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[Xen-ia64-devel] [PATCH][GFW] fix unalignment ref with gcc 4.x
| To: | tgingold@xxxxxxx |
|---|---|
| Subject: | [Xen-ia64-devel] [PATCH][GFW] fix unalignment ref with gcc 4.x |
| From: | Kouya Shimura <kouya@xxxxxxxxxxxxxx> |
| Date: | Mon, 15 Oct 2007 17:59:59 +0900 |
| Cc: | xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 15 Oct 2007 02:00:33 -0700 |
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Hi Tristan, The attached patch fix unalignment reference with gcc 4.x. I tested the binary built with gcc 4.1.1 works fine. Thanks, Kouya Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx> diff -r 8ecccd88813c edk2-sparse/EdkXenPkg/Cpu/Itanium/Timer/Dxe/Timer.c
--- a/edk2-sparse/EdkXenPkg/Cpu/Itanium/Timer/Dxe/Timer.c Thu Oct 11
02:09:46 2007 +0200
+++ b/edk2-sparse/EdkXenPkg/Cpu/Itanium/Timer/Dxe/Timer.c Mon Oct 15
15:50:46 2007 +0900
@@ -421,15 +421,15 @@ VOID
VOID
check_regs (VOID)
{
- long save[SAVESZ / 8];
- long rand[RANDSZ / 8];
+ long save[SAVESZ / 8] __attribute__ ((aligned (16)));
+ long rand[RANDSZ / 8] __attribute__ ((aligned (16)));
long *r;
int i;
for (i = 0; i < RANDSZ; i++)
((unsigned char*)rand)[i] = i ^ 0x59;
- if (r = regcheck(save, rand)) {
+ if ((r = regcheck(save, rand))) {
int reg = r - rand;
asm volatile ("rsm psr.ic;; mov r2=%0; break 4" : : "r"(reg));
#if 0
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