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exec/memory.h: make devend_memop "target defines" agnostic

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Will allow to make system/memory.c common later.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250317183417.285700-6-pierrick.bouvier@linaro.org>
This commit is contained in:
Pierrick Bouvier 2025-03-17 11:34:04 -07:00 • committed by Richard Henderson
parent 713b5e1dcc
commit 82b75e943b
1 changed files with 4 additions and 12 deletions
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16
include/exec/memory.h
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@ -3138,25 +3138,17 @@ address_space_write_cached(MemoryRegionCache *cache, hwaddr addr,
MemTxResult address_space_set(AddressSpace *as, hwaddr addr,
uint8_t c, hwaddr len, MemTxAttrs attrs);
#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 != DEVICE_LITTLE_ENDIAN &&
DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN
/* Swap if non-host endianness or native (target) endianness */
return (end == DEVICE_HOST_ENDIAN) ? 0 : MO_BSWAP;
#else
const int non_host_endianness =
DEVICE_LITTLE_ENDIAN ^ DEVICE_BIG_ENDIAN ^ DEVICE_HOST_ENDIAN;
/* In this case, native (target) endianness needs no swap. */
return (end == non_host_endianness) ? MO_BSWAP : 0;
#endif
bool big_endian = (end == DEVICE_NATIVE_ENDIAN
? target_words_bigendian()
: end == DEVICE_BIG_ENDIAN);
return big_endian ? MO_BE : MO_LE;
}
#endif /* COMPILING_PER_TARGET */
/*
* Inhibit technologies that require discarding of pages in RAM blocks, e.g.,