1
Most of this is the Neon decodetree patches, followed by Edgar's versal cleanups.
1
It's been quiet on the arm front this week, so all I have is
2
these coverity fixes I posted a while back...
2
3
3
thanks
4
-- PMM
4
-- PMM
5
5
6
The following changes since commit 853546f8128476eefb701d4a55b2781bb3a46faa:
6
7
7
The following changes since commit 2ef486e76d64436be90f7359a3071fb2a56ce835:
8
Merge tag 'pull-loongarch-20240322' of https://gitlab.com/gaosong/qemu into staging (2024-03-22 10:59:57 +0000)
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-20240325
14
13
15
for you to fetch changes up to 9aefc6cf9b73f66062d2f914a0136756e7a28211:
14
for you to fetch changes up to 55c79639d553c1b7a82b4cde781ad5f316f45b0e:
16
15
17
target/arm: Move gen_ function typedefs to translate.h (2020-05-04 12:59:26 +0100)
16
tests/qtest/libqtest.c: Check for g_setenv() failure (2024-03-25 10:41:01 +0000)
18
17
19
----------------------------------------------------------------
18
----------------------------------------------------------------
20
target-arm queue:
19
target-arm queue:
21
* Start of conversion of Neon insns to decodetree
20
* Fixes for seven minor coverity issues
22
* versal board: support SD and RTC
23
* Implement ARMv8.2-TTS2UXN
24
* Make VQDMULL undefined when U=1
25
* Some minor code cleanups
26
21
27
----------------------------------------------------------------
22
----------------------------------------------------------------
28
Edgar E. Iglesias (11):
23
Peter Maydell (7):
29
hw/arm: versal: Remove inclusion of arm_gicv3_common.h
24
tests/qtest/npcm7xx_emc_test: Don't leak cmd_line
30
hw/arm: versal: Move misplaced comment
25
tests/unit/socket-helpers: Don't close(-1)
31
hw/arm: versal-virt: Fix typo xlnx-ve -> xlnx-versal
26
net/af-xdp.c: Don't leak sock_fds array in net_init_af_xdp()
32
hw/arm: versal: Embed the UARTs into the SoC type
27
hw/misc/pca9554: Correct error check bounds in get/set pin functions
33
hw/arm: versal: Embed the GEMs into the SoC type
28
hw/nvram/mac_nvram: Report failure to write data
34
hw/arm: versal: Embed the ADMAs into the SoC type
29
tests/unit/test-throttle: Avoid unintended integer division
35
hw/arm: versal: Embed the APUs into the SoC type
30
tests/qtest/libqtest.c: Check for g_setenv() failure
36
hw/arm: versal: Add support for SD
37
hw/arm: versal: Add support for the RTC
38
hw/arm: versal-virt: Add support for SD
39
hw/arm: versal-virt: Add support for the RTC
40
31
41
Fredrik Strupe (1):
32
hw/misc/pca9554.c | 4 ++--
42
target/arm: Make VQDMULL undefined when U=1
33
hw/nvram/mac_nvram.c | 5 ++++-
43
34
net/af-xdp.c | 3 +--
44
Peter Maydell (25):
35
tests/qtest/libqtest.c | 6 +++++-
45
target/arm: Don't use a TLB for ARMMMUIdx_Stage2
36
tests/qtest/npcm7xx_emc-test.c | 4 ++--
46
target/arm: Use enum constant in get_phys_addr_lpae() call
37
tests/unit/socket-helpers.c | 4 +++-
47
target/arm: Add new 's1_is_el0' argument to get_phys_addr_lpae()
38
tests/unit/test-throttle.c | 4 ++--
48
target/arm: Implement ARMv8.2-TTS2UXN
39
7 files changed, 19 insertions(+), 11 deletions(-)
49
target/arm: Use correct variable for setting 'max' cpu's ID_AA64DFR0
50
target/arm/translate-vfp.inc.c: Remove duplicate simd_r32 check
51
target/arm: Don't allow Thumb Neon insns without FEATURE_NEON
52
target/arm: Add stubs for AArch32 Neon decodetree
53
target/arm: Convert VCMLA (vector) to decodetree
54
target/arm: Convert VCADD (vector) to decodetree
55
target/arm: Convert V[US]DOT (vector) to decodetree
56
target/arm: Convert VFM[AS]L (vector) to decodetree
57
target/arm: Convert VCMLA (scalar) to decodetree
58
target/arm: Convert V[US]DOT (scalar) to decodetree
59
target/arm: Convert VFM[AS]L (scalar) to decodetree
60
target/arm: Convert Neon load/store multiple structures to decodetree
61
target/arm: Convert Neon 'load single structure to all lanes' to decodetree
62
target/arm: Convert Neon 'load/store single structure' to decodetree
63
target/arm: Convert Neon 3-reg-same VADD/VSUB to decodetree
64
target/arm: Convert Neon 3-reg-same logic ops to decodetree
65
target/arm: Convert Neon 3-reg-same VMAX/VMIN to decodetree
66
target/arm: Convert Neon 3-reg-same comparisons to decodetree
67
target/arm: Convert Neon 3-reg-same VQADD/VQSUB to decodetree
68
target/arm: Convert Neon 3-reg-same VMUL, VMLA, VMLS, VSHL to decodetree
69
target/arm: Move gen_ function typedefs to translate.h
70
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
Deleted patch
1
For ARMv8.2-TTS2UXN, the stage 2 page table walk wants to know
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
1
7
Since get_phys_addr_lpae() doesn't already have a doc comment,
8
add one so we have a place to put the documentation of the
9
semantics of the new s1_is_el0 argument.
10
11
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
---
16
target/arm/helper.c | 29 ++++++++++++++++++++++++++++-
17
1 file changed, 28 insertions(+), 1 deletion(-)
18
19
diff --git a/target/arm/helper.c b/target/arm/helper.c
20
index XXXXXXX..XXXXXXX 100644
21
--- a/target/arm/helper.c
22
+++ b/target/arm/helper.c
23
@@ -XXX,XX +XXX,XX @@
24
25
static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
26
MMUAccessType access_type, ARMMMUIdx mmu_idx,
27
+ bool s1_is_el0,
28
hwaddr *phys_ptr, MemTxAttrs *txattrs, int *prot,
29
target_ulong *page_size_ptr,
30
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs);
31
@@ -XXX,XX +XXX,XX @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
32
}
33
34
ret = get_phys_addr_lpae(env, addr, MMU_DATA_LOAD, ARMMMUIdx_Stage2,
35
+ false,
36
&s2pa, &txattrs, &s2prot, &s2size, fi,
37
pcacheattrs);
38
if (ret) {
39
@@ -XXX,XX +XXX,XX @@ static ARMVAParameters aa32_va_parameters(CPUARMState *env, uint32_t va,
40
};
41
}
42
43
+/**
44
+ * get_phys_addr_lpae: perform one stage of page table walk, LPAE format
45
+ *
46
+ * Returns false if the translation was successful. Otherwise, phys_ptr, attrs,
47
+ * prot and page_size may not be filled in, and the populated fsr value provides
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
--
90
2.20.1
91
92
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
1
We're going to want at least some of the NeonGen* typedefs
1
In test_rx() and test_tx() we allocate a GString *cmd_line
2
for the refactored 32-bit Neon decoder, so move them all
2
but never free it. This is pretty harmless in a test case, but
3
to translate.h since it makes more sense to keep them in
3
Coverity spotted it.
4
one group.
5
4
5
Resolves: Coverity CID 1507122
6
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
7
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
7
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
8
Message-id: 20200430181003.21682-23-peter.maydell@linaro.org
8
Reviewed-by: Thomas Huth <thuth@redhat.com>
9
Message-id: 20240312183810.557768-2-peter.maydell@linaro.org
9
---
10
---
10
target/arm/translate.h | 17 +++++++++++++++++
11
tests/qtest/npcm7xx_emc-test.c | 4 ++--
11
target/arm/translate-a64.c | 17 -----------------
12
1 file changed, 2 insertions(+), 2 deletions(-)
12
2 files changed, 17 insertions(+), 17 deletions(-)
13
13
14
diff --git a/target/arm/translate.h b/target/arm/translate.h
14
diff --git a/tests/qtest/npcm7xx_emc-test.c b/tests/qtest/npcm7xx_emc-test.c
15
index XXXXXXX..XXXXXXX 100644
15
index XXXXXXX..XXXXXXX 100644
16
--- a/target/arm/translate.h
16
--- a/tests/qtest/npcm7xx_emc-test.c
17
+++ b/target/arm/translate.h
17
+++ b/tests/qtest/npcm7xx_emc-test.c
18
@@ -XXX,XX +XXX,XX @@ typedef void GVecGen3Fn(unsigned, uint32_t, uint32_t,
18
@@ -XXX,XX +XXX,XX @@ static void emc_test_ptle(QTestState *qts, const EMCModule *mod, int fd)
19
typedef void GVecGen4Fn(unsigned, uint32_t, uint32_t, uint32_t,
19
static void test_tx(gconstpointer test_data)
20
uint32_t, uint32_t, uint32_t);
21
22
+/* Function prototype for gen_ functions for calling Neon helpers */
23
+typedef void NeonGenOneOpEnvFn(TCGv_i32, TCGv_ptr, TCGv_i32);
24
+typedef void NeonGenTwoOpFn(TCGv_i32, TCGv_i32, TCGv_i32);
25
+typedef void NeonGenTwoOpEnvFn(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32);
26
+typedef void NeonGenTwo64OpFn(TCGv_i64, TCGv_i64, TCGv_i64);
27
+typedef void NeonGenTwo64OpEnvFn(TCGv_i64, TCGv_ptr, TCGv_i64, TCGv_i64);
28
+typedef void NeonGenNarrowFn(TCGv_i32, TCGv_i64);
29
+typedef void NeonGenNarrowEnvFn(TCGv_i32, TCGv_ptr, TCGv_i64);
30
+typedef void NeonGenWidenFn(TCGv_i64, TCGv_i32);
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
42
--- a/target/arm/translate-a64.c
43
+++ b/target/arm/translate-a64.c
44
@@ -XXX,XX +XXX,XX @@ typedef struct AArch64DecodeTable {
45
AArch64DecodeFn *disas_fn;
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
-
65
/* initialize TCG globals. */
66
void a64_translate_init(void)
67
{
20
{
21
const TestData *td = test_data;
22
- GString *cmd_line = g_string_new("-machine quanta-gsj");
23
+ g_autoptr(GString) cmd_line = g_string_new("-machine quanta-gsj");
24
int *test_sockets = packet_test_init(emc_module_index(td->module),
25
cmd_line);
26
QTestState *qts = qtest_init(cmd_line->str);
27
@@ -XXX,XX +XXX,XX @@ static void test_tx(gconstpointer test_data)
28
static void test_rx(gconstpointer test_data)
29
{
30
const TestData *td = test_data;
31
- GString *cmd_line = g_string_new("-machine quanta-gsj");
32
+ g_autoptr(GString) cmd_line = g_string_new("-machine quanta-gsj");
33
int *test_sockets = packet_test_init(emc_module_index(td->module),
34
cmd_line);
35
QTestState *qts = qtest_init(cmd_line->str);
68
--
36
--
69
2.20.1
37
2.34.1
70
71
diff view generated by jsdifflib
1
Convert the Neon VMUL, VMLA, VMLS and VSHL insns in the
1
In socket_check_afunix_support() we call socket(PF_UNIX, SOCK_STREAM, 0)
2
3-reg-same grouping to decodetree.
2
to see if it works, but we call close() on the result whether it
3
worked or not. Only close the fd if the socket() call succeeded.
4
Spotted by Coverity.
5
6
Resolves: Coverity CID 1497481
3
7
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
9
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Message-id: 20200430181003.21682-20-peter.maydell@linaro.org
10
Reviewed-by: Thomas Huth <thuth@redhat.com>
11
Message-id: 20240312183810.557768-3-peter.maydell@linaro.org
7
---
12
---
8
target/arm/neon-dp.decode | 9 +++++++
13
tests/unit/socket-helpers.c | 4 +++-
9
target/arm/translate-neon.inc.c | 44 +++++++++++++++++++++++++++++++++
14
1 file changed, 3 insertions(+), 1 deletion(-)
10
target/arm/translate.c | 28 +++------------------
11
3 files changed, 56 insertions(+), 25 deletions(-)
12
15
13
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
16
diff --git a/tests/unit/socket-helpers.c b/tests/unit/socket-helpers.c
14
index XXXXXXX..XXXXXXX 100644
17
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-dp.decode
18
--- a/tests/unit/socket-helpers.c
16
+++ b/target/arm/neon-dp.decode
19
+++ b/tests/unit/socket-helpers.c
17
@@ -XXX,XX +XXX,XX @@ VCGT_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 0 .... @3same
20
@@ -XXX,XX +XXX,XX @@ void socket_check_afunix_support(bool *has_afunix)
18
VCGE_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 1 .... @3same
21
int fd;
19
VCGE_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 1 .... @3same
22
20
23
fd = socket(PF_UNIX, SOCK_STREAM, 0);
21
+VSHL_S_3s 1111 001 0 0 . .. .... .... 0100 . . . 0 .... @3same
24
- close(fd);
22
+VSHL_U_3s 1111 001 1 0 . .. .... .... 0100 . . . 0 .... @3same
25
23
+
26
#ifdef _WIN32
24
VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
27
*has_afunix = (fd != (int)INVALID_SOCKET);
25
VMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same
28
@@ -XXX,XX +XXX,XX @@ void socket_check_afunix_support(bool *has_afunix)
26
VMIN_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 1 .... @3same
29
*has_afunix = (fd >= 0);
27
@@ -XXX,XX +XXX,XX @@ VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
30
#endif
28
31
29
VTST_3s 1111 001 0 0 . .. .... .... 1000 . . . 1 .... @3same
32
+ if (*has_afunix) {
30
VCEQ_3s 1111 001 1 0 . .. .... .... 1000 . . . 1 .... @3same
33
+ close(fd);
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
39
--- a/target/arm/translate-neon.inc.c
40
+++ b/target/arm/translate-neon.inc.c
41
@@ -XXX,XX +XXX,XX @@ DO_3SAME_NO_SZ_3(VMAX_S, tcg_gen_gvec_smax)
42
DO_3SAME_NO_SZ_3(VMAX_U, tcg_gen_gvec_umax)
43
DO_3SAME_NO_SZ_3(VMIN_S, tcg_gen_gvec_smin)
44
DO_3SAME_NO_SZ_3(VMIN_U, tcg_gen_gvec_umin)
45
+DO_3SAME_NO_SZ_3(VMUL, tcg_gen_gvec_mul)
46
47
#define DO_3SAME_CMP(INSN, COND) \
48
static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
49
@@ -XXX,XX +XXX,XX @@ DO_3SAME_GVEC4(VQADD_S, sqadd_op)
50
DO_3SAME_GVEC4(VQADD_U, uqadd_op)
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
+ }
34
+ }
66
+ return do_3same(s, a, gen_VMUL_p_3s);
35
return;
67
+}
36
}
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
98
--- a/target/arm/translate.c
99
+++ b/target/arm/translate.c
100
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
101
}
102
return 1;
103
104
- case NEON_3R_VMUL: /* VMUL */
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
-
118
- case NEON_3R_VML: /* VMLA, VMLS */
119
- tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, vec_size, vec_size,
120
- u ? &mls_op[size] : &mla_op[size]);
121
- return 0;
122
-
123
- case NEON_3R_VSHL:
124
- /* Note the operation is vshl vd,vm,vn */
125
- tcg_gen_gvec_3(rd_ofs, rm_ofs, rn_ofs, vec_size, vec_size,
126
- u ? &ushl_op[size] : &sshl_op[size]);
127
- return 0;
128
-
129
case NEON_3R_VADD_VSUB:
130
case NEON_3R_LOGIC:
131
case NEON_3R_VMAX:
132
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
133
case NEON_3R_VCGE:
134
case NEON_3R_VQADD:
135
case NEON_3R_VQSUB:
136
+ case NEON_3R_VMUL:
137
+ case NEON_3R_VML:
138
+ case NEON_3R_VSHL:
139
/* Already handled by decodetree */
140
return 1;
141
}
142
--
37
--
143
2.20.1
38
2.34.1
144
145
diff view generated by jsdifflib
1
Somewhere along theline we accidentally added a duplicate
1
In net_init_af_xdp() we parse the arguments and allocate
2
"using D16-D31 when they don't exist" check to do_vfm_dp()
2
a buffer of ints into sock_fds. However, although we
3
(probably an artifact of a patchseries rebase). Remove it.
3
free this in the error exit path, we don't ever free it
4
in the successful return path. Coverity spots this leak.
4
5
6
Switch to g_autofree so we don't need to manually free the
7
array.
8
9
Resolves: Coverity CID 1534906
5
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
10
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
6
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
11
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
7
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
12
Reviewed-by: Thomas Huth <thuth@redhat.com>
8
Message-id: 20200430181003.21682-2-peter.maydell@linaro.org
13
Message-id: 20240312183810.557768-4-peter.maydell@linaro.org
9
---
14
---
10
target/arm/translate-vfp.inc.c | 6 ------
15
net/af-xdp.c | 3 +--
11
1 file changed, 6 deletions(-)
16
1 file changed, 1 insertion(+), 2 deletions(-)
12
17
13
diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c
18
diff --git a/net/af-xdp.c b/net/af-xdp.c
14
index XXXXXXX..XXXXXXX 100644
19
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/translate-vfp.inc.c
20
--- a/net/af-xdp.c
16
+++ b/target/arm/translate-vfp.inc.c
21
+++ b/net/af-xdp.c
17
@@ -XXX,XX +XXX,XX @@ static bool do_vfm_dp(DisasContext *s, arg_VFMA_dp *a, bool neg_n, bool neg_d)
22
@@ -XXX,XX +XXX,XX @@ int net_init_af_xdp(const Netdev *netdev,
18
return false;
23
NetClientState *nc, *nc0 = NULL;
19
}
24
unsigned int ifindex;
20
25
uint32_t prog_id = 0;
21
- /* UNDEF accesses to D16-D31 if they don't exist. */
26
- int *sock_fds = NULL;
22
- if (!dc_isar_feature(aa32_simd_r32, s) &&
27
+ g_autofree int *sock_fds = NULL;
23
- ((a->vd | a->vn | a->vm) & 0x10)) {
28
int64_t i, queues;
24
- return false;
29
Error *err = NULL;
25
- }
30
AFXDPState *s;
26
-
31
@@ -XXX,XX +XXX,XX @@ int net_init_af_xdp(const Netdev *netdev,
27
if (!vfp_access_check(s)) {
32
return 0;
28
return true;
33
34
err:
35
- g_free(sock_fds);
36
if (nc0) {
37
qemu_del_net_client(nc0);
29
}
38
}
30
--
39
--
31
2.20.1
40
2.34.1
32
33
diff view generated by jsdifflib
1
Add the infrastructure for building and invoking a decodetree decoder
1
In pca9554_get_pin() and pca9554_set_pin(), we try to detect an
2
for the AArch32 Neon encodings. At the moment the new decoder covers
2
incorrect pin value, but we get the condition wrong, using ">"
3
nothing, so we always fall back to the existing hand-written decode.
3
when ">=" was intended.
4
4
5
We follow the same pattern we did for the VFP decodetree conversion
5
This has no actual effect, because in pca9554_initfn() we
6
(commit 78e138bc1f672c145ef6ace74617d and following): code that deals
6
use the correct test when creating the properties and so
7
with Neon will be moving gradually out to translate-neon.vfp.inc,
7
we'll never be called with an out of range value. However,
8
which we #include into translate.c.
8
Coverity complains about the mismatch between the check and
9
the later use of the pin value in a shift operation.
9
10
10
In order to share the decode files between A32 and T32, we
11
Use the correct condition.
11
split Neon into 3 parts:
12
* data-processing
13
* load-store
14
* 'shared' encodings
15
12
16
The first two groups of instructions have similar but not identical
13
Resolves: Coverity CID 1534917
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
21
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
14
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
22
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
15
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
23
Message-id: 20200430181003.21682-4-peter.maydell@linaro.org
16
Reviewed-by: Thomas Huth <thuth@redhat.com>
17
Message-id: 20240312183810.557768-5-peter.maydell@linaro.org
24
---
18
---
25
target/arm/neon-dp.decode | 29 ++++++++++++++++++++++++++
19
hw/misc/pca9554.c | 4 ++--
26
target/arm/neon-ls.decode | 29 ++++++++++++++++++++++++++
20
1 file changed, 2 insertions(+), 2 deletions(-)
27
target/arm/neon-shared.decode | 27 +++++++++++++++++++++++++
28
target/arm/translate-neon.inc.c | 32 +++++++++++++++++++++++++++++
29
target/arm/translate.c | 36 +++++++++++++++++++++++++++++++--
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
21
37
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
22
diff --git a/hw/misc/pca9554.c b/hw/misc/pca9554.c
38
new file mode 100644
39
index XXXXXXX..XXXXXXX
40
--- /dev/null
41
+++ b/target/arm/neon-dp.decode
42
@@ -XXX,XX +XXX,XX @@
43
+# AArch32 Neon data-processing instruction descriptions
44
+#
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
+
60
+#
61
+# This file is processed by scripts/decodetree.py
62
+#
63
+
64
+# Encodings for Neon data processing instructions where the T32 encoding
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
+
95
+#
96
+# This file is processed by scripts/decodetree.py
97
+#
98
+
99
+# Encodings for Neon load/store instructions where the T32 encoding
100
+# is a simple transformation of the A32 encoding.
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
23
index XXXXXXX..XXXXXXX 100644
180
--- a/target/arm/translate.c
24
--- a/hw/misc/pca9554.c
181
+++ b/target/arm/translate.c
25
+++ b/hw/misc/pca9554.c
182
@@ -XXX,XX +XXX,XX @@ static TCGv_ptr vfp_reg_ptr(bool dp, int reg)
26
@@ -XXX,XX +XXX,XX @@ static void pca9554_get_pin(Object *obj, Visitor *v, const char *name,
183
27
error_setg(errp, "%s: error reading %s", __func__, name);
184
#define ARM_CP_RW_BIT (1 << 20)
185
186
-/* Include the VFP decoder */
187
+/* Include the VFP and Neon decoders */
188
#include "translate-vfp.inc.c"
189
+#include "translate-neon.inc.c"
190
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;
28
return;
246
}
29
}
247
diff --git a/target/arm/Makefile.objs b/target/arm/Makefile.objs
30
- if (pin < 0 || pin > PCA9554_PIN_COUNT) {
248
index XXXXXXX..XXXXXXX 100644
31
+ if (pin < 0 || pin >= PCA9554_PIN_COUNT) {
249
--- a/target/arm/Makefile.objs
32
error_setg(errp, "%s invalid pin %s", __func__, name);
250
+++ b/target/arm/Makefile.objs
33
return;
251
@@ -XXX,XX +XXX,XX @@ target/arm/decode-sve.inc.c: $(SRC_PATH)/target/arm/sve.decode $(DECODETREE)
34
}
252
     $(PYTHON) $(DECODETREE) --decode disas_sve -o $@ $<,\
35
@@ -XXX,XX +XXX,XX @@ static void pca9554_set_pin(Object *obj, Visitor *v, const char *name,
253
     "GEN", $(TARGET_DIR)$@)
36
error_setg(errp, "%s: error reading %s", __func__, name);
254
37
return;
255
+target/arm/decode-neon-shared.inc.c: $(SRC_PATH)/target/arm/neon-shared.decode $(DECODETREE)
38
}
256
+    $(call quiet-command,\
39
- if (pin < 0 || pin > PCA9554_PIN_COUNT) {
257
+     $(PYTHON) $(DECODETREE) --static-decode disas_neon_shared -o $@ $<,\
40
+ if (pin < 0 || pin >= PCA9554_PIN_COUNT) {
258
+     "GEN", $(TARGET_DIR)$@)
41
error_setg(errp, "%s invalid pin %s", __func__, name);
259
+
42
return;
260
+target/arm/decode-neon-dp.inc.c: $(SRC_PATH)/target/arm/neon-dp.decode $(DECODETREE)
43
}
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
--
44
--
284
2.20.1
45
2.34.1
285
286
diff view generated by jsdifflib
1
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
1
There's no way for the macio_nvram device to report failure to write
2
data, but we can at least report it to the user with error_report()
3
as we do in other devices like xlnx-efuse.
2
4
3
Embed the APUs into the SoC type.
5
Spotted by Coverity.
4
6
5
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
7
Resolves: Coverity CID 1507628
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>
8
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
9
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
10
Reviewed-by: Thomas Huth <thuth@redhat.com>
11
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
12
Message-id: 20240312183810.557768-6-peter.maydell@linaro.org
12
---
13
---
13
include/hw/arm/xlnx-versal.h | 2 +-
14
hw/nvram/mac_nvram.c | 5 ++++-
14
hw/arm/xlnx-versal-virt.c | 4 ++--
15
1 file changed, 4 insertions(+), 1 deletion(-)
15
hw/arm/xlnx-versal.c | 19 +++++--------------
16
3 files changed, 8 insertions(+), 17 deletions(-)
17
16
18
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
17
diff --git a/hw/nvram/mac_nvram.c b/hw/nvram/mac_nvram.c
19
index XXXXXXX..XXXXXXX 100644
18
index XXXXXXX..XXXXXXX 100644
20
--- a/include/hw/arm/xlnx-versal.h
19
--- a/hw/nvram/mac_nvram.c
21
+++ b/include/hw/arm/xlnx-versal.h
20
+++ b/hw/nvram/mac_nvram.c
22
@@ -XXX,XX +XXX,XX @@ typedef struct Versal {
21
@@ -XXX,XX +XXX,XX @@ static void macio_nvram_writeb(void *opaque, hwaddr addr,
23
struct {
22
trace_macio_nvram_write(addr, value);
24
struct {
23
s->data[addr] = value;
25
MemoryRegion mr;
24
if (s->blk) {
26
- ARMCPU *cpu[XLNX_VERSAL_NR_ACPUS];
25
- blk_pwrite(s->blk, addr, 1, &s->data[addr], 0);
27
+ ARMCPU cpu[XLNX_VERSAL_NR_ACPUS];
26
+ if (blk_pwrite(s->blk, addr, 1, &s->data[addr], 0) < 0) {
28
GICv3State gic;
27
+ error_report("%s: write of NVRAM data to backing store failed",
29
} apu;
28
+ blk_name(s->blk));
30
} fpd;
29
+ }
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
}
30
}
81
}
31
}
82
32
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
--
33
--
93
2.20.1
34
2.34.1
94
35
95
36
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
Deleted patch
1
We were accidentally permitting decode of Thumb Neon insns even if
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
1
8
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
9
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
10
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
11
Message-id: 20200430181003.21682-3-peter.maydell@linaro.org
12
---
13
target/arm/translate.c | 16 ++++++++--------
14
1 file changed, 8 insertions(+), 8 deletions(-)
15
16
diff --git a/target/arm/translate.c b/target/arm/translate.c
17
index XXXXXXX..XXXXXXX 100644
18
--- a/target/arm/translate.c
19
+++ b/target/arm/translate.c
20
@@ -XXX,XX +XXX,XX @@ static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
21
TCGv_i32 tmp2;
22
TCGv_i64 tmp64;
23
24
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
25
+ return 1;
26
+ }
27
+
28
/* FIXME: this access check should not take precedence over UNDEF
29
* for invalid encodings; we will generate incorrect syndrome information
30
* for attempts to execute invalid vfp/neon encodings with FP disabled.
31
@@ -XXX,XX +XXX,XX @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn)
32
TCGv_ptr ptr1, ptr2, ptr3;
33
TCGv_i64 tmp64;
34
35
+ if (!arm_dc_feature(s, ARM_FEATURE_NEON)) {
36
+ return 1;
37
+ }
38
+
39
/* FIXME: this access check should not take precedence over UNDEF
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
--
65
2.20.1
66
67
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 VCMLA (scalar) in the 2reg-scalar-ext group 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: 20200430181003.21682-9-peter.maydell@linaro.org
6
---
7
target/arm/neon-shared.decode | 5 +++++
8
target/arm/translate-neon.inc.c | 40 +++++++++++++++++++++++++++++++++
9
target/arm/translate.c | 26 +--------------------
10
3 files changed, 46 insertions(+), 25 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 @@ VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
17
vm=%vm_sp vn=%vn_sp vd=%vd_dp q=0
18
VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
19
vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
20
+
21
+VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
22
+ vn=%vn_dp vd=%vd_dp size=0
23
+VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
24
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp size=1 index=0
25
diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c
26
index XXXXXXX..XXXXXXX 100644
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
+
34
+static bool trans_VCMLA_scalar(DisasContext *s, arg_VCMLA_scalar *a)
35
+{
36
+ gen_helper_gvec_3_ptr *fn_gvec_ptr;
37
+ int opr_sz;
38
+ TCGv_ptr fpst;
39
+
40
+ if (!dc_isar_feature(aa32_vcma, s)) {
41
+ return false;
42
+ }
43
+ if (a->size == 0 && !dc_isar_feature(aa32_fp16_arith, s)) {
44
+ return false;
45
+ }
46
+
47
+ /* UNDEF accesses to D16-D31 if they don't exist. */
48
+ if (!dc_isar_feature(aa32_simd_r32, s) &&
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
110
--
111
2.20.1
112
113
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
Deleted patch
1
Convert the Neon "load single structure to all lanes" insns 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: 20200430181003.21682-13-peter.maydell@linaro.org
7
---
8
target/arm/neon-ls.decode | 5 +++
9
target/arm/translate-neon.inc.c | 73 +++++++++++++++++++++++++++++++++
10
target/arm/translate.c | 55 +------------------------
11
3 files changed, 80 insertions(+), 53 deletions(-)
12
13
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
14
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-ls.decode
16
+++ b/target/arm/neon-ls.decode
17
@@ -XXX,XX +XXX,XX @@
18
19
VLDST_multiple 1111 0100 0 . l:1 0 rn:4 .... itype:4 size:2 align:2 rm:4 \
20
vd=%vd_dp
21
+
22
+# Neon load single element to all lanes
23
+
24
+VLD_all_lanes 1111 0100 1 . 1 0 rn:4 .... 11 n:2 size:2 t:1 a:1 rm:4 \
25
+ vd=%vd_dp
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
--
181
2.20.1
182
183
diff view generated by jsdifflib
Deleted patch
1
Convert the Neon "load/store single structure to one lane" insns to
2
decodetree.
3
1
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
7
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
9
Message-id: 20200430181003.21682-14-peter.maydell@linaro.org
10
---
11
target/arm/neon-ls.decode | 11 +++
12
target/arm/translate-neon.inc.c | 89 +++++++++++++++++++
13
target/arm/translate.c | 147 --------------------------------
14
3 files changed, 100 insertions(+), 147 deletions(-)
15
16
diff --git a/target/arm/neon-ls.decode b/target/arm/neon-ls.decode
17
index XXXXXXX..XXXXXXX 100644
18
--- a/target/arm/neon-ls.decode
19
+++ 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
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
24
+
25
+# Neon load/store single structure to one lane
26
+%imm1_5_p1 5:1 !function=plus1
27
+%imm1_6_p1 6:1 !function=plus1
28
+
29
+VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 00 n:2 reg_idx:3 align:1 rm:4 \
30
+ vd=%vd_dp size=0 stride=1
31
+VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 01 n:2 reg_idx:2 align:2 rm:4 \
32
+ vd=%vd_dp size=1 stride=%imm1_5_p1
33
+VLDST_single 1111 0100 1 . l:1 0 rn:4 .... 10 n:2 reg_idx:1 align:3 rm:4 \
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
37
--- a/target/arm/translate-neon.inc.c
38
+++ b/target/arm/translate-neon.inc.c
39
@@ -XXX,XX +XXX,XX @@
40
* It might be possible to convert it to a standalone .c file eventually.
41
*/
42
43
+static inline int plus1(DisasContext *s, int x)
44
+{
45
+ return x + 1;
46
+}
47
+
48
/* Include the generated Neon decoder */
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
141
--- a/target/arm/translate.c
142
+++ b/target/arm/translate.c
143
@@ -XXX,XX +XXX,XX @@ static void gen_neon_trn_u16(TCGv_i32 t0, TCGv_i32 t1)
144
tcg_temp_free_i32(rd);
145
}
146
147
-
148
-/* Translate a NEON load/store element instruction. Return nonzero if the
149
- instruction is invalid. */
150
-static int disas_neon_ls_insn(DisasContext *s, uint32_t insn)
151
-{
152
- int rd, rn, rm;
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
-}
280
-
281
static inline void gen_neon_narrow(int size, TCGv_i32 dest, TCGv_i64 src)
282
{
283
switch (size) {
284
@@ -XXX,XX +XXX,XX @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
285
}
286
return;
287
}
288
- if ((insn & 0x0f100000) == 0x04000000) {
289
- /* NEON load/store. */
290
- if (disas_neon_ls_insn(s, insn)) {
291
- goto illegal_op;
292
- }
293
- return;
294
- }
295
if ((insn & 0x0e000f00) == 0x0c000100) {
296
if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) {
297
/* iWMMXt register transfer. */
298
@@ -XXX,XX +XXX,XX @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
299
}
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
--
312
2.20.1
313
314
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
Deleted patch
1
Convert the Neon 3-reg-same VMAX and VMIN 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: 20200430181003.21682-17-peter.maydell@linaro.org
6
---
7
target/arm/neon-dp.decode | 5 +++++
8
target/arm/translate-neon.inc.c | 14 ++++++++++++++
9
target/arm/translate.c | 21 ++-------------------
10
3 files changed, 21 insertions(+), 19 deletions(-)
11
12
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
13
index XXXXXXX..XXXXXXX 100644
14
--- a/target/arm/neon-dp.decode
15
+++ b/target/arm/neon-dp.decode
16
@@ -XXX,XX +XXX,XX @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
17
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
18
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
19
20
+VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
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
+
25
VADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same
26
VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
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 @@ 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
--
89
2.20.1
90
91
diff view generated by jsdifflib
1
Convert the Neon VQADD/VQSUB insns in the 3-reg-same grouping
1
In test_compute_wait() we do
2
to decodetree.
2
double units = bkt.max / 10;
3
which does an integer division and then assigns it to a double variable,
4
and similarly later on in the expression for an assertion.
3
5
6
Use 10.0 so that we do a floating point division and calculate the
7
exact value, rather than doing an integer division.
8
9
Spotted by Coverity.
10
11
Resolves: Coverity CID 1432564
4
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
12
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
13
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Message-id: 20200430181003.21682-19-peter.maydell@linaro.org
14
Reviewed-by: Thomas Huth <thuth@redhat.com>
15
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
16
Message-id: 20240312183810.557768-7-peter.maydell@linaro.org
7
---
17
---
8
target/arm/neon-dp.decode | 6 ++++++
18
tests/unit/test-throttle.c | 4 ++--
9
target/arm/translate-neon.inc.c | 15 +++++++++++++++
19
1 file changed, 2 insertions(+), 2 deletions(-)
10
target/arm/translate.c | 14 ++------------
11
3 files changed, 23 insertions(+), 12 deletions(-)
12
20
13
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
21
diff --git a/tests/unit/test-throttle.c b/tests/unit/test-throttle.c
14
index XXXXXXX..XXXXXXX 100644
22
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-dp.decode
23
--- a/tests/unit/test-throttle.c
16
+++ b/target/arm/neon-dp.decode
24
+++ b/tests/unit/test-throttle.c
17
@@ -XXX,XX +XXX,XX @@
25
@@ -XXX,XX +XXX,XX @@ static void test_compute_wait(void)
18
@3same .... ... . . . size:2 .... .... .... . q:1 . . .... \
26
bkt.avg = 10;
19
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp
27
bkt.max = 200;
20
28
for (i = 0; i < 22; i++) {
21
+VQADD_S_3s 1111 001 0 0 . .. .... .... 0000 . . . 1 .... @3same
29
- double units = bkt.max / 10;
22
+VQADD_U_3s 1111 001 1 0 . .. .... .... 0000 . . . 1 .... @3same
30
+ double units = bkt.max / 10.0;
23
+
31
bkt.level += units;
24
@3same_logic .... ... . . . .. .... .... .... . q:1 .. .... \
32
bkt.burst_level += units;
25
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp size=0
33
throttle_leak_bucket(&bkt, NANOSECONDS_PER_SECOND / 10);
26
34
wait = throttle_compute_wait(&bkt);
27
@@ -XXX,XX +XXX,XX @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
35
g_assert(double_cmp(bkt.burst_level, 0));
28
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
36
- g_assert(double_cmp(bkt.level, (i + 1) * (bkt.max - bkt.avg) / 10));
29
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
37
+ g_assert(double_cmp(bkt.level, (i + 1) * (bkt.max - bkt.avg) / 10.0));
30
38
/* We can do bursts for the 2 seconds we have configured in
31
+VQSUB_S_3s 1111 001 0 0 . .. .... .... 0010 . . . 1 .... @3same
39
* burst_length. We have 100 extra milliseconds of burst
32
+VQSUB_U_3s 1111 001 1 0 . .. .... .... 0010 . . . 1 .... @3same
40
* because bkt.level has been leaking during this time.
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
39
--- a/target/arm/translate-neon.inc.c
40
+++ b/target/arm/translate-neon.inc.c
41
@@ -XXX,XX +XXX,XX @@ static void gen_VTST_3s(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
42
tcg_gen_gvec_3(rd_ofs, rn_ofs, rm_ofs, oprsz, maxsz, &cmtst_op[vece]);
43
}
44
DO_3SAME_NO_SZ_3(VTST, gen_VTST_3s)
45
+
46
+#define DO_3SAME_GVEC4(INSN, OPARRAY) \
47
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
48
+ uint32_t rn_ofs, uint32_t rm_ofs, \
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
--
41
--
93
2.20.1
42
2.34.1
94
43
95
44
diff view generated by jsdifflib
1
Convert the Neon comparison ops in the 3-reg-same grouping
1
Coverity points out that g_setenv() can fail and we don't
2
to decodetree.
2
check for this in qtest_inproc_init(). In practice this will
3
only fail if a memory allocation failed in setenv() or if
4
the caller passed an invalid architecture name (e.g. one
5
with an '=' in it), so rather than requiring the callsite
6
to check for failure, make g_setenv() failure fatal here,
7
similarly to what we did in commit aca68d95c515.
3
8
9
Resolves: Coverity CID 1497485
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
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
6
Message-id: 20200430181003.21682-18-peter.maydell@linaro.org
12
Reviewed-by: Thomas Huth <thuth@redhat.com>
13
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
14
Message-id: 20240312183810.557768-8-peter.maydell@linaro.org
7
---
15
---
8
target/arm/neon-dp.decode | 8 ++++++++
16
tests/qtest/libqtest.c | 6 +++++-
9
target/arm/translate-neon.inc.c | 22 ++++++++++++++++++++++
17
1 file changed, 5 insertions(+), 1 deletion(-)
10
target/arm/translate.c | 23 +++--------------------
11
3 files changed, 33 insertions(+), 20 deletions(-)
12
18
13
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
19
diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
14
index XXXXXXX..XXXXXXX 100644
20
index XXXXXXX..XXXXXXX 100644
15
--- a/target/arm/neon-dp.decode
21
--- a/tests/qtest/libqtest.c
16
+++ b/target/arm/neon-dp.decode
22
+++ b/tests/qtest/libqtest.c
17
@@ -XXX,XX +XXX,XX @@ VBSL_3s 1111 001 1 0 . 01 .... .... 0001 ... 1 .... @3same_logic
23
@@ -XXX,XX +XXX,XX @@ QTestState *qtest_inproc_init(QTestState **s, bool log, const char* arch,
18
VBIT_3s 1111 001 1 0 . 10 .... .... 0001 ... 1 .... @3same_logic
24
* way, qtest_get_arch works for inproc qtest.
19
VBIF_3s 1111 001 1 0 . 11 .... .... 0001 ... 1 .... @3same_logic
25
*/
20
26
gchar *bin_path = g_strconcat("/qemu-system-", arch, NULL);
21
+VCGT_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 0 .... @3same
27
- g_setenv("QTEST_QEMU_BINARY", bin_path, 0);
22
+VCGT_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 0 .... @3same
28
+ if (!g_setenv("QTEST_QEMU_BINARY", bin_path, 0)) {
23
+VCGE_S_3s 1111 001 0 0 . .. .... .... 0011 . . . 1 .... @3same
29
+ fprintf(stderr,
24
+VCGE_U_3s 1111 001 1 0 . .. .... .... 0011 . . . 1 .... @3same
30
+ "Could not set environment variable QTEST_QEMU_BINARY\n");
25
+
31
+ exit(1);
26
VMAX_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 0 .... @3same
32
+ }
27
VMAX_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 0 .... @3same
33
g_free(bin_path);
28
VMIN_S_3s 1111 001 0 0 . .. .... .... 0110 . . . 1 .... @3same
34
29
@@ -XXX,XX +XXX,XX @@ VMIN_U_3s 1111 001 1 0 . .. .... .... 0110 . . . 1 .... @3same
35
return qts;
30
31
VADD_3s 1111 001 0 0 . .. .... .... 1000 . . . 0 .... @3same
32
VSUB_3s 1111 001 1 0 . .. .... .... 1000 . . . 0 .... @3same
33
+
34
+VTST_3s 1111 001 0 0 . .. .... .... 1000 . . . 1 .... @3same
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
38
--- a/target/arm/translate-neon.inc.c
39
+++ b/target/arm/translate-neon.inc.c
40
@@ -XXX,XX +XXX,XX @@ DO_3SAME_NO_SZ_3(VMAX_S, tcg_gen_gvec_smax)
41
DO_3SAME_NO_SZ_3(VMAX_U, tcg_gen_gvec_umax)
42
DO_3SAME_NO_SZ_3(VMIN_S, tcg_gen_gvec_smin)
43
DO_3SAME_NO_SZ_3(VMIN_U, tcg_gen_gvec_umin)
44
+
45
+#define DO_3SAME_CMP(INSN, COND) \
46
+ static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \
47
+ uint32_t rn_ofs, uint32_t rm_ofs, \
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
--
36
--
108
2.20.1
37
2.34.1
109
38
110
39
diff view generated by jsdifflib