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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2025-07-01 15:08:32 +0100
committerPeter Maydell <peter.maydell@linaro.org>2025-07-01 15:08:32 +0100
commit4dcba9072be2c1e32f3fb676e97b098d5a9b66ad (patch)
tree1eae275dcb8280aeb6300d27776d405365d1e7ee
parent30484a6635161e8bd62014542c5fd15bbf14834f (diff)
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target/arm/hvf: Trace hv_vcpu_run() failures
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>
-rw-r--r--target/arm/hvf/hvf.c10
-rw-r--r--target/arm/hvf/trace-events1
2 files changed, 10 insertions, 1 deletions
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 3c234f7..0943365 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -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;
diff --git a/target/arm/hvf/trace-events b/target/arm/hvf/trace-events
index 4fbbe4b..a4870e0 100644
--- a/target/arm/hvf/trace-events
+++ b/target/arm/hvf/trace-events
@@ -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"