This patch adds interface to inject interrupt to guest.
Currently a void debug exception function added.
Follow up patch will use this interface to inject debug
interrupt to guest
Signed-off-by: Bharat Bhushan <bharat.bhus...@freescale.com>
---
v4->v5
- No change
target-ppc/kvm.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 1f78cd1..70f77d1 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -759,6 +759,24 @@ static int kvm_put_vpa(CPUState *cs)
}
#endif /* TARGET_PPC64 */
+static int kvmppc_inject_debug_exception(CPUState *cs)
+{
+ return 0;
+}
+
+static void kvmppc_inject_exception(CPUState *cs)
+{
+ PowerPCCPU *cpu = POWERPC_CPU(cs);
+ CPUPPCState *env = &cpu->env;
+
+ if (env->pending_interrupts & (1 << PPC_INTERRUPT_DEBUG)) {
+ if (kvmppc_inject_debug_exception(cs)) {
+ fprintf(stderr, "%s: Debug exception injection failed\n",
__func__);
+ }
+ return;
+ }
+}
+
int kvm_arch_put_registers(CPUState *cs, int level)
{
PowerPCCPU *cpu = POWERPC_CPU(cs);
@@ -772,6 +790,10 @@ int kvm_arch_put_registers(CPUState *cs, int level)
return ret;
}
+ if (env->pending_interrupts) {
+ kvmppc_inject_exception(cs);
+ }
+
regs.ctr = env->ctr;
regs.lr = env->lr;
regs.xer = cpu_read_xer(env);
--
1.9.0
