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[Qemu-devel] [PATCH] sparc32 fix MXCC error bit clearing
From: |
Robert Reif |
Subject: |
[Qemu-devel] [PATCH] sparc32 fix MXCC error bit clearing |
Date: |
Thu, 15 Nov 2007 18:30:54 -0500 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.2) Gecko/20040308 |
Fix MXCC error register bit clearing.
Index: target-sparc/op_helper.c
===================================================================
RCS file: /sources/qemu/qemu/target-sparc/op_helper.c,v
retrieving revision 1.52
diff -p -u -r1.52 op_helper.c
--- target-sparc/op_helper.c 11 Nov 2007 19:46:09 -0000 1.52
+++ target-sparc/op_helper.c 15 Nov 2007 23:28:12 -0000
@@ -438,13 +446,11 @@ void helper_st_asi(int asi, int size)
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", T0,
size);
break;
case 0x01c00e00: /* MXCC error register */
+ // writing a 1 bit clears the error
if (size == 8)
- env->mxccregs[6] = ((uint64_t)T1 << 32) | T2;
+ env->mxccregs[6] &= ~(((uint64_t)T1 << 32) | T2);
else
DPRINTF_MXCC("%08x: unimplemented access size: %d\n", T0,
size);
- if (env->mxccregs[6] == 0xffffffffffffffffULL) {
- // this is probably a reset
- }
break;
case 0x01c00f00: /* MBus port address register */
if (size == 8)
- [Qemu-devel] [PATCH] sparc32 fix MXCC error bit clearing,
Robert Reif <=