s390x/kvm: Add missing SIGP CPU RESET order

The SIGP order CPU RESET was still missing in the list of our
supported handler. This patch now adds a simple implementation,
by using the cpu_reset() function that is already available in
target-s390x/cpu.c.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Thomas Huth 2014-01-24 17:18:38 +01:00 committed by Christian Borntraeger
parent f7d3e46676
commit 04c2b5168e

View File

@ -635,6 +635,15 @@ static void sigp_initial_cpu_reset(void *arg)
scc->initial_cpu_reset(cpu);
}
static void sigp_cpu_reset(void *arg)
{
CPUState *cpu = arg;
S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
cpu_synchronize_state(cpu);
scc->cpu_reset(cpu);
}
#define SIGP_ORDER_MASK 0x000000ff
static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)
@ -674,6 +683,10 @@ static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)
run_on_cpu(CPU(target_cpu), sigp_initial_cpu_reset, CPU(target_cpu));
cc = 0;
break;
case SIGP_CPU_RESET:
run_on_cpu(CPU(target_cpu), sigp_cpu_reset, CPU(target_cpu));
cc = 0;
break;
default:
DPRINTF("KVM: unknown SIGP: 0x%x\n", order_code);
*statusreg &= 0xffffffff00000000UL;