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system: Allow restricting legacy address_space_ldst() native-endian API

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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: <20260109165058.59144-16-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé
2025-12-09 19:24:05 +01:00
parent 23b34de6df
commit 5d267f5b85
3 changed files with 6 additions and 0 deletions
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2
include/system/memory_cached.h
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@@ -80,8 +80,10 @@ void address_space_stb_cached(MemoryRegionCache *cache,
}
}
#ifndef TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API
#define ENDIANNESS
#include "system/memory_ldst_cached.h.inc"
#endif
#define ENDIANNESS _le
#include "system/memory_ldst_cached.h.inc"

2
include/system/memory_ldst.h.inc
View File

@@ -25,8 +25,10 @@ uint8_t glue(address_space_ldub, SUFFIX)(ARG1_DECL,
void glue(address_space_stb, SUFFIX)(ARG1_DECL,
hwaddr addr, uint8_t val, MemTxAttrs attrs, MemTxResult *result);
#ifndef TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API
#define ENDIANNESS
#include "system/memory_ldst_endian.h.inc"
#endif /* TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API */
#define ENDIANNESS _le
#include "system/memory_ldst_endian.h.inc"

2
system/memory_ldst.c.inc
View File

@@ -105,9 +105,11 @@ void glue(address_space_stb, SUFFIX)(ARG1_DECL, hwaddr addr, uint8_t val,
attrs, result);
}
#ifndef TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API
#define ENDIANNESS
#define MO_ENDIAN (target_big_endian() ? MO_BE : MO_LE)
#include "memory_ldst_endian.c.inc"
#endif /* TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API */
#define ENDIANNESS _le
#define MO_ENDIAN MO_LE