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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2025-04-23 13:11:31 +0200
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2025-04-25 17:09:58 +0200
commit8af0e52b28c553c901e7c564c3380cd56d363053 (patch)
tree232c2ff0eb5f32d61ba7e38d05e46ced659f5c3b
parent16704598bf3fa8578880e7146a0196d9411ea098 (diff)
downloadfocaccia-qemu-8af0e52b28c553c901e7c564c3380cd56d363053.tar.gz
focaccia-qemu-8af0e52b28c553c901e7c564c3380cd56d363053.zip
system/memory: Remove DEVICE_HOST_ENDIAN definition
Since the previous commit ("exec/memory.h: make devend_memop
"target defines" agnostic") there is a single use of the
DEVICE_HOST_ENDIAN definition in ram_device_mem_ops: inline
it and remove its definition altogether.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250423111625.10424-1-philmd@linaro.org>
-rw-r--r--include/exec/cpu-common.h6
-rw-r--r--system/memory-internal.h3
-rw-r--r--system/memory.c2
3 files changed, 1 insertions, 10 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 9b83fd7ac8..dab1e7e580 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -44,12 +44,6 @@ enum device_endian {
     DEVICE_LITTLE_ENDIAN,
 };
 
-#if HOST_BIG_ENDIAN
-#define DEVICE_HOST_ENDIAN DEVICE_BIG_ENDIAN
-#else
-#define DEVICE_HOST_ENDIAN DEVICE_LITTLE_ENDIAN
-#endif
-
 /* address in the RAM (different from a physical address) */
 #if defined(CONFIG_XEN_BACKEND)
 typedef uint64_t ram_addr_t;
diff --git a/system/memory-internal.h b/system/memory-internal.h
index 29717b3c58..46f758fa7e 100644
--- a/system/memory-internal.h
+++ b/system/memory-internal.h
@@ -41,9 +41,6 @@ void mtree_print_dispatch(struct AddressSpaceDispatch *d,
 /* returns true if end is big endian. */
 static inline bool devend_big_endian(enum device_endian end)
 {
-    QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN != DEVICE_LITTLE_ENDIAN &&
-                      DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
-
     if (end == DEVICE_NATIVE_ENDIAN) {
         return target_big_endian();
     }
diff --git a/system/memory.c b/system/memory.c
index 67e433095b..71434e7ad0 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -1382,7 +1382,7 @@ static void memory_region_ram_device_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps ram_device_mem_ops = {
     .read = memory_region_ram_device_read,
     .write = memory_region_ram_device_write,
-    .endianness = DEVICE_HOST_ENDIAN,
+    .endianness = HOST_BIG_ENDIAN ? DEVICE_BIG_ENDIAN : DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 1,
         .max_access_size = 8,