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target/arm/hvf: Trace hv_vcpu_run() failures

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Allow distinguishing HV_ILLEGAL_GUEST_STATE in trace events.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250623121845.7214-7-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-07-01 15:08:32 +01:00 • committed by Peter Maydell
parent 30484a6635
commit 4dcba9072b
2 changed files with 10 additions and 1 deletions
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10
target/arm/hvf/hvf.c
View file

@ -1917,7 +1917,15 @@ int hvf_vcpu_exec(CPUState *cpu)
bql_unlock();
r = hv_vcpu_run(cpu->accel->fd);
bql_lock();
assert_hvf_ok(r);
switch (r) {
case HV_SUCCESS:
break;
case HV_ILLEGAL_GUEST_STATE:
trace_hvf_illegal_guest_state();
/* fall through */
default:
g_assert_not_reached();
}
/* handle VMEXIT */
uint64_t exit_reason = hvf_exit->reason;

1
target/arm/hvf/trace-events
View file

@ -11,3 +11,4 @@ hvf_exit(uint64_t syndrome, uint32_t ec, uint64_t pc) "exit: 0x%"PRIx64" [ec=0x%
hvf_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" cpu=0x%x"
hvf_vgic_write(const char *name, uint64_t val) "vgic write to %s [val=0x%016"PRIx64"]"
hvf_vgic_read(const char *name, uint64_t val) "vgic read from %s [val=0x%016"PRIx64"]"
hvf_illegal_guest_state(void) "HV_ILLEGAL_GUEST_STATE"