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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 01/16] exec/memory_ldst: extract memory_ldst declarations from
cpu-all.h
Date: Sun, 9 Mar 2025 21:58:27 -0700
Message-Id: <20250310045842.2650784-2-pierrick.bouvier@linaro.org>
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They are now accessible through exec/memory.h instead, and we make sure
all variants are available for common or target dependent code.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
include/exec/cpu-all.h | 12 ------------
include/exec/memory_ldst.h.inc | 13 +++++--------
2 files changed, 5 insertions(+), 20 deletions(-)
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 8cd6c00cf89..17ea82518a0 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -69,18 +69,6 @@
=20
#include "exec/hwaddr.h"
=20
-#define SUFFIX
-#define ARG1 as
-#define ARG1_DECL AddressSpace *as
-#define TARGET_ENDIANNESS
-#include "exec/memory_ldst.h.inc"
-
-#define SUFFIX _cached_slow
-#define ARG1 cache
-#define ARG1_DECL MemoryRegionCache *cache
-#define TARGET_ENDIANNESS
-#include "exec/memory_ldst.h.inc"
-
static inline void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32=
_t val)
{
address_space_stl_notdirty(as, addr, val,
diff --git a/include/exec/memory_ldst.h.inc b/include/exec/memory_ldst.h.inc
index 92ad74e9560..74519a88de0 100644
--- a/include/exec/memory_ldst.h.inc
+++ b/include/exec/memory_ldst.h.inc
@@ -19,7 +19,8 @@
* License along with this library; if not, see <http://www.gnu.org/licens=
es/>.
*/
=20
-#ifdef TARGET_ENDIANNESS
+uint8_t glue(address_space_ldub, SUFFIX)(ARG1_DECL,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
uint16_t glue(address_space_lduw, SUFFIX)(ARG1_DECL,
hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
uint32_t glue(address_space_ldl, SUFFIX)(ARG1_DECL,
@@ -28,15 +29,15 @@ uint64_t glue(address_space_ldq, SUFFIX)(ARG1_DECL,
hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stl_notdirty, SUFFIX)(ARG1_DECL,
hwaddr addr, uint32_t val, MemTxAttrs attrs, MemTxResult *result);
+void glue(address_space_stb, SUFFIX)(ARG1_DECL,
+ hwaddr addr, uint8_t val, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stw, SUFFIX)(ARG1_DECL,
hwaddr addr, uint16_t val, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stl, SUFFIX)(ARG1_DECL,
hwaddr addr, uint32_t val, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stq, SUFFIX)(ARG1_DECL,
hwaddr addr, uint64_t val, MemTxAttrs attrs, MemTxResult *result);
-#else
-uint8_t glue(address_space_ldub, SUFFIX)(ARG1_DECL,
- hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
+
uint16_t glue(address_space_lduw_le, SUFFIX)(ARG1_DECL,
hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
uint16_t glue(address_space_lduw_be, SUFFIX)(ARG1_DECL,
@@ -49,8 +50,6 @@ uint64_t glue(address_space_ldq_le, SUFFIX)(ARG1_DECL,
hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
uint64_t glue(address_space_ldq_be, SUFFIX)(ARG1_DECL,
hwaddr addr, MemTxAttrs attrs, MemTxResult *result);
-void glue(address_space_stb, SUFFIX)(ARG1_DECL,
- hwaddr addr, uint8_t val, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stw_le, SUFFIX)(ARG1_DECL,
hwaddr addr, uint16_t val, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stw_be, SUFFIX)(ARG1_DECL,
@@ -63,9 +62,7 @@ void glue(address_space_stq_le, SUFFIX)(ARG1_DECL,
hwaddr addr, uint64_t val, MemTxAttrs attrs, MemTxResult *result);
void glue(address_space_stq_be, SUFFIX)(ARG1_DECL,
hwaddr addr, uint64_t val, MemTxAttrs attrs, MemTxResult *result);
-#endif
=20
#undef ARG1_DECL
#undef ARG1
#undef SUFFIX
-#undef TARGET_ENDIANNESS
--=20
2.39.5
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 02/16] exec/memory_ldst_phys: extract memory_ldst_phys
declarations from cpu-all.h
Date: Sun, 9 Mar 2025 21:58:28 -0700
Message-Id: <20250310045842.2650784-3-pierrick.bouvier@linaro.org>
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They are now accessible through exec/memory.h instead, and we make sure
all variants are available for common or target dependent code.
To allow this, we need to implement address_space_st{*}_cached, simply
forwarding the calls to _cached_slow variants.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
include/exec/cpu-all.h | 15 ------------
include/exec/memory.h | 36 +++++++++++++++++++++++++++++
include/exec/memory_ldst_phys.h.inc | 5 +---
3 files changed, 37 insertions(+), 19 deletions(-)
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 17ea82518a0..1c2e18f492b 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -75,21 +75,6 @@ static inline void stl_phys_notdirty(AddressSpace *as, h=
waddr addr, uint32_t val
MEMTXATTRS_UNSPECIFIED, NULL);
}
=20
-#define SUFFIX
-#define ARG1 as
-#define ARG1_DECL AddressSpace *as
-#define TARGET_ENDIANNESS
-#include "exec/memory_ldst_phys.h.inc"
-
-/* Inline fast path for direct RAM access. */
-#define ENDIANNESS
-#include "exec/memory_ldst_cached.h.inc"
-
-#define SUFFIX _cached
-#define ARG1 cache
-#define ARG1_DECL MemoryRegionCache *cache
-#define TARGET_ENDIANNESS
-#include "exec/memory_ldst_phys.h.inc"
#endif
=20
/* page related stuff */
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 78c4e0aec8d..7c20f36a312 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2798,6 +2798,42 @@ static inline void address_space_stb_cached(MemoryRe=
gionCache *cache,
}
}
=20
+static inline uint16_t address_space_lduw_cached(MemoryRegionCache *cache,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result)
+{
+ return address_space_lduw_cached_slow(cache, addr, attrs, result);
+}
+
+static inline void address_space_stw_cached(MemoryRegionCache *cache,
+ hwaddr addr, uint16_t val, MemTxAttrs attrs, MemTxResult *result)
+{
+ address_space_stw_cached_slow(cache, addr, val, attrs, result);
+}
+
+static inline uint32_t address_space_ldl_cached(MemoryRegionCache *cache,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result)
+{
+ return address_space_ldl_cached_slow(cache, addr, attrs, result);
+}
+
+static inline void address_space_stl_cached(MemoryRegionCache *cache,
+ hwaddr addr, uint32_t val, MemTxAttrs attrs, MemTxResult *result)
+{
+ address_space_stl_cached_slow(cache, addr, val, attrs, result);
+}
+
+static inline uint64_t address_space_ldq_cached(MemoryRegionCache *cache,
+ hwaddr addr, MemTxAttrs attrs, MemTxResult *result)
+{
+ return address_space_ldq_cached_slow(cache, addr, attrs, result);
+}
+
+static inline void address_space_stq_cached(MemoryRegionCache *cache,
+ hwaddr addr, uint64_t val, MemTxAttrs attrs, MemTxResult *result)
+{
+ address_space_stq_cached_slow(cache, addr, val, attrs, result);
+}
+
#define ENDIANNESS _le
#include "exec/memory_ldst_cached.h.inc"
=20
diff --git a/include/exec/memory_ldst_phys.h.inc b/include/exec/memory_ldst=
_phys.h.inc
index ecd678610d1..db67de75251 100644
--- a/include/exec/memory_ldst_phys.h.inc
+++ b/include/exec/memory_ldst_phys.h.inc
@@ -19,7 +19,6 @@
* License along with this library; if not, see <http://www.gnu.org/licens=
es/>.
*/
=20
-#ifdef TARGET_ENDIANNESS
static inline uint16_t glue(lduw_phys, SUFFIX)(ARG1_DECL, hwaddr addr)
{
return glue(address_space_lduw, SUFFIX)(ARG1, addr,
@@ -55,7 +54,7 @@ static inline void glue(stq_phys, SUFFIX)(ARG1_DECL, hwad=
dr addr, uint64_t val)
glue(address_space_stq, SUFFIX)(ARG1, addr, val,
MEMTXATTRS_UNSPECIFIED, NULL);
}
-#else
+
static inline uint8_t glue(ldub_phys, SUFFIX)(ARG1_DECL, hwaddr addr)
{
return glue(address_space_ldub, SUFFIX)(ARG1, addr,
@@ -139,9 +138,7 @@ static inline void glue(stq_be_phys, SUFFIX)(ARG1_DECL,=
hwaddr addr, uint64_t va
glue(address_space_stq_be, SUFFIX)(ARG1, addr, val,
MEMTXATTRS_UNSPECIFIED, NULL);
}
-#endif
=20
#undef ARG1_DECL
#undef ARG1
#undef SUFFIX
-#undef TARGET_ENDIANNESS
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 03/16] include: move target_words_bigendian() from tswap to
bswap
Date: Sun, 9 Mar 2025 21:58:29 -0700
Message-Id: <20250310045842.2650784-4-pierrick.bouvier@linaro.org>
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This is needed for next commits (especially when implementing st/ld
primitives which will use this function).
As well, remove reference to TARGET_BIG_ENDIAN, as we are about to
remove this dependency.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
include/exec/tswap.h | 11 -----------
include/qemu/bswap.h | 12 ++++++++++++
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/include/exec/tswap.h b/include/exec/tswap.h
index ecd4faef015..cc662cd8b54 100644
--- a/include/exec/tswap.h
+++ b/include/exec/tswap.h
@@ -10,17 +10,6 @@
=20
#include "qemu/bswap.h"
=20
-/**
- * target_words_bigendian:
- * Returns true if the (default) endianness of the target is big endian,
- * false otherwise. Note that in target-specific code, you can use
- * TARGET_BIG_ENDIAN directly instead. On the other hand, common
- * code should normally never need to know about the endianness of the
- * target, so please do *not* use this function unless you know very well
- * what you are doing!
- */
-bool target_words_bigendian(void);
-
/*
* If we're in target-specific code, we can hard-code the swapping
* condition, otherwise we have to do (slower) run-time checks.
diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
index b915835bead..ebf6f9e5f5c 100644
--- a/include/qemu/bswap.h
+++ b/include/qemu/bswap.h
@@ -1,6 +1,8 @@
#ifndef BSWAP_H
#define BSWAP_H
=20
+#include <stdbool.h>
+
#undef bswap16
#define bswap16(_x) __builtin_bswap16(_x)
#undef bswap32
@@ -8,6 +10,16 @@
#undef bswap64
#define bswap64(_x) __builtin_bswap64(_x)
=20
+/**
+ * target_words_bigendian:
+ * Returns true if the (default) endianness of the target is big endian,
+ * false otherwise.
+ * Common code should normally never need to know about the endianness of =
the
+ * target, so please do *not* use this function unless you know very well
+ * what you are doing!
+ */
+bool target_words_bigendian(void);
+
static inline uint32_t bswap24(uint32_t x)
{
return (((x & 0x000000ffU) << 16) |
--=20
2.39.5
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
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"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 04/16] exec/memory.h: make devend_memop target agnostic
Date: Sun, 9 Mar 2025 21:58:30 -0700
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Will allow to make system/memory.c common later.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
include/exec/memory.h | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 7c20f36a312..698179b26d2 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -3164,25 +3164,23 @@ address_space_write_cached(MemoryRegionCache *cache=
, hwaddr addr,
MemTxResult address_space_set(AddressSpace *as, hwaddr addr,
uint8_t c, hwaddr len, MemTxAttrs attrs);
=20
-#ifdef COMPILING_PER_TARGET
/* enum device_endian to MemOp. */
static inline MemOp devend_memop(enum device_endian end)
{
QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN !=3D DEVICE_LITTLE_ENDIAN &&
DEVICE_HOST_ENDIAN !=3D DEVICE_BIG_ENDIAN);
=20
-#if HOST_BIG_ENDIAN !=3D TARGET_BIG_ENDIAN
- /* Swap if non-host endianness or native (target) endianness */
- return (end =3D=3D DEVICE_HOST_ENDIAN) ? 0 : MO_BSWAP;
-#else
+ if (HOST_BIG_ENDIAN !=3D target_words_bigendian()) {
+ /* Swap if non-host endianness or native (target) endianness */
+ return (end =3D=3D DEVICE_HOST_ENDIAN) ? 0 : MO_BSWAP;
+ }
+
const int non_host_endianness =3D
DEVICE_LITTLE_ENDIAN ^ DEVICE_BIG_ENDIAN ^ DEVICE_HOST_ENDIAN;
=20
/* In this case, native (target) endianness needs no swap. */
return (end =3D=3D non_host_endianness) ? MO_BSWAP : 0;
-#endif
}
-#endif /* COMPILING_PER_TARGET */
=20
/*
* Inhibit technologies that require discarding of pages in RAM blocks, e.=
g.,
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 05/16] qemu/bswap: implement {ld,st}.*_p as functions
Date: Sun, 9 Mar 2025 21:58:31 -0700
Message-Id: <20250310045842.2650784-6-pierrick.bouvier@linaro.org>
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For now, they are duplicate of the same macros in cpu-all.h that we
eliminate in next commit.
Keep code readable by not defining them with macros, but simply their
implementation.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
include/qemu/bswap.h | 70 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 70 insertions(+)
diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
index ebf6f9e5f5c..46ec62f716d 100644
--- a/include/qemu/bswap.h
+++ b/include/qemu/bswap.h
@@ -442,6 +442,76 @@ DO_STN_LDN_P(be)
=20
#undef DO_STN_LDN_P
=20
+/* Return ld{word}_{le,be}_p following target endianness. */
+#define LOAD_IMPL(word, args...) \
+do { \
+ if (target_words_bigendian()) { \
+ return glue(glue(ld, word), _be_p)(args); \
+ } else { \
+ return glue(glue(ld, word), _le_p)(args); \
+ } \
+} while (0)
+
+static inline int lduw_p(const void *ptr)
+{
+ LOAD_IMPL(uw, ptr);
+}
+
+static inline int ldsw_p(const void *ptr)
+{
+ LOAD_IMPL(sw, ptr);
+}
+
+static inline int ldl_p(const void *ptr)
+{
+ LOAD_IMPL(l, ptr);
+}
+
+static inline uint64_t ldq_p(const void *ptr)
+{
+ LOAD_IMPL(q, ptr);
+}
+
+static inline uint64_t ldn_p(const void *ptr, int sz)
+{
+ LOAD_IMPL(n, ptr, sz);
+}
+
+#undef LOAD_IMPL
+
+/* Call st{word}_{le,be}_p following target endianness. */
+#define STORE_IMPL(word, args...) \
+do { \
+ if (target_words_bigendian()) { \
+ glue(glue(st, word), _be_p)(args); \
+ } else { \
+ glue(glue(st, word), _le_p)(args); \
+ } \
+} while (0)
+
+
+static inline void stw_p(void *ptr, uint16_t v)
+{
+ STORE_IMPL(w, ptr, v);
+}
+
+static inline void stl_p(void *ptr, uint32_t v)
+{
+ STORE_IMPL(l, ptr, v);
+}
+
+static inline void stq_p(void *ptr, uint64_t v)
+{
+ STORE_IMPL(q, ptr, v);
+}
+
+static inline void stn_p(void *ptr, int sz, uint64_t v)
+{
+ STORE_IMPL(n, ptr, sz, v);
+}
+
+#undef STORE_IMPL
+
#undef le_bswap
#undef be_bswap
#undef le_bswaps
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 06/16] exec/cpu-all.h: we can now remove ld/st macros
Date: Sun, 9 Mar 2025 21:58:32 -0700
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Functions declared in bswap.h will be used instead.
At this point, we finished to extract memory API from cpu-all.h, and it
can be called from any common or target dependent code.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
include/exec/cpu-all.h | 25 -------------------------
1 file changed, 25 deletions(-)
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 1c2e18f492b..625b4c51f3c 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -38,31 +38,6 @@
#define BSWAP_NEEDED
#endif
=20
-/* Target-endianness CPU memory access functions. These fit into the
- * {ld,st}{type}{sign}{size}{endian}_p naming scheme described in bswap.h.
- */
-#if TARGET_BIG_ENDIAN
-#define lduw_p(p) lduw_be_p(p)
-#define ldsw_p(p) ldsw_be_p(p)
-#define ldl_p(p) ldl_be_p(p)
-#define ldq_p(p) ldq_be_p(p)
-#define stw_p(p, v) stw_be_p(p, v)
-#define stl_p(p, v) stl_be_p(p, v)
-#define stq_p(p, v) stq_be_p(p, v)
-#define ldn_p(p, sz) ldn_be_p(p, sz)
-#define stn_p(p, sz, v) stn_be_p(p, sz, v)
-#else
-#define lduw_p(p) lduw_le_p(p)
-#define ldsw_p(p) ldsw_le_p(p)
-#define ldl_p(p) ldl_le_p(p)
-#define ldq_p(p) ldq_le_p(p)
-#define stw_p(p, v) stw_le_p(p, v)
-#define stl_p(p, v) stl_le_p(p, v)
-#define stq_p(p, v) stq_le_p(p, v)
-#define ldn_p(p, sz) ldn_le_p(p, sz)
-#define stn_p(p, sz, v) stn_le_p(p, sz, v)
-#endif
-
/* MMU memory access macros */
=20
#if !defined(CONFIG_USER_ONLY)
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 07/16] codebase: prepare to remove cpu.h from exec/exec-all.h
Date: Sun, 9 Mar 2025 21:58:33 -0700
Message-Id: <20250310045842.2650784-8-pierrick.bouvier@linaro.org>
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
include/tcg/tcg-op.h | 1 +
target/ppc/helper_regs.h | 2 ++
hw/ppc/spapr_nested.c | 1 +
hw/sh4/sh7750.c | 1 +
page-vary-target.c | 3 ++-
target/riscv/bitmanip_helper.c | 1 +
6 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/tcg/tcg-op.h b/include/tcg/tcg-op.h
index a02850583bd..bc46b5570c4 100644
--- a/include/tcg/tcg-op.h
+++ b/include/tcg/tcg-op.h
@@ -9,6 +9,7 @@
#define TCG_TCG_OP_H
=20
#include "tcg/tcg-op-common.h"
+#include "exec/target_long.h"
=20
#ifndef TARGET_LONG_BITS
#error must include QEMU headers
diff --git a/target/ppc/helper_regs.h b/target/ppc/helper_regs.h
index 8196c1346dc..b928c2c452d 100644
--- a/target/ppc/helper_regs.h
+++ b/target/ppc/helper_regs.h
@@ -20,6 +20,8 @@
#ifndef HELPER_REGS_H
#define HELPER_REGS_H
=20
+#include "target/ppc/cpu.h"
+
void hreg_swap_gpr_tgpr(CPUPPCState *env);
void hreg_compute_hflags(CPUPPCState *env);
void hreg_update_pmu_hflags(CPUPPCState *env);
diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c
index 23958c6383a..18bbb1403c6 100644
--- a/hw/ppc/spapr_nested.c
+++ b/hw/ppc/spapr_nested.c
@@ -2,6 +2,7 @@
#include "qemu/cutils.h"
#include "exec/exec-all.h"
#include "exec/cputlb.h"
+#include "exec/target_long.h"
#include "helper_regs.h"
#include "hw/ppc/ppc.h"
#include "hw/ppc/spapr.h"
diff --git a/hw/sh4/sh7750.c b/hw/sh4/sh7750.c
index 6faf0e3ca8b..41306fb6008 100644
--- a/hw/sh4/sh7750.c
+++ b/hw/sh4/sh7750.c
@@ -29,6 +29,7 @@
#include "hw/irq.h"
#include "hw/sh4/sh.h"
#include "system/system.h"
+#include "target/sh4/cpu.h"
#include "hw/qdev-properties.h"
#include "hw/qdev-properties-system.h"
#include "sh7750_regs.h"
diff --git a/page-vary-target.c b/page-vary-target.c
index 3f81144cda8..12fda410bb0 100644
--- a/page-vary-target.c
+++ b/page-vary-target.c
@@ -20,8 +20,9 @@
#define IN_PAGE_VARY 1
=20
#include "qemu/osdep.h"
-#include "exec/page-vary.h"
#include "exec/exec-all.h"
+#include "exec/page-vary.h"
+#include "exec/target_page.h"
=20
bool set_preferred_target_page_bits(int bits)
{
diff --git a/target/riscv/bitmanip_helper.c b/target/riscv/bitmanip_helper.c
index b99c4a39a1f..d93312a811c 100644
--- a/target/riscv/bitmanip_helper.c
+++ b/target/riscv/bitmanip_helper.c
@@ -21,6 +21,7 @@
#include "qemu/osdep.h"
#include "qemu/host-utils.h"
#include "exec/exec-all.h"
+#include "exec/target_long.h"
#include "exec/helper-proto.h"
#include "tcg/tcg.h"
=20
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
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Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 08/16] exec/exec-all: remove dependency on cpu.h
Date: Sun, 9 Mar 2025 21:58:34 -0700
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---
include/exec/exec-all.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index dd5c40f2233..19b0eda44a7 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -20,7 +20,6 @@
#ifndef EXEC_ALL_H
#define EXEC_ALL_H
=20
-#include "cpu.h"
#if defined(CONFIG_USER_ONLY)
#include "exec/cpu_ldst.h"
#endif
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
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=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
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Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 09/16] exec/memory-internal: remove dependency on cpu.h
Date: Sun, 9 Mar 2025 21:58:35 -0700
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
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---
include/exec/memory-internal.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 100c1237ac2..b729f3b25ad 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -20,8 +20,6 @@
#ifndef MEMORY_INTERNAL_H
#define MEMORY_INTERNAL_H
=20
-#include "cpu.h"
-
#ifndef CONFIG_USER_ONLY
static inline AddressSpaceDispatch *flatview_to_dispatch(FlatView *fv)
{
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
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Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 10/16] exec/ram_addr: remove dependency on cpu.h
Date: Sun, 9 Mar 2025 21:58:36 -0700
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
include/exec/ram_addr.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 3d8df4edf15..7c011fadd11 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -20,13 +20,14 @@
#define RAM_ADDR_H
=20
#ifndef CONFIG_USER_ONLY
-#include "cpu.h"
#include "system/xen.h"
#include "system/tcg.h"
#include "exec/cputlb.h"
#include "exec/ramlist.h"
#include "exec/ramblock.h"
#include "exec/exec-all.h"
+#include "exec/memory.h"
+#include "exec/target_page.h"
#include "qemu/rcu.h"
=20
#include "exec/hwaddr.h"
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 11/16] system/kvm: make kvm_flush_coalesced_mmio_buffer()
accessible for common code
Date: Sun, 9 Mar 2025 21:58:37 -0700
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This function is used by system/physmem.c will be turn into common code
in next commit.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
include/system/kvm.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/system/kvm.h b/include/system/kvm.h
index ab17c09a551..21da3b8b052 100644
--- a/include/system/kvm.h
+++ b/include/system/kvm.h
@@ -210,11 +210,11 @@ bool kvm_arm_supports_user_irq(void);
int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
int kvm_on_sigbus(int code, void *addr);
=20
-#ifdef COMPILING_PER_TARGET
-#include "cpu.h"
-
void kvm_flush_coalesced_mmio_buffer(void);
=20
+#ifdef COMPILING_PER_TARGET
+#include "cpu.h"
+
/**
* kvm_update_guest_debug(): ensure KVM debug structures updated
* @cs: the CPUState for this cpu
--=20
2.39.5
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 12/16] exec/ram_addr: call xen_hvm_modified_memory only if xen
is enabled
Date: Sun, 9 Mar 2025 21:58:38 -0700
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
include/exec/ram_addr.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 7c011fadd11..098fccb5835 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -342,7 +342,9 @@ static inline void cpu_physical_memory_set_dirty_range(=
ram_addr_t start,
}
}
=20
- xen_hvm_modified_memory(start, length);
+ if (xen_enabled()) {
+ xen_hvm_modified_memory(start, length);
+ }
}
=20
#if !defined(_WIN32)
@@ -418,7 +420,9 @@ uint64_t cpu_physical_memory_set_dirty_lebitmap(unsigne=
d long *bitmap,
}
}
=20
- xen_hvm_modified_memory(start, pages << TARGET_PAGE_BITS);
+ if (xen_enabled()) {
+ xen_hvm_modified_memory(start, pages << TARGET_PAGE_BITS);
+ }
} else {
uint8_t clients =3D tcg_enabled() ? DIRTY_CLIENTS_ALL : DIRTY_CLIE=
NTS_NOCODE;
=20
--=20
2.39.5
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 13/16] hw/xen: add stubs for various functions
Date: Sun, 9 Mar 2025 21:58:39 -0700
Message-Id: <20250310045842.2650784-14-pierrick.bouvier@linaro.org>
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Those functions are used by system/physmem.c, and are called only if
xen is enabled (which happens only if CONFIG_XEN is not set).
So we can crash in case those are called.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
---
hw/xen/xen_stubs.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++
hw/xen/meson.build | 3 +++
2 files changed, 59 insertions(+)
create mode 100644 hw/xen/xen_stubs.c
diff --git a/hw/xen/xen_stubs.c b/hw/xen/xen_stubs.c
new file mode 100644
index 00000000000..19cee84bbb4
--- /dev/null
+++ b/hw/xen/xen_stubs.c
@@ -0,0 +1,56 @@
+/*
+ * Various stubs for xen functions
+ *
+ * Those functions are used only if xen_enabled(). This file is linked onl=
y if
+ * CONFIG_XEN is not set, so they should never be called.
+ *
+ * Copyright (c) 2025 Linaro, Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "system/xen.h"
+#include "system/xen-mapcache.h"
+
+void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
+{
+ g_assert_not_reached();
+}
+
+void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
+ struct MemoryRegion *mr, Error **errp)
+{
+ g_assert_not_reached();
+}
+
+bool xen_mr_is_memory(MemoryRegion *mr)
+{
+ g_assert_not_reached();
+}
+
+void xen_invalidate_map_cache_entry(uint8_t *buffer)
+{
+ g_assert_not_reached();
+}
+
+void xen_invalidate_map_cache(void)
+{
+ g_assert_not_reached();
+}
+
+ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
+{
+ g_assert_not_reached();
+}
+
+uint8_t *xen_map_cache(MemoryRegion *mr,
+ hwaddr phys_addr,
+ hwaddr size,
+ ram_addr_t ram_addr_offset,
+ uint8_t lock,
+ bool dma,
+ bool is_write)
+{
+ g_assert_not_reached();
+}
diff --git a/hw/xen/meson.build b/hw/xen/meson.build
index 4a486e36738..a1850e76988 100644
--- a/hw/xen/meson.build
+++ b/hw/xen/meson.build
@@ -9,6 +9,9 @@ system_ss.add(when: ['CONFIG_XEN_BUS'], if_true: files(
=20
system_ss.add(when: ['CONFIG_XEN', xen], if_true: files(
'xen-operations.c',
+),
+if_false: files(
+ 'xen_stubs.c',
))
=20
xen_specific_ss =3D ss.source_set()
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 14/16] system/physmem: compilation unit is now common to all
targets
Date: Sun, 9 Mar 2025 21:58:40 -0700
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
system/meson.build | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/system/meson.build b/system/meson.build
index c83d80fa248..9d0b0122e54 100644
--- a/system/meson.build
+++ b/system/meson.build
@@ -2,7 +2,6 @@ specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_true: [files(
'arch_init.c',
'ioport.c',
'memory.c',
- 'physmem.c',
)])
=20
system_ss.add(files(
@@ -15,6 +14,7 @@ system_ss.add(files(
'dma-helpers.c',
'globals.c',
'memory_mapping.c',
+ 'physmem.c',
'qdev-monitor.c',
'qtest.c',
'rtc.c',
--=20
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
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Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 15/16] system/memory: make compilation unit common
Date: Sun, 9 Mar 2025 21:58:41 -0700
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
system/memory.c | 22 +++++++++++++++-------
system/meson.build | 2 +-
2 files changed, 16 insertions(+), 8 deletions(-)
diff --git a/system/memory.c b/system/memory.c
index 4c829793a0a..b401be8b5f1 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -355,11 +355,11 @@ static void flatview_simplify(FlatView *view)
=20
static bool memory_region_big_endian(MemoryRegion *mr)
{
-#if TARGET_BIG_ENDIAN
- return mr->ops->endianness !=3D DEVICE_LITTLE_ENDIAN;
-#else
- return mr->ops->endianness =3D=3D DEVICE_BIG_ENDIAN;
-#endif
+ if (target_words_bigendian()) {
+ return mr->ops->endianness !=3D DEVICE_LITTLE_ENDIAN;
+ } else {
+ return mr->ops->endianness =3D=3D DEVICE_BIG_ENDIAN;
+ }
}
=20
static void adjust_endianness(MemoryRegion *mr, uint64_t *data, MemOp op)
@@ -2584,7 +2584,11 @@ void memory_region_add_eventfd(MemoryRegion *mr,
unsigned i;
=20
if (size) {
- adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_TE);
+ if (target_words_bigendian()) {
+ adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_BE);
+ } else {
+ adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_LE);
+ }
}
memory_region_transaction_begin();
for (i =3D 0; i < mr->ioeventfd_nb; ++i) {
@@ -2619,7 +2623,11 @@ void memory_region_del_eventfd(MemoryRegion *mr,
unsigned i;
=20
if (size) {
- adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_TE);
+ if (target_words_bigendian()) {
+ adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_BE);
+ } else {
+ adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_LE);
+ }
}
memory_region_transaction_begin();
for (i =3D 0; i < mr->ioeventfd_nb; ++i) {
diff --git a/system/meson.build b/system/meson.build
index 9d0b0122e54..881cb2736fe 100644
--- a/system/meson.build
+++ b/system/meson.build
@@ -1,7 +1,6 @@
specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_true: [files(
'arch_init.c',
'ioport.c',
- 'memory.c',
)])
=20
system_ss.add(files(
@@ -14,6 +13,7 @@ system_ss.add(files(
'dma-helpers.c',
'globals.c',
'memory_mapping.c',
+ 'memory.c',
'physmem.c',
'qdev-monitor.c',
'qtest.c',
--=20
2.39.5
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From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Alistair Francis <alistair.francis@wdc.com>,
Richard Henderson <richard.henderson@linaro.org>,
Harsh Prateek Bora <harshpb@linux.ibm.com>, alex.bennee@linaro.org,
Palmer Dabbelt <palmer@dabbelt.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>, kvm@vger.kernel.org,
Peter Xu <peterx@redhat.com>, Nicholas Piggin <npiggin@gmail.com>,
Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>, Weiwei Li <liwei1518@gmail.com>,
Paul Durrant <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Anthony PERARD <anthony@xenproject.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
manos.pitsidianakis@linaro.org, qemu-riscv@nongnu.org,
Paolo Bonzini <pbonzini@redhat.com>, xen-devel@lists.xenproject.org,
Stefano Stabellini <sstabellini@kernel.org>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>
Subject: [PATCH 16/16] system/ioport: make compilation unit common
Date: Sun, 9 Mar 2025 21:58:42 -0700
Message-Id: <20250310045842.2650784-17-pierrick.bouvier@linaro.org>
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Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
system/ioport.c | 1 -
system/meson.build | 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/system/ioport.c b/system/ioport.c
index 55c2a752396..89daae9d602 100644
--- a/system/ioport.c
+++ b/system/ioport.c
@@ -26,7 +26,6 @@
*/
=20
#include "qemu/osdep.h"
-#include "cpu.h"
#include "exec/ioport.h"
#include "exec/memory.h"
#include "exec/address-spaces.h"
diff --git a/system/meson.build b/system/meson.build
index 881cb2736fe..3faec7e4dfb 100644
--- a/system/meson.build
+++ b/system/meson.build
@@ -1,6 +1,5 @@
specific_ss.add(when: 'CONFIG_SYSTEM_ONLY', if_true: [files(
'arch_init.c',
- 'ioport.c',
)])
=20
system_ss.add(files(
@@ -12,6 +11,7 @@ system_ss.add(files(
'dirtylimit.c',
'dma-helpers.c',
'globals.c',
+ 'ioport.c',
'memory_mapping.c',
'memory.c',
'physmem.c',
--=20
2.39.5