is 32 bit)
69
* S EL1 EL1&0 +PAN
70
* S EL3 (aka S PL1)
71
- * NS EL1&0 stage 2
72
*
73
- * for a total of 12 different mmu_idx.
74
+ * for a total of 11 different mmu_idx.
75
*
76
* R profile CPUs have an MPU, but can use the same set of MMU indexes
77
* as A profile. They only need to distinguish NS EL0 and NS EL1 (and
78
@@ -XXX,XX +XXX,XX @@ bool write_cpustate_to_list(ARMCPU *cpu, bool kvm_sync);
79
* are not quite the same -- different CPU types (most notably M profile
80
* vs A/R profile) would like to use MMU indexes with different semantics,
81
* but since we don't ever need to use all of those in a single CPU we
82
- * can avoid setting NB_MMU_MODES to more than 8. The lower bits of
83
+ * can avoid having to set NB_MMU_MODES to "total number of A profile MMU
84
+ * modes + total number of M profile MMU modes". The lower bits of
85
* ARMMMUIdx are the core TLB mmu index, and the higher bits are always
86
* the same for any particular CPU.
87
* Variables of type ARMMUIdx are always full values, and the core
88
@@ -XXX,XX +XXX,XX @@ typedef enum ARMMMUIdx {
89
ARMMMUIdx_SE10_1_PAN = 9 | ARM_MMU_IDX_A,
90
ARMMMUIdx_SE3 = 10 | ARM_MMU_IDX_A,
91
92
- ARMMMUIdx_Stage2 = 11 | ARM_MMU_IDX_A,
93
-
94
/*
95
* These are not allocated TLBs and are used only for AT system
96
* instructions or for the first stage of an S12 page table walk.
97
@@ -XXX,XX +XXX,XX @@ typedef enum ARMMMUIdx {
98
ARMMMUIdx_Stage1_E0 = 0 | ARM_MMU_IDX_NOTLB,
99
ARMMMUIdx_Stage1_E1 = 1 | ARM_MMU_IDX_NOTLB,
100
ARMMMUIdx_Stage1_E1_PAN = 2 | ARM_MMU_IDX_NOTLB,
101
+ /*
102
+ * Not allocated a TLB: used only for second stage of an S12 page
103
+ * table walk, or for descriptor loads during first stage of an S1
104
+ * page table walk. Note that if we ever want to have a TLB for this
105
+ * then various TLB flush insns which currently are no-ops or flush
106
+ * only stage 1 MMU indexes will need to change to flush stage 2.
107
+ */
108
+ ARMMMUIdx_Stage2 = 3 | ARM_MMU_IDX_NOTLB,
109
110
/*
111
* M-profile.
112
@@ -XXX,XX +XXX,XX @@ typedef enum ARMMMUIdxBit {
113
TO_CORE_BIT(SE10_1),
114
TO_CORE_BIT(SE10_1_PAN),
115
TO_CORE_BIT(SE3),
116
- TO_CORE_BIT(Stage2),
117
118
TO_CORE_BIT(MUser),
119
TO_CORE_BIT(MPriv),
120
diff --git a/target/arm/helper.c b/target/arm/helper.c
121
index XXXXXXX..XXXXXXX 100644
122
--- a/target/arm/helper.c
123
+++ b/target/arm/helper.c
124
@@ -XXX,XX +XXX,XX @@ static void tlbiall_nsnh_write(CPUARMState *env, const ARMCPRegInfo *ri,
125
tlb_flush_by_mmuidx(cs,
126
ARMMMUIdxBit_E10_1 |
127
ARMMMUIdxBit_E10_1_PAN |
128
- ARMMMUIdxBit_E10_0 |
129
- ARMMMUIdxBit_Stage2);
130
+ ARMMMUIdxBit_E10_0);
131
}
132
133
static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
134
@@ -XXX,XX +XXX,XX @@ static void tlbiall_nsnh_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
135
tlb_flush_by_mmuidx_all_cpus_synced(cs,
136
ARMMMUIdxBit_E10_1 |
137
ARMMMUIdxBit_E10_1_PAN |
138
- ARMMMUIdxBit_E10_0 |
139
- ARMMMUIdxBit_Stage2);
140
+ ARMMMUIdxBit_E10_0);
141
}
142
143
-static void tlbiipas2_write(CPUARMState *env, const ARMCPRegInfo *ri,
144
- uint64_t value)
145
-{
146
- /* Invalidate by IPA. This has to invalidate any structures that
147
- * contain only stage 2 translation information, but does not need
148
- * to apply to structures that contain combined stage 1 and stage 2
149
- * translation information.
150
- * This must NOP if EL2 isn't implemented or SCR_EL3.NS is zero.
151
- */
152
- CPUState *cs = env_cpu(env);
153
- uint64_t pageaddr;
154
-
155
- if (!arm_feature(env, ARM_FEATURE_EL2) || !(env->cp15.scr_el3 & SCR_NS)) {
156
- return;
157
- }
158
-
159
- pageaddr = sextract64(value << 12, 0, 40);
160
-
161
- tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_Stage2);
162
-}
163
-
164
-static void tlbiipas2_is_write(CPUARMState *env, const ARMCPRegInfo *ri,
165
- uint64_t value)
166
-{
167
- CPUState *cs = env_cpu(env);
168
- uint64_t pageaddr;
169
-
170
- if (!arm_feature(env, ARM_FEATURE_EL2) || !(env->cp15.scr_el3 & SCR_NS)) {
171
- return;
172
- }
173
-
174
- pageaddr = sextract64(value << 12, 0, 40);
175
-
176
- tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr,
177
- ARMMMUIdxBit_Stage2);
178
-}
179
180
static void tlbiall_hyp_write(CPUARMState *env, const ARMCPRegInfo *ri,
181
uint64_t value)
182
@@ -XXX,XX +XXX,XX @@ static void vttbr_write(CPUARMState *env, const ARMCPRegInfo *ri,
183
tlb_flush_by_mmuidx(cs,
184
ARMMMUIdxBit_E10_1 |
185
ARMMMUIdxBit_E10_1_PAN |
186
- ARMMMUIdxBit_E10_0 |
187
- ARMMMUIdxBit_Stage2);
188
+ ARMMMUIdxBit_E10_0);
189
raw_write(env, ri, value);
190
}
191
}
192
@@ -XXX,XX +XXX,XX @@ static int alle1_tlbmask(CPUARMState *env)
193
return ARMMMUIdxBit_SE10_1 |
194
ARMMMUIdxBit_SE10_1_PAN |
195
ARMMMUIdxBit_SE10_0;
196
- } else if (arm_feature(env, ARM_FEATURE_EL2)) {
197
- return ARMMMUIdxBit_E10_1 |
198
- ARMMMUIdxBit_E10_1_PAN |
199
- ARMMMUIdxBit_E10_0 |
200
- ARMMMUIdxBit_Stage2;
201
} else {
202
return ARMMMUIdxBit_E10_1 |
203
ARMMMUIdxBit_E10_1_PAN |
204
@@ -XXX,XX +XXX,XX @@ static void tlbi_aa64_vae3is_write(CPUARMState *env, const ARMCPRegInfo *ri,
205
ARMMMUIdxBit_SE3);
206
}
207
208
-static void tlbi_aa64_ipas2e1_write(CPUARMState *env, const ARMCPRegInfo *ri,
209
- uint64_t value)
210
-{
211
- /* Invalidate by IPA. This has to invalidate any structures that
212
- * contain only stage 2 translation information, but does not need
213
- * to apply to structures that contain combined stage 1 and stage 2
214
- * translation information.
215
- * This must NOP if EL2 isn't implemented or SCR_EL3.NS is zero.
216
- */
217
- ARMCPU *cpu = env_archcpu(env);
218
- CPUState *cs = CPU(cpu);
219
- uint64_t pageaddr;
220
-
221
- if (!arm_feature(env, ARM_FEATURE_EL2) || !(env->cp15.scr_el3 & SCR_NS)) {
222
- return;
223
- }
224
-
225
- pageaddr = sextract64(value << 12, 0, 48);
226
-
227
- tlb_flush_page_by_mmuidx(cs, pageaddr, ARMMMUIdxBit_Stage2);
228
-}
229
-
230
-static void tlbi_aa64_ipas2e1is_write(CPUARMState *env, const ARMCPRegInfo *ri,
231
- uint64_t value)
232
-{
233
- CPUState *cs = env_cpu(env);
234
- uint64_t pageaddr;
235
-
236
- if (!arm_feature(env, ARM_FEATURE_EL2) || !(env->cp15.scr_el3 & SCR_NS)) {
237
- return;
238
- }
239
-
240
- pageaddr = sextract64(value << 12, 0, 48);
241
-
242
- tlb_flush_page_by_mmuidx_all_cpus_synced(cs, pageaddr,
243
- ARMMMUIdxBit_Stage2);
244
-}
245
-
246
static CPAccessResult aa64_zva_access(CPUARMState *env, const ARMCPRegInfo *ri,
247
bool isread)
248
{
249
@@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
250
.writefn = tlbi_aa64_vae1_write },
251
{ .name = "TLBI_IPAS2E1IS", .state = ARM_CP_STATE_AA64,
252
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 1,
253
- .access = PL2_W, .type = ARM_CP_NO_RAW,
254
- .writefn = tlbi_aa64_ipas2e1is_write },
255
+ .access = PL2_W, .type = ARM_CP_NOP },
256
{ .name = "TLBI_IPAS2LE1IS", .state = ARM_CP_STATE_AA64,
257
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 5,
258
- .access = PL2_W, .type = ARM_CP_NO_RAW,
259
- .writefn = tlbi_aa64_ipas2e1is_write },
260
+ .access = PL2_W, .type = ARM_CP_NOP },
261
{ .name = "TLBI_ALLE1IS", .state = ARM_CP_STATE_AA64,
262
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 3, .opc2 = 4,
263
.access = PL2_W, .type = ARM_CP_NO_RAW,
264
@@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
265
.writefn = tlbi_aa64_alle1is_write },
266
{ .name = "TLBI_IPAS2E1", .state = ARM_CP_STATE_AA64,
267
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 1,
268
- .access = PL2_W, .type = ARM_CP_NO_RAW,
269
- .writefn = tlbi_aa64_ipas2e1_write },
270
+ .access = PL2_W, .type = ARM_CP_NOP },
271
{ .name = "TLBI_IPAS2LE1", .state = ARM_CP_STATE_AA64,
272
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 5,
273
- .access = PL2_W, .type = ARM_CP_NO_RAW,
274
- .writefn = tlbi_aa64_ipas2e1_write },
275
+ .access = PL2_W, .type = ARM_CP_NOP },
276
{ .name = "TLBI_ALLE1", .state = ARM_CP_STATE_AA64,
277
.opc0 = 1, .opc1 = 4, .crn = 8, .crm = 7, .opc2 = 4,
278
.access = PL2_W, .type = ARM_CP_NO_RAW,
279
@@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
280
.writefn = tlbimva_hyp_is_write },
281
{ .name = "TLBIIPAS2",
282
.cp = 15, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 1,
283
- .type = ARM_CP_NO_RAW, .access = PL2_W,
284
- .writefn = tlbiipas2_write },
285
+ .type = ARM_CP_NOP, .access = PL2_W },
286
{ .name = "TLBIIPAS2IS",
287
.cp = 15, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 1,
288
- .type = ARM_CP_NO_RAW, .access = PL2_W,
289
- .writefn = tlbiipas2_is_write },
290
+ .type = ARM_CP_NOP, .access = PL2_W },
291
{ .name = "TLBIIPAS2L",
292
.cp = 15, .opc1 = 4, .crn = 8, .crm = 4, .opc2 = 5,
293
- .type = ARM_CP_NO_RAW, .access = PL2_W,
294
- .writefn = tlbiipas2_write },
295
+ .type = ARM_CP_NOP, .access = PL2_W },
296
{ .name = "TLBIIPAS2LIS",
297
.cp = 15, .opc1 = 4, .crn = 8, .crm = 0, .opc2 = 5,
298
- .type = ARM_CP_NO_RAW, .access = PL2_W,
299
- .writefn = tlbiipas2_is_write },
300
+ .type = ARM_CP_NOP, .access = PL2_W },
301
/* 32 bit cache operations */
302
{ .name = "ICIALLUIS", .cp = 15, .opc1 = 0, .crn = 7, .crm = 1, .opc2 = 0,
303
.type = ARM_CP_NOP, .access = PL1_W, .accessfn = aa64_cacheop_pou_access },
304
--
305
2.20.1
306
307
diff view generated by jsdifflib
Deleted patch
1
The access_type argument to get_phys_addr_lpae() is an MMUAccessType;
2
use the enum constant MMU_DATA_LOAD rather than a literal 0 when we
3
call it in S1_ptw_translate().
4
1
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
8
Message-id: 20200330210400.11724-3-peter.maydell@linaro.org
9
---
10
target/arm/helper.c | 5 +++--
11
1 file changed, 3 insertions(+), 2 deletions(-)
12
13
diff --git a/target/arm/helper.c b/target/arm/helper.c
14
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/helper.c
16
+++ b/target/arm/helper.c
17
@@ -XXX,XX +XXX,XX @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
18
pcacheattrs = &cacheattrs;
19
}
20
21
- ret = get_phys_addr_lpae(env, addr, 0, ARMMMUIdx_Stage2, &s2pa,
22
- &txattrs, &s2prot, &s2size, fi, pcacheattrs);
23
+ ret = get_phys_addr_lpae(env, addr, MMU_DATA_LOAD, ARMMMUIdx_Stage2,
24
+ &s2pa, &txattrs, &s2prot, &s2size, fi,
25
+ pcacheattrs);
26
if (ret) {
27
assert(fi->type != ARMFault_None);
28
fi->s2addr = addr;
29
--
30
2.20.1
31
32
diff view generated by jsdifflib
1
For ARMv8.2-TTS2UXN, the stage 2 page table walk wants to know
1
From: Richard Henderson <richard.henderson@linaro.org>
2
whether the stage 1 access is for EL0 or not, because whether
3
exec permission is given can depend on whether this is an EL0
4
or EL1 access. Add a new argument to get_phys_addr_lpae() so
5
the call sites can pass this information in.
6
2
7
Since get_phys_addr_lpae() doesn't already have a doc comment,
3
The functions vmsa_ttbcr_write and vmsa_ttbcr_raw_write expect
8
add one so we have a place to put the documentation of the
4
the offset to be for the complete TCR structure, not the offset
9
semantics of the new s1_is_el0 argument.
5
to the low 32-bits of a uint64_t. Using offsetoflow32 in this
6
case breaks big-endian hosts.
10
7
8
For TTBCR2, we do want the high 32-bits of a uint64_t.
9
Use cp15.tcr_el[*].raw_tcr as the offsetofhigh32 argument to
10
clarify this.
11
12
Buglink: https://gitlab.com/qemu-project/qemu/-/issues/187
13
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
14
Message-id: 20210709230621.938821-2-richard.henderson@linaro.org
15
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
16
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
13
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
14
Message-id: 20200330210400.11724-4-peter.maydell@linaro.org
15
---
17
---
16
target/arm/helper.c | 29 ++++++++++++++++++++++++++++-
18
target/arm/helper.c | 11 +++++++----
17
1 file changed, 28 insertions(+), 1 deletion(-)
19
1 file changed, 7 insertions(+), 4 deletions(-)
18
20
19
diff --git a/target/arm/helper.c b/target/arm/helper.c
21
diff --git a/target/arm/helper.c b/target/arm/helper.c
20
index XXXXXXX..XXXXXXX 100644
22
index XXXXXXX..XXXXXXX 100644
21
--- a/target/arm/helper.c
23
--- a/target/arm/helper.c
22
+++ b/target/arm/helper.c
24
+++ b/target/arm/helper.c
23
@@ -XXX,XX +XXX,XX @@
25
@@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo vmsa_cp_reginfo[] = {
24
26
.access = PL1_RW, .accessfn = access_tvm_trvm,
25
static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
27
.type = ARM_CP_ALIAS, .writefn = vmsa_ttbcr_write,
26
MMUAccessType access_type, ARMMMUIdx mmu_idx,
28
.raw_writefn = vmsa_ttbcr_raw_write,
27
+ bool s1_is_el0,
29
- .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.tcr_el[3]),
28
hwaddr *phys_ptr, MemTxAttrs *txattrs, int *prot,
30
- offsetoflow32(CPUARMState, cp15.tcr_el[1])} },
29
target_ulong *page_size_ptr,
31
+ /* No offsetoflow32 -- pass the entire TCR to writefn/raw_writefn. */
30
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs);
32
+ .bank_fieldoffsets = { offsetof(CPUARMState, cp15.tcr_el[3]),
31
@@ -XXX,XX +XXX,XX @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
33
+ offsetof(CPUARMState, cp15.tcr_el[1])} },
32
}
34
REGINFO_SENTINEL
33
35
};
34
ret = get_phys_addr_lpae(env, addr, MMU_DATA_LOAD, ARMMMUIdx_Stage2,
36
35
+ false,
37
@@ -XXX,XX +XXX,XX @@ static const ARMCPRegInfo ttbcr2_reginfo = {
36
&s2pa, &txattrs, &s2prot, &s2size, fi,
38
.name = "TTBCR2", .cp = 15, .opc1 = 0, .crn = 2, .crm = 0, .opc2 = 3,
37
pcacheattrs);
39
.access = PL1_RW, .accessfn = access_tvm_trvm,
38
if (ret) {
40
.type = ARM_CP_ALIAS,
39
@@ -XXX,XX +XXX,XX @@ static ARMVAParameters aa32_va_parameters(CPUARMState *env, uint32_t va,
41
- .bank_fieldoffsets = { offsetofhigh32(CPUARMState, cp15.tcr_el[3]),
40
};
42
- offsetofhigh32(CPUARMState, cp15.tcr_el[1]) },
41
}
43
+ .bank_fieldoffsets = {
42
44
+ offsetofhigh32(CPUARMState, cp15.tcr_el[3].raw_tcr),
43
+/**
45
+ offsetofhigh32(CPUARMState, cp15.tcr_el[1].raw_tcr),
44
+ * get_phys_addr_lpae: perform one stage of page table walk, LPAE format
46
+ },
45
+ *
47
};
46
+ * Returns false if the translation was successful. Otherwise, phys_ptr, attrs,
48
47
+ * prot and page_size may not be filled in, and the populated fsr value provides
49
static void omap_ticonfig_write(CPUARMState *env, const ARMCPRegInfo *ri,
48
+ * information on why the translation aborted, in the format of a long-format
49
+ * DFSR/IFSR fault register, with the following caveats:
50
+ * * the WnR bit is never set (the caller must do this).
51
+ *
52
+ * @env: CPUARMState
53
+ * @address: virtual address to get physical address for
54
+ * @access_type: MMU_DATA_LOAD, MMU_DATA_STORE or MMU_INST_FETCH
55
+ * @mmu_idx: MMU index indicating required translation regime
56
+ * @s1_is_el0: if @mmu_idx is ARMMMUIdx_Stage2 (so this is a stage 2 page table
57
+ * walk), must be true if this is stage 2 of a stage 1+2 walk for an
58
+ * EL0 access). If @mmu_idx is anything else, @s1_is_el0 is ignored.
59
+ * @phys_ptr: set to the physical address corresponding to the virtual address
60
+ * @attrs: set to the memory transaction attributes to use
61
+ * @prot: set to the permissions for the page containing phys_ptr
62
+ * @page_size_ptr: set to the size of the page containing phys_ptr
63
+ * @fi: set to fault info if the translation fails
64
+ * @cacheattrs: (if non-NULL) set to the cacheability/shareability attributes
65
+ */
66
static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
67
MMUAccessType access_type, ARMMMUIdx mmu_idx,
68
+ bool s1_is_el0,
69
hwaddr *phys_ptr, MemTxAttrs *txattrs, int *prot,
70
target_ulong *page_size_ptr,
71
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs)
72
@@ -XXX,XX +XXX,XX @@ bool get_phys_addr(CPUARMState *env, target_ulong address,
73
74
/* S1 is done. Now do S2 translation. */
75
ret = get_phys_addr_lpae(env, ipa, access_type, ARMMMUIdx_Stage2,
76
+ mmu_idx == ARMMMUIdx_E10_0,
77
phys_ptr, attrs, &s2_prot,
78
page_size, fi,
79
cacheattrs != NULL ? &cacheattrs2 : NULL);
80
@@ -XXX,XX +XXX,XX @@ bool get_phys_addr(CPUARMState *env, target_ulong address,
81
}
82
83
if (regime_using_lpae_format(env, mmu_idx)) {
84
- return get_phys_addr_lpae(env, address, access_type, mmu_idx,
85
+ return get_phys_addr_lpae(env, address, access_type, mmu_idx, false,
86
phys_ptr, attrs, prot, page_size,
87
fi, cacheattrs);
88
} else if (regime_sctlr(env, mmu_idx) & SCTLR_XP) {
89
--
50
--
90
2.20.1
51
2.20.1
91
52
92
53
diff view generated by jsdifflib
Deleted patch
1
The ARMv8.2-TTS2UXN feature extends the XN field in stage 2
2
translation table descriptors from just bit [54] to bits [54:53],
3
allowing stage 2 to control execution permissions separately for EL0
4
and EL1. Implement the new semantics of the XN field and enable
5
the feature for our 'max' CPU.
6
1
7
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
9
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
10
Message-id: 20200330210400.11724-5-peter.maydell@linaro.org
11
---
12
target/arm/cpu.h | 15 +++++++++++++++
13
target/arm/cpu.c | 1 +
14
target/arm/cpu64.c | 2 ++
15
target/arm/helper.c | 37 +++++++++++++++++++++++++++++++------
16
4 files changed, 49 insertions(+), 6 deletions(-)
17
18
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
19
index XXXXXXX..XXXXXXX 100644
20
--- a/target/arm/cpu.h
21
+++ b/target/arm/cpu.h
22
@@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_aa32_ccidx(const ARMISARegisters *id)
23
return FIELD_EX32(id->id_mmfr4, ID_MMFR4, CCIDX) != 0;
24
}
25
26
+static inline bool isar_feature_aa32_tts2uxn(const ARMISARegisters *id)
27
+{
28
+ return FIELD_EX32(id->id_mmfr4, ID_MMFR4, XNX) != 0;
29
+}
30
+
31
/*
32
* 64-bit feature tests via id registers.
33
*/
34
@@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_aa64_ccidx(const ARMISARegisters *id)
35
return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, CCIDX) != 0;
36
}
37
38
+static inline bool isar_feature_aa64_tts2uxn(const ARMISARegisters *id)
39
+{
40
+ return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, XNX) != 0;
41
+}
42
+
43
/*
44
* Feature tests for "does this exist in either 32-bit or 64-bit?"
45
*/
46
@@ -XXX,XX +XXX,XX @@ static inline bool isar_feature_any_ccidx(const ARMISARegisters *id)
47
return isar_feature_aa64_ccidx(id) || isar_feature_aa32_ccidx(id);
48
}
49
50
+static inline bool isar_feature_any_tts2uxn(const ARMISARegisters *id)
51
+{
52
+ return isar_feature_aa64_tts2uxn(id) || isar_feature_aa32_tts2uxn(id);
53
+}
54
+
55
/*
56
* Forward to the above feature tests given an ARMCPU pointer.
57
*/
58
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
59
index XXXXXXX..XXXXXXX 100644
60
--- a/target/arm/cpu.c
61
+++ b/target/arm/cpu.c
62
@@ -XXX,XX +XXX,XX @@ static void arm_max_initfn(Object *obj)
63
t = FIELD_DP32(t, ID_MMFR4, HPDS, 1); /* AA32HPD */
64
t = FIELD_DP32(t, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */
65
t = FIELD_DP32(t, ID_MMFR4, CNP, 1); /* TTCNP */
66
+ t = FIELD_DP32(t, ID_MMFR4, XNX, 1); /* TTS2UXN */
67
cpu->isar.id_mmfr4 = t;
68
}
69
#endif
70
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
71
index XXXXXXX..XXXXXXX 100644
72
--- a/target/arm/cpu64.c
73
+++ b/target/arm/cpu64.c
74
@@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj)
75
t = FIELD_DP64(t, ID_AA64MMFR1, VH, 1);
76
t = FIELD_DP64(t, ID_AA64MMFR1, PAN, 2); /* ATS1E1 */
77
t = FIELD_DP64(t, ID_AA64MMFR1, VMIDBITS, 2); /* VMID16 */
78
+ t = FIELD_DP64(t, ID_AA64MMFR1, XNX, 1); /* TTS2UXN */
79
cpu->isar.id_aa64mmfr1 = t;
80
81
t = cpu->isar.id_aa64mmfr2;
82
@@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj)
83
u = FIELD_DP32(u, ID_MMFR4, HPDS, 1); /* AA32HPD */
84
u = FIELD_DP32(u, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */
85
u = FIELD_DP32(u, ID_MMFR4, CNP, 1); /* TTCNP */
86
+ u = FIELD_DP32(u, ID_MMFR4, XNX, 1); /* TTS2UXN */
87
cpu->isar.id_mmfr4 = u;
88
89
u = cpu->isar.id_aa64dfr0;
90
diff --git a/target/arm/helper.c b/target/arm/helper.c
91
index XXXXXXX..XXXXXXX 100644
92
--- a/target/arm/helper.c
93
+++ b/target/arm/helper.c
94
@@ -XXX,XX +XXX,XX @@ simple_ap_to_rw_prot(CPUARMState *env, ARMMMUIdx mmu_idx, int ap)
95
*
96
* @env: CPUARMState
97
* @s2ap: The 2-bit stage2 access permissions (S2AP)
98
- * @xn: XN (execute-never) bit
99
+ * @xn: XN (execute-never) bits
100
+ * @s1_is_el0: true if this is S2 of an S1+2 walk for EL0
101
*/
102
-static int get_S2prot(CPUARMState *env, int s2ap, int xn)
103
+static int get_S2prot(CPUARMState *env, int s2ap, int xn, bool s1_is_el0)
104
{
105
int prot = 0;
106
107
@@ -XXX,XX +XXX,XX @@ static int get_S2prot(CPUARMState *env, int s2ap, int xn)
108
if (s2ap & 2) {
109
prot |= PAGE_WRITE;
110
}
111
- if (!xn) {
112
- if (arm_el_is_aa64(env, 2) || prot & PAGE_READ) {
113
+
114
+ if (cpu_isar_feature(any_tts2uxn, env_archcpu(env))) {
115
+ switch (xn) {
116
+ case 0:
117
prot |= PAGE_EXEC;
118
+ break;
119
+ case 1:
120
+ if (s1_is_el0) {
121
+ prot |= PAGE_EXEC;
122
+ }
123
+ break;
124
+ case 2:
125
+ break;
126
+ case 3:
127
+ if (!s1_is_el0) {
128
+ prot |= PAGE_EXEC;
129
+ }
130
+ break;
131
+ default:
132
+ g_assert_not_reached();
133
+ }
134
+ } else {
135
+ if (!extract32(xn, 1, 1)) {
136
+ if (arm_el_is_aa64(env, 2) || prot & PAGE_READ) {
137
+ prot |= PAGE_EXEC;
138
+ }
139
}
140
}
141
return prot;
142
@@ -XXX,XX +XXX,XX @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
143
}
144
145
ap = extract32(attrs, 4, 2);
146
- xn = extract32(attrs, 12, 1);
147
148
if (mmu_idx == ARMMMUIdx_Stage2) {
149
ns = true;
150
- *prot = get_S2prot(env, ap, xn);
151
+ xn = extract32(attrs, 11, 2);
152
+ *prot = get_S2prot(env, ap, xn, s1_is_el0);
153
} else {
154
ns = extract32(attrs, 3, 1);
155
+ xn = extract32(attrs, 12, 1);
156
pxn = extract32(attrs, 11, 1);
157
*prot = get_S1prot(env, mmu_idx, aarch64, ap, ns, xn, pxn);
158
}
159
--
160
2.20.1
161
162
diff view generated by jsdifflib
Deleted patch
1
In aarch64_max_initfn() we update both 32-bit and 64-bit ID
2
registers. The intended pattern is that for 64-bit ID registers we
3
use FIELD_DP64 and the uint64_t 't' register, while 32-bit ID
4
registers use FIELD_DP32 and the uint32_t 'u' register. For
5
ID_AA64DFR0 we accidentally used 'u', meaning that the top 32 bits of
6
this 64-bit ID register would end up always zero. Luckily at the
7
moment that's what they should be anyway, so this bug has no visible
8
effects.
9
1
10
Use the right-sized variable.
11
12
Fixes: 3bec78447a958d481991
13
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
14
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
15
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
16
Message-id: 20200423110915.10527-1-peter.maydell@linaro.org
17
---
18
target/arm/cpu64.c | 6 +++---
19
1 file changed, 3 insertions(+), 3 deletions(-)
20
21
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
22
index XXXXXXX..XXXXXXX 100644
23
--- a/target/arm/cpu64.c
24
+++ b/target/arm/cpu64.c
25
@@ -XXX,XX +XXX,XX @@ static void aarch64_max_initfn(Object *obj)
26
u = FIELD_DP32(u, ID_MMFR4, XNX, 1); /* TTS2UXN */
27
cpu->isar.id_mmfr4 = u;
28
29
- u = cpu->isar.id_aa64dfr0;
30
- u = FIELD_DP64(u, ID_AA64DFR0, PMUVER, 5); /* v8.4-PMU */
31
- cpu->isar.id_aa64dfr0 = u;
32
+ t = cpu->isar.id_aa64dfr0;
33
+ t = FIELD_DP64(t, ID_AA64DFR0, PMUVER, 5); /* v8.4-PMU */
34
+ cpu->isar.id_aa64dfr0 = t;
35
36
u = cpu->isar.id_dfr0;
37
u = FIELD_DP32(u, ID_DFR0, PERFMON, 5); /* v8.4-PMU */
38
--
39
2.20.1
40
41
diff view generated by jsdifflib
Deleted patch
1
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
2
1
3
MIDR_EL1 is a 64-bit system register with the top 32-bit being RES0.
4
Represent it in QEMU's ARMCPU struct with a uint64_t, not a
5
uint32_t.
6
7
This fixes an error when compiling with -Werror=conversion
8
because we were manipulating the register value using a
9
local uint64_t variable:
10
11
target/arm/cpu64.c: In function ‘aarch64_max_initfn’:
12
target/arm/cpu64.c:628:21: error: conversion from ‘uint64_t’ {aka ‘long unsigned int’} to ‘uint32_t’ {aka ‘unsigned int’} may change value [-Werror=conversion]
13
628 | cpu->midr = t;
14
| ^
15
16
and future-proofs us against a possible future architecture
17
change using some of the top 32 bits.
18
19
Suggested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
20
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
21
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
22
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
23
Message-id: 20200428172634.29707-1-f4bug@amsat.org
24
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
25
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
26
---
27
target/arm/cpu.h | 2 +-
28
target/arm/cpu.c | 2 +-
29
2 files changed, 2 insertions(+), 2 deletions(-)
30
31
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
32
index XXXXXXX..XXXXXXX 100644
33
--- a/target/arm/cpu.h
34
+++ b/target/arm/cpu.h
35
@@ -XXX,XX +XXX,XX @@ struct ARMCPU {
36
uint64_t id_aa64dfr0;
37
uint64_t id_aa64dfr1;
38
} isar;
39
- uint32_t midr;
40
+ uint64_t midr;
41
uint32_t revidr;
42
uint32_t reset_fpsid;
43
uint32_t ctr;
44
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
45
index XXXXXXX..XXXXXXX 100644
46
--- a/target/arm/cpu.c
47
+++ b/target/arm/cpu.c
48
@@ -XXX,XX +XXX,XX @@ static const ARMCPUInfo arm_cpus[] = {
49
static Property arm_cpu_properties[] = {
50
DEFINE_PROP_BOOL("start-powered-off", ARMCPU, start_powered_off, false),
51
DEFINE_PROP_UINT32("psci-conduit", ARMCPU, psci_conduit, 0),
52
- DEFINE_PROP_UINT32("midr", ARMCPU, midr, 0),
53
+ DEFINE_PROP_UINT64("midr", ARMCPU, midr, 0),
54
DEFINE_PROP_UINT64("mp-affinity", ARMCPU,
55
mp_affinity, ARM64_AFFINITY_INVALID),
56
DEFINE_PROP_INT32("node-id", ARMCPU, node_id, CPU_UNSET_NUMA_NODE_ID),
57
--
58
2.20.1
59
60
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Remove inclusion of arm_gicv3_common.h, this already gets
4
included via xlnx-versal.h.
5
6
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
8
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
9
Message-id: 20200427181649.26851-2-edgar.iglesias@gmail.com
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
---
12
hw/arm/xlnx-versal.c | 1 -
13
1 file changed, 1 deletion(-)
14
15
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
16
index XXXXXXX..XXXXXXX 100644
17
--- a/hw/arm/xlnx-versal.c
18
+++ b/hw/arm/xlnx-versal.c
19
@@ -XXX,XX +XXX,XX @@
20
#include "hw/arm/boot.h"
21
#include "kvm_arm.h"
22
#include "hw/misc/unimp.h"
23
-#include "hw/intc/arm_gicv3_common.h"
24
#include "hw/arm/xlnx-versal.h"
25
#include "hw/char/pl011.h"
26
27
--
28
2.20.1
29
30
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Move misplaced comment.
4
5
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
6
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
8
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
9
Message-id: 20200427181649.26851-3-edgar.iglesias@gmail.com
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
---
12
hw/arm/xlnx-versal.c | 2 +-
13
1 file changed, 1 insertion(+), 1 deletion(-)
14
15
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
16
index XXXXXXX..XXXXXXX 100644
17
--- a/hw/arm/xlnx-versal.c
18
+++ b/hw/arm/xlnx-versal.c
19
@@ -XXX,XX +XXX,XX @@ static void versal_create_apu_cpus(Versal *s)
20
21
obj = object_new(XLNX_VERSAL_ACPU_TYPE);
22
if (!obj) {
23
- /* Secondary CPUs start in PSCI powered-down state */
24
error_report("Unable to create apu.cpu[%d] of type %s",
25
i, XLNX_VERSAL_ACPU_TYPE);
26
exit(EXIT_FAILURE);
27
@@ -XXX,XX +XXX,XX @@ static void versal_create_apu_cpus(Versal *s)
28
object_property_set_int(obj, s->cfg.psci_conduit,
29
"psci-conduit", &error_abort);
30
if (i) {
31
+ /* Secondary CPUs start in PSCI powered-down state */
32
object_property_set_bool(obj, true,
33
"start-powered-off", &error_abort);
34
}
35
--
36
2.20.1
37
38
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Fix typo xlnx-ve -> xlnx-versal.
4
5
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
6
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
8
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
9
Message-id: 20200427181649.26851-4-edgar.iglesias@gmail.com
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
---
12
hw/arm/xlnx-versal-virt.c | 2 +-
13
1 file changed, 1 insertion(+), 1 deletion(-)
14
15
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
16
index XXXXXXX..XXXXXXX 100644
17
--- a/hw/arm/xlnx-versal-virt.c
18
+++ b/hw/arm/xlnx-versal-virt.c
19
@@ -XXX,XX +XXX,XX @@ static void versal_virt_init(MachineState *machine)
20
psci_conduit = QEMU_PSCI_CONDUIT_SMC;
21
}
22
23
- sysbus_init_child_obj(OBJECT(machine), "xlnx-ve", &s->soc,
24
+ sysbus_init_child_obj(OBJECT(machine), "xlnx-versal", &s->soc,
25
sizeof(s->soc), TYPE_XLNX_VERSAL);
26
object_property_set_link(OBJECT(&s->soc), OBJECT(machine->ram),
27
"ddr", &error_abort);
28
--
29
2.20.1
30
31
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Embed the UARTs into the SoC type.
4
5
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
8
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
9
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
10
Message-id: 20200427181649.26851-5-edgar.iglesias@gmail.com
11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
---
13
include/hw/arm/xlnx-versal.h | 3 ++-
14
hw/arm/xlnx-versal.c | 12 ++++++------
15
2 files changed, 8 insertions(+), 7 deletions(-)
16
17
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
18
index XXXXXXX..XXXXXXX 100644
19
--- a/include/hw/arm/xlnx-versal.h
20
+++ b/include/hw/arm/xlnx-versal.h
21
@@ -XXX,XX +XXX,XX @@
22
#include "hw/sysbus.h"
23
#include "hw/arm/boot.h"
24
#include "hw/intc/arm_gicv3.h"
25
+#include "hw/char/pl011.h"
26
27
#define TYPE_XLNX_VERSAL "xlnx-versal"
28
#define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL)
29
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
30
MemoryRegion mr_ocm;
31
32
struct {
33
- SysBusDevice *uart[XLNX_VERSAL_NR_UARTS];
34
+ PL011State uart[XLNX_VERSAL_NR_UARTS];
35
SysBusDevice *gem[XLNX_VERSAL_NR_GEMS];
36
SysBusDevice *adma[XLNX_VERSAL_NR_ADMAS];
37
} iou;
38
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
39
index XXXXXXX..XXXXXXX 100644
40
--- a/hw/arm/xlnx-versal.c
41
+++ b/hw/arm/xlnx-versal.c
42
@@ -XXX,XX +XXX,XX @@
43
#include "kvm_arm.h"
44
#include "hw/misc/unimp.h"
45
#include "hw/arm/xlnx-versal.h"
46
-#include "hw/char/pl011.h"
47
48
#define XLNX_VERSAL_ACPU_TYPE ARM_CPU_TYPE_NAME("cortex-a72")
49
#define GEM_REVISION 0x40070106
50
@@ -XXX,XX +XXX,XX @@ static void versal_create_uarts(Versal *s, qemu_irq *pic)
51
DeviceState *dev;
52
MemoryRegion *mr;
53
54
- dev = qdev_create(NULL, TYPE_PL011);
55
- s->lpd.iou.uart[i] = SYS_BUS_DEVICE(dev);
56
+ sysbus_init_child_obj(OBJECT(s), name,
57
+ &s->lpd.iou.uart[i], sizeof(s->lpd.iou.uart[i]),
58
+ TYPE_PL011);
59
+ dev = DEVICE(&s->lpd.iou.uart[i]);
60
qdev_prop_set_chr(dev, "chardev", serial_hd(i));
61
- object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
62
qdev_init_nofail(dev);
63
64
- mr = sysbus_mmio_get_region(s->lpd.iou.uart[i], 0);
65
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
66
memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
67
68
- sysbus_connect_irq(s->lpd.iou.uart[i], 0, pic[irqs[i]]);
69
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
70
g_free(name);
71
}
72
}
73
--
74
2.20.1
75
76
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Embed the GEMs into the SoC type.
4
5
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
8
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
9
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
10
Message-id: 20200427181649.26851-6-edgar.iglesias@gmail.com
11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
---
13
include/hw/arm/xlnx-versal.h | 3 ++-
14
hw/arm/xlnx-versal.c | 15 ++++++++-------
15
2 files changed, 10 insertions(+), 8 deletions(-)
16
17
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
18
index XXXXXXX..XXXXXXX 100644
19
--- a/include/hw/arm/xlnx-versal.h
20
+++ b/include/hw/arm/xlnx-versal.h
21
@@ -XXX,XX +XXX,XX @@
22
#include "hw/arm/boot.h"
23
#include "hw/intc/arm_gicv3.h"
24
#include "hw/char/pl011.h"
25
+#include "hw/net/cadence_gem.h"
26
27
#define TYPE_XLNX_VERSAL "xlnx-versal"
28
#define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL)
29
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
30
31
struct {
32
PL011State uart[XLNX_VERSAL_NR_UARTS];
33
- SysBusDevice *gem[XLNX_VERSAL_NR_GEMS];
34
+ CadenceGEMState gem[XLNX_VERSAL_NR_GEMS];
35
SysBusDevice *adma[XLNX_VERSAL_NR_ADMAS];
36
} iou;
37
} lpd;
38
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
39
index XXXXXXX..XXXXXXX 100644
40
--- a/hw/arm/xlnx-versal.c
41
+++ b/hw/arm/xlnx-versal.c
42
@@ -XXX,XX +XXX,XX @@ static void versal_create_gems(Versal *s, qemu_irq *pic)
43
DeviceState *dev;
44
MemoryRegion *mr;
45
46
- dev = qdev_create(NULL, "cadence_gem");
47
- s->lpd.iou.gem[i] = SYS_BUS_DEVICE(dev);
48
- object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
49
+ sysbus_init_child_obj(OBJECT(s), name,
50
+ &s->lpd.iou.gem[i], sizeof(s->lpd.iou.gem[i]),
51
+ TYPE_CADENCE_GEM);
52
+ dev = DEVICE(&s->lpd.iou.gem[i]);
53
if (nd->used) {
54
qemu_check_nic_model(nd, "cadence_gem");
55
qdev_set_nic_properties(dev, nd);
56
}
57
- object_property_set_int(OBJECT(s->lpd.iou.gem[i]),
58
+ object_property_set_int(OBJECT(dev),
59
2, "num-priority-queues",
60
&error_abort);
61
- object_property_set_link(OBJECT(s->lpd.iou.gem[i]),
62
+ object_property_set_link(OBJECT(dev),
63
OBJECT(&s->mr_ps), "dma",
64
&error_abort);
65
qdev_init_nofail(dev);
66
67
- mr = sysbus_mmio_get_region(s->lpd.iou.gem[i], 0);
68
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
69
memory_region_add_subregion(&s->mr_ps, addrs[i], mr);
70
71
- sysbus_connect_irq(s->lpd.iou.gem[i], 0, pic[irqs[i]]);
72
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]);
73
g_free(name);
74
}
75
}
76
--
77
2.20.1
78
79
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Embed the ADMAs into the SoC type.
4
5
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
8
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
9
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
10
Message-id: 20200427181649.26851-7-edgar.iglesias@gmail.com
11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
---
13
include/hw/arm/xlnx-versal.h | 3 ++-
14
hw/arm/xlnx-versal.c | 14 +++++++-------
15
2 files changed, 9 insertions(+), 8 deletions(-)
16
17
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
18
index XXXXXXX..XXXXXXX 100644
19
--- a/include/hw/arm/xlnx-versal.h
20
+++ b/include/hw/arm/xlnx-versal.h
21
@@ -XXX,XX +XXX,XX @@
22
#include "hw/arm/boot.h"
23
#include "hw/intc/arm_gicv3.h"
24
#include "hw/char/pl011.h"
25
+#include "hw/dma/xlnx-zdma.h"
26
#include "hw/net/cadence_gem.h"
27
28
#define TYPE_XLNX_VERSAL "xlnx-versal"
29
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
30
struct {
31
PL011State uart[XLNX_VERSAL_NR_UARTS];
32
CadenceGEMState gem[XLNX_VERSAL_NR_GEMS];
33
- SysBusDevice *adma[XLNX_VERSAL_NR_ADMAS];
34
+ XlnxZDMA adma[XLNX_VERSAL_NR_ADMAS];
35
} iou;
36
} lpd;
37
38
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
39
index XXXXXXX..XXXXXXX 100644
40
--- a/hw/arm/xlnx-versal.c
41
+++ b/hw/arm/xlnx-versal.c
42
@@ -XXX,XX +XXX,XX @@ static void versal_create_admas(Versal *s, qemu_irq *pic)
43
DeviceState *dev;
44
MemoryRegion *mr;
45
46
- dev = qdev_create(NULL, "xlnx.zdma");
47
- s->lpd.iou.adma[i] = SYS_BUS_DEVICE(dev);
48
- object_property_set_int(OBJECT(s->lpd.iou.adma[i]), 128, "bus-width",
49
- &error_abort);
50
- object_property_add_child(OBJECT(s), name, OBJECT(dev), &error_fatal);
51
+ sysbus_init_child_obj(OBJECT(s), name,
52
+ &s->lpd.iou.adma[i], sizeof(s->lpd.iou.adma[i]),
53
+ TYPE_XLNX_ZDMA);
54
+ dev = DEVICE(&s->lpd.iou.adma[i]);
55
+ object_property_set_int(OBJECT(dev), 128, "bus-width", &error_abort);
56
qdev_init_nofail(dev);
57
58
- mr = sysbus_mmio_get_region(s->lpd.iou.adma[i], 0);
59
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
60
memory_region_add_subregion(&s->mr_ps,
61
MM_ADMA_CH0 + i * MM_ADMA_CH0_SIZE, mr);
62
63
- sysbus_connect_irq(s->lpd.iou.adma[i], 0, pic[VERSAL_ADMA_IRQ_0 + i]);
64
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_ADMA_IRQ_0 + i]);
65
g_free(name);
66
}
67
}
68
--
69
2.20.1
70
71
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Embed the APUs into the SoC type.
4
5
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
7
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
8
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
9
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
10
Message-id: 20200427181649.26851-8-edgar.iglesias@gmail.com
11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
---
13
include/hw/arm/xlnx-versal.h | 2 +-
14
hw/arm/xlnx-versal-virt.c | 4 ++--
15
hw/arm/xlnx-versal.c | 19 +++++--------------
16
3 files changed, 8 insertions(+), 17 deletions(-)
17
18
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
19
index XXXXXXX..XXXXXXX 100644
20
--- a/include/hw/arm/xlnx-versal.h
21
+++ b/include/hw/arm/xlnx-versal.h
22
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
23
struct {
24
struct {
25
MemoryRegion mr;
26
- ARMCPU *cpu[XLNX_VERSAL_NR_ACPUS];
27
+ ARMCPU cpu[XLNX_VERSAL_NR_ACPUS];
28
GICv3State gic;
29
} apu;
30
} fpd;
31
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
32
index XXXXXXX..XXXXXXX 100644
33
--- a/hw/arm/xlnx-versal-virt.c
34
+++ b/hw/arm/xlnx-versal-virt.c
35
@@ -XXX,XX +XXX,XX @@ static void versal_virt_init(MachineState *machine)
36
s->binfo.get_dtb = versal_virt_get_dtb;
37
s->binfo.modify_dtb = versal_virt_modify_dtb;
38
if (machine->kernel_filename) {
39
- arm_load_kernel(s->soc.fpd.apu.cpu[0], machine, &s->binfo);
40
+ arm_load_kernel(&s->soc.fpd.apu.cpu[0], machine, &s->binfo);
41
} else {
42
- AddressSpace *as = arm_boot_address_space(s->soc.fpd.apu.cpu[0],
43
+ AddressSpace *as = arm_boot_address_space(&s->soc.fpd.apu.cpu[0],
44
&s->binfo);
45
/* Some boot-loaders (e.g u-boot) don't like blobs at address 0 (NULL).
46
* Offset things by 4K. */
47
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
48
index XXXXXXX..XXXXXXX 100644
49
--- a/hw/arm/xlnx-versal.c
50
+++ b/hw/arm/xlnx-versal.c
51
@@ -XXX,XX +XXX,XX @@ static void versal_create_apu_cpus(Versal *s)
52
53
for (i = 0; i < ARRAY_SIZE(s->fpd.apu.cpu); i++) {
54
Object *obj;
55
- char *name;
56
-
57
- obj = object_new(XLNX_VERSAL_ACPU_TYPE);
58
- if (!obj) {
59
- error_report("Unable to create apu.cpu[%d] of type %s",
60
- i, XLNX_VERSAL_ACPU_TYPE);
61
- exit(EXIT_FAILURE);
62
- }
63
-
64
- name = g_strdup_printf("apu-cpu[%d]", i);
65
- object_property_add_child(OBJECT(s), name, obj, &error_fatal);
66
- g_free(name);
67
68
+ object_initialize_child(OBJECT(s), "apu-cpu[*]",
69
+ &s->fpd.apu.cpu[i], sizeof(s->fpd.apu.cpu[i]),
70
+ XLNX_VERSAL_ACPU_TYPE, &error_abort, NULL);
71
+ obj = OBJECT(&s->fpd.apu.cpu[i]);
72
object_property_set_int(obj, s->cfg.psci_conduit,
73
"psci-conduit", &error_abort);
74
if (i) {
75
@@ -XXX,XX +XXX,XX @@ static void versal_create_apu_cpus(Versal *s)
76
object_property_set_link(obj, OBJECT(&s->fpd.apu.mr), "memory",
77
&error_abort);
78
object_property_set_bool(obj, true, "realized", &error_fatal);
79
- s->fpd.apu.cpu[i] = ARM_CPU(obj);
80
}
81
}
82
83
@@ -XXX,XX +XXX,XX @@ static void versal_create_apu_gic(Versal *s, qemu_irq *pic)
84
}
85
86
for (i = 0; i < nr_apu_cpus; i++) {
87
- DeviceState *cpudev = DEVICE(s->fpd.apu.cpu[i]);
88
+ DeviceState *cpudev = DEVICE(&s->fpd.apu.cpu[i]);
89
int ppibase = XLNX_VERSAL_NR_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
90
qemu_irq maint_irq;
91
int ti;
92
--
93
2.20.1
94
95
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Add support for SD.
4
5
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
6
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
8
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
9
Message-id: 20200427181649.26851-9-edgar.iglesias@gmail.com
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
---
12
include/hw/arm/xlnx-versal.h | 12 ++++++++++++
13
hw/arm/xlnx-versal.c | 31 +++++++++++++++++++++++++++++++
14
2 files changed, 43 insertions(+)
15
16
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
17
index XXXXXXX..XXXXXXX 100644
18
--- a/include/hw/arm/xlnx-versal.h
19
+++ b/include/hw/arm/xlnx-versal.h
20
@@ -XXX,XX +XXX,XX @@
21
22
#include "hw/sysbus.h"
23
#include "hw/arm/boot.h"
24
+#include "hw/sd/sdhci.h"
25
#include "hw/intc/arm_gicv3.h"
26
#include "hw/char/pl011.h"
27
#include "hw/dma/xlnx-zdma.h"
28
@@ -XXX,XX +XXX,XX @@
29
#define XLNX_VERSAL_NR_UARTS 2
30
#define XLNX_VERSAL_NR_GEMS 2
31
#define XLNX_VERSAL_NR_ADMAS 8
32
+#define XLNX_VERSAL_NR_SDS 2
33
#define XLNX_VERSAL_NR_IRQS 192
34
35
typedef struct Versal {
36
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
37
} iou;
38
} lpd;
39
40
+ /* The Platform Management Controller subsystem. */
41
+ struct {
42
+ struct {
43
+ SDHCIState sd[XLNX_VERSAL_NR_SDS];
44
+ } iou;
45
+ } pmc;
46
+
47
struct {
48
MemoryRegion *mr_ddr;
49
uint32_t psci_conduit;
50
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
51
#define VERSAL_GEM1_IRQ_0 58
52
#define VERSAL_GEM1_WAKE_IRQ_0 59
53
#define VERSAL_ADMA_IRQ_0 60
54
+#define VERSAL_SD0_IRQ_0 126
55
56
/* Architecturally reserved IRQs suitable for virtualization. */
57
#define VERSAL_RSVD_IRQ_FIRST 111
58
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
59
#define MM_FPD_CRF 0xfd1a0000U
60
#define MM_FPD_CRF_SIZE 0x140000
61
62
+#define MM_PMC_SD0 0xf1040000U
63
+#define MM_PMC_SD0_SIZE 0x10000
64
#define MM_PMC_CRP 0xf1260000U
65
#define MM_PMC_CRP_SIZE 0x10000
66
#endif
67
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
68
index XXXXXXX..XXXXXXX 100644
69
--- a/hw/arm/xlnx-versal.c
70
+++ b/hw/arm/xlnx-versal.c
71
@@ -XXX,XX +XXX,XX @@ static void versal_create_admas(Versal *s, qemu_irq *pic)
72
}
73
}
74
75
+#define SDHCI_CAPABILITIES 0x280737ec6481 /* Same as on ZynqMP. */
76
+static void versal_create_sds(Versal *s, qemu_irq *pic)
77
+{
78
+ int i;
79
+
80
+ for (i = 0; i < ARRAY_SIZE(s->pmc.iou.sd); i++) {
81
+ DeviceState *dev;
82
+ MemoryRegion *mr;
83
+
84
+ sysbus_init_child_obj(OBJECT(s), "sd[*]",
85
+ &s->pmc.iou.sd[i], sizeof(s->pmc.iou.sd[i]),
86
+ TYPE_SYSBUS_SDHCI);
87
+ dev = DEVICE(&s->pmc.iou.sd[i]);
88
+
89
+ object_property_set_uint(OBJECT(dev),
90
+ 3, "sd-spec-version", &error_fatal);
91
+ object_property_set_uint(OBJECT(dev), SDHCI_CAPABILITIES, "capareg",
92
+ &error_fatal);
93
+ object_property_set_uint(OBJECT(dev), UHS_I, "uhs", &error_fatal);
94
+ qdev_init_nofail(dev);
95
+
96
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
97
+ memory_region_add_subregion(&s->mr_ps,
98
+ MM_PMC_SD0 + i * MM_PMC_SD0_SIZE, mr);
99
+
100
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
101
+ pic[VERSAL_SD0_IRQ_0 + i * 2]);
102
+ }
103
+}
104
+
105
/* This takes the board allocated linear DDR memory and creates aliases
106
* for each split DDR range/aperture on the Versal address map.
107
*/
108
@@ -XXX,XX +XXX,XX @@ static void versal_realize(DeviceState *dev, Error **errp)
109
versal_create_uarts(s, pic);
110
versal_create_gems(s, pic);
111
versal_create_admas(s, pic);
112
+ versal_create_sds(s, pic);
113
versal_map_ddr(s);
114
versal_unimp(s);
115
116
--
117
2.20.1
118
119
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
hw/arm: versal: Add support for the RTC.
4
5
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
6
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
7
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
8
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
9
Message-id: 20200427181649.26851-10-edgar.iglesias@gmail.com
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
---
12
include/hw/arm/xlnx-versal.h | 8 ++++++++
13
hw/arm/xlnx-versal.c | 21 +++++++++++++++++++++
14
2 files changed, 29 insertions(+)
15
16
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
17
index XXXXXXX..XXXXXXX 100644
18
--- a/include/hw/arm/xlnx-versal.h
19
+++ b/include/hw/arm/xlnx-versal.h
20
@@ -XXX,XX +XXX,XX @@
21
#include "hw/char/pl011.h"
22
#include "hw/dma/xlnx-zdma.h"
23
#include "hw/net/cadence_gem.h"
24
+#include "hw/rtc/xlnx-zynqmp-rtc.h"
25
26
#define TYPE_XLNX_VERSAL "xlnx-versal"
27
#define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL)
28
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
29
struct {
30
SDHCIState sd[XLNX_VERSAL_NR_SDS];
31
} iou;
32
+
33
+ XlnxZynqMPRTC rtc;
34
} pmc;
35
36
struct {
37
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
38
#define VERSAL_GEM1_IRQ_0 58
39
#define VERSAL_GEM1_WAKE_IRQ_0 59
40
#define VERSAL_ADMA_IRQ_0 60
41
+#define VERSAL_RTC_APB_ERR_IRQ 121
42
#define VERSAL_SD0_IRQ_0 126
43
+#define VERSAL_RTC_ALARM_IRQ 142
44
+#define VERSAL_RTC_SECONDS_IRQ 143
45
46
/* Architecturally reserved IRQs suitable for virtualization. */
47
#define VERSAL_RSVD_IRQ_FIRST 111
48
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
49
#define MM_PMC_SD0_SIZE 0x10000
50
#define MM_PMC_CRP 0xf1260000U
51
#define MM_PMC_CRP_SIZE 0x10000
52
+#define MM_PMC_RTC 0xf12a0000
53
+#define MM_PMC_RTC_SIZE 0x10000
54
#endif
55
diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
56
index XXXXXXX..XXXXXXX 100644
57
--- a/hw/arm/xlnx-versal.c
58
+++ b/hw/arm/xlnx-versal.c
59
@@ -XXX,XX +XXX,XX @@ static void versal_create_sds(Versal *s, qemu_irq *pic)
60
}
61
}
62
63
+static void versal_create_rtc(Versal *s, qemu_irq *pic)
64
+{
65
+ SysBusDevice *sbd;
66
+ MemoryRegion *mr;
67
+
68
+ sysbus_init_child_obj(OBJECT(s), "rtc", &s->pmc.rtc, sizeof(s->pmc.rtc),
69
+ TYPE_XLNX_ZYNQMP_RTC);
70
+ sbd = SYS_BUS_DEVICE(&s->pmc.rtc);
71
+ qdev_init_nofail(DEVICE(sbd));
72
+
73
+ mr = sysbus_mmio_get_region(sbd, 0);
74
+ memory_region_add_subregion(&s->mr_ps, MM_PMC_RTC, mr);
75
+
76
+ /*
77
+ * TODO: Connect the ALARM and SECONDS interrupts once our RTC model
78
+ * supports them.
79
+ */
80
+ sysbus_connect_irq(sbd, 1, pic[VERSAL_RTC_APB_ERR_IRQ]);
81
+}
82
+
83
/* This takes the board allocated linear DDR memory and creates aliases
84
* for each split DDR range/aperture on the Versal address map.
85
*/
86
@@ -XXX,XX +XXX,XX @@ static void versal_realize(DeviceState *dev, Error **errp)
87
versal_create_gems(s, pic);
88
versal_create_admas(s, pic);
89
versal_create_sds(s, pic);
90
+ versal_create_rtc(s, pic);
91
versal_map_ddr(s);
92
versal_unimp(s);
93
94
--
95
2.20.1
96
97
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Add support for SD.
4
5
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
6
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
7
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
8
Message-id: 20200427181649.26851-11-edgar.iglesias@gmail.com
9
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
10
---
11
hw/arm/xlnx-versal-virt.c | 46 +++++++++++++++++++++++++++++++++++++++
12
1 file changed, 46 insertions(+)
13
14
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
15
index XXXXXXX..XXXXXXX 100644
16
--- a/hw/arm/xlnx-versal-virt.c
17
+++ b/hw/arm/xlnx-versal-virt.c
18
@@ -XXX,XX +XXX,XX @@
19
#include "hw/arm/sysbus-fdt.h"
20
#include "hw/arm/fdt.h"
21
#include "cpu.h"
22
+#include "hw/qdev-properties.h"
23
#include "hw/arm/xlnx-versal.h"
24
25
#define TYPE_XLNX_VERSAL_VIRT_MACHINE MACHINE_TYPE_NAME("xlnx-versal-virt")
26
@@ -XXX,XX +XXX,XX @@ static void fdt_add_zdma_nodes(VersalVirt *s)
27
}
28
}
29
30
+static void fdt_add_sd_nodes(VersalVirt *s)
31
+{
32
+ const char clocknames[] = "clk_xin\0clk_ahb";
33
+ const char compat[] = "arasan,sdhci-8.9a";
34
+ int i;
35
+
36
+ for (i = ARRAY_SIZE(s->soc.pmc.iou.sd) - 1; i >= 0; i--) {
37
+ uint64_t addr = MM_PMC_SD0 + MM_PMC_SD0_SIZE * i;
38
+ char *name = g_strdup_printf("/sdhci@%" PRIx64, addr);
39
+
40
+ qemu_fdt_add_subnode(s->fdt, name);
41
+
42
+ qemu_fdt_setprop_cells(s->fdt, name, "clocks",
43
+ s->phandle.clk_25Mhz, s->phandle.clk_25Mhz);
44
+ qemu_fdt_setprop(s->fdt, name, "clock-names",
45
+ clocknames, sizeof(clocknames));
46
+ qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
47
+ GIC_FDT_IRQ_TYPE_SPI, VERSAL_SD0_IRQ_0 + i * 2,
48
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI);
49
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
50
+ 2, addr, 2, MM_PMC_SD0_SIZE);
51
+ qemu_fdt_setprop(s->fdt, name, "compatible", compat, sizeof(compat));
52
+ g_free(name);
53
+ }
54
+}
55
+
56
static void fdt_nop_memory_nodes(void *fdt, Error **errp)
57
{
58
Error *err = NULL;
59
@@ -XXX,XX +XXX,XX @@ static void create_virtio_regions(VersalVirt *s)
60
}
61
}
62
63
+static void sd_plugin_card(SDHCIState *sd, DriveInfo *di)
64
+{
65
+ BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
66
+ DeviceState *card;
67
+
68
+ card = qdev_create(qdev_get_child_bus(DEVICE(sd), "sd-bus"), TYPE_SD_CARD);
69
+ object_property_add_child(OBJECT(sd), "card[*]", OBJECT(card),
70
+ &error_fatal);
71
+ qdev_prop_set_drive(card, "drive", blk, &error_fatal);
72
+ object_property_set_bool(OBJECT(card), true, "realized", &error_fatal);
73
+}
74
+
75
static void versal_virt_init(MachineState *machine)
76
{
77
VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(machine);
78
int psci_conduit = QEMU_PSCI_CONDUIT_DISABLED;
79
+ int i;
80
81
/*
82
* If the user provides an Operating System to be loaded, we expect them
83
@@ -XXX,XX +XXX,XX @@ static void versal_virt_init(MachineState *machine)
84
fdt_add_gic_nodes(s);
85
fdt_add_timer_nodes(s);
86
fdt_add_zdma_nodes(s);
87
+ fdt_add_sd_nodes(s);
88
fdt_add_cpu_nodes(s, psci_conduit);
89
fdt_add_clk_node(s, "/clk125", 125000000, s->phandle.clk_125Mhz);
90
fdt_add_clk_node(s, "/clk25", 25000000, s->phandle.clk_25Mhz);
91
@@ -XXX,XX +XXX,XX @@ static void versal_virt_init(MachineState *machine)
92
memory_region_add_subregion_overlap(get_system_memory(),
93
0, &s->soc.fpd.apu.mr, 0);
94
95
+ /* Plugin SD cards. */
96
+ for (i = 0; i < ARRAY_SIZE(s->soc.pmc.iou.sd); i++) {
97
+ sd_plugin_card(&s->soc.pmc.iou.sd[i], drive_get_next(IF_SD));
98
+ }
99
+
100
s->binfo.ram_size = machine->ram_size;
101
s->binfo.loader_start = 0x0;
102
s->binfo.get_dtb = versal_virt_get_dtb;
103
--
104
2.20.1
105
106
diff view generated by jsdifflib
Deleted patch
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
2
1
3
Add support for the RTC.
4
5
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
6
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
7
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
8
Message-id: 20200427181649.26851-12-edgar.iglesias@gmail.com
9
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
10
---
11
hw/arm/xlnx-versal-virt.c | 22 ++++++++++++++++++++++
12
1 file changed, 22 insertions(+)
13
14
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
15
index XXXXXXX..XXXXXXX 100644
16
--- a/hw/arm/xlnx-versal-virt.c
17
+++ b/hw/arm/xlnx-versal-virt.c
18
@@ -XXX,XX +XXX,XX @@ static void fdt_add_sd_nodes(VersalVirt *s)
19
}
20
}
21
22
+static void fdt_add_rtc_node(VersalVirt *s)
23
+{
24
+ const char compat[] = "xlnx,zynqmp-rtc";
25
+ const char interrupt_names[] = "alarm\0sec";
26
+ char *name = g_strdup_printf("/rtc@%x", MM_PMC_RTC);
27
+
28
+ qemu_fdt_add_subnode(s->fdt, name);
29
+
30
+ qemu_fdt_setprop_cells(s->fdt, name, "interrupts",
31
+ GIC_FDT_IRQ_TYPE_SPI, VERSAL_RTC_ALARM_IRQ,
32
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI,
33
+ GIC_FDT_IRQ_TYPE_SPI, VERSAL_RTC_SECONDS_IRQ,
34
+ GIC_FDT_IRQ_FLAGS_LEVEL_HI);
35
+ qemu_fdt_setprop(s->fdt, name, "interrupt-names",
36
+ interrupt_names, sizeof(interrupt_names));
37
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
38
+ 2, MM_PMC_RTC, 2, MM_PMC_RTC_SIZE);
39
+ qemu_fdt_setprop(s->fdt, name, "compatible", compat, sizeof(compat));
40
+ g_free(name);
41
+}
42
+
43
static void fdt_nop_memory_nodes(void *fdt, Error **errp)
44
{
45
Error *err = NULL;
46
@@ -XXX,XX +XXX,XX @@ static void versal_virt_init(MachineState *machine)
47
fdt_add_timer_nodes(s);
48
fdt_add_zdma_nodes(s);
49
fdt_add_sd_nodes(s);
50
+ fdt_add_rtc_node(s);
51
fdt_add_cpu_nodes(s, psci_conduit);
52
fdt_add_clk_node(s, "/clk125", 125000000, s->phandle.clk_125Mhz);
53
fdt_add_clk_node(s, "/clk25", 25000000, s->phandle.clk_25Mhz);
54
--
55
2.20.1
56
57
diff view generated by jsdifflib
1
Convert the Neon "load single structure to all lanes" insns to
1
In commit 6d8980a38fa we updated the copyright string we present to
2
decodetree.
2
the user in -version output, About dialogs, etc, but we forgot that
3
the Sphinx manuals have a separate copyright string setting. Update
4
that one too.
3
5
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
7
Acked-by: Markus Armbruster <armbru@redhat.com>
6
Message-id: 20200430181003.21682-13-peter.maydell@linaro.org
8
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
9
Message-id: 20210705095547.15790-2-peter.maydell@linaro.org
7
---
10
---
8
target/arm/neon-ls.decode | 5 +++
11
docs/conf.py | 2 +-
9
target/arm/translate-neon.inc.c | 73 +++++++++++++++++++++++++++++++++
12
1 file changed, 1 insertion(+), 1 deletion(-)
10
target/arm/translate.c | 55 +------------------------
11
3 files changed, 80 insertions(+), 53 deletions(-)
12
13
13
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
14
diff --git a/docs/conf.py b/docs/conf.py
14
index XXXXXXX..XXXXXXX 100644
15
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-ls.decode
16
--- a/docs/conf.py
16
+++ b/target/arm/neon-ls.decode
17
+++ b/docs/conf.py
17
@@ -XXX,XX +XXX,XX @@
18
@@ -XXX,XX +XXX,XX @@
18
19
19
VLDST_multiple 1111 0100 0 . l:1 0 rn:4 .... itype:4 size:2 align:2 rm:4 \
20
# General information about the project.
20
vd=%vd_dp
21
project = u'QEMU'
21
+
22
-copyright = u'2020, The QEMU Project Developers'
22
+# Neon load single element to all lanes
23
+copyright = u'2021, The QEMU Project Developers'
23
+
24
author = u'The QEMU Project Developers'
24
+VLD_all_lanes 1111 0100 1 . 1 0 rn:4 .... 11 n:2 size:2 t:1 a:1 rm:4 \
25
25
+ vd=%vd_dp
26
# The version info for the project you're documenting, acts as replacement for
26
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
27
index XXXXXXX..XXXXXXX 100644
28
--- a/target/arm/translate-neon.inc.c
29
+++ b/target/arm/translate-neon.inc.c
30
@@ -XXX,XX +XXX,XX @@ static bool trans_VLDST_multiple(DisasContext *s, arg_VLDST_multiple *a)
31
gen_neon_ldst_base_update(s, a->rm, a->rn, nregs * interleave * 8);
32
return true;
33
}
34
+
35
+static bool trans_VLD_all_lanes(DisasContext *s, arg_VLD_all_lanes *a)
36
+{
37
+ /* Neon load single structure to all lanes */
38
+ int reg, stride, vec_size;
39
+ int vd = a->vd;
40
+ int size = a->size;
41
+ int nregs = a->n + 1;
42
+ TCGv_i32 addr, tmp;
43
+
44
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
45
+ return false;
46
+ }
47
+
48
+ /* UNDEF accesses to D16-D31 if they don't exist */
49
+ if (!dc_isar_feature(aa32_simd_r32, s) && (a->vd & 0x10)) {
50
+ return false;
51
+ }
52
+
53
+ if (size == 3) {
54
+ if (nregs != 4 || a->a == 0) {
55
+ return false;
56
+ }
57
+ /* For VLD4 size == 3 a == 1 means 32 bits at 16 byte alignment */
58
+ size = 2;
59
+ }
60
+ if (nregs == 1 && a->a == 1 && size == 0) {
61
+ return false;
62
+ }
63
+ if (nregs == 3 && a->a == 1) {
64
+ return false;
65
+ }
66
+
67
+ if (!vfp_access_check(s)) {
68
+ return true;
69
+ }
70
+
71
+ /*
72
+ * VLD1 to all lanes: T bit indicates how many Dregs to write.
73
+ * VLD2/3/4 to all lanes: T bit indicates register stride.
74
+ */
75
+ stride = a->t ? 2 : 1;
76
+ vec_size = nregs == 1 ? stride * 8 : 8;
77
+
78
+ tmp = tcg_temp_new_i32();
79
+ addr = tcg_temp_new_i32();
80
+ load_reg_var(s, addr, a->rn);
81
+ for (reg = 0; reg < nregs; reg++) {
82
+ gen_aa32_ld_i32(s, tmp, addr, get_mem_index(s),
83
+ s->be_data | size);
84
+ if ((vd & 1) && vec_size == 16) {
85
+ /*
86
+ * We cannot write 16 bytes at once because the
87
+ * destination is unaligned.
88
+ */
89
+ tcg_gen_gvec_dup_i32(size, neon_reg_offset(vd, 0),
90
+ 8, 8, tmp);
91
+ tcg_gen_gvec_mov(0, neon_reg_offset(vd + 1, 0),
92
+ neon_reg_offset(vd, 0), 8, 8);
93
+ } else {
94
+ tcg_gen_gvec_dup_i32(size, neon_reg_offset(vd, 0),
95
+ vec_size, vec_size, tmp);
96
+ }
97
+ tcg_gen_addi_i32(addr, addr, 1 << size);
98
+ vd += stride;
99
+ }
100
+ tcg_temp_free_i32(tmp);
101
+ tcg_temp_free_i32(addr);
102
+
103
+ gen_neon_ldst_base_update(s, a->rm, a->rn, (1 << size) * nregs);
104
+
105
+ return true;
106
+}
107
diff --git a/target/arm/translate.c b/target/arm/translate.c
108
index XXXXXXX..XXXXXXX 100644
109
--- a/target/arm/translate.c
110
+++ b/target/arm/translate.c
111
@@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
112
int size;
113
int reg;
114
int load;
115
- int vec_size;
116
TCGv_i32 addr;
117
TCGv_i32 tmp;
118
119
@@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
120
} else {
121
size = (insn >> 10) & 3;
122
if (size == 3) {
123
- /* Load single element to all lanes. */
124
- int a = (insn >> 4) & 1;
125
- if (!load) {
126
- return 1;
127
- }
128
- size = (insn >> 6) & 3;
129
- nregs = ((insn >> 8) & 3) + 1;
130
-
131
- if (size == 3) {
132
- if (nregs != 4 || a == 0) {
133
- return 1;
134
- }
135
- /* For VLD4 size==3 a == 1 means 32 bits at 16 byte alignment */
136
- size = 2;
137
- }
138
- if (nregs == 1 && a == 1 && size == 0) {
139
- return 1;
140
- }
141
- if (nregs == 3 && a == 1) {
142
- return 1;
143
- }
144
- addr = tcg_temp_new_i32();
145
- load_reg_var(s, addr, rn);
146
-
147
- /* VLD1 to all lanes: bit 5 indicates how many Dregs to write.
148
- * VLD2/3/4 to all lanes: bit 5 indicates register stride.
149
- */
150
- stride = (insn & (1 << 5)) ? 2 : 1;
151
- vec_size = nregs == 1 ? stride * 8 : 8;
152
-
153
- tmp = tcg_temp_new_i32();
154
- for (reg = 0; reg < nregs; reg++) {
155
- gen_aa32_ld_i32(s, tmp, addr, get_mem_index(s),
156
- s->be_data | size);
157
- if ((rd & 1) && vec_size == 16) {
158
- /* We cannot write 16 bytes at once because the
159
- * destination is unaligned.
160
- */
161
- tcg_gen_gvec_dup_i32(size, neon_reg_offset(rd, 0),
162
- 8, 8, tmp);
163
- tcg_gen_gvec_mov(0, neon_reg_offset(rd + 1, 0),
164
- neon_reg_offset(rd, 0), 8, 8);
165
- } else {
166
- tcg_gen_gvec_dup_i32(size, neon_reg_offset(rd, 0),
167
- vec_size, vec_size, tmp);
168
- }
169
- tcg_gen_addi_i32(addr, addr, 1 << size);
170
- rd += stride;
171
- }
172
- tcg_temp_free_i32(tmp);
173
- tcg_temp_free_i32(addr);
174
- stride = (1 << size) * nregs;
175
+ /* Load single element to all lanes -- handled by decodetree */
176
+ return 1;
177
} else {
178
/* Single element. */
179
int idx = (insn >> 4) & 0xf;
180
--
27
--
181
2.20.1
28
2.20.1
182
29
183
30
diff view generated by jsdifflib
1
We're going to want at least some of the NeonGen* typedefs
1
We merged our previous multiple-manual setup into a single Sphinx
2
for the refactored 32-bit Neon decoder, so move them all
2
manual, but we left some text in the various index.rst lines that
3
to translate.h since it makes more sense to keep them in
3
still calls the top level subsections separate 'manuals'. Update
4
one group.
4
them to talk about "this section of the manual" instead, and remove
5
now-obsolete comments about how the index.rst files are the "top
6
level page for the 'foo' manual".
5
7
6
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
9
Acked-by: Markus Armbruster <armbru@redhat.com>
8
Message-id: 20200430181003.21682-23-peter.maydell@linaro.org
10
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
11
Message-id: 20210705095547.15790-3-peter.maydell@linaro.org
9
---
12
---
10
target/arm/translate.h | 17 +++++++++++++++++
13
docs/devel/index.rst | 5 +----
11
target/arm/translate-a64.c | 17 -----------------
14
docs/interop/index.rst | 7 ++-----
12
2 files changed, 17 insertions(+), 17 deletions(-)
15
docs/specs/index.rst | 5 ++---
16
docs/system/index.rst | 5 +----
17
docs/tools/index.rst | 5 ++---
18
docs/user/index.rst | 5 +----
19
6 files changed, 9 insertions(+), 23 deletions(-)
13
20
14
diff --git a/target/arm/translate.h b/target/arm/translate.h
21
diff --git a/docs/devel/index.rst b/docs/devel/index.rst
15
index XXXXXXX..XXXXXXX 100644
22
index XXXXXXX..XXXXXXX 100644
16
--- a/target/arm/translate.h
23
--- a/docs/devel/index.rst
17
+++ b/target/arm/translate.h
24
+++ b/docs/devel/index.rst
18
@@ -XXX,XX +XXX,XX @@ typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t,
25
@@ -XXX,XX +XXX,XX @@
19
typedef void GVecGen4Fn(unsigned, uint32_t, uint32_t, uint32_t,
26
-.. This is the top level page for the 'devel' manual.
20
uint32_t, uint32_t, uint32_t);
27
-
21
28
-
22
+/* Function prototype for gen_ functions for calling Neon helpers */
29
Developer Information
23
+typedef void NeonGenOneOpEnvFn(TCGv_i32, TCGv_ptr, TCGv_i32);
30
=====================
24
+typedef void NeonGenTwoOpFn(TCGv_i32, TCGv_i32, TCGv_i32);
31
25
+typedef void NeonGenTwoOpEnvFn(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32);
32
-This manual documents various parts of the internals of QEMU.
26
+typedef void NeonGenTwo64OpFn(TCGv_i64, TCGv_i64, TCGv_i64);
33
+This section of the manual documents various parts of the internals of QEMU.
27
+typedef void NeonGenTwo64OpEnvFn(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64);
34
You only need to read it if you are interested in reading or
28
+typedef void NeonGenNarrowFn(TCGv_i32, TCGv_i64);
35
modifying QEMU's source code.
29
+typedef void NeonGenNarrowEnvFn(TCGv_i32, TCGv_ptr, TCGv_i64);
36
30
+typedef void NeonGenWidenFn(TCGv_i64, TCGv_i32);
37
diff --git a/docs/interop/index.rst b/docs/interop/index.rst
31
+typedef void NeonGenTwoSingleOPFn(TCGv_i32, TCGv_i32, TCGv_i32, TCGv_ptr);
32
+typedef void NeonGenTwoDoubleOPFn(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_ptr);
33
+typedef void NeonGenOneOpFn(TCGv_i64, TCGv_i64);
34
+typedef void CryptoTwoOpFn(TCGv_ptr, TCGv_ptr);
35
+typedef void CryptoThreeOpIntFn(TCGv_ptr, TCGv_ptr, TCGv_i32);
36
+typedef void CryptoThreeOpFn(TCGv_ptr, TCGv_ptr, TCGv_ptr);
37
+typedef void AtomicThreeOpFn(TCGv_i64, TCGv_i64, TCGv_i64, TCGArg, MemOp);
38
+
39
#endif /* TARGET_ARM_TRANSLATE_H */
40
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
41
index XXXXXXX..XXXXXXX 100644
38
index XXXXXXX..XXXXXXX 100644
42
--- a/target/arm/translate-a64.c
39
--- a/docs/interop/index.rst
43
+++ b/target/arm/translate-a64.c
40
+++ b/docs/interop/index.rst
44
@@ -XXX,XX +XXX,XX @@ typedef struct AArch64DecodeTable {
41
@@ -XXX,XX +XXX,XX @@
45
AArch64DecodeFn *disas_fn;
42
-.. This is the top level page for the 'interop' manual.
46
} AArch64DecodeTable;
47
48
-/* Function prototype for gen_ functions for calling Neon helpers */
49
-typedef void NeonGenOneOpEnvFn(TCGv_i32, TCGv_ptr, TCGv_i32);
50
-typedef void NeonGenTwoOpFn(TCGv_i32, TCGv_i32, TCGv_i32);
51
-typedef void NeonGenTwoOpEnvFn(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32);
52
-typedef void NeonGenTwo64OpFn(TCGv_i64, TCGv_i64, TCGv_i64);
53
-typedef void NeonGenTwo64OpEnvFn(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64);
54
-typedef void NeonGenNarrowFn(TCGv_i32, TCGv_i64);
55
-typedef void NeonGenNarrowEnvFn(TCGv_i32, TCGv_ptr, TCGv_i64);
56
-typedef void NeonGenWidenFn(TCGv_i64, TCGv_i32);
57
-typedef void NeonGenTwoSingleOPFn(TCGv_i32, TCGv_i32, TCGv_i32, TCGv_ptr);
58
-typedef void NeonGenTwoDoubleOPFn(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_ptr);
59
-typedef void NeonGenOneOpFn(TCGv_i64, TCGv_i64);
60
-typedef void CryptoTwoOpFn(TCGv_ptr, TCGv_ptr);
61
-typedef void CryptoThreeOpIntFn(TCGv_ptr, TCGv_ptr, TCGv_i32);
62
-typedef void CryptoThreeOpFn(TCGv_ptr, TCGv_ptr, TCGv_ptr);
63
-typedef void AtomicThreeOpFn(TCGv_i64, TCGv_i64, TCGv_i64, TCGArg, MemOp);
64
-
43
-
65
/* initialize TCG globals. */
44
-
66
void a64_translate_init(void)
45
System Emulation Management and Interoperability
67
{
46
================================================
47
48
-This manual contains documents and specifications that are useful
49
-for making QEMU interoperate with other software.
50
+This section of the manual contains documents and specifications that
51
+are useful for making QEMU interoperate with other software.
52
53
Contents:
54
55
diff --git a/docs/specs/index.rst b/docs/specs/index.rst
56
index XXXXXXX..XXXXXXX 100644
57
--- a/docs/specs/index.rst
58
+++ b/docs/specs/index.rst
59
@@ -XXX,XX +XXX,XX @@
60
-.. This is the top level page for the 'specs' manual
61
-
62
-
63
System Emulation Guest Hardware Specifications
64
==============================================
65
66
+This section of the manual contains specifications of
67
+guest hardware that is specific to QEMU.
68
69
Contents:
70
71
diff --git a/docs/system/index.rst b/docs/system/index.rst
72
index XXXXXXX..XXXXXXX 100644
73
--- a/docs/system/index.rst
74
+++ b/docs/system/index.rst
75
@@ -XXX,XX +XXX,XX @@
76
-.. This is the top level page for the 'system' manual.
77
-
78
-
79
System Emulation
80
================
81
82
-This manual is the overall guide for users using QEMU
83
+This section of the manual is the overall guide for users using QEMU
84
for full system emulation (as opposed to user-mode emulation).
85
This includes working with hypervisors such as KVM, Xen, Hax
86
or Hypervisor.Framework.
87
diff --git a/docs/tools/index.rst b/docs/tools/index.rst
88
index XXXXXXX..XXXXXXX 100644
89
--- a/docs/tools/index.rst
90
+++ b/docs/tools/index.rst
91
@@ -XXX,XX +XXX,XX @@
92
-.. This is the top level page for the 'tools' manual
93
-
94
-
95
Tools
96
=====
97
98
+This section of the manual documents QEMU's "tools": its
99
+command line utilities and other standalone programs.
100
101
Contents:
102
103
diff --git a/docs/user/index.rst b/docs/user/index.rst
104
index XXXXXXX..XXXXXXX 100644
105
--- a/docs/user/index.rst
106
+++ b/docs/user/index.rst
107
@@ -XXX,XX +XXX,XX @@
108
-.. This is the top level page for the 'user' manual.
109
-
110
-
111
User Mode Emulation
112
===================
113
114
-This manual is the overall guide for users using QEMU
115
+This section of the manual is the overall guide for users using QEMU
116
for user-mode emulation. In this mode, QEMU can launch
117
processes compiled for one CPU on another CPU.
118
68
--
119
--
69
2.20.1
120
2.20.1
70
121
71
122
diff view generated by jsdifflib
1
Convert the Neon VMUL, VMLA, VMLS and VSHL insns in the
1
Since the top-level subsections aren't self-contained manuals
2
3-reg-same grouping to decodetree.
2
any more, the "Contents:" lines at the top of each of their
3
index pages look a bit odd; remove them.
3
4
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Acked-by: Markus Armbruster <armbru@redhat.com>
6
Message-id: 20200430181003.21682-20-peter.maydell@linaro.org
7
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
8
Message-id: 20210705095547.15790-4-peter.maydell@linaro.org
7
---
9
---
8
target/arm/neon-dp.decode | 9 +++++++
10
docs/devel/index.rst | 2 --
9
target/arm/translate-neon.inc.c | 44 +++++++++++++++++++++++++++++++++
11
docs/interop/index.rst | 2 --
10
target/arm/translate.c | 28 +++------------------
12
docs/specs/index.rst | 2 --
11
3 files changed, 56 insertions(+), 25 deletions(-)
13
docs/system/index.rst | 2 --
14
docs/tools/index.rst | 2 --
15
docs/user/index.rst | 2 --
16
6 files changed, 12 deletions(-)
12
17
13
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
18
diff --git a/docs/devel/index.rst b/docs/devel/index.rst
14
index XXXXXXX..XXXXXXX 100644
19
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-dp.decode
20
--- a/docs/devel/index.rst
16
+++ b/target/arm/neon-dp.decode
21
+++ b/docs/devel/index.rst
17
@@ -XXX,XX +XXX,XX @@ VCGT_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 0 .... @3same
22
@@ -XXX,XX +XXX,XX @@ This section of the manual documents various parts of the internals of QEMU.
18
VCGE_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 1 .... @3same
23
You only need to read it if you are interested in reading or
19
VCGE_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 1 .... @3same
24
modifying QEMU's source code.
20
25
21
+VSHL_S_3s 1111 001 0 0 . .. .... .... 0100 . . . 0 .... @3same
26
-Contents:
22
+VSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 0 .... @3same
27
-
23
+
28
.. toctree::
24
VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
29
:maxdepth: 2
25
VMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same
30
:includehidden:
26
VMIN_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 1 .... @3same
31
diff --git a/docs/interop/index.rst b/docs/interop/index.rst
27
@@ -XXX,XX +XXX,XX @@ VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
28
29
VTST_3s 1111 001 0 0 . .. .... .... 1000 . . . 1 .... @3same
30
VCEQ_3s 1111 001 1 0 . .. .... .... 1000 . . . 1 .... @3same
31
+
32
+VMLA_3s 1111 001 0 0 . .. .... .... 1001 . . . 0 .... @3same
33
+VMLS_3s 1111 001 1 0 . .. .... .... 1001 . . . 0 .... @3same
34
+
35
+VMUL_3s 1111 001 0 0 . .. .... .... 1001 . . . 1 .... @3same
36
+VMUL_p_3s 1111 001 1 0 . .. .... .... 1001 . . . 1 .... @3same
37
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
38
index XXXXXXX..XXXXXXX 100644
32
index XXXXXXX..XXXXXXX 100644
39
--- a/target/arm/translate-neon.inc.c
33
--- a/docs/interop/index.rst
40
+++ b/target/arm/translate-neon.inc.c
34
+++ b/docs/interop/index.rst
41
@@ -XXX,XX +XXX,XX @@ DO_3SAME_NO_SZ_3(VMAX_S, tcg_gen_gvec_smax)
35
@@ -XXX,XX +XXX,XX @@ System Emulation Management and Interoperability
42
DO_3SAME_NO_SZ_3(VMAX_U, tcg_gen_gvec_umax)
36
This section of the manual contains documents and specifications that
43
DO_3SAME_NO_SZ_3(VMIN_S, tcg_gen_gvec_smin)
37
are useful for making QEMU interoperate with other software.
44
DO_3SAME_NO_SZ_3(VMIN_U, tcg_gen_gvec_umin)
38
45
+DO_3SAME_NO_SZ_3(VMUL, tcg_gen_gvec_mul)
39
-Contents:
46
40
-
47
#define DO_3SAME_CMP(INSN, COND) \
41
.. toctree::
48
static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
42
:maxdepth: 2
49
@@ -XXX,XX +XXX,XX @@ DO_3SAME_GVEC4(VQADD_S, sqadd_op)
43
50
DO_3SAME_GVEC4(VQADD_U, uqadd_op)
44
diff --git a/docs/specs/index.rst b/docs/specs/index.rst
51
DO_3SAME_GVEC4(VQSUB_S, sqsub_op)
52
DO_3SAME_GVEC4(VQSUB_U, uqsub_op)
53
+
54
+static void gen_VMUL_p_3s(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
55
+ uint32_t rm_ofs, uint32_t oprsz, uint32_t maxsz)
56
+{
57
+ tcg_gen_gvec_3_ool(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz,
58
+ 0, gen_helper_gvec_pmul_b);
59
+}
60
+
61
+static bool trans_VMUL_p_3s(DisasContext *s, arg_3same *a)
62
+{
63
+ if (a->size != 0) {
64
+ return false;
65
+ }
66
+ return do_3same(s, a, gen_VMUL_p_3s);
67
+}
68
+
69
+#define DO_3SAME_GVEC3_NO_SZ_3(INSN, OPARRAY) \
70
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
71
+ uint32_t rn_ofs, uint32_t rm_ofs, \
72
+ uint32_t oprsz, uint32_t maxsz) \
73
+ { \
74
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, \
75
+ oprsz, maxsz, &OPARRAY[vece]); \
76
+ } \
77
+ DO_3SAME_NO_SZ_3(INSN, gen_##INSN##_3s)
78
+
79
+
80
+DO_3SAME_GVEC3_NO_SZ_3(VMLA, mla_op)
81
+DO_3SAME_GVEC3_NO_SZ_3(VMLS, mls_op)
82
+
83
+#define DO_3SAME_GVEC3_SHIFT(INSN, OPARRAY) \
84
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
85
+ uint32_t rn_ofs, uint32_t rm_ofs, \
86
+ uint32_t oprsz, uint32_t maxsz) \
87
+ { \
88
+ /* Note the operation is vshl vd,vm,vn */ \
89
+ tcg_gen_gvec_3(rd_ofs, rm_ofs, rn_ofs, \
90
+ oprsz, maxsz, &OPARRAY[vece]); \
91
+ } \
92
+ DO_3SAME(INSN, gen_##INSN##_3s)
93
+
94
+DO_3SAME_GVEC3_SHIFT(VSHL_S, sshl_op)
95
+DO_3SAME_GVEC3_SHIFT(VSHL_U, ushl_op)
96
diff --git a/target/arm/translate.c b/target/arm/translate.c
97
index XXXXXXX..XXXXXXX 100644
45
index XXXXXXX..XXXXXXX 100644
98
--- a/target/arm/translate.c
46
--- a/docs/specs/index.rst
99
+++ b/target/arm/translate.c
47
+++ b/docs/specs/index.rst
100
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
48
@@ -XXX,XX +XXX,XX @@ System Emulation Guest Hardware Specifications
101
}
49
This section of the manual contains specifications of
102
return 1;
50
guest hardware that is specific to QEMU.
103
51
104
- case NEON_3R_VMUL: /* VMUL */
52
-Contents:
105
- if (u) {
106
- /* Polynomial case allows only P8. */
107
- if (size != 0) {
108
- return 1;
109
- }
110
- tcg_gen_gvec_3_ool(rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size,
111
- 0, gen_helper_gvec_pmul_b);
112
- } else {
113
- tcg_gen_gvec_mul(size, rd_ofs, rn_ofs, rm_ofs,
114
- vec_size, vec_size);
115
- }
116
- return 0;
117
-
53
-
118
- case NEON_3R_VML: /* VMLA, VMLS */
54
.. toctree::
119
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size,
55
:maxdepth: 2
120
- u ? &mls_op[size] : &mla_op[size]);
56
121
- return 0;
57
diff --git a/docs/system/index.rst b/docs/system/index.rst
58
index XXXXXXX..XXXXXXX 100644
59
--- a/docs/system/index.rst
60
+++ b/docs/system/index.rst
61
@@ -XXX,XX +XXX,XX @@ for full system emulation (as opposed to user-mode emulation).
62
This includes working with hypervisors such as KVM, Xen, Hax
63
or Hypervisor.Framework.
64
65
-Contents:
122
-
66
-
123
- case NEON_3R_VSHL:
67
.. toctree::
124
- /* Note the operation is vshl vd,vm,vn */
68
:maxdepth: 3
125
- tcg_gen_gvec_3(rd_ofs, rm_ofs, rn_ofs, vec_size, vec_size,
69
126
- u ? &ushl_op[size] : &sshl_op[size]);
70
diff --git a/docs/tools/index.rst b/docs/tools/index.rst
127
- return 0;
71
index XXXXXXX..XXXXXXX 100644
72
--- a/docs/tools/index.rst
73
+++ b/docs/tools/index.rst
74
@@ -XXX,XX +XXX,XX @@ Tools
75
This section of the manual documents QEMU's "tools": its
76
command line utilities and other standalone programs.
77
78
-Contents:
128
-
79
-
129
case NEON_3R_VADD_VSUB:
80
.. toctree::
130
case NEON_3R_LOGIC:
81
:maxdepth: 2
131
case NEON_3R_VMAX:
82
132
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
83
diff --git a/docs/user/index.rst b/docs/user/index.rst
133
case NEON_3R_VCGE:
84
index XXXXXXX..XXXXXXX 100644
134
case NEON_3R_VQADD:
85
--- a/docs/user/index.rst
135
case NEON_3R_VQSUB:
86
+++ b/docs/user/index.rst
136
+ case NEON_3R_VMUL:
87
@@ -XXX,XX +XXX,XX @@ This section of the manual is the overall guide for users using QEMU
137
+ case NEON_3R_VML:
88
for user-mode emulation. In this mode, QEMU can launch
138
+ case NEON_3R_VSHL:
89
processes compiled for one CPU on another CPU.
139
/* Already handled by decodetree */
90
140
return 1;
91
-Contents:
141
}
92
-
93
.. toctree::
94
:maxdepth: 2
95
142
--
96
--
143
2.20.1
97
2.20.1
144
98
145
99
diff view generated by jsdifflib
1
Convert the Neon VQADD/VQSUB insns in the 3-reg-same grouping
1
Now that we have a single Sphinx manual rather than multiple manuals,
2
to decodetree.
2
we can provide a better place for "common to all of QEMU" information
3
like the deprecation notices, build platforms, license information,
4
which we currently have in the system/ manual even though it applies
5
to all of QEMU.
6
7
Create a new directory about/ on the same level as system/, user/,
8
etc, and move these documents there.
3
9
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
11
Acked-by: Markus Armbruster <armbru@redhat.com>
6
Message-id: 20200430181003.21682-19-peter.maydell@linaro.org
12
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
13
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
14
Message-id: 20210705095547.15790-5-peter.maydell@linaro.org
7
---
15
---
8
target/arm/neon-dp.decode | 6 ++++++
16
docs/{system => about}/build-platforms.rst | 0
9
target/arm/translate-neon.inc.c | 15 +++++++++++++++
17
docs/{system => about}/deprecated.rst | 0
10
target/arm/translate.c | 14 ++------------
18
docs/about/index.rst | 10 ++++++++++
11
3 files changed, 23 insertions(+), 12 deletions(-)
19
docs/{system => about}/license.rst | 0
20
docs/{system => about}/removed-features.rst | 0
21
docs/index.rst | 1 +
22
docs/system/index.rst | 4 ----
23
7 files changed, 11 insertions(+), 4 deletions(-)
24
rename docs/{system => about}/build-platforms.rst (100%)
25
rename docs/{system => about}/deprecated.rst (100%)
26
create mode 100644 docs/about/index.rst
27
rename docs/{system => about}/license.rst (100%)
28
rename docs/{system => about}/removed-features.rst (100%)
12
29
13
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
30
diff --git a/docs/system/build-platforms.rst b/docs/about/build-platforms.rst
31
similarity index 100%
32
rename from docs/system/build-platforms.rst
33
rename to docs/about/build-platforms.rst
34
diff --git a/docs/system/deprecated.rst b/docs/about/deprecated.rst
35
similarity index 100%
36
rename from docs/system/deprecated.rst
37
rename to docs/about/deprecated.rst
38
diff --git a/docs/about/index.rst b/docs/about/index.rst
39
new file mode 100644
40
index XXXXXXX..XXXXXXX
41
--- /dev/null
42
+++ b/docs/about/index.rst
43
@@ -XXX,XX +XXX,XX @@
44
+About QEMU
45
+==========
46
+
47
+.. toctree::
48
+ :maxdepth: 2
49
+
50
+ build-platforms
51
+ deprecated
52
+ removed-features
53
+ license
54
diff --git a/docs/system/license.rst b/docs/about/license.rst
55
similarity index 100%
56
rename from docs/system/license.rst
57
rename to docs/about/license.rst
58
diff --git a/docs/system/removed-features.rst b/docs/about/removed-features.rst
59
similarity index 100%
60
rename from docs/system/removed-features.rst
61
rename to docs/about/removed-features.rst
62
diff --git a/docs/index.rst b/docs/index.rst
14
index XXXXXXX..XXXXXXX 100644
63
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-dp.decode
64
--- a/docs/index.rst
16
+++ b/target/arm/neon-dp.decode
65
+++ b/docs/index.rst
17
@@ -XXX,XX +XXX,XX @@
66
@@ -XXX,XX +XXX,XX @@ Welcome to QEMU's documentation!
18
@3same .... ... . . . size:2 .... .... .... . q:1 . . .... \
67
:maxdepth: 2
19
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp
68
:caption: Contents:
20
69
21
+VQADD_S_3s 1111 001 0 0 . .. .... .... 0000 . . . 1 .... @3same
70
+ about/index
22
+VQADD_U_3s 1111 001 1 0 . .. .... .... 0000 . . . 1 .... @3same
71
system/index
23
+
72
user/index
24
@3same_logic .... ... . . . .. .... .... .... . q:1 .. .... \
73
tools/index
25
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp size=0
74
diff --git a/docs/system/index.rst b/docs/system/index.rst
26
27
@@ -XXX,XX +XXX,XX @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
28
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
29
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
30
31
+VQSUB_S_3s 1111 001 0 0 . .. .... .... 0010 . . . 1 .... @3same
32
+VQSUB_U_3s 1111 001 1 0 . .. .... .... 0010 . . . 1 .... @3same
33
+
34
VCGT_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 0 .... @3same
35
VCGT_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 0 .... @3same
36
VCGE_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 1 .... @3same
37
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
38
index XXXXXXX..XXXXXXX 100644
75
index XXXXXXX..XXXXXXX 100644
39
--- a/target/arm/translate-neon.inc.c
76
--- a/docs/system/index.rst
40
+++ b/target/arm/translate-neon.inc.c
77
+++ b/docs/system/index.rst
41
@@ -XXX,XX +XXX,XX @@ static void gen_VTST_3s(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
78
@@ -XXX,XX +XXX,XX @@ or Hypervisor.Framework.
42
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &cmtst_op[vece]);
79
targets
43
}
80
security
44
DO_3SAME_NO_SZ_3(VTST, gen_VTST_3s)
81
multi-process
45
+
82
- deprecated
46
+#define DO_3SAME_GVEC4(INSN, OPARRAY) \
83
- removed-features
47
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
84
- build-platforms
48
+ uint32_t rn_ofs, uint32_t rm_ofs, \
85
- license
49
+ uint32_t oprsz, uint32_t maxsz) \
50
+ { \
51
+ tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc), \
52
+ rn_ofs, rm_ofs, oprsz, maxsz, &OPARRAY[vece]); \
53
+ } \
54
+ DO_3SAME(INSN, gen_##INSN##_3s)
55
+
56
+DO_3SAME_GVEC4(VQADD_S, sqadd_op)
57
+DO_3SAME_GVEC4(VQADD_U, uqadd_op)
58
+DO_3SAME_GVEC4(VQSUB_S, sqsub_op)
59
+DO_3SAME_GVEC4(VQSUB_U, uqsub_op)
60
diff --git a/target/arm/translate.c b/target/arm/translate.c
61
index XXXXXXX..XXXXXXX 100644
62
--- a/target/arm/translate.c
63
+++ b/target/arm/translate.c
64
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
65
}
66
return 1;
67
68
- case NEON_3R_VQADD:
69
- tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
70
- rn_ofs, rm_ofs, vec_size, vec_size,
71
- (u ? uqadd_op : sqadd_op) + size);
72
- return 0;
73
-
74
- case NEON_3R_VQSUB:
75
- tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
76
- rn_ofs, rm_ofs, vec_size, vec_size,
77
- (u ? uqsub_op : sqsub_op) + size);
78
- return 0;
79
-
80
case NEON_3R_VMUL: /* VMUL */
81
if (u) {
82
/* Polynomial case allows only P8. */
83
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
84
case NEON_3R_VTST_VCEQ:
85
case NEON_3R_VCGT:
86
case NEON_3R_VCGE:
87
+ case NEON_3R_VQADD:
88
+ case NEON_3R_VQSUB:
89
/* Already handled by decodetree */
90
return 1;
91
}
92
--
86
--
93
2.20.1
87
2.20.1
94
88
95
89
diff view generated by jsdifflib
1
Convert VCMLA (scalar) in the 2reg-scalar-ext group to decodetree.
1
Add some text to About to act as a brief introduction to the QEMU
2
manual and to make the about page a bit less of an abrupt start to
3
it.
2
4
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Acked-by: Markus Armbruster <armbru@redhat.com>
5
Message-id: 20200430181003.21682-9-peter.maydell@linaro.org
7
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
8
Message-id: 20210705095547.15790-6-peter.maydell@linaro.org
6
---
9
---
7
target/arm/neon-shared.decode | 5 +++++
10
docs/about/index.rst | 17 +++++++++++++++++
8
target/arm/translate-neon.inc.c | 40 +++++++++++++++++++++++++++++++++
11
1 file changed, 17 insertions(+)
9
target/arm/translate.c | 26 +--------------------
10
3 files changed, 46 insertions(+), 25 deletions(-)
11
12
12
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
13
diff --git a/docs/about/index.rst b/docs/about/index.rst
13
index XXXXXXX..XXXXXXX 100644
14
index XXXXXXX..XXXXXXX 100644
14
--- a/target/arm/neon-shared.decode
15
--- a/docs/about/index.rst
15
+++ b/target/arm/neon-shared.decode
16
+++ b/docs/about/index.rst
16
@@ -XXX,XX +XXX,XX @@ VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
17
@@ -XXX,XX +XXX,XX @@
17
vm=%vm_sp vn=%vn_sp vd=%vd_dp q=0
18
About QEMU
18
VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
19
==========
19
vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
20
21
+QEMU is a generic and open source machine emulator and virtualizer.
20
+
22
+
21
+VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
23
+QEMU can be used in several different ways. The most common is for
22
+ vn=%vn_dp vd=%vd_dp size=0
24
+"system emulation", where it provides a virtual model of an
23
+VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
25
+entire machine (CPU, memory and emulated devices) to run a guest OS.
24
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp size=1 index=0
26
+In this mode the CPU may be fully emulated, or it may work with
25
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
27
+a hypervisor such as KVM, Xen, Hax or Hypervisor.Framework to
26
index XXXXXXX..XXXXXXX 100644
28
+allow the guest to run directly on the host CPU.
27
--- a/target/arm/translate-neon.inc.c
28
+++ b/target/arm/translate-neon.inc.c
29
@@ -XXX,XX +XXX,XX @@ static bool trans_VFML(DisasContext *s, arg_VFML *a)
30
gen_helper_gvec_fmlal_a32);
31
return true;
32
}
33
+
29
+
34
+static bool trans_VCMLA_scalar(DisasContext *s, arg_VCMLA_scalar *a)
30
+The second supported way to use QEMU is "user mode emulation",
35
+{
31
+where QEMU can launch processes compiled for one CPU on another CPU.
36
+ gen_helper_gvec_3_ptr *fn_gvec_ptr;
32
+In this mode the CPU is always emulated.
37
+ int opr_sz;
38
+ TCGv_ptr fpst;
39
+
33
+
40
+ if (!dc_isar_feature(aa32_vcma, s)) {
34
+QEMU also provides a number of standalone commandline utilities,
41
+ return false;
35
+such as the `qemu-img` disk image utility that allows you to create,
42
+ }
36
+convert and modify disk images.
43
+ if (a->size == 0 && !dc_isar_feature(aa32_fp16_arith, s)) {
44
+ return false;
45
+ }
46
+
37
+
47
+ /* UNDEF accesses to D16-D31 if they don't exist. */
38
.. toctree::
48
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
39
:maxdepth: 2
49
+ ((a->vd | a->vn | a->vm) & 0x10)) {
50
+ return false;
51
+ }
52
+
53
+ if ((a->vd | a->vn) & a->q) {
54
+ return false;
55
+ }
56
+
57
+ if (!vfp_access_check(s)) {
58
+ return true;
59
+ }
60
+
61
+ fn_gvec_ptr = (a->size ? gen_helper_gvec_fcmlas_idx
62
+ : gen_helper_gvec_fcmlah_idx);
63
+ opr_sz = (1 + a->q) * 8;
64
+ fpst = get_fpstatus_ptr(1);
65
+ tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
66
+ vfp_reg_offset(1, a->vn),
67
+ vfp_reg_offset(1, a->vm),
68
+ fpst, opr_sz, opr_sz,
69
+ (a->index << 2) | a->rot, fn_gvec_ptr);
70
+ tcg_temp_free_ptr(fpst);
71
+ return true;
72
+}
73
diff --git a/target/arm/translate.c b/target/arm/translate.c
74
index XXXXXXX..XXXXXXX 100644
75
--- a/target/arm/translate.c
76
+++ b/target/arm/translate.c
77
@@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn)
78
bool is_long = false, q = extract32(insn, 6, 1);
79
bool ptr_is_env = false;
80
81
- if ((insn & 0xff000f10) == 0xfe000800) {
82
- /* VCMLA (indexed) -- 1111 1110 S.RR .... .... 1000 ...0 .... */
83
- int rot = extract32(insn, 20, 2);
84
- int size = extract32(insn, 23, 1);
85
- int index;
86
-
87
- if (!dc_isar_feature(aa32_vcma, s)) {
88
- return 1;
89
- }
90
- if (size == 0) {
91
- if (!dc_isar_feature(aa32_fp16_arith, s)) {
92
- return 1;
93
- }
94
- /* For fp16, rm is just Vm, and index is M. */
95
- rm = extract32(insn, 0, 4);
96
- index = extract32(insn, 5, 1);
97
- } else {
98
- /* For fp32, rm is the usual M:Vm, and index is 0. */
99
- VFP_DREG_M(rm, insn);
100
- index = 0;
101
- }
102
- data = (index << 2) | rot;
103
- fn_gvec_ptr = (size ? gen_helper_gvec_fcmlas_idx
104
- : gen_helper_gvec_fcmlah_idx);
105
- } else if ((insn & 0xffb00f00) == 0xfe200d00) {
106
+ if ((insn & 0xffb00f00) == 0xfe200d00) {
107
/* V[US]DOT -- 1111 1110 0.10 .... .... 1101 .Q.U .... */
108
int u = extract32(insn, 4, 1);
109
40
110
--
41
--
111
2.20.1
42
2.20.1
112
43
113
44
diff view generated by jsdifflib
1
Convert the Neon comparison ops in the 3-reg-same grouping
1
The standard Sphinx/RTD HTML page footer gives a copyright line
2
to decodetree.
2
(based on the 'copyright' variable set in conf.py) and a line "Built
3
with Sphinx using a theme provided by Read the Docs" (which can be
4
disabled via the html_show_sphinx variable, but we leave it enabled).
5
As a free software project, we'd like to also mention the license
6
QEMU and its manual are released under.
7
8
Add a template footer.html which defines the 'extrafooter' block that
9
the RtD theme provides for this purpose. The new line of text will
10
go below the existing copyright and sphinx-acknowledgement lines.
11
(Unfortunately the RTD footer template does not permit putting it
12
after the copyright but before the sphinx-acknowledgement.)
13
14
We use the templating functionality to make the new text also be a
15
hyperlink to the about/license.html page of the manual.
16
17
Unlike rst files, HTML template files are not reported to our depfile
18
plugin, so we maintain a manual list in meson.build. New template
19
files should be rare, so not being able to auto-generate the
20
dependency info is not too awkward.
3
21
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
22
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
23
Acked-by: Markus Armbruster <armbru@redhat.com>
6
Message-id: 20200430181003.21682-18-peter.maydell@linaro.org
24
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
25
Message-id: 20210705095547.15790-7-peter.maydell@linaro.org
7
---
26
---
8
target/arm/neon-dp.decode | 8 ++++++++
27
docs/_templates/footer.html | 12 ++++++++++++
9
target/arm/translate-neon.inc.c | 22 ++++++++++++++++++++++
28
docs/meson.build | 3 ++-
10
target/arm/translate.c | 23 +++--------------------
29
MAINTAINERS | 1 +
11
3 files changed, 33 insertions(+), 20 deletions(-)
30
3 files changed, 15 insertions(+), 1 deletion(-)
31
create mode 100644 docs/_templates/footer.html
12
32
13
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
33
diff --git a/docs/_templates/footer.html b/docs/_templates/footer.html
34
new file mode 100644
35
index XXXXXXX..XXXXXXX
36
--- /dev/null
37
+++ b/docs/_templates/footer.html
38
@@ -XXX,XX +XXX,XX @@
39
+{% extends "!footer.html" %}
40
+{% block extrafooter %}
41
+
42
+<!-- Empty para to force a blank line after "Built with Sphinx ..." -->
43
+<p></p>
44
+
45
+{% trans path=pathto('about/license') %}
46
+<p><a href="{{ path }}">QEMU and this manual are released under the
47
+GNU General Public License, version 2.</a></p>
48
+{% endtrans %}
49
+{{ super() }}
50
+{% endblock %}
51
diff --git a/docs/meson.build b/docs/meson.build
14
index XXXXXXX..XXXXXXX 100644
52
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-dp.decode
53
--- a/docs/meson.build
16
+++ b/target/arm/neon-dp.decode
54
+++ b/docs/meson.build
17
@@ -XXX,XX +XXX,XX @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
55
@@ -XXX,XX +XXX,XX @@ if build_docs
18
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
56
meson.source_root() / 'docs/sphinx/qapidoc.py',
19
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
57
meson.source_root() / 'docs/sphinx/qmp_lexer.py',
20
58
qapi_gen_depends ]
21
+VCGT_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 0 .... @3same
59
+ sphinx_template_files = [ meson.source_root() / 'docs/_templates/footer.html' ]
22
+VCGT_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 0 .... @3same
60
23
+VCGE_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 1 .... @3same
61
have_ga = have_tools and config_host.has_key('CONFIG_GUEST_AGENT')
24
+VCGE_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 1 .... @3same
62
25
+
63
@@ -XXX,XX +XXX,XX @@ if build_docs
26
VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
64
output: 'docs.stamp',
27
VMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same
65
input: files('conf.py'),
28
VMIN_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 1 .... @3same
66
depfile: 'docs.d',
29
@@ -XXX,XX +XXX,XX @@ VMIN_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 1 .... @3same
67
- depend_files: sphinx_extn_depends,
30
68
+ depend_files: [ sphinx_extn_depends, sphinx_template_files ],
31
VADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same
69
command: [SPHINX_ARGS, '-Ddepfile=@DEPFILE@',
32
VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
70
'-Ddepfile_stamp=@OUTPUT0@',
33
+
71
'-b', 'html', '-d', private_dir,
34
+VTST_3s 1111 001 0 0 . .. .... .... 1000 . . . 1 .... @3same
72
diff --git a/MAINTAINERS b/MAINTAINERS
35
+VCEQ_3s 1111 001 1 0 . .. .... .... 1000 . . . 1 .... @3same
36
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
37
index XXXXXXX..XXXXXXX 100644
73
index XXXXXXX..XXXXXXX 100644
38
--- a/target/arm/translate-neon.inc.c
74
--- a/MAINTAINERS
39
+++ b/target/arm/translate-neon.inc.c
75
+++ b/MAINTAINERS
40
@@ -XXX,XX +XXX,XX @@ DO_3SAME_NO_SZ_3(VMAX_S, tcg_gen_gvec_smax)
76
@@ -XXX,XX +XXX,XX @@ S: Maintained
41
DO_3SAME_NO_SZ_3(VMAX_U, tcg_gen_gvec_umax)
77
F: docs/conf.py
42
DO_3SAME_NO_SZ_3(VMIN_S, tcg_gen_gvec_smin)
78
F: docs/*/conf.py
43
DO_3SAME_NO_SZ_3(VMIN_U, tcg_gen_gvec_umin)
79
F: docs/sphinx/
44
+
80
+F: docs/_templates/
45
+#define DO_3SAME_CMP(INSN, COND) \
81
46
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
82
Miscellaneous
47
+ uint32_t rn_ofs, uint32_t rm_ofs, \
83
-------------
48
+ uint32_t oprsz, uint32_t maxsz) \
49
+ { \
50
+ tcg_gen_gvec_cmp(COND, vece, rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz); \
51
+ } \
52
+ DO_3SAME_NO_SZ_3(INSN, gen_##INSN##_3s)
53
+
54
+DO_3SAME_CMP(VCGT_S, TCG_COND_GT)
55
+DO_3SAME_CMP(VCGT_U, TCG_COND_GTU)
56
+DO_3SAME_CMP(VCGE_S, TCG_COND_GE)
57
+DO_3SAME_CMP(VCGE_U, TCG_COND_GEU)
58
+DO_3SAME_CMP(VCEQ, TCG_COND_EQ)
59
+
60
+static void gen_VTST_3s(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
61
+ uint32_t rm_ofs, uint32_t oprsz, uint32_t maxsz)
62
+{
63
+ tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &cmtst_op[vece]);
64
+}
65
+DO_3SAME_NO_SZ_3(VTST, gen_VTST_3s)
66
diff --git a/target/arm/translate.c b/target/arm/translate.c
67
index XXXXXXX..XXXXXXX 100644
68
--- a/target/arm/translate.c
69
+++ b/target/arm/translate.c
70
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
71
u ? &mls_op[size] : &mla_op[size]);
72
return 0;
73
74
- case NEON_3R_VTST_VCEQ:
75
- if (u) { /* VCEQ */
76
- tcg_gen_gvec_cmp(TCG_COND_EQ, size, rd_ofs, rn_ofs, rm_ofs,
77
- vec_size, vec_size);
78
- } else { /* VTST */
79
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs,
80
- vec_size, vec_size, &cmtst_op[size]);
81
- }
82
- return 0;
83
-
84
- case NEON_3R_VCGT:
85
- tcg_gen_gvec_cmp(u ? TCG_COND_GTU : TCG_COND_GT, size,
86
- rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size);
87
- return 0;
88
-
89
- case NEON_3R_VCGE:
90
- tcg_gen_gvec_cmp(u ? TCG_COND_GEU : TCG_COND_GE, size,
91
- rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size);
92
- return 0;
93
-
94
case NEON_3R_VSHL:
95
/* Note the operation is vshl vd,vm,vn */
96
tcg_gen_gvec_3(rd_ofs, rm_ofs, rn_ofs, vec_size, vec_size,
97
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
98
case NEON_3R_LOGIC:
99
case NEON_3R_VMAX:
100
case NEON_3R_VMIN:
101
+ case NEON_3R_VTST_VCEQ:
102
+ case NEON_3R_VCGT:
103
+ case NEON_3R_VCGE:
104
/* Already handled by decodetree */
105
return 1;
106
}
107
--
84
--
108
2.20.1
85
2.20.1
109
86
110
87
diff view generated by jsdifflib
1
Convert the Neon 3-reg-same VMAX and VMIN insns to decodetree.
1
Add a line to the HTML document footer mentioning the QEMU version.
2
The version information is already provided in very faint text below
3
the QEMU logo in the sidebar, but that is rather inconspicious, so
4
repeating it in the footer seems useful.
2
5
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
7
Acked-by: Markus Armbruster <armbru@redhat.com>
5
Message-id: 20200430181003.21682-17-peter.maydell@linaro.org
8
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
9
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
10
Message-id: 20210705095547.15790-8-peter.maydell@linaro.org
6
---
11
---
7
target/arm/neon-dp.decode | 5 +++++
12
docs/_templates/footer.html | 2 ++
8
target/arm/translate-neon.inc.c | 14 ++++++++++++++
13
1 file changed, 2 insertions(+)
9
target/arm/translate.c | 21 ++-------------------
10
3 files changed, 21 insertions(+), 19 deletions(-)
11
14
12
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
15
diff --git a/docs/_templates/footer.html b/docs/_templates/footer.html
13
index XXXXXXX..XXXXXXX 100644
16
index XXXXXXX..XXXXXXX 100644
14
--- a/target/arm/neon-dp.decode
17
--- a/docs/_templates/footer.html
15
+++ b/target/arm/neon-dp.decode
18
+++ b/docs/_templates/footer.html
16
@@ -XXX,XX +XXX,XX @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
19
@@ -XXX,XX +XXX,XX @@
17
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
20
<!-- Empty para to force a blank line after "Built with Sphinx ..." -->
18
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
21
<p></p>
19
22
20
+VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
23
+<p>This documentation is for QEMU version {{ version }}.</p>
21
+VMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same
22
+VMIN_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 1 .... @3same
23
+VMIN_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 1 .... @3same
24
+
24
+
25
VADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same
25
{% trans path=pathto('about/license') %}
26
VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
26
<p><a href="{{ path }}">QEMU and this manual are released under the
27
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
27
GNU General Public License, version 2.</a></p>
28
index XXXXXXX..XXXXXXX 100644
29
--- a/target/arm/translate-neon.inc.c
30
+++ b/target/arm/translate-neon.inc.c
31
@@ -XXX,XX +XXX,XX @@ DO_3SAME(VEOR, tcg_gen_gvec_xor)
32
DO_3SAME_BITSEL(VBSL, rd_ofs, rn_ofs, rm_ofs)
33
DO_3SAME_BITSEL(VBIT, rm_ofs, rn_ofs, rd_ofs)
34
DO_3SAME_BITSEL(VBIF, rm_ofs, rd_ofs, rn_ofs)
35
+
36
+#define DO_3SAME_NO_SZ_3(INSN, FUNC) \
37
+ static bool trans_##INSN##_3s(DisasContext *s, arg_3same *a) \
38
+ { \
39
+ if (a->size == 3) { \
40
+ return false; \
41
+ } \
42
+ return do_3same(s, a, FUNC); \
43
+ }
44
+
45
+DO_3SAME_NO_SZ_3(VMAX_S, tcg_gen_gvec_smax)
46
+DO_3SAME_NO_SZ_3(VMAX_U, tcg_gen_gvec_umax)
47
+DO_3SAME_NO_SZ_3(VMIN_S, tcg_gen_gvec_smin)
48
+DO_3SAME_NO_SZ_3(VMIN_U, tcg_gen_gvec_umin)
49
diff --git a/target/arm/translate.c b/target/arm/translate.c
50
index XXXXXXX..XXXXXXX 100644
51
--- a/target/arm/translate.c
52
+++ b/target/arm/translate.c
53
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
54
rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size);
55
return 0;
56
57
- case NEON_3R_VMAX:
58
- if (u) {
59
- tcg_gen_gvec_umax(size, rd_ofs, rn_ofs, rm_ofs,
60
- vec_size, vec_size);
61
- } else {
62
- tcg_gen_gvec_smax(size, rd_ofs, rn_ofs, rm_ofs,
63
- vec_size, vec_size);
64
- }
65
- return 0;
66
- case NEON_3R_VMIN:
67
- if (u) {
68
- tcg_gen_gvec_umin(size, rd_ofs, rn_ofs, rm_ofs,
69
- vec_size, vec_size);
70
- } else {
71
- tcg_gen_gvec_smin(size, rd_ofs, rn_ofs, rm_ofs,
72
- vec_size, vec_size);
73
- }
74
- return 0;
75
-
76
case NEON_3R_VSHL:
77
/* Note the operation is vshl vd,vm,vn */
78
tcg_gen_gvec_3(rd_ofs, rm_ofs, rn_ofs, vec_size, vec_size,
79
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
80
81
case NEON_3R_VADD_VSUB:
82
case NEON_3R_LOGIC:
83
+ case NEON_3R_VMAX:
84
+ case NEON_3R_VMIN:
85
/* Already handled by decodetree */
86
return 1;
87
}
88
--
28
--
89
2.20.1
29
2.20.1
90
30
91
31
diff view generated by jsdifflib
1
We were accidentally permitting decode of Thumb Neon insns even if
1
Add skeletal documentation of the cubieboard machine.
2
the CPU didn't have the FEATURE_NEON bit set, because the feature
3
check was being done before the call to disas_neon_data_insn() and
4
disas_neon_ls_insn() in the Arm decoder but was omitted from the
5
Thumb decoder. Push the feature bit check down into the called
6
functions so it is done for both Arm and Thumb encodings.
7
2
8
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
9
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
10
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
5
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
11
Message-id: 20200430181003.21682-3-peter.maydell@linaro.org
6
Message-id: 20210713142226.19155-2-peter.maydell@linaro.org
12
---
7
---
13
target/arm/translate.c | 16 ++++++++--------
8
docs/system/arm/cubieboard.rst | 16 ++++++++++++++++
14
1 file changed, 8 insertions(+), 8 deletions(-)
9
docs/system/target-arm.rst | 1 +
10
MAINTAINERS | 1 +
11
3 files changed, 18 insertions(+)
12
create mode 100644 docs/system/arm/cubieboard.rst
15
13
16
diff --git a/target/arm/translate.c b/target/arm/translate.c
14
diff --git a/docs/system/arm/cubieboard.rst b/docs/system/arm/cubieboard.rst
15
new file mode 100644
16
index XXXXXXX..XXXXXXX
17
--- /dev/null
18
+++ b/docs/system/arm/cubieboard.rst
19
@@ -XXX,XX +XXX,XX @@
20
+Cubietech Cubieboard (``cubieboard``)
21
+=====================================
22
+
23
+The ``cubieboard`` model emulates the Cubietech Cubieboard,
24
+which is a Cortex-A8 based single-board computer using
25
+the AllWinner A10 SoC.
26
+
27
+Emulated devices:
28
+
29
+- Timer
30
+- UART
31
+- RTC
32
+- EMAC
33
+- SDHCI
34
+- USB controller
35
+- SATA controller
36
diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst
17
index XXXXXXX..XXXXXXX 100644
37
index XXXXXXX..XXXXXXX 100644
18
--- a/target/arm/translate.c
38
--- a/docs/system/target-arm.rst
19
+++ b/target/arm/translate.c
39
+++ b/docs/system/target-arm.rst
20
@@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
40
@@ -XXX,XX +XXX,XX @@ undocumented; you can get a complete list by running
21
TCGv_i32 tmp2;
41
arm/aspeed
22
TCGv_i64 tmp64;
42
arm/sabrelite
23
43
arm/digic
24
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
44
+ arm/cubieboard
25
+ return 1;
45
arm/musicpal
26
+ }
46
arm/gumstix
27
+
47
arm/nrf
28
/* FIXME: this access check should not take precedence over UNDEF
48
diff --git a/MAINTAINERS b/MAINTAINERS
29
* for invalid encodings; we will generate incorrect syndrome information
49
index XXXXXXX..XXXXXXX 100644
30
* for attempts to execute invalid vfp/neon encodings with FP disabled.
50
--- a/MAINTAINERS
31
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
51
+++ b/MAINTAINERS
32
TCGv_ptr ptr1, ptr2, ptr3;
52
@@ -XXX,XX +XXX,XX @@ S: Odd Fixes
33
TCGv_i64 tmp64;
53
F: hw/*/allwinner*
34
54
F: include/hw/*/allwinner*
35
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
55
F: hw/arm/cubieboard.c
36
+ return 1;
56
+F: docs/system/arm/cubieboard.rst
37
+ }
57
38
+
58
Allwinner-h3
39
/* FIXME: this access check should not take precedence over UNDEF
59
M: Niek Linnenbank <nieklinnenbank@gmail.com>
40
* for invalid encodings; we will generate incorrect syndrome information
41
* for attempts to execute invalid vfp/neon encodings with FP disabled.
42
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
43
44
if (((insn >> 25) & 7) == 1) {
45
/* NEON Data processing. */
46
- if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
47
- goto illegal_op;
48
- }
49
-
50
if (disas_neon_data_insn(s, insn)) {
51
goto illegal_op;
52
}
53
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
54
}
55
if ((insn & 0x0f100000) == 0x04000000) {
56
/* NEON load/store. */
57
- if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
58
- goto illegal_op;
59
- }
60
-
61
if (disas_neon_ls_insn(s, insn)) {
62
goto illegal_op;
63
}
64
--
60
--
65
2.20.1
61
2.20.1
66
62
67
63
diff view generated by jsdifflib
1
Add the infrastructure for building and invoking a decodetree decoder
1
Add skeletal documentation of the emcraft-sf2 machine.
2
for the AArch32 Neon encodings. At the moment the new decoder covers
3
nothing, so we always fall back to the existing hand-written decode.
4
5
We follow the same pattern we did for the VFP decodetree conversion
6
(commit 78e138bc1f672c145ef6ace74617d and following): code that deals
7
with Neon will be moving gradually out to translate-neon.vfp.inc,
8
which we #include into translate.c.
9
10
In order to share the decode files between A32 and T32, we
11
split Neon into 3 parts:
12
* data-processing
13
* load-store
14
* 'shared' encodings
15
16
The first two groups of instructions have similar but not identical
17
A32 and T32 encodings, so we need to manually transform the T32
18
encoding into the A32 one before calling the decoder; the third group
19
covers the Neon instructions which are identical in A32 and T32.
20
2
21
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
22
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
23
Message-id: 20200430181003.21682-4-peter.maydell@linaro.org
5
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
6
Message-id: 20210713142226.19155-3-peter.maydell@linaro.org
24
---
7
---
25
target/arm/neon-dp.decode | 29 ++++++++++++++++++++++++++
8
docs/system/arm/emcraft-sf2.rst | 15 +++++++++++++++
26
target/arm/neon-ls.decode | 29 ++++++++++++++++++++++++++
9
docs/system/target-arm.rst | 1 +
27
target/arm/neon-shared.decode | 27 +++++++++++++++++++++++++
10
MAINTAINERS | 1 +
28
target/arm/translate-neon.inc.c | 32 +++++++++++++++++++++++++++++
11
3 files changed, 17 insertions(+)
29
target/arm/translate.c | 36 +++++++++++++++++++++++++++++++--
12
create mode 100644 docs/system/arm/emcraft-sf2.rst
30
target/arm/Makefile.objs | 18 +++++++++++++++++
31
6 files changed, 169 insertions(+), 2 deletions(-)
32
create mode 100644 target/arm/neon-dp.decode
33
create mode 100644 target/arm/neon-ls.decode
34
create mode 100644 target/arm/neon-shared.decode
35
create mode 100644 target/arm/translate-neon.inc.c
36
13
37
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
14
diff --git a/docs/system/arm/emcraft-sf2.rst b/docs/system/arm/emcraft-sf2.rst
38
new file mode 100644
15
new file mode 100644
39
index XXXXXXX..XXXXXXX
16
index XXXXXXX..XXXXXXX
40
--- /dev/null
17
--- /dev/null
41
+++ b/target/arm/neon-dp.decode
18
+++ b/docs/system/arm/emcraft-sf2.rst
42
@@ -XXX,XX +XXX,XX @@
19
@@ -XXX,XX +XXX,XX @@
43
+# AArch32 Neon data-processing instruction descriptions
20
+Emcraft SmartFusion2 SOM kit (``emcraft-sf2``)
44
+#
21
+==============================================
45
+# Copyright (c) 2020 Linaro, Ltd
46
+#
47
+# This library is free software; you can redistribute it and/or
48
+# modify it under the terms of the GNU Lesser General Public
49
+# License as published by the Free Software Foundation; either
50
+# version 2 of the License, or (at your option) any later version.
51
+#
52
+# This library is distributed in the hope that it will be useful,
53
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
54
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
55
+# Lesser General Public License for more details.
56
+#
57
+# You should have received a copy of the GNU Lesser General Public
58
+# License along with this library; if not, see <http://www.gnu.org/licenses/>.
59
+
22
+
60
+#
23
+The ``emcraft-sf2`` board emulates the SmartFusion2 SOM kit from
61
+# This file is processed by scripts/decodetree.py
24
+Emcraft (M2S010). This is a System-on-Module from EmCraft systems,
62
+#
25
+based on the SmartFusion2 SoC FPGA from Microsemi Corporation.
26
+The SoC is based on a Cortex-M4 processor.
63
+
27
+
64
+# Encodings for Neon data processing instructions where the T32 encoding
28
+Emulated devices:
65
+# is a simple transformation of the A32 encoding.
66
+# More specifically, this file covers instructions where the A32 encoding is
67
+# 0b1111_001p_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq
68
+# and the T32 encoding is
69
+# 0b111p_1111_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq
70
+# This file works on the A32 encoding only; calling code for T32 has to
71
+# transform the insn into the A32 version first.
72
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
73
new file mode 100644
74
index XXXXXXX..XXXXXXX
75
--- /dev/null
76
+++ b/target/arm/neon-ls.decode
77
@@ -XXX,XX +XXX,XX @@
78
+# AArch32 Neon load/store instruction descriptions
79
+#
80
+# Copyright (c) 2020 Linaro, Ltd
81
+#
82
+# This library is free software; you can redistribute it and/or
83
+# modify it under the terms of the GNU Lesser General Public
84
+# License as published by the Free Software Foundation; either
85
+# version 2 of the License, or (at your option) any later version.
86
+#
87
+# This library is distributed in the hope that it will be useful,
88
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
89
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
90
+# Lesser General Public License for more details.
91
+#
92
+# You should have received a copy of the GNU Lesser General Public
93
+# License along with this library; if not, see <http://www.gnu.org/licenses/>.
94
+
29
+
95
+#
30
+- System timer
96
+# This file is processed by scripts/decodetree.py
31
+- System registers
97
+#
32
+- SPI controller
98
+
33
+- UART
99
+# Encodings for Neon load/store instructions where the T32 encoding
34
+- EMAC
100
+# is a simple transformation of the A32 encoding.
35
diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst
101
+# More specifically, this file covers instructions where the A32 encoding is
102
+# 0b1111_0100_xxx0_xxxx_xxxx_xxxx_xxxx_xxxx
103
+# and the T32 encoding is
104
+# 0b1111_1001_xxx0_xxxx_xxxx_xxxx_xxxx_xxxx
105
+# This file works on the A32 encoding only; calling code for T32 has to
106
+# transform the insn into the A32 version first.
107
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
108
new file mode 100644
109
index XXXXXXX..XXXXXXX
110
--- /dev/null
111
+++ b/target/arm/neon-shared.decode
112
@@ -XXX,XX +XXX,XX @@
113
+# AArch32 Neon instruction descriptions
114
+#
115
+# Copyright (c) 2020 Linaro, Ltd
116
+#
117
+# This library is free software; you can redistribute it and/or
118
+# modify it under the terms of the GNU Lesser General Public
119
+# License as published by the Free Software Foundation; either
120
+# version 2 of the License, or (at your option) any later version.
121
+#
122
+# This library is distributed in the hope that it will be useful,
123
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
124
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
125
+# Lesser General Public License for more details.
126
+#
127
+# You should have received a copy of the GNU Lesser General Public
128
+# License along with this library; if not, see <http://www.gnu.org/licenses/>.
129
+
130
+#
131
+# This file is processed by scripts/decodetree.py
132
+#
133
+
134
+# Encodings for Neon instructions whose encoding is the same for
135
+# both A32 and T32.
136
+
137
+# More specifically, this covers:
138
+# 2reg scalar ext: 0b1111_1110_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
139
+# 3same ext: 0b1111_110x_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
140
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
141
new file mode 100644
142
index XXXXXXX..XXXXXXX
143
--- /dev/null
144
+++ b/target/arm/translate-neon.inc.c
145
@@ -XXX,XX +XXX,XX @@
146
+/*
147
+ * ARM translation: AArch32 Neon instructions
148
+ *
149
+ * Copyright (c) 2003 Fabrice Bellard
150
+ * Copyright (c) 2005-2007 CodeSourcery
151
+ * Copyright (c) 2007 OpenedHand, Ltd.
152
+ * Copyright (c) 2020 Linaro, Ltd.
153
+ *
154
+ * This library is free software; you can redistribute it and/or
155
+ * modify it under the terms of the GNU Lesser General Public
156
+ * License as published by the Free Software Foundation; either
157
+ * version 2 of the License, or (at your option) any later version.
158
+ *
159
+ * This library is distributed in the hope that it will be useful,
160
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
161
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
162
+ * Lesser General Public License for more details.
163
+ *
164
+ * You should have received a copy of the GNU Lesser General Public
165
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
166
+ */
167
+
168
+/*
169
+ * This file is intended to be included from translate.c; it uses
170
+ * some macros and definitions provided by that file.
171
+ * It might be possible to convert it to a standalone .c file eventually.
172
+ */
173
+
174
+/* Include the generated Neon decoder */
175
+#include "decode-neon-dp.inc.c"
176
+#include "decode-neon-ls.inc.c"
177
+#include "decode-neon-shared.inc.c"
178
diff --git a/target/arm/translate.c b/target/arm/translate.c
179
index XXXXXXX..XXXXXXX 100644
36
index XXXXXXX..XXXXXXX 100644
180
--- a/target/arm/translate.c
37
--- a/docs/system/target-arm.rst
181
+++ b/target/arm/translate.c
38
+++ b/docs/system/target-arm.rst
182
@@ -XXX,XX +XXX,XX @@ static TCGv_ptr vfp_reg_ptr(bool dp, int reg)
39
@@ -XXX,XX +XXX,XX @@ undocumented; you can get a complete list by running
183
40
arm/sabrelite
184
#define ARM_CP_RW_BIT (1 << 20)
41
arm/digic
185
42
arm/cubieboard
186
-/* Include the VFP decoder */
43
+ arm/emcraft-sf2
187
+/* Include the VFP and Neon decoders */
44
arm/musicpal
188
#include "translate-vfp.inc.c"
45
arm/gumstix
189
+#include "translate-neon.inc.c"
46
arm/nrf
190
47
diff --git a/MAINTAINERS b/MAINTAINERS
191
static inline void iwmmxt_load_reg(TCGv_i64 var, int reg)
192
{
193
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
194
/* Unconditional instructions. */
195
/* TODO: Perhaps merge these into one decodetree output file. */
196
if (disas_a32_uncond(s, insn) ||
197
- disas_vfp_uncond(s, insn)) {
198
+ disas_vfp_uncond(s, insn) ||
199
+ disas_neon_dp(s, insn) ||
200
+ disas_neon_ls(s, insn) ||
201
+ disas_neon_shared(s, insn)) {
202
return;
203
}
204
/* fall back to legacy decoder */
205
@@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
206
ARCH(6T2);
207
}
208
209
+ if ((insn & 0xef000000) == 0xef000000) {
210
+ /*
211
+ * T32 encodings 0b111p_1111_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq
212
+ * transform into
213
+ * A32 encodings 0b1111_001p_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq
214
+ */
215
+ uint32_t a32_insn = (insn & 0xe2ffffff) |
216
+ ((insn & (1 << 28)) >> 4) | (1 << 28);
217
+
218
+ if (disas_neon_dp(s, a32_insn)) {
219
+ return;
220
+ }
221
+ }
222
+
223
+ if ((insn & 0xff100000) == 0xf9000000) {
224
+ /*
225
+ * T32 encodings 0b1111_1001_ppp0_qqqq_qqqq_qqqq_qqqq_qqqq
226
+ * transform into
227
+ * A32 encodings 0b1111_0100_ppp0_qqqq_qqqq_qqqq_qqqq_qqqq
228
+ */
229
+ uint32_t a32_insn = (insn & 0x00ffffff) | 0xf4000000;
230
+
231
+ if (disas_neon_ls(s, a32_insn)) {
232
+ return;
233
+ }
234
+ }
235
+
236
/*
237
* TODO: Perhaps merge these into one decodetree output file.
238
* Note disas_vfp is written for a32 with cond field in the
239
@@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
240
*/
241
if (disas_t32(s, insn) ||
242
disas_vfp_uncond(s, insn) ||
243
+ disas_neon_shared(s, insn) ||
244
((insn >> 28) == 0xe && disas_vfp(s, insn))) {
245
return;
246
}
247
diff --git a/target/arm/Makefile.objs b/target/arm/Makefile.objs
248
index XXXXXXX..XXXXXXX 100644
48
index XXXXXXX..XXXXXXX 100644
249
--- a/target/arm/Makefile.objs
49
--- a/MAINTAINERS
250
+++ b/target/arm/Makefile.objs
50
+++ b/MAINTAINERS
251
@@ -XXX,XX +XXX,XX @@ target/arm/decode-sve.inc.c: $(SRC_PATH)/target/arm/sve.decode $(DECODETREE)
51
@@ -XXX,XX +XXX,XX @@ M: Peter Maydell <peter.maydell@linaro.org>
252
     $(PYTHON) $(DECODETREE) --decode disas_sve -o $@ $<,\
52
L: qemu-arm@nongnu.org
253
     "GEN", $(TARGET_DIR)$@)
53
S: Maintained
254
54
F: hw/arm/msf2-som.c
255
+target/arm/decode-neon-shared.inc.c: $(SRC_PATH)/target/arm/neon-shared.decode $(DECODETREE)
55
+F: docs/system/arm/emcraft-sf2.rst
256
+    $(call quiet-command,\
56
257
+     $(PYTHON) $(DECODETREE) --static-decode disas_neon_shared -o $@ $<,\
57
ASPEED BMCs
258
+     "GEN", $(TARGET_DIR)$@)
58
M: Cédric Le Goater <clg@kaod.org>
259
+
260
+target/arm/decode-neon-dp.inc.c: $(SRC_PATH)/target/arm/neon-dp.decode $(DECODETREE)
261
+    $(call quiet-command,\
262
+     $(PYTHON) $(DECODETREE) --static-decode disas_neon_dp -o $@ $<,\
263
+     "GEN", $(TARGET_DIR)$@)
264
+
265
+target/arm/decode-neon-ls.inc.c: $(SRC_PATH)/target/arm/neon-ls.decode $(DECODETREE)
266
+    $(call quiet-command,\
267
+     $(PYTHON) $(DECODETREE) --static-decode disas_neon_ls -o $@ $<,\
268
+     "GEN", $(TARGET_DIR)$@)
269
+
270
target/arm/decode-vfp.inc.c: $(SRC_PATH)/target/arm/vfp.decode $(DECODETREE)
271
    $(call quiet-command,\
272
     $(PYTHON) $(DECODETREE) --static-decode disas_vfp -o $@ $<,\
273
@@ -XXX,XX +XXX,XX @@ target/arm/decode-t16.inc.c: $(SRC_PATH)/target/arm/t16.decode $(DECODETREE)
274
     "GEN", $(TARGET_DIR)$@)
275
276
target/arm/translate-sve.o: target/arm/decode-sve.inc.c
277
+target/arm/translate.o: target/arm/decode-neon-shared.inc.c
278
+target/arm/translate.o: target/arm/decode-neon-dp.inc.c
279
+target/arm/translate.o: target/arm/decode-neon-ls.inc.c
280
target/arm/translate.o: target/arm/decode-vfp.inc.c
281
target/arm/translate.o: target/arm/decode-vfp-uncond.inc.c
282
target/arm/translate.o: target/arm/decode-a32.inc.c
283
--
59
--
284
2.20.1
60
2.20.1
285
61
286
62
diff view generated by jsdifflib
1
Somewhere along theline we accidentally added a duplicate
1
Add skeletal documentation for the highbank and midway machines.
2
"using D16-D31 when they don't exist" check to do_vfm_dp()
3
(probably an artifact of a patchseries rebase). Remove it.
4
2
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
5
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
8
Message-id: 20200430181003.21682-2-peter.maydell@linaro.org
6
Message-id: 20210713142226.19155-4-peter.maydell@linaro.org
9
---
7
---
10
target/arm/translate-vfp.inc.c | 6 ------
8
docs/system/arm/highbank.rst | 19 +++++++++++++++++++
11
1 file changed, 6 deletions(-)
9
docs/system/target-arm.rst | 1 +
10
MAINTAINERS | 1 +
11
3 files changed, 21 insertions(+)
12
create mode 100644 docs/system/arm/highbank.rst
12
13
13
diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c
14
diff --git a/docs/system/arm/highbank.rst b/docs/system/arm/highbank.rst
15
new file mode 100644
16
index XXXXXXX..XXXXXXX
17
--- /dev/null
18
+++ b/docs/system/arm/highbank.rst
19
@@ -XXX,XX +XXX,XX @@
20
+Calxeda Highbank and Midway (``highbank``, ``midway``)
21
+======================================================
22
+
23
+``highbank`` is a model of the Calxeda Highbank (ECX-1000) system,
24
+which has four Cortex-A9 cores.
25
+
26
+``midway`` is a model of the Calxeda Midway (ECX-2000) system,
27
+which has four Cortex-A15 cores.
28
+
29
+Emulated devices:
30
+
31
+- L2x0 cache controller
32
+- SP804 dual timer
33
+- PL011 UART
34
+- PL061 GPIOs
35
+- PL031 RTC
36
+- PL022 synchronous serial port controller
37
+- AHCI
38
+- XGMAC ethernet controllers
39
diff --git a/docs/system/target-arm.rst b/docs/system/target-arm.rst
14
index XXXXXXX..XXXXXXX 100644
40
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/translate-vfp.inc.c
41
--- a/docs/system/target-arm.rst
16
+++ b/target/arm/translate-vfp.inc.c
42
+++ b/docs/system/target-arm.rst
17
@@ -XXX,XX +XXX,XX @@ static bool do_vfm_dp(DisasContext *s, arg_VFMA_dp *a, bool neg_n, bool neg_d)
43
@@ -XXX,XX +XXX,XX @@ undocumented; you can get a complete list by running
18
return false;
44
arm/digic
19
}
45
arm/cubieboard
20
46
arm/emcraft-sf2
21
- /* UNDEF accesses to D16-D31 if they don't exist. */
47
+ arm/highbank
22
- if (!dc_isar_feature(aa32_simd_r32, s) &&
48
arm/musicpal
23
- ((a->vd | a->vn | a->vm) & 0x10)) {
49
arm/gumstix
24
- return false;
50
arm/nrf
25
- }
51
diff --git a/MAINTAINERS b/MAINTAINERS
26
-
52
index XXXXXXX..XXXXXXX 100644
27
if (!vfp_access_check(s)) {
53
--- a/MAINTAINERS
28
return true;
54
+++ b/MAINTAINERS
29
}
55
@@ -XXX,XX +XXX,XX @@ L: qemu-arm@nongnu.org
56
S: Odd Fixes
57
F: hw/arm/highbank.c
58
F: hw/net/xgmac.c
59
+F: docs/system/arm/highbank.rst
60
61
Canon DIGIC
62
M: Antony Pavlov <antonynpavlov@gmail.com>
30
--
63
--
31
2.20.1
64
2.20.1
32
65
33
66
diff view generated by jsdifflib
Deleted patch
1
Convert the VCMLA (vector) insns in the 3same extension group to
2
decodetree.
3
1
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Message-id: 20200430181003.21682-5-peter.maydell@linaro.org
7
---
8
target/arm/neon-shared.decode | 11 ++++++++++
9
target/arm/translate-neon.inc.c | 37 +++++++++++++++++++++++++++++++++
10
target/arm/translate.c | 11 +---------
11
3 files changed, 49 insertions(+), 10 deletions(-)
12
13
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
14
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-shared.decode
16
+++ b/target/arm/neon-shared.decode
17
@@ -XXX,XX +XXX,XX @@
18
# More specifically, this covers:
19
# 2reg scalar ext: 0b1111_1110_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
20
# 3same ext: 0b1111_110x_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
21
+
22
+# VFP/Neon register fields; same as vfp.decode
23
+%vm_dp 5:1 0:4
24
+%vm_sp 0:4 5:1
25
+%vn_dp 7:1 16:4
26
+%vn_sp 16:4 7:1
27
+%vd_dp 22:1 12:4
28
+%vd_sp 12:4 22:1
29
+
30
+VCMLA 1111 110 rot:2 . 1 size:1 .... .... 1000 . q:1 . 0 .... \
31
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
32
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
33
index XXXXXXX..XXXXXXX 100644
34
--- a/target/arm/translate-neon.inc.c
35
+++ b/target/arm/translate-neon.inc.c
36
@@ -XXX,XX +XXX,XX @@
37
#include "decode-neon-dp.inc.c"
38
#include "decode-neon-ls.inc.c"
39
#include "decode-neon-shared.inc.c"
40
+
41
+static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a)
42
+{
43
+ int opr_sz;
44
+ TCGv_ptr fpst;
45
+ gen_helper_gvec_3_ptr *fn_gvec_ptr;
46
+
47
+ if (!dc_isar_feature(aa32_vcma, s)
48
+ || (!a->size && !dc_isar_feature(aa32_fp16_arith, s))) {
49
+ return false;
50
+ }
51
+
52
+ /* UNDEF accesses to D16-D31 if they don't exist. */
53
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
54
+ ((a->vd | a->vn | a->vm) & 0x10)) {
55
+ return false;
56
+ }
57
+
58
+ if ((a->vn | a->vm | a->vd) & a->q) {
59
+ return false;
60
+ }
61
+
62
+ if (!vfp_access_check(s)) {
63
+ return true;
64
+ }
65
+
66
+ opr_sz = (1 + a->q) * 8;
67
+ fpst = get_fpstatus_ptr(1);
68
+ fn_gvec_ptr = a->size ? gen_helper_gvec_fcmlas : gen_helper_gvec_fcmlah;
69
+ tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
70
+ vfp_reg_offset(1, a->vn),
71
+ vfp_reg_offset(1, a->vm),
72
+ fpst, opr_sz, opr_sz, a->rot,
73
+ fn_gvec_ptr);
74
+ tcg_temp_free_ptr(fpst);
75
+ return true;
76
+}
77
diff --git a/target/arm/translate.c b/target/arm/translate.c
78
index XXXXXXX..XXXXXXX 100644
79
--- a/target/arm/translate.c
80
+++ b/target/arm/translate.c
81
@@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn)
82
bool is_long = false, q = extract32(insn, 6, 1);
83
bool ptr_is_env = false;
84
85
- if ((insn & 0xfe200f10) == 0xfc200800) {
86
- /* VCMLA -- 1111 110R R.1S .... .... 1000 ...0 .... */
87
- int size = extract32(insn, 20, 1);
88
- data = extract32(insn, 23, 2); /* rot */
89
- if (!dc_isar_feature(aa32_vcma, s)
90
- || (!size && !dc_isar_feature(aa32_fp16_arith, s))) {
91
- return 1;
92
- }
93
- fn_gvec_ptr = size ? gen_helper_gvec_fcmlas : gen_helper_gvec_fcmlah;
94
- } else if ((insn & 0xfea00f10) == 0xfc800800) {
95
+ if ((insn & 0xfea00f10) == 0xfc800800) {
96
/* VCADD -- 1111 110R 1.0S .... .... 1000 ...0 .... */
97
int size = extract32(insn, 20, 1);
98
data = extract32(insn, 24, 1); /* rot */
99
--
100
2.20.1
101
102
diff view generated by jsdifflib
Deleted patch
1
Convert the VCADD (vector) insns to decodetree.
2
1
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
5
Message-id: 20200430181003.21682-6-peter.maydell@linaro.org
6
---
7
target/arm/neon-shared.decode | 3 +++
8
target/arm/translate-neon.inc.c | 37 +++++++++++++++++++++++++++++++++
9
target/arm/translate.c | 11 +---------
10
3 files changed, 41 insertions(+), 10 deletions(-)
11
12
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
13
index XXXXXXX..XXXXXXX 100644
14
--- a/target/arm/neon-shared.decode
15
+++ b/target/arm/neon-shared.decode
16
@@ -XXX,XX +XXX,XX @@
17
18
VCMLA 1111 110 rot:2 . 1 size:1 .... .... 1000 . q:1 . 0 .... \
19
vm=%vm_dp vn=%vn_dp vd=%vd_dp
20
+
21
+VCADD 1111 110 rot:1 1 . 0 size:1 .... .... 1000 . q:1 . 0 .... \
22
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
23
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
24
index XXXXXXX..XXXXXXX 100644
25
--- a/target/arm/translate-neon.inc.c
26
+++ b/target/arm/translate-neon.inc.c
27
@@ -XXX,XX +XXX,XX @@ static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a)
28
tcg_temp_free_ptr(fpst);
29
return true;
30
}
31
+
32
+static bool trans_VCADD(DisasContext *s, arg_VCADD *a)
33
+{
34
+ int opr_sz;
35
+ TCGv_ptr fpst;
36
+ gen_helper_gvec_3_ptr *fn_gvec_ptr;
37
+
38
+ if (!dc_isar_feature(aa32_vcma, s)
39
+ || (!a->size && !dc_isar_feature(aa32_fp16_arith, s))) {
40
+ return false;
41
+ }
42
+
43
+ /* UNDEF accesses to D16-D31 if they don't exist. */
44
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
45
+ ((a->vd | a->vn | a->vm) & 0x10)) {
46
+ return false;
47
+ }
48
+
49
+ if ((a->vn | a->vm | a->vd) & a->q) {
50
+ return false;
51
+ }
52
+
53
+ if (!vfp_access_check(s)) {
54
+ return true;
55
+ }
56
+
57
+ opr_sz = (1 + a->q) * 8;
58
+ fpst = get_fpstatus_ptr(1);
59
+ fn_gvec_ptr = a->size ? gen_helper_gvec_fcadds : gen_helper_gvec_fcaddh;
60
+ tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
61
+ vfp_reg_offset(1, a->vn),
62
+ vfp_reg_offset(1, a->vm),
63
+ fpst, opr_sz, opr_sz, a->rot,
64
+ fn_gvec_ptr);
65
+ tcg_temp_free_ptr(fpst);
66
+ return true;
67
+}
68
diff --git a/target/arm/translate.c b/target/arm/translate.c
69
index XXXXXXX..XXXXXXX 100644
70
--- a/target/arm/translate.c
71
+++ b/target/arm/translate.c
72
@@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn)
73
bool is_long = false, q = extract32(insn, 6, 1);
74
bool ptr_is_env = false;
75
76
- if ((insn & 0xfea00f10) == 0xfc800800) {
77
- /* VCADD -- 1111 110R 1.0S .... .... 1000 ...0 .... */
78
- int size = extract32(insn, 20, 1);
79
- data = extract32(insn, 24, 1); /* rot */
80
- if (!dc_isar_feature(aa32_vcma, s)
81
- || (!size && !dc_isar_feature(aa32_fp16_arith, s))) {
82
- return 1;
83
- }
84
- fn_gvec_ptr = size ? gen_helper_gvec_fcadds : gen_helper_gvec_fcaddh;
85
- } else if ((insn & 0xfeb00f00) == 0xfc200d00) {
86
+ if ((insn & 0xfeb00f00) == 0xfc200d00) {
87
/* V[US]DOT -- 1111 1100 0.10 .... .... 1101 .Q.U .... */
88
bool u = extract32(insn, 4, 1);
89
if (!dc_isar_feature(aa32_dp, s)) {
90
--
91
2.20.1
92
93
diff view generated by jsdifflib
Deleted patch
1
Convert the V[US]DOT (vector) insns to decodetree.
2
1
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
5
Message-id: 20200430181003.21682-7-peter.maydell@linaro.org
6
---
7
target/arm/neon-shared.decode | 4 ++++
8
target/arm/translate-neon.inc.c | 32 ++++++++++++++++++++++++++++++++
9
target/arm/translate.c | 9 +--------
10
3 files changed, 37 insertions(+), 8 deletions(-)
11
12
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
13
index XXXXXXX..XXXXXXX 100644
14
--- a/target/arm/neon-shared.decode
15
+++ b/target/arm/neon-shared.decode
16
@@ -XXX,XX +XXX,XX @@ VCMLA 1111 110 rot:2 . 1 size:1 .... .... 1000 . q:1 . 0 .... \
17
18
VCADD 1111 110 rot:1 1 . 0 size:1 .... .... 1000 . q:1 . 0 .... \
19
vm=%vm_dp vn=%vn_dp vd=%vd_dp
20
+
21
+# VUDOT and VSDOT
22
+VDOT 1111 110 00 . 10 .... .... 1101 . q:1 . u:1 .... \
23
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
24
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
25
index XXXXXXX..XXXXXXX 100644
26
--- a/target/arm/translate-neon.inc.c
27
+++ b/target/arm/translate-neon.inc.c
28
@@ -XXX,XX +XXX,XX @@ static bool trans_VCADD(DisasContext *s, arg_VCADD *a)
29
tcg_temp_free_ptr(fpst);
30
return true;
31
}
32
+
33
+static bool trans_VDOT(DisasContext *s, arg_VDOT *a)
34
+{
35
+ int opr_sz;
36
+ gen_helper_gvec_3 *fn_gvec;
37
+
38
+ if (!dc_isar_feature(aa32_dp, s)) {
39
+ return false;
40
+ }
41
+
42
+ /* UNDEF accesses to D16-D31 if they don't exist. */
43
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
44
+ ((a->vd | a->vn | a->vm) & 0x10)) {
45
+ return false;
46
+ }
47
+
48
+ if ((a->vn | a->vm | a->vd) & a->q) {
49
+ return false;
50
+ }
51
+
52
+ if (!vfp_access_check(s)) {
53
+ return true;
54
+ }
55
+
56
+ opr_sz = (1 + a->q) * 8;
57
+ fn_gvec = a->u ? gen_helper_gvec_udot_b : gen_helper_gvec_sdot_b;
58
+ tcg_gen_gvec_3_ool(vfp_reg_offset(1, a->vd),
59
+ vfp_reg_offset(1, a->vn),
60
+ vfp_reg_offset(1, a->vm),
61
+ opr_sz, opr_sz, 0, fn_gvec);
62
+ return true;
63
+}
64
diff --git a/target/arm/translate.c b/target/arm/translate.c
65
index XXXXXXX..XXXXXXX 100644
66
--- a/target/arm/translate.c
67
+++ b/target/arm/translate.c
68
@@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn)
69
bool is_long = false, q = extract32(insn, 6, 1);
70
bool ptr_is_env = false;
71
72
- if ((insn & 0xfeb00f00) == 0xfc200d00) {
73
- /* V[US]DOT -- 1111 1100 0.10 .... .... 1101 .Q.U .... */
74
- bool u = extract32(insn, 4, 1);
75
- if (!dc_isar_feature(aa32_dp, s)) {
76
- return 1;
77
- }
78
- fn_gvec = u ? gen_helper_gvec_udot_b : gen_helper_gvec_sdot_b;
79
- } else if ((insn & 0xff300f10) == 0xfc200810) {
80
+ if ((insn & 0xff300f10) == 0xfc200810) {
81
/* VFM[AS]L -- 1111 1100 S.10 .... .... 1000 .Q.1 .... */
82
int is_s = extract32(insn, 23, 1);
83
if (!dc_isar_feature(aa32_fhm, s)) {
84
--
85
2.20.1
86
87
diff view generated by jsdifflib
Deleted patch
1
Convert the VFM[AS]L (vector) insns to decodetree. This is the last
2
insn in the legacy decoder for the 3same_ext group, so we can
3
delete the legacy decoder function for the group entirely.
4
1
5
Note that in disas_thumb2_insn() the parts of this encoding space
6
where the decodetree decoder returns false will correctly be directed
7
to illegal_op by the "(insn & (1 << 28))" check so they won't fall
8
into disas_coproc_insn() by mistake.
9
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
12
Message-id: 20200430181003.21682-8-peter.maydell@linaro.org
13
---
14
target/arm/neon-shared.decode | 6 +++
15
target/arm/translate-neon.inc.c | 31 +++++++++++
16
target/arm/translate.c | 92 +--------------------------------
17
3 files changed, 38 insertions(+), 91 deletions(-)
18
19
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
20
index XXXXXXX..XXXXXXX 100644
21
--- a/target/arm/neon-shared.decode
22
+++ b/target/arm/neon-shared.decode
23
@@ -XXX,XX +XXX,XX @@ VCADD 1111 110 rot:1 1 . 0 size:1 .... .... 1000 . q:1 . 0 .... \
24
# VUDOT and VSDOT
25
VDOT 1111 110 00 . 10 .... .... 1101 . q:1 . u:1 .... \
26
vm=%vm_dp vn=%vn_dp vd=%vd_dp
27
+
28
+# VFM[AS]L
29
+VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
30
+ vm=%vm_sp vn=%vn_sp vd=%vd_dp q=0
31
+VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
32
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
33
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
34
index XXXXXXX..XXXXXXX 100644
35
--- a/target/arm/translate-neon.inc.c
36
+++ b/target/arm/translate-neon.inc.c
37
@@ -XXX,XX +XXX,XX @@ static bool trans_VDOT(DisasContext *s, arg_VDOT *a)
38
opr_sz, opr_sz, 0, fn_gvec);
39
return true;
40
}
41
+
42
+static bool trans_VFML(DisasContext *s, arg_VFML *a)
43
+{
44
+ int opr_sz;
45
+
46
+ if (!dc_isar_feature(aa32_fhm, s)) {
47
+ return false;
48
+ }
49
+
50
+ /* UNDEF accesses to D16-D31 if they don't exist. */
51
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
52
+ (a->vd & 0x10)) {
53
+ return false;
54
+ }
55
+
56
+ if (a->vd & a->q) {
57
+ return false;
58
+ }
59
+
60
+ if (!vfp_access_check(s)) {
61
+ return true;
62
+ }
63
+
64
+ opr_sz = (1 + a->q) * 8;
65
+ tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
66
+ vfp_reg_offset(a->q, a->vn),
67
+ vfp_reg_offset(a->q, a->vm),
68
+ cpu_env, opr_sz, opr_sz, a->s, /* is_2 == 0 */
69
+ gen_helper_gvec_fmlal_a32);
70
+ return true;
71
+}
72
diff --git a/target/arm/translate.c b/target/arm/translate.c
73
index XXXXXXX..XXXXXXX 100644
74
--- a/target/arm/translate.c
75
+++ b/target/arm/translate.c
76
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
77
return 0;
78
}
79
80
-/* Advanced SIMD three registers of the same length extension.
81
- * 31 25 23 22 20 16 12 11 10 9 8 3 0
82
- * +---------------+-----+---+-----+----+----+---+----+---+----+---------+----+
83
- * | 1 1 1 1 1 1 0 | op1 | D | op2 | Vn | Vd | 1 | o3 | 0 | o4 | N Q M U | Vm |
84
- * +---------------+-----+---+-----+----+----+---+----+---+----+---------+----+
85
- */
86
-static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn)
87
-{
88
- gen_helper_gvec_3 *fn_gvec = NULL;
89
- gen_helper_gvec_3_ptr *fn_gvec_ptr = NULL;
90
- int rd, rn, rm, opr_sz;
91
- int data = 0;
92
- int off_rn, off_rm;
93
- bool is_long = false, q = extract32(insn, 6, 1);
94
- bool ptr_is_env = false;
95
-
96
- if ((insn & 0xff300f10) == 0xfc200810) {
97
- /* VFM[AS]L -- 1111 1100 S.10 .... .... 1000 .Q.1 .... */
98
- int is_s = extract32(insn, 23, 1);
99
- if (!dc_isar_feature(aa32_fhm, s)) {
100
- return 1;
101
- }
102
- is_long = true;
103
- data = is_s; /* is_2 == 0 */
104
- fn_gvec_ptr = gen_helper_gvec_fmlal_a32;
105
- ptr_is_env = true;
106
- } else {
107
- return 1;
108
- }
109
-
110
- VFP_DREG_D(rd, insn);
111
- if (rd & q) {
112
- return 1;
113
- }
114
- if (q || !is_long) {
115
- VFP_DREG_N(rn, insn);
116
- VFP_DREG_M(rm, insn);
117
- if ((rn | rm) & q & !is_long) {
118
- return 1;
119
- }
120
- off_rn = vfp_reg_offset(1, rn);
121
- off_rm = vfp_reg_offset(1, rm);
122
- } else {
123
- rn = VFP_SREG_N(insn);
124
- rm = VFP_SREG_M(insn);
125
- off_rn = vfp_reg_offset(0, rn);
126
- off_rm = vfp_reg_offset(0, rm);
127
- }
128
-
129
- if (s->fp_excp_el) {
130
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF,
131
- syn_simd_access_trap(1, 0xe, false), s->fp_excp_el);
132
- return 0;
133
- }
134
- if (!s->vfp_enabled) {
135
- return 1;
136
- }
137
-
138
- opr_sz = (1 + q) * 8;
139
- if (fn_gvec_ptr) {
140
- TCGv_ptr ptr;
141
- if (ptr_is_env) {
142
- ptr = cpu_env;
143
- } else {
144
- ptr = get_fpstatus_ptr(1);
145
- }
146
- tcg_gen_gvec_3_ptr(vfp_reg_offset(1, rd), off_rn, off_rm, ptr,
147
- opr_sz, opr_sz, data, fn_gvec_ptr);
148
- if (!ptr_is_env) {
149
- tcg_temp_free_ptr(ptr);
150
- }
151
- } else {
152
- tcg_gen_gvec_3_ool(vfp_reg_offset(1, rd), off_rn, off_rm,
153
- opr_sz, opr_sz, data, fn_gvec);
154
- }
155
- return 0;
156
-}
157
-
158
/* Advanced SIMD two registers and a scalar extension.
159
* 31 24 23 22 20 16 12 11 10 9 8 3 0
160
* +-----------------+----+---+----+----+----+---+----+---+----+---------+----+
161
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
162
}
163
}
164
}
165
- } else if ((insn & 0x0e000a00) == 0x0c000800
166
- && arm_dc_feature(s, ARM_FEATURE_V8)) {
167
- if (disas_neon_insn_3same_ext(s, insn)) {
168
- goto illegal_op;
169
- }
170
- return;
171
} else if ((insn & 0x0f000a00) == 0x0e000800
172
&& arm_dc_feature(s, ARM_FEATURE_V8)) {
173
if (disas_neon_insn_2reg_scalar_ext(s, insn)) {
174
@@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
175
}
176
break;
177
}
178
- if ((insn & 0xfe000a00) == 0xfc000800
179
+ if ((insn & 0xff000a00) == 0xfe000800
180
&& arm_dc_feature(s, ARM_FEATURE_V8)) {
181
/* The Thumb2 and ARM encodings are identical. */
182
- if (disas_neon_insn_3same_ext(s, insn)) {
183
- goto illegal_op;
184
- }
185
- } else if ((insn & 0xff000a00) == 0xfe000800
186
- && arm_dc_feature(s, ARM_FEATURE_V8)) {
187
- /* The Thumb2 and ARM encodings are identical. */
188
if (disas_neon_insn_2reg_scalar_ext(s, insn)) {
189
goto illegal_op;
190
}
191
--
192
2.20.1
193
194
diff view generated by jsdifflib
Deleted patch
1
Convert the V[US]DOT (scalar) insns in the 2reg-scalar-ext group
2
to decodetree.
3
1
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Message-id: 20200430181003.21682-10-peter.maydell@linaro.org
7
---
8
target/arm/neon-shared.decode | 3 +++
9
target/arm/translate-neon.inc.c | 35 +++++++++++++++++++++++++++++++++
10
target/arm/translate.c | 13 +-----------
11
3 files changed, 39 insertions(+), 12 deletions(-)
12
13
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
14
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-shared.decode
16
+++ b/target/arm/neon-shared.decode
17
@@ -XXX,XX +XXX,XX @@ VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
18
vn=%vn_dp vd=%vd_dp size=0
19
VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
20
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=1 index=0
21
+
22
+VDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 u:1 rm:4 \
23
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
24
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
25
index XXXXXXX..XXXXXXX 100644
26
--- a/target/arm/translate-neon.inc.c
27
+++ b/target/arm/translate-neon.inc.c
28
@@ -XXX,XX +XXX,XX @@ static bool trans_VCMLA_scalar(DisasContext *s, arg_VCMLA_scalar *a)
29
tcg_temp_free_ptr(fpst);
30
return true;
31
}
32
+
33
+static bool trans_VDOT_scalar(DisasContext *s, arg_VDOT_scalar *a)
34
+{
35
+ gen_helper_gvec_3 *fn_gvec;
36
+ int opr_sz;
37
+ TCGv_ptr fpst;
38
+
39
+ if (!dc_isar_feature(aa32_dp, s)) {
40
+ return false;
41
+ }
42
+
43
+ /* UNDEF accesses to D16-D31 if they don't exist. */
44
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
45
+ ((a->vd | a->vn) & 0x10)) {
46
+ return false;
47
+ }
48
+
49
+ if ((a->vd | a->vn) & a->q) {
50
+ return false;
51
+ }
52
+
53
+ if (!vfp_access_check(s)) {
54
+ return true;
55
+ }
56
+
57
+ fn_gvec = a->u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b;
58
+ opr_sz = (1 + a->q) * 8;
59
+ fpst = get_fpstatus_ptr(1);
60
+ tcg_gen_gvec_3_ool(vfp_reg_offset(1, a->vd),
61
+ vfp_reg_offset(1, a->vn),
62
+ vfp_reg_offset(1, a->rm),
63
+ opr_sz, opr_sz, a->index, fn_gvec);
64
+ tcg_temp_free_ptr(fpst);
65
+ return true;
66
+}
67
diff --git a/target/arm/translate.c b/target/arm/translate.c
68
index XXXXXXX..XXXXXXX 100644
69
--- a/target/arm/translate.c
70
+++ b/target/arm/translate.c
71
@@ -XXX,XX +XXX,XX @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn)
72
bool is_long = false, q = extract32(insn, 6, 1);
73
bool ptr_is_env = false;
74
75
- if ((insn & 0xffb00f00) == 0xfe200d00) {
76
- /* V[US]DOT -- 1111 1110 0.10 .... .... 1101 .Q.U .... */
77
- int u = extract32(insn, 4, 1);
78
-
79
- if (!dc_isar_feature(aa32_dp, s)) {
80
- return 1;
81
- }
82
- fn_gvec = u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b;
83
- /* rm is just Vm, and index is M. */
84
- data = extract32(insn, 5, 1); /* index */
85
- rm = extract32(insn, 0, 4);
86
- } else if ((insn & 0xffa00f10) == 0xfe000810) {
87
+ if ((insn & 0xffa00f10) == 0xfe000810) {
88
/* VFM[AS]L -- 1111 1110 0.0S .... .... 1000 .Q.1 .... */
89
int is_s = extract32(insn, 20, 1);
90
int vm20 = extract32(insn, 0, 3);
91
--
92
2.20.1
93
94
diff view generated by jsdifflib
Deleted patch
1
Convert the VFM[AS]L (scalar) insns in the 2reg-scalar-ext group
2
to decodetree. These are the last ones in the group so we can remove
3
all the legacy decode for the group.
4
1
5
Note that in disas_thumb2_insn() the parts of this encoding space
6
where the decodetree decoder returns false will correctly be directed
7
to illegal_op by the "(insn & (1 << 28))" check so they won't fall
8
into disas_coproc_insn() by mistake.
9
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
11
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
12
Message-id: 20200430181003.21682-11-peter.maydell@linaro.org
13
---
14
target/arm/neon-shared.decode | 7 +++
15
target/arm/translate-neon.inc.c | 32 ++++++++++
16
target/arm/translate.c | 107 +-------------------------------
17
3 files changed, 40 insertions(+), 106 deletions(-)
18
19
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
20
index XXXXXXX..XXXXXXX 100644
21
--- a/target/arm/neon-shared.decode
22
+++ b/target/arm/neon-shared.decode
23
@@ -XXX,XX +XXX,XX @@ VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
24
25
VDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 u:1 rm:4 \
26
vm=%vm_dp vn=%vn_dp vd=%vd_dp
27
+
28
+%vfml_scalar_q0_rm 0:3 5:1
29
+%vfml_scalar_q1_index 5:1 3:1
30
+VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 0 . 1 index:1 ... \
31
+ rm=%vfml_scalar_q0_rm vn=%vn_sp vd=%vd_dp q=0
32
+VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 1 . 1 . rm:3 \
33
+ index=%vfml_scalar_q1_index vn=%vn_dp vd=%vd_dp q=1
34
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
35
index XXXXXXX..XXXXXXX 100644
36
--- a/target/arm/translate-neon.inc.c
37
+++ b/target/arm/translate-neon.inc.c
38
@@ -XXX,XX +XXX,XX @@ static bool trans_VDOT_scalar(DisasContext *s, arg_VDOT_scalar *a)
39
tcg_temp_free_ptr(fpst);
40
return true;
41
}
42
+
43
+static bool trans_VFML_scalar(DisasContext *s, arg_VFML_scalar *a)
44
+{
45
+ int opr_sz;
46
+
47
+ if (!dc_isar_feature(aa32_fhm, s)) {
48
+ return false;
49
+ }
50
+
51
+ /* UNDEF accesses to D16-D31 if they don't exist. */
52
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
53
+ ((a->vd & 0x10) || (a->q && (a->vn & 0x10)))) {
54
+ return false;
55
+ }
56
+
57
+ if (a->vd & a->q) {
58
+ return false;
59
+ }
60
+
61
+ if (!vfp_access_check(s)) {
62
+ return true;
63
+ }
64
+
65
+ opr_sz = (1 + a->q) * 8;
66
+ tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
67
+ vfp_reg_offset(a->q, a->vn),
68
+ vfp_reg_offset(a->q, a->rm),
69
+ cpu_env, opr_sz, opr_sz,
70
+ (a->index << 2) | a->s, /* is_2 == 0 */
71
+ gen_helper_gvec_fmlal_idx_a32);
72
+ return true;
73
+}
74
diff --git a/target/arm/translate.c b/target/arm/translate.c
75
index XXXXXXX..XXXXXXX 100644
76
--- a/target/arm/translate.c
77
+++ b/target/arm/translate.c
78
@@ -XXX,XX +XXX,XX @@ static int disas_dsp_insn(DisasContext *s, uint32_t insn)
79
}
80
81
#define VFP_REG_SHR(x, n) (((n) > 0) ? (x) >> (n) : (x) << -(n))
82
-#define VFP_SREG(insn, bigbit, smallbit) \
83
- ((VFP_REG_SHR(insn, bigbit - 1) & 0x1e) | (((insn) >> (smallbit)) & 1))
84
#define VFP_DREG(reg, insn, bigbit, smallbit) do { \
85
if (dc_isar_feature(aa32_simd_r32, s)) { \
86
reg = (((insn) >> (bigbit)) & 0x0f) \
87
@@ -XXX,XX +XXX,XX @@ static int disas_dsp_insn(DisasContext *s, uint32_t insn)
88
reg = ((insn) >> (bigbit)) & 0x0f; \
89
}} while (0)
90
91
-#define VFP_SREG_D(insn) VFP_SREG(insn, 12, 22)
92
#define VFP_DREG_D(reg, insn) VFP_DREG(reg, insn, 12, 22)
93
-#define VFP_SREG_N(insn) VFP_SREG(insn, 16, 7)
94
#define VFP_DREG_N(reg, insn) VFP_DREG(reg, insn, 16, 7)
95
-#define VFP_SREG_M(insn) VFP_SREG(insn, 0, 5)
96
#define VFP_DREG_M(reg, insn) VFP_DREG(reg, insn, 0, 5)
97
98
static void gen_neon_dup_low16(TCGv_i32 var)
99
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
100
return 0;
101
}
102
103
-/* Advanced SIMD two registers and a scalar extension.
104
- * 31 24 23 22 20 16 12 11 10 9 8 3 0
105
- * +-----------------+----+---+----+----+----+---+----+---+----+---------+----+
106
- * | 1 1 1 1 1 1 1 0 | o1 | D | o2 | Vn | Vd | 1 | o3 | 0 | o4 | N Q M U | Vm |
107
- * +-----------------+----+---+----+----+----+---+----+---+----+---------+----+
108
- *
109
- */
110
-
111
-static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn)
112
-{
113
- gen_helper_gvec_3 *fn_gvec = NULL;
114
- gen_helper_gvec_3_ptr *fn_gvec_ptr = NULL;
115
- int rd, rn, rm, opr_sz, data;
116
- int off_rn, off_rm;
117
- bool is_long = false, q = extract32(insn, 6, 1);
118
- bool ptr_is_env = false;
119
-
120
- if ((insn & 0xffa00f10) == 0xfe000810) {
121
- /* VFM[AS]L -- 1111 1110 0.0S .... .... 1000 .Q.1 .... */
122
- int is_s = extract32(insn, 20, 1);
123
- int vm20 = extract32(insn, 0, 3);
124
- int vm3 = extract32(insn, 3, 1);
125
- int m = extract32(insn, 5, 1);
126
- int index;
127
-
128
- if (!dc_isar_feature(aa32_fhm, s)) {
129
- return 1;
130
- }
131
- if (q) {
132
- rm = vm20;
133
- index = m * 2 + vm3;
134
- } else {
135
- rm = vm20 * 2 + m;
136
- index = vm3;
137
- }
138
- is_long = true;
139
- data = (index << 2) | is_s; /* is_2 == 0 */
140
- fn_gvec_ptr = gen_helper_gvec_fmlal_idx_a32;
141
- ptr_is_env = true;
142
- } else {
143
- return 1;
144
- }
145
-
146
- VFP_DREG_D(rd, insn);
147
- if (rd & q) {
148
- return 1;
149
- }
150
- if (q || !is_long) {
151
- VFP_DREG_N(rn, insn);
152
- if (rn & q & !is_long) {
153
- return 1;
154
- }
155
- off_rn = vfp_reg_offset(1, rn);
156
- off_rm = vfp_reg_offset(1, rm);
157
- } else {
158
- rn = VFP_SREG_N(insn);
159
- off_rn = vfp_reg_offset(0, rn);
160
- off_rm = vfp_reg_offset(0, rm);
161
- }
162
- if (s->fp_excp_el) {
163
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF,
164
- syn_simd_access_trap(1, 0xe, false), s->fp_excp_el);
165
- return 0;
166
- }
167
- if (!s->vfp_enabled) {
168
- return 1;
169
- }
170
-
171
- opr_sz = (1 + q) * 8;
172
- if (fn_gvec_ptr) {
173
- TCGv_ptr ptr;
174
- if (ptr_is_env) {
175
- ptr = cpu_env;
176
- } else {
177
- ptr = get_fpstatus_ptr(1);
178
- }
179
- tcg_gen_gvec_3_ptr(vfp_reg_offset(1, rd), off_rn, off_rm, ptr,
180
- opr_sz, opr_sz, data, fn_gvec_ptr);
181
- if (!ptr_is_env) {
182
- tcg_temp_free_ptr(ptr);
183
- }
184
- } else {
185
- tcg_gen_gvec_3_ool(vfp_reg_offset(1, rd), off_rn, off_rm,
186
- opr_sz, opr_sz, data, fn_gvec);
187
- }
188
- return 0;
189
-}
190
-
191
static int disas_coproc_insn(DisasContext *s, uint32_t insn)
192
{
193
int cpnum, is64, crn, crm, opc1, opc2, isread, rt, rt2;
194
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
195
}
196
}
197
}
198
- } else if ((insn & 0x0f000a00) == 0x0e000800
199
- && arm_dc_feature(s, ARM_FEATURE_V8)) {
200
- if (disas_neon_insn_2reg_scalar_ext(s, insn)) {
201
- goto illegal_op;
202
- }
203
- return;
204
}
205
goto illegal_op;
206
}
207
@@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
208
}
209
break;
210
}
211
- if ((insn & 0xff000a00) == 0xfe000800
212
- && arm_dc_feature(s, ARM_FEATURE_V8)) {
213
- /* The Thumb2 and ARM encodings are identical. */
214
- if (disas_neon_insn_2reg_scalar_ext(s, insn)) {
215
- goto illegal_op;
216
- }
217
- } else if (((insn >> 24) & 3) == 3) {
218
+ if (((insn >> 24) & 3) == 3) {
219
/* Translate into the equivalent ARM encoding. */
220
insn = (insn & 0xe2ffffff) | ((insn & (1 << 28)) >> 4) | (1 << 28);
221
if (disas_neon_data_insn(s, insn)) {
222
--
223
2.20.1
224
225
diff view generated by jsdifflib
Deleted patch
1
Convert the Neon "load/store multiple structures" insns to decodetree.
2
1
3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
4
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
5
Message-id: 20200430181003.21682-12-peter.maydell@linaro.org
6
---
7
target/arm/neon-ls.decode | 7 ++
8
target/arm/translate-neon.inc.c | 124 ++++++++++++++++++++++++++++++++
9
target/arm/translate.c | 91 +----------------------
10
3 files changed, 133 insertions(+), 89 deletions(-)
11
12
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
13
index XXXXXXX..XXXXXXX 100644
14
--- a/target/arm/neon-ls.decode
15
+++ b/target/arm/neon-ls.decode
16
@@ -XXX,XX +XXX,XX @@
17
# 0b1111_1001_xxx0_xxxx_xxxx_xxxx_xxxx_xxxx
18
# This file works on the A32 encoding only; calling code for T32 has to
19
# transform the insn into the A32 version first.
20
+
21
+%vd_dp 22:1 12:4
22
+
23
+# Neon load/store multiple structures
24
+
25
+VLDST_multiple 1111 0100 0 . l:1 0 rn:4 .... itype:4 size:2 align:2 rm:4 \
26
+ vd=%vd_dp
27
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
28
index XXXXXXX..XXXXXXX 100644
29
--- a/target/arm/translate-neon.inc.c
30
+++ b/target/arm/translate-neon.inc.c
31
@@ -XXX,XX +XXX,XX @@ static bool trans_VFML_scalar(DisasContext *s, arg_VFML_scalar *a)
32
gen_helper_gvec_fmlal_idx_a32);
33
return true;
34
}
35
+
36
+static struct {
37
+ int nregs;
38
+ int interleave;
39
+ int spacing;
40
+} const neon_ls_element_type[11] = {
41
+ {1, 4, 1},
42
+ {1, 4, 2},
43
+ {4, 1, 1},
44
+ {2, 2, 2},
45
+ {1, 3, 1},
46
+ {1, 3, 2},
47
+ {3, 1, 1},
48
+ {1, 1, 1},
49
+ {1, 2, 1},
50
+ {1, 2, 2},
51
+ {2, 1, 1}
52
+};
53
+
54
+static void gen_neon_ldst_base_update(DisasContext *s, int rm, int rn,
55
+ int stride)
56
+{
57
+ if (rm != 15) {
58
+ TCGv_i32 base;
59
+
60
+ base = load_reg(s, rn);
61
+ if (rm == 13) {
62
+ tcg_gen_addi_i32(base, base, stride);
63
+ } else {
64
+ TCGv_i32 index;
65
+ index = load_reg(s, rm);
66
+ tcg_gen_add_i32(base, base, index);
67
+ tcg_temp_free_i32(index);
68
+ }
69
+ store_reg(s, rn, base);
70
+ }
71
+}
72
+
73
+static bool trans_VLDST_multiple(DisasContext *s, arg_VLDST_multiple *a)
74
+{
75
+ /* Neon load/store multiple structures */
76
+ int nregs, interleave, spacing, reg, n;
77
+ MemOp endian = s->be_data;
78
+ int mmu_idx = get_mem_index(s);
79
+ int size = a->size;
80
+ TCGv_i64 tmp64;
81
+ TCGv_i32 addr, tmp;
82
+
83
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
84
+ return false;
85
+ }
86
+
87
+ /* UNDEF accesses to D16-D31 if they don't exist */
88
+ if (!dc_isar_feature(aa32_simd_r32, s) && (a->vd & 0x10)) {
89
+ return false;
90
+ }
91
+ if (a->itype > 10) {
92
+ return false;
93
+ }
94
+ /* Catch UNDEF cases for bad values of align field */
95
+ switch (a->itype & 0xc) {
96
+ case 4:
97
+ if (a->align >= 2) {
98
+ return false;
99
+ }
100
+ break;
101
+ case 8:
102
+ if (a->align == 3) {
103
+ return false;
104
+ }
105
+ break;
106
+ default:
107
+ break;
108
+ }
109
+ nregs = neon_ls_element_type[a->itype].nregs;
110
+ interleave = neon_ls_element_type[a->itype].interleave;
111
+ spacing = neon_ls_element_type[a->itype].spacing;
112
+ if (size == 3 && (interleave | spacing) != 1) {
113
+ return false;
114
+ }
115
+
116
+ if (!vfp_access_check(s)) {
117
+ return true;
118
+ }
119
+
120
+ /* For our purposes, bytes are always little-endian. */
121
+ if (size == 0) {
122
+ endian = MO_LE;
123
+ }
124
+ /*
125
+ * Consecutive little-endian elements from a single register
126
+ * can be promoted to a larger little-endian operation.
127
+ */
128
+ if (interleave == 1 && endian == MO_LE) {
129
+ size = 3;
130
+ }
131
+ tmp64 = tcg_temp_new_i64();
132
+ addr = tcg_temp_new_i32();
133
+ tmp = tcg_const_i32(1 << size);
134
+ load_reg_var(s, addr, a->rn);
135
+ for (reg = 0; reg < nregs; reg++) {
136
+ for (n = 0; n < 8 >> size; n++) {
137
+ int xs;
138
+ for (xs = 0; xs < interleave; xs++) {
139
+ int tt = a->vd + reg + spacing * xs;
140
+
141
+ if (a->l) {
142
+ gen_aa32_ld_i64(s, tmp64, addr, mmu_idx, endian | size);
143
+ neon_store_element64(tt, n, size, tmp64);
144
+ } else {
145
+ neon_load_element64(tmp64, tt, n, size);
146
+ gen_aa32_st_i64(s, tmp64, addr, mmu_idx, endian | size);
147
+ }
148
+ tcg_gen_add_i32(addr, addr, tmp);
149
+ }
150
+ }
151
+ }
152
+ tcg_temp_free_i32(addr);
153
+ tcg_temp_free_i32(tmp);
154
+ tcg_temp_free_i64(tmp64);
155
+
156
+ gen_neon_ldst_base_update(s, a->rm, a->rn, nregs * interleave * 8);
157
+ return true;
158
+}
159
diff --git a/target/arm/translate.c b/target/arm/translate.c
160
index XXXXXXX..XXXXXXX 100644
161
--- a/target/arm/translate.c
162
+++ b/target/arm/translate.c
163
@@ -XXX,XX +XXX,XX @@ static void gen_neon_trn_u16(TCGv_i32 t0, TCGv_i32 t1)
164
}
165
166
167
-static struct {
168
- int nregs;
169
- int interleave;
170
- int spacing;
171
-} const neon_ls_element_type[11] = {
172
- {1, 4, 1},
173
- {1, 4, 2},
174
- {4, 1, 1},
175
- {2, 2, 2},
176
- {1, 3, 1},
177
- {1, 3, 2},
178
- {3, 1, 1},
179
- {1, 1, 1},
180
- {1, 2, 1},
181
- {1, 2, 2},
182
- {2, 1, 1}
183
-};
184
-
185
/* Translate a NEON load/store element instruction. Return nonzero if the
186
instruction is invalid. */
187
static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
188
{
189
int rd, rn, rm;
190
- int op;
191
int nregs;
192
- int interleave;
193
- int spacing;
194
int stride;
195
int size;
196
int reg;
197
int load;
198
- int n;
199
int vec_size;
200
- int mmu_idx;
201
- MemOp endian;
202
TCGv_i32 addr;
203
TCGv_i32 tmp;
204
- TCGv_i32 tmp2;
205
- TCGv_i64 tmp64;
206
207
if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
208
return 1;
209
@@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
210
rn = (insn >> 16) & 0xf;
211
rm = insn & 0xf;
212
load = (insn & (1 << 21)) != 0;
213
- endian = s->be_data;
214
- mmu_idx = get_mem_index(s);
215
if ((insn & (1 << 23)) == 0) {
216
- /* Load store all elements. */
217
- op = (insn >> 8) & 0xf;
218
- size = (insn >> 6) & 3;
219
- if (op > 10)
220
- return 1;
221
- /* Catch UNDEF cases for bad values of align field */
222
- switch (op & 0xc) {
223
- case 4:
224
- if (((insn >> 5) & 1) == 1) {
225
- return 1;
226
- }
227
- break;
228
- case 8:
229
- if (((insn >> 4) & 3) == 3) {
230
- return 1;
231
- }
232
- break;
233
- default:
234
- break;
235
- }
236
- nregs = neon_ls_element_type[op].nregs;
237
- interleave = neon_ls_element_type[op].interleave;
238
- spacing = neon_ls_element_type[op].spacing;
239
- if (size == 3 && (interleave | spacing) != 1) {
240
- return 1;
241
- }
242
- /* For our purposes, bytes are always little-endian. */
243
- if (size == 0) {
244
- endian = MO_LE;
245
- }
246
- /* Consecutive little-endian elements from a single register
247
- * can be promoted to a larger little-endian operation.
248
- */
249
- if (interleave == 1 && endian == MO_LE) {
250
- size = 3;
251
- }
252
- tmp64 = tcg_temp_new_i64();
253
- addr = tcg_temp_new_i32();
254
- tmp2 = tcg_const_i32(1 << size);
255
- load_reg_var(s, addr, rn);
256
- for (reg = 0; reg < nregs; reg++) {
257
- for (n = 0; n < 8 >> size; n++) {
258
- int xs;
259
- for (xs = 0; xs < interleave; xs++) {
260
- int tt = rd + reg + spacing * xs;
261
-
262
- if (load) {
263
- gen_aa32_ld_i64(s, tmp64, addr, mmu_idx, endian | size);
264
- neon_store_element64(tt, n, size, tmp64);
265
- } else {
266
- neon_load_element64(tmp64, tt, n, size);
267
- gen_aa32_st_i64(s, tmp64, addr, mmu_idx, endian | size);
268
- }
269
- tcg_gen_add_i32(addr, addr, tmp2);
270
- }
271
- }
272
- }
273
- tcg_temp_free_i32(addr);
274
- tcg_temp_free_i32(tmp2);
275
- tcg_temp_free_i64(tmp64);
276
- stride = nregs * interleave * 8;
277
+ /* Load store all elements -- handled already by decodetree */
278
+ return 1;
279
} else {
280
size = (insn >> 10) & 3;
281
if (size == 3) {
282
--
283
2.20.1
284
285
diff view generated by jsdifflib
1
Convert the Neon "load/store single structure to one lane" insns to
1
The Neon and SVE decoders use private 'plus1' functions to implement
2
decodetree.
2
"add one" for the !function decoder syntax. We have a generic
3
3
"plus_1" function in translate.h, so use that instead.
4
As this is the last set of insns in the neon load/store group,
5
we can remove the whole disas_neon_ls_insn() function.
6
4
7
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
9
Message-id: 20200430181003.21682-14-peter.maydell@linaro.org
7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
8
Message-id: 20210715095341.701-1-peter.maydell@linaro.org
10
---
9
---
11
target/arm/neon-ls.decode | 11 +++
10
target/arm/neon-ls.decode | 4 ++--
12
target/arm/translate-neon.inc.c | 89 +++++++++++++++++++
11
target/arm/neon-shared.decode | 2 +-
13
target/arm/translate.c | 147 --------------------------------
12
target/arm/sve.decode | 2 +-
14
3 files changed, 100 insertions(+), 147 deletions(-)
13
target/arm/translate-neon.c | 5 -----
14
target/arm/translate-sve.c | 5 -----
15
5 files changed, 4 insertions(+), 14 deletions(-)
15
16
16
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
17
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
17
index XXXXXXX..XXXXXXX 100644
18
index XXXXXXX..XXXXXXX 100644
18
--- a/target/arm/neon-ls.decode
19
--- a/target/arm/neon-ls.decode
19
+++ b/target/arm/neon-ls.decode
20
+++ b/target/arm/neon-ls.decode
20
@@ -XXX,XX +XXX,XX @@ VLDST_multiple 1111 0100 0 . l:1 0 rn:4 .... itype:4 size:2 align:2 rm:4 \
21
@@ -XXX,XX +XXX,XX @@ VLD_all_lanes 1111 0100 1 . 1 0 rn:4 .... 11 n:2 size:2 t:1 a:1 rm:4 \
21
22
VLD_all_lanes 1111 0100 1 . 1 0 rn:4 .... 11 n:2 size:2 t:1 a:1 rm:4 \
23
vd=%vd_dp
22
vd=%vd_dp
24
+
23
25
+# Neon load/store single structure to one lane
24
# Neon load/store single structure to one lane
26
+%imm1_5_p1 5:1 !function=plus1
25
-%imm1_5_p1 5:1 !function=plus1
27
+%imm1_6_p1 6:1 !function=plus1
26
-%imm1_6_p1 6:1 !function=plus1
28
+
27
+%imm1_5_p1 5:1 !function=plus_1
29
+VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 00 n:2 reg_idx:3 align:1 rm:4 \
28
+%imm1_6_p1 6:1 !function=plus_1
30
+ vd=%vd_dp size=0 stride=1
29
31
+VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 01 n:2 reg_idx:2 align:2 rm:4 \
30
VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 00 n:2 reg_idx:3 align:1 rm:4 \
32
+ vd=%vd_dp size=1 stride=%imm1_5_p1
31
vd=%vd_dp size=0 stride=1
33
+VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 10 n:2 reg_idx:1 align:3 rm:4 \
32
diff --git a/target/arm/neon-shared.decode b/target/arm/neon-shared.decode
34
+ vd=%vd_dp size=2 stride=%imm1_6_p1
35
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
36
index XXXXXXX..XXXXXXX 100644
33
index XXXXXXX..XXXXXXX 100644
37
--- a/target/arm/translate-neon.inc.c
34
--- a/target/arm/neon-shared.decode
38
+++ b/target/arm/translate-neon.inc.c
35
+++ b/target/arm/neon-shared.decode
39
@@ -XXX,XX +XXX,XX @@
36
@@ -XXX,XX +XXX,XX @@
40
* It might be possible to convert it to a standalone .c file eventually.
37
# which is 0 for fp16 and 1 for fp32 into a MO_* constant.
41
*/
38
# (Note that this is the reverse of the sense of the 1-bit size
42
39
# field in the 3same_fp Neon insns.)
43
+static inline int plus1(DisasContext *s, int x)
40
-%vcadd_size 20:1 !function=plus1
44
+{
41
+%vcadd_size 20:1 !function=plus_1
45
+ return x + 1;
42
46
+}
43
VCMLA 1111 110 rot:2 . 1 . .... .... 1000 . q:1 . 0 .... \
47
+
44
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%vcadd_size
48
/* Include the generated Neon decoder */
45
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
49
#include "decode-neon-dp.inc.c"
50
#include "decode-neon-ls.inc.c"
51
@@ -XXX,XX +XXX,XX @@ static bool trans_VLD_all_lanes(DisasContext *s, arg_VLD_all_lanes *a)
52
53
return true;
54
}
55
+
56
+static bool trans_VLDST_single(DisasContext *s, arg_VLDST_single *a)
57
+{
58
+ /* Neon load/store single structure to one lane */
59
+ int reg;
60
+ int nregs = a->n + 1;
61
+ int vd = a->vd;
62
+ TCGv_i32 addr, tmp;
63
+
64
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
65
+ return false;
66
+ }
67
+
68
+ /* UNDEF accesses to D16-D31 if they don't exist */
69
+ if (!dc_isar_feature(aa32_simd_r32, s) && (a->vd & 0x10)) {
70
+ return false;
71
+ }
72
+
73
+ /* Catch the UNDEF cases. This is unavoidably a bit messy. */
74
+ switch (nregs) {
75
+ case 1:
76
+ if (((a->align & (1 << a->size)) != 0) ||
77
+ (a->size == 2 && ((a->align & 3) == 1 || (a->align & 3) == 2))) {
78
+ return false;
79
+ }
80
+ break;
81
+ case 3:
82
+ if ((a->align & 1) != 0) {
83
+ return false;
84
+ }
85
+ /* fall through */
86
+ case 2:
87
+ if (a->size == 2 && (a->align & 2) != 0) {
88
+ return false;
89
+ }
90
+ break;
91
+ case 4:
92
+ if ((a->size == 2) && ((a->align & 3) == 3)) {
93
+ return false;
94
+ }
95
+ break;
96
+ default:
97
+ abort();
98
+ }
99
+ if ((vd + a->stride * (nregs - 1)) > 31) {
100
+ /*
101
+ * Attempts to write off the end of the register file are
102
+ * UNPREDICTABLE; we choose to UNDEF because otherwise we would
103
+ * access off the end of the array that holds the register data.
104
+ */
105
+ return false;
106
+ }
107
+
108
+ if (!vfp_access_check(s)) {
109
+ return true;
110
+ }
111
+
112
+ tmp = tcg_temp_new_i32();
113
+ addr = tcg_temp_new_i32();
114
+ load_reg_var(s, addr, a->rn);
115
+ /*
116
+ * TODO: if we implemented alignment exceptions, we should check
117
+ * addr against the alignment encoded in a->align here.
118
+ */
119
+ for (reg = 0; reg < nregs; reg++) {
120
+ if (a->l) {
121
+ gen_aa32_ld_i32(s, tmp, addr, get_mem_index(s),
122
+ s->be_data | a->size);
123
+ neon_store_element(vd, a->reg_idx, a->size, tmp);
124
+ } else { /* Store */
125
+ neon_load_element(tmp, vd, a->reg_idx, a->size);
126
+ gen_aa32_st_i32(s, tmp, addr, get_mem_index(s),
127
+ s->be_data | a->size);
128
+ }
129
+ vd += a->stride;
130
+ tcg_gen_addi_i32(addr, addr, 1 << a->size);
131
+ }
132
+ tcg_temp_free_i32(addr);
133
+ tcg_temp_free_i32(tmp);
134
+
135
+ gen_neon_ldst_base_update(s, a->rm, a->rn, (1 << a->size) * nregs);
136
+
137
+ return true;
138
+}
139
diff --git a/target/arm/translate.c b/target/arm/translate.c
140
index XXXXXXX..XXXXXXX 100644
46
index XXXXXXX..XXXXXXX 100644
141
--- a/target/arm/translate.c
47
--- a/target/arm/sve.decode
142
+++ b/target/arm/translate.c
48
+++ b/target/arm/sve.decode
143
@@ -XXX,XX +XXX,XX @@ static void gen_neon_trn_u16(TCGv_i32 t0, TCGv_i32 t1)
49
@@ -XXX,XX +XXX,XX @@
144
tcg_temp_free_i32(rd);
50
###########################################################################
145
}
51
# Named fields. These are primarily for disjoint fields.
146
52
147
-
53
-%imm4_16_p1 16:4 !function=plus1
148
-/* Translate a NEON load/store element instruction. Return nonzero if the
54
+%imm4_16_p1 16:4 !function=plus_1
149
- instruction is invalid. */
55
%imm6_22_5 22:1 5:5
150
-static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
56
%imm7_22_16 22:2 16:5
57
%imm8_16_10 16:5 10:3
58
diff --git a/target/arm/translate-neon.c b/target/arm/translate-neon.c
59
index XXXXXXX..XXXXXXX 100644
60
--- a/target/arm/translate-neon.c
61
+++ b/target/arm/translate-neon.c
62
@@ -XXX,XX +XXX,XX @@
63
#include "translate.h"
64
#include "translate-a32.h"
65
66
-static inline int plus1(DisasContext *s, int x)
151
-{
67
-{
152
- int rd, rn, rm;
68
- return x + 1;
153
- int nregs;
154
- int stride;
155
- int size;
156
- int reg;
157
- int load;
158
- TCGv_i32 addr;
159
- TCGv_i32 tmp;
160
-
161
- if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
162
- return 1;
163
- }
164
-
165
- /* FIXME: this access check should not take precedence over UNDEF
166
- * for invalid encodings; we will generate incorrect syndrome information
167
- * for attempts to execute invalid vfp/neon encodings with FP disabled.
168
- */
169
- if (s->fp_excp_el) {
170
- gen_exception_insn(s, s->pc_curr, EXCP_UDEF,
171
- syn_simd_access_trap(1, 0xe, false), s->fp_excp_el);
172
- return 0;
173
- }
174
-
175
- if (!s->vfp_enabled)
176
- return 1;
177
- VFP_DREG_D(rd, insn);
178
- rn = (insn >> 16) & 0xf;
179
- rm = insn & 0xf;
180
- load = (insn & (1 << 21)) != 0;
181
- if ((insn & (1 << 23)) == 0) {
182
- /* Load store all elements -- handled already by decodetree */
183
- return 1;
184
- } else {
185
- size = (insn >> 10) & 3;
186
- if (size == 3) {
187
- /* Load single element to all lanes -- handled by decodetree */
188
- return 1;
189
- } else {
190
- /* Single element. */
191
- int idx = (insn >> 4) & 0xf;
192
- int reg_idx;
193
- switch (size) {
194
- case 0:
195
- reg_idx = (insn >> 5) & 7;
196
- stride = 1;
197
- break;
198
- case 1:
199
- reg_idx = (insn >> 6) & 3;
200
- stride = (insn & (1 << 5)) ? 2 : 1;
201
- break;
202
- case 2:
203
- reg_idx = (insn >> 7) & 1;
204
- stride = (insn & (1 << 6)) ? 2 : 1;
205
- break;
206
- default:
207
- abort();
208
- }
209
- nregs = ((insn >> 8) & 3) + 1;
210
- /* Catch the UNDEF cases. This is unavoidably a bit messy. */
211
- switch (nregs) {
212
- case 1:
213
- if (((idx & (1 << size)) != 0) ||
214
- (size == 2 && ((idx & 3) == 1 || (idx & 3) == 2))) {
215
- return 1;
216
- }
217
- break;
218
- case 3:
219
- if ((idx & 1) != 0) {
220
- return 1;
221
- }
222
- /* fall through */
223
- case 2:
224
- if (size == 2 && (idx & 2) != 0) {
225
- return 1;
226
- }
227
- break;
228
- case 4:
229
- if ((size == 2) && ((idx & 3) == 3)) {
230
- return 1;
231
- }
232
- break;
233
- default:
234
- abort();
235
- }
236
- if ((rd + stride * (nregs - 1)) > 31) {
237
- /* Attempts to write off the end of the register file
238
- * are UNPREDICTABLE; we choose to UNDEF because otherwise
239
- * the neon_load_reg() would write off the end of the array.
240
- */
241
- return 1;
242
- }
243
- tmp = tcg_temp_new_i32();
244
- addr = tcg_temp_new_i32();
245
- load_reg_var(s, addr, rn);
246
- for (reg = 0; reg < nregs; reg++) {
247
- if (load) {
248
- gen_aa32_ld_i32(s, tmp, addr, get_mem_index(s),
249
- s->be_data | size);
250
- neon_store_element(rd, reg_idx, size, tmp);
251
- } else { /* Store */
252
- neon_load_element(tmp, rd, reg_idx, size);
253
- gen_aa32_st_i32(s, tmp, addr, get_mem_index(s),
254
- s->be_data | size);
255
- }
256
- rd += stride;
257
- tcg_gen_addi_i32(addr, addr, 1 << size);
258
- }
259
- tcg_temp_free_i32(addr);
260
- tcg_temp_free_i32(tmp);
261
- stride = nregs * (1 << size);
262
- }
263
- }
264
- if (rm != 15) {
265
- TCGv_i32 base;
266
-
267
- base = load_reg(s, rn);
268
- if (rm == 13) {
269
- tcg_gen_addi_i32(base, base, stride);
270
- } else {
271
- TCGv_i32 index;
272
- index = load_reg(s, rm);
273
- tcg_gen_add_i32(base, base, index);
274
- tcg_temp_free_i32(index);
275
- }
276
- store_reg(s, rn, base);
277
- }
278
- return 0;
279
-}
69
-}
280
-
70
-
281
static inline void gen_neon_narrow(int size, TCGv_i32 dest, TCGv_i64 src)
71
static inline int neon_3same_fp_size(DisasContext *s, int x)
282
{
72
{
283
switch (size) {
73
/* Convert 0==fp32, 1==fp16 into a MO_* value */
284
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
74
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
285
}
75
index XXXXXXX..XXXXXXX 100644
286
return;
76
--- a/target/arm/translate-sve.c
287
}
77
+++ b/target/arm/translate-sve.c
288
- if ((insn & 0x0f100000) == 0x04000000) {
78
@@ -XXX,XX +XXX,XX @@ static int tszimm_shl(DisasContext *s, int x)
289
- /* NEON load/store. */
79
return x - (8 << tszimm_esz(s, x));
290
- if (disas_neon_ls_insn(s, insn)) {
80
}
291
- goto illegal_op;
81
292
- }
82
-static inline int plus1(DisasContext *s, int x)
293
- return;
83
-{
294
- }
84
- return x + 1;
295
if ((insn & 0x0e000f00) == 0x0c000100) {
85
-}
296
if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) {
86
-
297
/* iWMMXt register transfer. */
87
/* The SH bit is in bit 8. Extract the low 8 and shift. */
298
@@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
88
static inline int expand_imm_sh8s(DisasContext *s, int x)
299
}
89
{
300
break;
301
case 12:
302
- if ((insn & 0x01100000) == 0x01000000) {
303
- if (disas_neon_ls_insn(s, insn)) {
304
- goto illegal_op;
305
- }
306
- break;
307
- }
308
goto illegal_op;
309
default:
310
illegal_op:
311
--
90
--
312
2.20.1
91
2.20.1
313
92
314
93
diff view generated by jsdifflib
Deleted patch
1
Convert the Neon 3-reg-same VADD and VSUB insns to decodetree.
2
1
3
Note that we don't need the neon_3r_sizes[op] check here because all
4
size values are OK for VADD and VSUB; we'll add this when we convert
5
the first insn that has size restrictions.
6
7
For this we need one of the GVecGen*Fn typedefs currently in
8
translate-a64.h; move them all to translate.h as a block so they
9
are visible to the 32-bit decoder.
10
11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
13
Message-id: 20200430181003.21682-15-peter.maydell@linaro.org
14
---
15
target/arm/translate-a64.h | 9 --------
16
target/arm/translate.h | 9 ++++++++
17
target/arm/neon-dp.decode | 17 +++++++++++++++
18
target/arm/translate-neon.inc.c | 38 +++++++++++++++++++++++++++++++++
19
target/arm/translate.c | 14 ++++--------
20
5 files changed, 68 insertions(+), 19 deletions(-)
21
22
diff --git a/target/arm/translate-a64.h b/target/arm/translate-a64.h
23
index XXXXXXX..XXXXXXX 100644
24
--- a/target/arm/translate-a64.h
25
+++ b/target/arm/translate-a64.h
26
@@ -XXX,XX +XXX,XX @@ static inline int vec_full_reg_size(DisasContext *s)
27
28
bool disas_sve(DisasContext *, uint32_t);
29
30
-/* Note that the gvec expanders operate on offsets + sizes. */
31
-typedef void GVecGen2Fn(unsigned, uint32_t, uint32_t, uint32_t, uint32_t);
32
-typedef void GVecGen2iFn(unsigned, uint32_t, uint32_t, int64_t,
33
- uint32_t, uint32_t);
34
-typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t,
35
- uint32_t, uint32_t, uint32_t);
36
-typedef void GVecGen4Fn(unsigned, uint32_t, uint32_t, uint32_t,
37
- uint32_t, uint32_t, uint32_t);
38
-
39
#endif /* TARGET_ARM_TRANSLATE_A64_H */
40
diff --git a/target/arm/translate.h b/target/arm/translate.h
41
index XXXXXXX..XXXXXXX 100644
42
--- a/target/arm/translate.h
43
+++ b/target/arm/translate.h
44
@@ -XXX,XX +XXX,XX @@ void gen_sshl_i64(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b);
45
#define dc_isar_feature(name, ctx) \
46
({ DisasContext *ctx_ = (ctx); isar_feature_##name(ctx_->isar); })
47
48
+/* Note that the gvec expanders operate on offsets + sizes. */
49
+typedef void GVecGen2Fn(unsigned, uint32_t, uint32_t, uint32_t, uint32_t);
50
+typedef void GVecGen2iFn(unsigned, uint32_t, uint32_t, int64_t,
51
+ uint32_t, uint32_t);
52
+typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t,
53
+ uint32_t, uint32_t, uint32_t);
54
+typedef void GVecGen4Fn(unsigned, uint32_t, uint32_t, uint32_t,
55
+ uint32_t, uint32_t, uint32_t);
56
+
57
#endif /* TARGET_ARM_TRANSLATE_H */
58
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
59
index XXXXXXX..XXXXXXX 100644
60
--- a/target/arm/neon-dp.decode
61
+++ b/target/arm/neon-dp.decode
62
@@ -XXX,XX +XXX,XX @@
63
#
64
# This file is processed by scripts/decodetree.py
65
#
66
+# VFP/Neon register fields; same as vfp.decode
67
+%vm_dp 5:1 0:4
68
+%vn_dp 7:1 16:4
69
+%vd_dp 22:1 12:4
70
71
# Encodings for Neon data processing instructions where the T32 encoding
72
# is a simple transformation of the A32 encoding.
73
@@ -XXX,XX +XXX,XX @@
74
# 0b111p_1111_qqqq_qqqq_qqqq_qqqq_qqqq_qqqq
75
# This file works on the A32 encoding only; calling code for T32 has to
76
# transform the insn into the A32 version first.
77
+
78
+######################################################################
79
+# 3-reg-same grouping:
80
+# 1111 001 U 0 D sz:2 Vn:4 Vd:4 opc:4 N Q M op Vm:4
81
+######################################################################
82
+
83
+&3same vm vn vd q size
84
+
85
+@3same .... ... . . . size:2 .... .... .... . q:1 . . .... \
86
+ &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp
87
+
88
+VADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same
89
+VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
90
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
91
index XXXXXXX..XXXXXXX 100644
92
--- a/target/arm/translate-neon.inc.c
93
+++ b/target/arm/translate-neon.inc.c
94
@@ -XXX,XX +XXX,XX @@ static bool trans_VLDST_single(DisasContext *s, arg_VLDST_single *a)
95
96
return true;
97
}
98
+
99
+static bool do_3same(DisasContext *s, arg_3same *a, GVecGen3Fn fn)
100
+{
101
+ int vec_size = a->q ? 16 : 8;
102
+ int rd_ofs = neon_reg_offset(a->vd, 0);
103
+ int rn_ofs = neon_reg_offset(a->vn, 0);
104
+ int rm_ofs = neon_reg_offset(a->vm, 0);
105
+
106
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
107
+ return false;
108
+ }
109
+
110
+ /* UNDEF accesses to D16-D31 if they don't exist. */
111
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
112
+ ((a->vd | a->vn | a->vm) & 0x10)) {
113
+ return false;
114
+ }
115
+
116
+ if ((a->vn | a->vm | a->vd) & a->q) {
117
+ return false;
118
+ }
119
+
120
+ if (!vfp_access_check(s)) {
121
+ return true;
122
+ }
123
+
124
+ fn(a->size, rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size);
125
+ return true;
126
+}
127
+
128
+#define DO_3SAME(INSN, FUNC) \
129
+ static bool trans_##INSN##_3s(DisasContext *s, arg_3same *a) \
130
+ { \
131
+ return do_3same(s, a, FUNC); \
132
+ }
133
+
134
+DO_3SAME(VADD, tcg_gen_gvec_add)
135
+DO_3SAME(VSUB, tcg_gen_gvec_sub)
136
diff --git a/target/arm/translate.c b/target/arm/translate.c
137
index XXXXXXX..XXXXXXX 100644
138
--- a/target/arm/translate.c
139
+++ b/target/arm/translate.c
140
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
141
}
142
return 0;
143
144
- case NEON_3R_VADD_VSUB:
145
- if (u) {
146
- tcg_gen_gvec_sub(size, rd_ofs, rn_ofs, rm_ofs,
147
- vec_size, vec_size);
148
- } else {
149
- tcg_gen_gvec_add(size, rd_ofs, rn_ofs, rm_ofs,
150
- vec_size, vec_size);
151
- }
152
- return 0;
153
-
154
case NEON_3R_VQADD:
155
tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
156
rn_ofs, rm_ofs, vec_size, vec_size,
157
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
158
tcg_gen_gvec_3(rd_ofs, rm_ofs, rn_ofs, vec_size, vec_size,
159
u ? &ushl_op[size] : &sshl_op[size]);
160
return 0;
161
+
162
+ case NEON_3R_VADD_VSUB:
163
+ /* Already handled by decodetree */
164
+ return 1;
165
}
166
167
if (size == 3) {
168
--
169
2.20.1
170
171
diff view generated by jsdifflib
Deleted patch
1
Convert the Neon logic ops in the 3-reg-same grouping to decodetree.
2
Note that for the logic ops the 'size' field forms part of their
3
decode and the actual operations are always bitwise.
4
1
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
7
Message-id: 20200430181003.21682-16-peter.maydell@linaro.org
8
---
9
target/arm/neon-dp.decode | 12 +++++++++++
10
target/arm/translate-neon.inc.c | 19 +++++++++++++++++
11
target/arm/translate.c | 38 +--------------------------------
12
3 files changed, 32 insertions(+), 37 deletions(-)
13
14
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
15
index XXXXXXX..XXXXXXX 100644
16
--- a/target/arm/neon-dp.decode
17
+++ b/target/arm/neon-dp.decode
18
@@ -XXX,XX +XXX,XX @@
19
@3same .... ... . . . size:2 .... .... .... . q:1 . . .... \
20
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp
21
22
+@3same_logic .... ... . . . .. .... .... .... . q:1 .. .... \
23
+ &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp size=0
24
+
25
+VAND_3s 1111 001 0 0 . 00 .... .... 0001 ... 1 .... @3same_logic
26
+VBIC_3s 1111 001 0 0 . 01 .... .... 0001 ... 1 .... @3same_logic
27
+VORR_3s 1111 001 0 0 . 10 .... .... 0001 ... 1 .... @3same_logic
28
+VORN_3s 1111 001 0 0 . 11 .... .... 0001 ... 1 .... @3same_logic
29
+VEOR_3s 1111 001 1 0 . 00 .... .... 0001 ... 1 .... @3same_logic
30
+VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
31
+VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
32
+VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
33
+
34
VADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same
35
VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
36
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
37
index XXXXXXX..XXXXXXX 100644
38
--- a/target/arm/translate-neon.inc.c
39
+++ b/target/arm/translate-neon.inc.c
40
@@ -XXX,XX +XXX,XX @@ static bool do_3same(DisasContext *s, arg_3same *a, GVecGen3Fn fn)
41
42
DO_3SAME(VADD, tcg_gen_gvec_add)
43
DO_3SAME(VSUB, tcg_gen_gvec_sub)
44
+DO_3SAME(VAND, tcg_gen_gvec_and)
45
+DO_3SAME(VBIC, tcg_gen_gvec_andc)
46
+DO_3SAME(VORR, tcg_gen_gvec_or)
47
+DO_3SAME(VORN, tcg_gen_gvec_orc)
48
+DO_3SAME(VEOR, tcg_gen_gvec_xor)
49
+
50
+/* These insns are all gvec_bitsel but with the inputs in various orders. */
51
+#define DO_3SAME_BITSEL(INSN, O1, O2, O3) \
52
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
53
+ uint32_t rn_ofs, uint32_t rm_ofs, \
54
+ uint32_t oprsz, uint32_t maxsz) \
55
+ { \
56
+ tcg_gen_gvec_bitsel(vece, rd_ofs, O1, O2, O3, oprsz, maxsz); \
57
+ } \
58
+ DO_3SAME(INSN, gen_##INSN##_3s)
59
+
60
+DO_3SAME_BITSEL(VBSL, rd_ofs, rn_ofs, rm_ofs)
61
+DO_3SAME_BITSEL(VBIT, rm_ofs, rn_ofs, rd_ofs)
62
+DO_3SAME_BITSEL(VBIF, rm_ofs, rd_ofs, rn_ofs)
63
diff --git a/target/arm/translate.c b/target/arm/translate.c
64
index XXXXXXX..XXXXXXX 100644
65
--- a/target/arm/translate.c
66
+++ b/target/arm/translate.c
67
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
68
}
69
return 1;
70
71
- case NEON_3R_LOGIC: /* Logic ops. */
72
- switch ((u << 2) | size) {
73
- case 0: /* VAND */
74
- tcg_gen_gvec_and(0, rd_ofs, rn_ofs, rm_ofs,
75
- vec_size, vec_size);
76
- break;
77
- case 1: /* VBIC */
78
- tcg_gen_gvec_andc(0, rd_ofs, rn_ofs, rm_ofs,
79
- vec_size, vec_size);
80
- break;
81
- case 2: /* VORR */
82
- tcg_gen_gvec_or(0, rd_ofs, rn_ofs, rm_ofs,
83
- vec_size, vec_size);
84
- break;
85
- case 3: /* VORN */
86
- tcg_gen_gvec_orc(0, rd_ofs, rn_ofs, rm_ofs,
87
- vec_size, vec_size);
88
- break;
89
- case 4: /* VEOR */
90
- tcg_gen_gvec_xor(0, rd_ofs, rn_ofs, rm_ofs,
91
- vec_size, vec_size);
92
- break;
93
- case 5: /* VBSL */
94
- tcg_gen_gvec_bitsel(MO_8, rd_ofs, rd_ofs, rn_ofs, rm_ofs,
95
- vec_size, vec_size);
96
- break;
97
- case 6: /* VBIT */
98
- tcg_gen_gvec_bitsel(MO_8, rd_ofs, rm_ofs, rn_ofs, rd_ofs,
99
- vec_size, vec_size);
100
- break;
101
- case 7: /* VBIF */
102
- tcg_gen_gvec_bitsel(MO_8, rd_ofs, rm_ofs, rd_ofs, rn_ofs,
103
- vec_size, vec_size);
104
- break;
105
- }
106
- return 0;
107
-
108
case NEON_3R_VQADD:
109
tcg_gen_gvec_4(rd_ofs, offsetof(CPUARMState, vfp.qc),
110
rn_ofs, rm_ofs, vec_size, vec_size,
111
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
112
return 0;
113
114
case NEON_3R_VADD_VSUB:
115
+ case NEON_3R_LOGIC:
116
/* Already handled by decodetree */
117
return 1;
118
}
119
--
120
2.20.1
121
122
diff view generated by jsdifflib