[v1] Memory API patches for 2026-01-22

[PULL 15/31] system: Allow restricting the legacy translator_ld() 'native-endian' API

Philippe Mathieu-Daudé posted 31 patches 3 days, 1 hour ago

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Maintainers: Paolo Bonzini <pbonzini@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Ari Sundholm <ari@tuxera.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Xie Yongji <xieyongji@bytedance.com>, "Michael S. Tsirkin" <mst@redhat.com>, Stefano Garzarella <sgarzare@redhat.com>, Coiby Xu <Coiby.Xu@gmail.com>, Stefan Hajnoczi <stefanha@redhat.com>, "Denis V. Lunev" <den@openvz.org>, Laurent Vivier <laurent@vivier.eu>, Song Gao <gaosong@loongson.cn>, Bibo Mao <maobibo@loongson.cn>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Thomas Huth <thuth@redhat.com>, Ani Sinha <anisinha@redhat.com>, Christian Schoenebeck <qemu_oss@crudebyte.com>, Greg Kurz <groug@kaod.org>, John Snow <jsnow@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Francisco Iglesias <francisco.iglesias@amd.com>, Vikram Garhwal <vikram.garhwal@bytedance.com>, Jason Wang <jasowang@redhat.com>, Alistair Francis <alistair@alistair23.me>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Fam Zheng <fam@euphon.net>, Bin Meng <bmeng.cn@gmail.com>, Richard Henderson <richard.henderson@linaro.org>, Peter Xu <peterx@redhat.com>, Michael Roth <michael.roth@amd.com>, Kostiantyn Kostiuk <kkostiuk@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Fabiano Rosas <farosas@suse.de>, "Cédric Le Goater" <clg@kaod.org>, Steven Lee <steven_lee@aspeedtech.com>, Troy Lee <leetroy@gmail.com>, Jamin Lin <jamin_lin@aspeedtech.com>, Andrew Jeffery <andrew@codeconstruct.com.au>, Joel Stanley <joel@jms.id.au>, Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>, Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>, Nicholas Piggin <npiggin@gmail.com>, Harsh Prateek Bora <harshpb@linux.ibm.com>, Tyrone Ting <kfting@nuvoton.com>, Hao Wu <wuhaotsh@google.com>, Stefan Berger <stefanb@linux.vnet.ibm.com>, Jeuk Kim <jeuk20.kim@samsung.com>, Eric Blake <eblake@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>

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[PULL 15/31] system: Allow restricting the legacy translator_ld() 'native-endian' API

Posted by Philippe Mathieu-Daudé 3 days, 1 hour ago

Guard the native endian APIs we want to remove by surrounding
them with TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API #ifdef'ry.

Once a target gets cleaned we'll set the definition in the
target config, then the target won't be able to use the legacy
API anymore.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20260109165058.59144-18-philmd@linaro.org>
---
 include/exec/translator.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/exec/translator.h b/include/exec/translator.h
index 3c326555696..8d343627bd9 100644
--- a/include/exec/translator.h
+++ b/include/exec/translator.h
@@ -188,7 +188,8 @@ uint32_t translator_ldl_end(CPUArchState *env, DisasContextBase *db,
 uint64_t translator_ldq_end(CPUArchState *env, DisasContextBase *db,
                             vaddr pc, MemOp endian);
 
-#ifdef COMPILING_PER_TARGET
+#if !defined(TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API) \
+    && defined(COMPILING_PER_TARGET)
 static inline uint16_t
 translator_lduw(CPUArchState *env, DisasContextBase *db, vaddr pc)
 {
@@ -227,7 +228,7 @@ translator_ldq_swap(CPUArchState *env, DisasContextBase *db,
 {
     return translator_ldq_end(env, db, pc, MO_TE ^ (do_swap * MO_BSWAP));
 }
-#endif /* COMPILING_PER_TARGET */
+#endif /* !TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API && COMPILING_PER_TARGET */
 
 /**
  * translator_fake_ld - fake instruction load
-- 
2.52.0