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Signed-off-by: Sean Christopherson --- .../selftests/kvm/include/x86/processor.h | 2 ++ .../testing/selftests/kvm/lib/x86/processor.c | 33 +++++++++++++++++++ .../selftests/kvm/x86/hyperv_features.c | 16 ++++----- .../selftests/kvm/x86/vmx_pmu_caps_test.c | 4 +-- .../selftests/kvm/x86/xcr0_cpuid_test.c | 12 +++---- 5 files changed, 51 insertions(+), 16 deletions(-) diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/te= sting/selftests/kvm/include/x86/processor.h index efcc4b1de523..2ad84f3809e8 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -34,6 +34,8 @@ extern uint64_t guest_tsc_khz; =20 #define NMI_VECTOR 0x02 =20 +const char *ex_str(int vector); + #define X86_EFLAGS_FIXED (1u << 1) =20 #define X86_CR4_VME (1ul << 0) diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testin= g/selftests/kvm/lib/x86/processor.c index 3b63c99f7b96..f9182dbd07f2 100644 --- a/tools/testing/selftests/kvm/lib/x86/processor.c +++ b/tools/testing/selftests/kvm/lib/x86/processor.c @@ -23,6 +23,39 @@ bool host_cpu_is_intel; bool is_forced_emulation_enabled; uint64_t guest_tsc_khz; =20 +const char *ex_str(int vector) +{ + switch (vector) { +#define VEC_STR(v) case v##_VECTOR: return "#" #v + case DE_VECTOR: return "no exception"; + case KVM_MAGIC_DE_VECTOR: return "#DE"; + VEC_STR(DB); + VEC_STR(NMI); + VEC_STR(BP); + VEC_STR(OF); + VEC_STR(BR); + VEC_STR(UD); + VEC_STR(NM); + VEC_STR(DF); + VEC_STR(TS); + VEC_STR(NP); + VEC_STR(SS); + VEC_STR(GP); + VEC_STR(PF); + VEC_STR(MF); + VEC_STR(AC); + VEC_STR(MC); + VEC_STR(XM); + VEC_STR(VE); + VEC_STR(CP); + VEC_STR(HV); + VEC_STR(VC); + VEC_STR(SX); + default: return "#??"; +#undef VEC_STR + } +} + static void regs_dump(FILE *stream, struct kvm_regs *regs, uint8_t indent) { fprintf(stream, "%*srax: 0x%.16llx rbx: 0x%.16llx " diff --git a/tools/testing/selftests/kvm/x86/hyperv_features.c b/tools/test= ing/selftests/kvm/x86/hyperv_features.c index 068e9c69710d..99d327084172 100644 --- a/tools/testing/selftests/kvm/x86/hyperv_features.c +++ b/tools/testing/selftests/kvm/x86/hyperv_features.c @@ -54,12 +54,12 @@ static void guest_msr(struct msr_data *msr) =20 if (msr->fault_expected) __GUEST_ASSERT(vector =3D=3D GP_VECTOR, - "Expected #GP on %sMSR(0x%x), got vector '0x%x'", - msr->write ? "WR" : "RD", msr->idx, vector); + "Expected #GP on %sMSR(0x%x), got %s", + msr->write ? "WR" : "RD", msr->idx, ex_str(vector)); else __GUEST_ASSERT(!vector, - "Expected success on %sMSR(0x%x), got vector '0x%x'", - msr->write ? "WR" : "RD", msr->idx, vector); + "Expected success on %sMSR(0x%x), got %s", + msr->write ? "WR" : "RD", msr->idx, ex_str(vector)); =20 if (vector || is_write_only_msr(msr->idx)) goto done; @@ -102,12 +102,12 @@ static void guest_hcall(vm_vaddr_t pgs_gpa, struct hc= all_data *hcall) vector =3D __hyperv_hypercall(hcall->control, input, output, &res); if (hcall->ud_expected) { __GUEST_ASSERT(vector =3D=3D UD_VECTOR, - "Expected #UD for control '%lu', got vector '0x%x'", - hcall->control, vector); + "Expected #UD for control '%lu', got %s", + hcall->control, ex_str(vector)); } else { __GUEST_ASSERT(!vector, - "Expected no exception for control '%lu', got vector '0x%x'", - hcall->control, vector); + "Expected no exception for control '%lu', got %s", + hcall->control, ex_str(vector)); GUEST_ASSERT_EQ(res, hcall->expect); } =20 diff --git a/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c b/tools/te= sting/selftests/kvm/x86/vmx_pmu_caps_test.c index a1f5ff45d518..7d37f0cd4eb9 100644 --- a/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c +++ b/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c @@ -56,8 +56,8 @@ static void guest_test_perf_capabilities_gp(uint64_t val) uint8_t vector =3D wrmsr_safe(MSR_IA32_PERF_CAPABILITIES, val); =20 __GUEST_ASSERT(vector =3D=3D GP_VECTOR, - "Expected #GP for value '0x%lx', got vector '0x%x'", - val, vector); + "Expected #GP for value '0x%lx', got %s", + val, ex_str(vector)); } =20 static void guest_code(uint64_t current_val) diff --git a/tools/testing/selftests/kvm/x86/xcr0_cpuid_test.c b/tools/test= ing/selftests/kvm/x86/xcr0_cpuid_test.c index c8a5c5e51661..d038c1571729 100644 --- a/tools/testing/selftests/kvm/x86/xcr0_cpuid_test.c +++ b/tools/testing/selftests/kvm/x86/xcr0_cpuid_test.c @@ -81,13 +81,13 @@ static void guest_code(void) =20 vector =3D xsetbv_safe(0, XFEATURE_MASK_FP); __GUEST_ASSERT(!vector, - "Expected success on XSETBV(FP), got vector '0x%x'", - vector); + "Expected success on XSETBV(FP), got %s", + ex_str(vector)); =20 vector =3D xsetbv_safe(0, supported_xcr0); __GUEST_ASSERT(!vector, - "Expected success on XSETBV(0x%lx), got vector '0x%x'", - supported_xcr0, vector); + "Expected success on XSETBV(0x%lx), got %s", + supported_xcr0, ex_str(vector)); =20 for (i =3D 0; i < 64; i++) { if (supported_xcr0 & BIT_ULL(i)) @@ -95,8 +95,8 @@ static void guest_code(void) =20 vector =3D xsetbv_safe(0, supported_xcr0 | BIT_ULL(i)); __GUEST_ASSERT(vector =3D=3D GP_VECTOR, - "Expected #GP on XSETBV(0x%llx), supported XCR0 =3D %lx, got vec= tor '0x%x'", - BIT_ULL(i), supported_xcr0, vector); + "Expected #GP on XSETBV(0x%llx), supported XCR0 =3D %lx, got %s", + BIT_ULL(i), supported_xcr0, ex_str(vector)); } =20 GUEST_DONE(); --=20 2.51.0.384.g4c02a37b29-goog