qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
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



  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250314173139.2122904-17-pierrick.bouvier@linaro.org \
    --to=pierrick.bouvier@linaro.org \
    --cc=alex.bennee@linaro.org \
    --cc=alistair.francis@wdc.com \
    --cc=anthony@xenproject.org \
    --cc=danielhb413@gmail.com \
    --cc=david@redhat.com \
    --cc=edgar.iglesias@gmail.com \
    --cc=harshpb@linux.ibm.com \
    --cc=kvm@vger.kernel.org \
    --cc=liwei1518@gmail.com \
    --cc=manos.pitsidianakis@linaro.org \
    --cc=npiggin@gmail.com \
    --cc=palmer@dabbelt.com \
    --cc=paul@xen.org \
    --cc=pbonzini@redhat.com \
    --cc=peterx@redhat.com \
    --cc=philmd@linaro.org \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-ppc@nongnu.org \
    --cc=qemu-riscv@nongnu.org \
    --cc=richard.henderson@linaro.org \
    --cc=sstabellini@kernel.org \
    --cc=xen-devel@lists.xenproject.org \
    --cc=ysato@users.sourceforge.jp \
    --cc=zhiwei_liu@linux.alibaba.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).