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Don't allow traces longer than cpu_loop can execute

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This commit is contained in:
Stanislav Shwartsman 2011-09-21 20:28:29 +00:00
parent 8c7a60b3cb
commit f81589c5d6
1 changed files with 10 additions and 1 deletions
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11
bochs/cpu/icache.cc
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@ -26,6 +26,8 @@
#include "cpu.h"
#define LOG_THIS BX_CPU_THIS_PTR
#include "param_names.h"
bxPageWriteStampTable pageWriteStampTable;
void flushICaches(void)
@ -87,7 +89,14 @@ bxICacheEntry_c* BX_CPU_C::serveICacheMiss(bxICacheEntry_c *entry, Bit32u eipBia
Bit32u pageOffset = PAGE_OFFSET((Bit32u) pAddr);
Bit32u traceMask = 0;
for (unsigned n=0;n<BX_MAX_TRACE_LENGTH;n++)
// Don't allow traces longer than cpu_loop can execute
static unsigned quantum =
#if BX_SUPPORT_SMP
(BX_SMP_PROCESSORS > 1) ? SIM->get_param_num(BXPN_SMP_QUANTUM)->get() :
#endif
BX_MAX_TRACE_LENGTH;
for (unsigned n=0;n < quantum;n++)
{
#if BX_SUPPORT_X86_64
if (BX_CPU_THIS_PTR cpu_mode == BX_MODE_LONG_64)