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optimization

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This commit is contained in:
Stanislav Shwartsman 2009-10-24 11:24:21 +00:00
parent 78e4b3d616
commit aac4e85884
1 changed files with 8 additions and 9 deletions
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17
bochs/cpu/cpu.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: cpu.cc,v 1.294 2009-10-19 19:59:10 sshwarts Exp $
// $Id: cpu.cc,v 1.295 2009-10-24 11:24:21 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -624,14 +624,13 @@ unsigned BX_CPU_C::handleAsyncEvent(void)
}
#if BX_X86_DEBUGGER
else {
// only bother comparing if any breakpoints enabled
if (BX_CPU_THIS_PTR dr7 & 0x000000ff) {
bx_address iaddr = get_laddr(BX_SEG_REG_CS, BX_CPU_THIS_PTR prev_rip);
Bit32u dr6_bits = hwdebug_compare(iaddr, 1, BX_HWDebugInstruction, BX_HWDebugInstruction);
if (dr6_bits) {
// If debug events are not inhibited on this boundary,
// fire off a debug fault.
if (! (BX_CPU_THIS_PTR inhibit_mask & BX_INHIBIT_DEBUG_SHADOW)) {
// only bother comparing if any breakpoints enabled and
// debug events are not inhibited on this boundary.
if (! (BX_CPU_THIS_PTR inhibit_mask & BX_INHIBIT_DEBUG_SHADOW)) {
if (BX_CPU_THIS_PTR dr7 & 0x000000ff) {
bx_address iaddr = get_laddr(BX_SEG_REG_CS, BX_CPU_THIS_PTR prev_rip);
Bit32u dr6_bits = hwdebug_compare(iaddr, 1, BX_HWDebugInstruction, BX_HWDebugInstruction);
if (dr6_bits) {
// Add to the list of debug events thus far.
BX_CPU_THIS_PTR debug_trap |= dr6_bits;
BX_ERROR(("#DB: x86 code breakpoint catched"));