From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org,
"Yoshinori Sato" <ysato@users.sourceforge.jp>,
"Paul Durrant" <paul@xen.org>, "Peter Xu" <peterx@redhat.com>,
alex.bennee@linaro.org,
"Harsh Prateek Bora" <harshpb@linux.ibm.com>,
"David Hildenbrand" <david@redhat.com>,
"Alistair Francis" <alistair.francis@wdc.com>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
"Liu Zhiwei" <zhiwei_liu@linux.alibaba.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Daniel Henrique Barboza" <danielhb413@gmail.com>,
qemu-riscv@nongnu.org, manos.pitsidianakis@linaro.org,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Anthony PERARD" <anthony@xenproject.org>,
kvm@vger.kernel.org, xen-devel@lists.xenproject.org,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Weiwei Li" <liwei1518@gmail.com>,
"Pierrick Bouvier" <pierrick.bouvier@linaro.org>
Subject: [PATCH v5 16/17] system/memory: make compilation unit common
Date: Fri, 14 Mar 2025 10:31:38 -0700 [thread overview]
Message-ID: <20250314173139.2122904-17-pierrick.bouvier@linaro.org> (raw)
In-Reply-To: <20250314173139.2122904-1-pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
system/memory.c | 17 +++++------------
system/meson.build | 2 +-
2 files changed, 6 insertions(+), 13 deletions(-)
diff --git a/system/memory.c b/system/memory.c
index 4c829793a0a..eddd21a6cdb 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -353,15 +353,6 @@ static void flatview_simplify(FlatView *view)
}
}
-static bool memory_region_big_endian(MemoryRegion *mr)
-{
-#if TARGET_BIG_ENDIAN
- return mr->ops->endianness != DEVICE_LITTLE_ENDIAN;
-#else
- return mr->ops->endianness == DEVICE_BIG_ENDIAN;
-#endif
-}
-
static void adjust_endianness(MemoryRegion *mr, uint64_t *data, MemOp op)
{
if ((op & MO_BSWAP) != devend_memop(mr->ops->endianness)) {
@@ -563,7 +554,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
/* FIXME: support unaligned access? */
access_size = MAX(MIN(size, access_size_max), access_size_min);
access_mask = MAKE_64BIT_MASK(0, access_size * 8);
- if (memory_region_big_endian(mr)) {
+ if (devend_big_endian(mr->ops->endianness)) {
for (i = 0; i < size; i += access_size) {
r |= access_fn(mr, addr + i, value, access_size,
(size - access_size - i) * 8, access_mask, attrs);
@@ -2584,7 +2575,8 @@ void memory_region_add_eventfd(MemoryRegion *mr,
unsigned i;
if (size) {
- adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_TE);
+ MemOp mop = (target_words_bigendian() ? MO_BE : MO_LE) | size_memop(size);
+ adjust_endianness(mr, &mrfd.data, mop);
}
memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
@@ -2619,7 +2611,8 @@ void memory_region_del_eventfd(MemoryRegion *mr,
unsigned i;
if (size) {
- adjust_endianness(mr, &mrfd.data, size_memop(size) | MO_TE);
+ MemOp mop = (target_words_bigendian() ? MO_BE : MO_LE) | size_memop(size);
+ adjust_endianness(mr, &mrfd.data, mop);
}
memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
diff --git a/system/meson.build b/system/meson.build
index bd82ef132e7..4f44b78df31 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',
'globals-target.c',
- 'memory.c',
)])
system_ss.add(files(
@@ -15,6 +14,7 @@ system_ss.add(files(
'dma-helpers.c',
'globals.c',
'memory_mapping.c',
+ 'memory.c',
'physmem.c',
'qdev-monitor.c',
'qtest.c',
--
2.39.5
next prev parent reply other threads:[~2025-03-14 17:39 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-14 17:31 [PATCH v5 00/17] make system memory API available for common code Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 01/17] exec/tswap: target code can use TARGET_BIG_ENDIAN instead of target_words_bigendian() Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 02/17] exec/tswap: implement {ld, st}.*_p as functions instead of macros Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 03/17] exec/memory_ldst: extract memory_ldst declarations from cpu-all.h Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 04/17] exec/memory_ldst_phys: extract memory_ldst_phys " Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 05/17] exec/memory.h: make devend_memop "target defines" agnostic Pierrick Bouvier
2025-03-17 15:48 ` Philippe Mathieu-Daudé
2025-03-17 16:08 ` Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 06/17] codebase: prepare to remove cpu.h from exec/exec-all.h Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 07/17] exec/exec-all: remove dependency on cpu.h Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 08/17] exec/memory-internal: " Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 09/17] exec/ram_addr: " Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 10/17] system/kvm: make kvm_flush_coalesced_mmio_buffer() accessible for common code Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 11/17] exec/ram_addr: call xen_hvm_modified_memory only if xen is enabled Pierrick Bouvier
2025-03-17 15:50 ` Philippe Mathieu-Daudé
2025-03-17 16:07 ` Pierrick Bouvier
2025-03-17 16:22 ` Philippe Mathieu-Daudé
2025-03-17 16:23 ` Philippe Mathieu-Daudé
2025-03-17 17:02 ` Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 12/17] hw/xen: add stubs for various functions Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 13/17] system/physmem: compilation unit is now common to all targets Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 14/17] include/exec/memory: extract devend_big_endian from devend_memop Pierrick Bouvier
2025-03-14 17:31 ` [PATCH v5 15/17] include/exec/memory: move devend functions to memory-internal.h Pierrick Bouvier
2025-03-17 15:52 ` Philippe Mathieu-Daudé
2025-03-14 17:31 ` Pierrick Bouvier [this message]
2025-03-14 17:31 ` [PATCH v5 17/17] system/ioport: make compilation unit common Pierrick Bouvier
2025-03-14 17:33 ` [PATCH v5 00/17] make system memory API available for common code Pierrick Bouvier
2025-03-14 18:34 ` Anthony PERARD
2025-03-14 18:39 ` Pierrick Bouvier
2025-03-17 9:21 ` Philippe Mathieu-Daudé
2025-03-17 15:32 ` Markus Armbruster
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