* [Qemu-devel] [4823] ARMv7-M interrupt stack alignment fix.
@ 2008-07-02 16:44 Paul Brook
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From: Paul Brook @ 2008-07-02 16:44 UTC (permalink / raw)
To: qemu-devel
Revision: 4823
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4823
Author: pbrook
Date: 2008-07-02 16:44:09 +0000 (Wed, 02 Jul 2008)
Log Message:
-----------
ARMv7-M interrupt stack alignment fix.
Modified Paths:
--------------
trunk/target-arm/helper.c
Modified: trunk/target-arm/helper.c
===================================================================
--- trunk/target-arm/helper.c 2008-07-02 15:17:21 UTC (rev 4822)
+++ trunk/target-arm/helper.c 2008-07-02 16:44:09 UTC (rev 4823)
@@ -674,7 +674,7 @@
/* ??? Should only do this if Configuration Control Register
STACKALIGN bit is set. */
if (env->regs[13] & 4) {
- env->regs[13] += 4;
+ env->regs[13] -= 4;
xpsr |= 0x200;
}
/* Switch to the handler mode. */
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2008-07-02 16:44 [Qemu-devel] [4823] ARMv7-M interrupt stack alignment fix Paul Brook
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