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Fixed possible mmory bug

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This commit is contained in:
Stanislav Shwartsman 2008-12-29 19:18:21 +00:00
parent 3fb9d7d712
commit aff71784fc
1 changed files with 3 additions and 3 deletions
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6
bochs/cpu/msr.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: msr.cc,v 1.4 2008-12-28 20:30:48 sshwarts Exp $
// $Id: msr.cc,v 1.5 2008-12-29 19:18:21 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2008 Stanislav Shwartsman
@ -194,7 +194,7 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::RDMSR(bxInstruction_c *i)
default:
#if BX_CONFIGURE_MSRS
if (BX_CPU_THIS_PTR msrs[index]) {
if (index < BX_MSR_MAX_INDEX && BX_CPU_THIS_PTR msrs[index]) {
RAX = GET32L(BX_CPU_THIS_PTR msrs[index]->get64());
RDX = GET32H(BX_CPU_THIS_PTR msrs[index]->get64());
break;
@ -470,7 +470,7 @@ void BX_CPP_AttrRegparmN(1) BX_CPU_C::WRMSR(bxInstruction_c *i)
default:
#if BX_CONFIGURE_MSRS
if (BX_CPU_THIS_PTR msrs[index]) {
if (index < BX_MSR_MAX_INDEX && BX_CPU_THIS_PTR msrs[index]) {
if (! BX_CPU_THIS_PTR msrs[index]->set64(val64)) {
BX_ERROR(("WRMSR: Write failed to MSR %#x - #GP fault", index));
exception(BX_GP_EXCEPTION, 0, 0);