haraldwolff/qemu-patch-raspberry4
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more accurate GPF generation

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@128 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-05-08 15:39:48 +00:00
parent 455b761956
commit 504e56ebdc
1 changed files with 14 additions and 7 deletions
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21
op-i386.c
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@ -616,8 +616,10 @@ void OPPROTO op_jmp_im(void)
void OPPROTO op_int_im(void)
{
EIP = PARAM1;
raise_exception(EXCP0D_GPF);
int intno;
intno = PARAM1;
EIP = PARAM2;
raise_exception_err(EXCP0D_GPF, intno * 8 + 2);
}
void OPPROTO op_int3(void)
@ -633,18 +635,23 @@ void OPPROTO op_into(void)
if (eflags & CC_O) {
raise_exception(EXCP04_INTO);
}
FORCE_RET();
}
void OPPROTO op_gpf(void)
{
EIP = PARAM1;
raise_exception(EXCP0D_GPF);
}
/* XXX: add IOPL/CPL tests */
void OPPROTO op_cli(void)
{
raise_exception(EXCP0D_GPF);
env->eflags &= ~IF_MASK;
}
/* XXX: add IOPL/CPL tests */
void OPPROTO op_sti(void)
{
raise_exception(EXCP0D_GPF);
env->eflags |= IF_MASK;
}
/* vm86plus instructions */
@ -1097,7 +1104,7 @@ void load_seg(int seg_reg, int selector)
dt = &env->gdt;
index = selector & ~7;
if ((index + 7) > dt->limit)
raise_exception(EXCP0D_GPF);
raise_exception_err(EXCP0D_GPF, selector);
ptr = dt->base + index;
e1 = ldl(ptr);
e2 = ldl(ptr + 4);