Return EXCP_HLT to the main loop.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
target/arm/hvf/hvf.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index d3d05b0ccba..b0918de5f92 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -302,8 +302,6 @@ void hvf_arm_init_debug(void)
#define TMR_CTL_IMASK (1 << 1)
#define TMR_CTL_ISTATUS (1 << 2)
-static int hvf_wfi(CPUState *cpu);
-
static uint32_t chosen_ipa_bit_size;
typedef struct HVFVTimer {
@@ -1009,7 +1007,7 @@ static void hvf_psci_cpu_off(ARMCPU *arm_cpu)
* Returns 0 on success
* -1 when the PSCI call is unknown,
*/
-static bool hvf_handle_psci_call(CPUState *cpu)
+static bool hvf_handle_psci_call(CPUState *cpu, int *excp_ret)
{
ARMCPU *arm_cpu = ARM_CPU(cpu);
CPUARMState *env = &arm_cpu->env;
@@ -1092,9 +1090,8 @@ static bool hvf_handle_psci_call(CPUState *cpu)
ret = QEMU_PSCI_RET_INVALID_PARAMS;
break;
}
- /* Powerdown is not supported, we always go into WFI */
env->xregs[0] = 0;
- hvf_wfi(cpu);
+ *excp_ret = EXCP_HLT;
break;
case QEMU_PSCI_0_1_FN_MIGRATE:
case QEMU_PSCI_0_2_FN_MIGRATE:
@@ -1925,7 +1922,7 @@ static int hvf_handle_exception(CPUState *cpu, hv_vcpu_exit_exception_t *excp)
cpu_synchronize_state(cpu);
if (arm_is_psci_call(arm_cpu, EXCP_HVC)) {
/* Do NOT advance $pc for HVC */
- if (!hvf_handle_psci_call(cpu)) {
+ if (!hvf_handle_psci_call(cpu, &ret)) {
trace_hvf_unknown_hvc(env->pc, env->xregs[0]);
/* SMCCC 1.3 section 5.2 says every unknown SMCCC call returns -1 */
env->xregs[0] = -1;
@@ -1941,7 +1938,7 @@ static int hvf_handle_exception(CPUState *cpu, hv_vcpu_exit_exception_t *excp)
/* Secure Monitor Call exception, we need to advance $pc */
advance_pc = true;
- if (!hvf_handle_psci_call(cpu)) {
+ if (!hvf_handle_psci_call(cpu, &ret)) {
trace_hvf_unknown_smc(env->xregs[0]);
/* SMCCC 1.3 section 5.2 says every unknown SMCCC call returns -1 */
env->xregs[0] = -1;
--
2.51.0