aboutsummaryrefslogtreecommitdiff
path: root/exec.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2013-05-24 12:40:43 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2013-05-29 16:27:29 +0200
commita649b9168cb9169b41532b168b94294e2be32e50 (patch)
treea5777db5003d245a760ba61e3a14077d5546fe74 /exec.c
parent968a5627c80ff2b9fd1ed40f9400897088bd661a (diff)
downloadqemu-a649b9168cb9169b41532b168b94294e2be32e50.zip
qemu-a649b9168cb9169b41532b168b94294e2be32e50.tar.gz
qemu-a649b9168cb9169b41532b168b94294e2be32e50.tar.bz2
exec: just use io_mem_read/io_mem_write for 8-byte I/O accesses
The memory API is able to split it in two 4-byte accesses. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/exec.c b/exec.c
index 453946e..878f021 100644
--- a/exec.c
+++ b/exec.c
@@ -2263,13 +2263,7 @@ static inline uint64_t ldq_phys_internal(hwaddr addr,
false);
if (l < 8 || !memory_access_is_direct(section->mr, false)) {
/* I/O case */
-#ifdef TARGET_WORDS_BIGENDIAN
- val = io_mem_read(section->mr, addr1, 4) << 32;
- val |= io_mem_read(section->mr, addr1 + 4, 4);
-#else
- val = io_mem_read(section->mr, addr1, 4);
- val |= io_mem_read(section->mr, addr1 + 4, 4) << 32;
-#endif
+ val = io_mem_read(section->mr, addr1, 8);
#if defined(TARGET_WORDS_BIGENDIAN)
if (endian == DEVICE_LITTLE_ENDIAN) {
val = bswap64(val);