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target/arm: Share ARM_PSCI_CALL trace event between TCG and HVF

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It is useful to compare PSCI calls of the same guest running
under TCG or HVF.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-10-28 06:42:04 +01:00 • committed by Peter Maydell
parent 4695daacc0
commit 06ddd61f81
3 changed files with 8 additions and 1 deletions
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3
target/arm/hvf/hvf.c
View file

@ -34,6 +34,7 @@
#include "target/arm/internals.h"
#include "target/arm/multiprocessing.h"
#include "target/arm/gtimer.h"
#include "target/arm/trace.h"
#include "trace.h"
#include "migration/vmstate.h"
@ -1025,7 +1026,7 @@ static bool hvf_handle_psci_call(CPUState *cpu)
int target_el = 1;
int32_t ret = 0;
trace_hvf_psci_call(param[0], param[1], param[2], param[3],
trace_arm_psci_call(param[0], param[1], param[2], param[3],
arm_cpu_mp_affinity(arm_cpu));
switch (param[0]) {

3
target/arm/tcg/psci.c
View file

@ -25,6 +25,7 @@
#include "internals.h"
#include "arm-powerctl.h"
#include "target/arm/multiprocessing.h"
#include "target/arm/trace.h"
bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
{
@ -79,6 +80,8 @@ void arm_handle_psci_call(ARMCPU *cpu)
*/
param[i] = is_a64(env) ? env->xregs[i] : env->regs[i];
}
trace_arm_psci_call(param[0], param[1], param[2], param[3],
arm_cpu_mp_affinity(cpu));
if ((param[0] & QEMU_PSCI_0_2_64BIT) && !is_a64(env)) {
ret = QEMU_PSCI_RET_NOT_SUPPORTED;

3
target/arm/trace-events
View file

@ -23,3 +23,6 @@ arm_powerctl_set_cpu_on(uint64_t mp_aff, unsigned target_el, const char *mode, u
arm_powerctl_set_cpu_on_and_reset(uint64_t mp_aff) "cpu %" PRIu64
arm_powerctl_set_cpu_off(uint64_t mp_aff) "cpu %" PRIu64
arm_powerctl_reset_cpu(uint64_t mp_aff) "cpu %" PRIu64
# tcg/psci.c and hvf/hvf.c
arm_psci_call(uint64_t x0, uint64_t x1, uint64_t x2, uint64_t x3, uint32_t cpuid) "PSCI Call x0=0x%016"PRIx64" x1=0x%016"PRIx64" x2=0x%016"PRIx64" x3=0x%016"PRIx64" cpuid=0x%x"