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Fixed problem in previous commit ...

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This commit is contained in:
Stanislav Shwartsman 2004-09-04 20:19:39 +00:00
parent 3916754e30
commit ce459276c3
1 changed files with 3 additions and 4 deletions
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7
bochs/cpu/stack_pro.cc
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@ -27,14 +27,13 @@
#include "bochs.h"
#define LOG_THIS BX_CPU_THIS_PTR
void BX_CPP_AttrRegparmN(1)
BX_CPU_C::push_16(Bit16u value16)
{
/* must use StackAddrSize, and either ESP or SP accordingly */
#if BX_CPU_LEVEL >= 3
if (BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].cache.u.segment.d_b) { /* StackAddrSize = 32 */
/* 32bit stack size: pushes use SS:ESP */
#if BX_CPU_LEVEL >= 2
if (protected_mode()) {
if (!can_push(&BX_CPU_THIS_PTR sregs[BX_SEG_REG_SS].cache, ESP, 2)) {
BX_INFO(("push_16(): push outside stack limits"));
@ -42,7 +41,6 @@ BX_CPU_C::push_16(Bit16u value16)
}
}
else
#endif
{ /* real mode */
if (ESP == 1)
BX_PANIC(("CPU shutting down due to lack of stack space, ESP==1"));
@ -52,6 +50,7 @@ BX_CPU_C::push_16(Bit16u value16)
ESP -= 2;
}
else
#endif
{
/* 16bit stack size: pushes use SS:SP */
#if BX_CPU_LEVEL >= 2
@ -68,7 +67,7 @@ BX_CPU_C::push_16(Bit16u value16)
BX_PANIC(("CPU shutting down due to lack of stack space, SP==1"));
}
write_virtual_word(BX_SEG_REG_SS, SP-2, &value16);
write_virtual_word(BX_SEG_REG_SS, (Bit16u) (SP-2), &value16);
SP -= 2;
}
}