diff mbox

[PULL,06/26] target-s390x: initialize I/O interrupt queue

Message ID 1434537789-63782-7-git-send-email-agraf@suse.de
State New
Headers show

Commit Message

Alexander Graf June 17, 2015, 10:42 a.m. UTC 
From: Aurelien Jarno <aurelien@aurel32.net>

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>
---
 target-s390x/cpu.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox

Patch

diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index c4e8a87..cc9cc37 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -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,