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Restart interrupts after an exception.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2664 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-04-14 12:56:46 +00:00
parent dcb5b19a4e
commit 16c00cb2c2
2 changed files with 33 additions and 9 deletions
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15
target-mips/op.c
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@ -1365,7 +1365,7 @@ void op_mtc0_status (void)
!(env->hflags & MIPS_HFLAG_DM) &&
(val & (1 << CP0St_UM)))
env->hflags |= MIPS_HFLAG_UM;
env->CP0_Status = val;
env->CP0_Status = (env->CP0_Status & ~0xF878FF17) | val;
if (loglevel & CPU_LOG_EXEC)
CALL_FROM_TB2(do_mtc0_status_debug, old, val);
CALL_FROM_TB1(cpu_mips_update_irq, env);
@ -2181,6 +2181,19 @@ void op_save_pc (void)
RETURN();
}
void op_interrupt_restart (void)
{
if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
!(env->CP0_Status & (1 << CP0St_ERL)) &&
!(env->hflags & MIPS_HFLAG_DM) &&
(env->CP0_Status & (1 << CP0St_IE)) &&
(env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) {
env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
CALL_FROM_TB1(do_raise_exception, EXCP_EXT_INTERRUPT);
}
RETURN();
}
void op_raise_exception (void)
{
CALL_FROM_TB1(do_raise_exception, PARAM1);