haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

De-assert ISA PIC IRQs properly

Browse source 
[ Taking latest isapc changes into account. ]

In case the PIC IRQ gets de-asserted on an isapc machine, we also have
to reset CPU_INTERRUPT_HARD. This is what older qemu (before the
routing-through-APIC changes) used to do as well.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5040 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-08-21 03:14:41 +00:00
parent 43661a9520
commit b614106a17
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
hw/pc.c
View file

@ -118,17 +118,19 @@ static void pic_irq_request(void *opaque, int irq, int level)
{
CPUState *env = first_cpu;
if (!level)
return;
if (env->apic_state) {
if (!level)
return;
while (env) {
if (apic_accept_pic_intr(env))
apic_local_deliver(env, APIC_LINT0);
env = env->next_cpu;
}
} else {
cpu_interrupt(env, CPU_INTERRUPT_HARD);
if (level)
cpu_interrupt(env, CPU_INTERRUPT_HARD);
else
cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
}
}