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# HG changeset patch
# User kfraser@localhost.localdomain
# Date 1188398875 -3600
# Node ID b485d8d7347ae33492490d1aca4b404af89b53e2
# Parent 2eb38cefdcd934d7f1142f1ca4f29e118ca04926
ioemu: Avoid unaligned guest memory accesses on ia64.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
---
tools/ioemu/target-i386-dm/exec-dm.c | 6 ++++++
1 files changed, 6 insertions(+)

diff -r 2eb38cefdcd9 -r b485d8d7347a tools/ioemu/target-i386-dm/exec-dm.c
--- a/tools/ioemu/target-i386-dm/exec-dm.c Wed Aug 29 15:43:53 2007 +0100
+++ b/tools/ioemu/target-i386-dm/exec-dm.c Wed Aug 29 15:47:55 2007 +0100
@@ -470,6 +470,12 @@ static void memcpy_words(void *dst, void
#else
static void memcpy_words(void *dst, void *src, size_t n)
{
+ /* Some architectures do not like unaligned accesses. */
+ if (((unsigned long)dst | (unsigned long)src) & 3) {
+ memcpy(dst, src, n);
+ return;
+ }
+
while (n >= sizeof(uint32_t)) {
*((uint32_t *)dst) = *((uint32_t *)src);
dst = ((uint32_t *)dst) + 1;

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