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fummy DM_LOWPRI handling 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1648 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-11-23 20:59:44 +00:00
parent 089af99118
commit 8dd69b8f2c
1 changed files with 11 additions and 8 deletions
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19
hw/apic.c
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@ -109,8 +109,16 @@ static void apic_bus_deliver(uint32_t deliver_bitmask, uint8_t delivery_mode,
switch (delivery_mode) {
case APIC_DM_LOWPRI:
/* XXX: search for focus processor, arbitration */
if (deliver_bitmask) {
uint32_t m = 1;
while ((deliver_bitmask & m) == 0)
m <<= 1;
deliver_bitmask = m;
}
break;
case APIC_DM_FIXED:
/* XXX: arbitration */
break;
case APIC_DM_SMI:
@ -336,12 +344,12 @@ static void apic_init_ipi(APICState *s)
static void apic_startup(APICState *s, int vector_num)
{
CPUState *env = s->cpu_env;
if (!env->cpu_halted)
if (!(env->hflags & HF_HALTED_MASK))
return;
env->eip = 0;
cpu_x86_load_seg_cache(env, R_CS, vector_num << 8, vector_num << 12,
0xffff, 0);
env->cpu_halted = 0;
env->hflags &= ~HF_HALTED_MASK;
}
static void apic_deliver(APICState *s, uint8_t dest, uint8_t dest_mode,
@ -368,11 +376,6 @@ static void apic_deliver(APICState *s, uint8_t dest, uint8_t dest_mode,
}
switch (delivery_mode) {
case APIC_DM_LOWPRI:
/* XXX: search for focus processor, arbitration */
dest = s->id;
break;
case APIC_DM_INIT:
{
int trig_mode = (s->icr[0] >> 15) & 1;