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target-s390x: initialize I/O interrupt queue 

env->io_index[] should be set to -1 during CPU reset to mark the
I/O interrupt queue as empty.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Aurelien Jarno 2015-06-15 17:57:05 +02:00 committed by Alexander Graf
parent 7107e5a756
commit cc0d079d45
1 changed files with 8 additions and 0 deletions
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8
target-s390x/cpu.c
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@ -106,6 +106,7 @@ static void s390_cpu_initial_reset(CPUState *s)
{
S390CPU *cpu = S390_CPU(s);
CPUS390XState *env = &cpu->env;
int i;
s390_cpu_reset(s);
/* initial reset does not touch regs,fregs and aregs */
@ -118,6 +119,9 @@ static void s390_cpu_initial_reset(CPUState *s)
env->pfault_token = -1UL;
env->ext_index = -1;
for (i = 0; i < ARRAY_SIZE(env->io_index); i++) {
env->io_index[i] = -1;
}
/* tininess for underflow is detected before rounding */
set_float_detect_tininess(float_tininess_before_rounding,
@ -135,6 +139,7 @@ static void s390_cpu_full_reset(CPUState *s)
S390CPU *cpu = S390_CPU(s);
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
CPUS390XState *env = &cpu->env;
int i;
scc->parent_reset(s);
cpu->env.sigp_order = 0;
@ -148,6 +153,9 @@ static void s390_cpu_full_reset(CPUState *s)
env->pfault_token = -1UL;
env->ext_index = -1;
for (i = 0; i < ARRAY_SIZE(env->io_index); i++) {
env->io_index[i] = -1;
}
/* tininess for underflow is detected before rounding */
set_float_detect_tininess(float_tininess_before_rounding,