diff options
| -rw-r--r-- | manual/platform.texi | 3 | ||||
| -rw-r--r-- | sysdeps/x86/bits/platform/x86.h | 2 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 5 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features.h | 6 | ||||
| -rw-r--r-- | sysdeps/x86/tst-cpu-features-supports.c | 2 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
6 files changed, 14 insertions, 6 deletions
diff --git a/manual/platform.texi b/manual/platform.texi index 6caf68d796..3e988261ba 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -511,6 +511,9 @@ capability. @code{RTM} -- RTM instruction extensions. @item +@code{RTM_ALWAYS_ABORT} -- Transactions always abort, making RTM unusable. + +@item @code{SDBG} -- IA32_DEBUG_INTERFACE MSR for silicon debug. @item diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 8f423ae721..2cf898ff7c 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -210,7 +210,7 @@ enum x86_cpu_AVX512_VP2INTERSECT = x86_cpu_index_7_edx + 8, x86_cpu_INDEX_7_EDX_9 = x86_cpu_index_7_edx + 9, x86_cpu_MD_CLEAR = x86_cpu_index_7_edx + 10, - x86_cpu_INDEX_7_EDX_11 = x86_cpu_index_7_edx + 11, + x86_cpu_RTM_ALWAYS_ABORT = x86_cpu_index_7_edx + 11, x86_cpu_INDEX_7_EDX_12 = x86_cpu_index_7_edx + 12, x86_cpu_INDEX_7_EDX_13 = x86_cpu_index_7_edx + 13, x86_cpu_SERIALIZE = x86_cpu_index_7_edx + 14, diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 7a524dbae6..898246c232 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -66,7 +66,6 @@ update_usable (struct cpu_features *cpu_features) CPU_FEATURE_SET_USABLE (cpu_features, HLE); CPU_FEATURE_SET_USABLE (cpu_features, BMI2); CPU_FEATURE_SET_USABLE (cpu_features, ERMS); - CPU_FEATURE_SET_USABLE (cpu_features, RTM); CPU_FEATURE_SET_USABLE (cpu_features, RDSEED); CPU_FEATURE_SET_USABLE (cpu_features, ADX); CPU_FEATURE_SET_USABLE (cpu_features, CLFLUSHOPT); @@ -82,6 +81,7 @@ update_usable (struct cpu_features *cpu_features) CPU_FEATURE_SET_USABLE (cpu_features, MOVDIRI); CPU_FEATURE_SET_USABLE (cpu_features, MOVDIR64B); CPU_FEATURE_SET_USABLE (cpu_features, FSRM); + CPU_FEATURE_SET_USABLE (cpu_features, RTM_ALWAYS_ABORT); CPU_FEATURE_SET_USABLE (cpu_features, SERIALIZE); CPU_FEATURE_SET_USABLE (cpu_features, TSXLDTRK); CPU_FEATURE_SET_USABLE (cpu_features, LAHF64_SAHF64); @@ -95,6 +95,9 @@ update_usable (struct cpu_features *cpu_features) CPU_FEATURE_SET_USABLE (cpu_features, FSRS); CPU_FEATURE_SET_USABLE (cpu_features, FSRCS); + if (!CPU_FEATURES_CPU_P (cpu_features, RTM_ALWAYS_ABORT)) + CPU_FEATURE_SET_USABLE (cpu_features, RTM); + #if CET_ENABLED CPU_FEATURE_SET_USABLE (cpu_features, IBT); CPU_FEATURE_SET_USABLE (cpu_features, SHSTK); diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h index 04d8e5734e..bfe4fe231e 100644 --- a/sysdeps/x86/include/cpu-features.h +++ b/sysdeps/x86/include/cpu-features.h @@ -229,7 +229,7 @@ enum #define bit_cpu_AVX512_VP2INTERSECT (1u << 8) #define bit_cpu_INDEX_7_EDX_9 (1u << 9) #define bit_cpu_MD_CLEAR (1u << 10) -#define bit_cpu_INDEX_7_EDX_11 (1u << 11) +#define bit_cpu_RTM_ALWAYS_ABORT (1u << 11) #define bit_cpu_INDEX_7_EDX_12 (1u << 12) #define bit_cpu_INDEX_7_EDX_13 (1u << 13) #define bit_cpu_SERIALIZE (1u << 14) @@ -454,7 +454,7 @@ enum #define index_cpu_AVX512_VP2INTERSECT CPUID_INDEX_7 #define index_cpu_INDEX_7_EDX_9 CPUID_INDEX_7 #define index_cpu_MD_CLEAR CPUID_INDEX_7 -#define index_cpu_INDEX_7_EDX_11 CPUID_INDEX_7 +#define index_cpu_RTM_ALWAYS_ABORT CPUID_INDEX_7 #define index_cpu_INDEX_7_EDX_12 CPUID_INDEX_7 #define index_cpu_INDEX_7_EDX_13 CPUID_INDEX_7 #define index_cpu_SERIALIZE CPUID_INDEX_7 @@ -679,7 +679,7 @@ enum #define reg_AVX512_VP2INTERSECT edx #define reg_INDEX_7_EDX_9 edx #define reg_MD_CLEAR edx -#define reg_INDEX_7_EDX_11 edx +#define reg_RTM_ALWAYS_ABORT edx #define reg_INDEX_7_EDX_12 edx #define reg_INDEX_7_EDX_13 edx #define reg_SERIALIZE edx diff --git a/sysdeps/x86/tst-cpu-features-supports.c b/sysdeps/x86/tst-cpu-features-supports.c index cc0d2b2d56..871fe4d265 100644 --- a/sysdeps/x86/tst-cpu-features-supports.c +++ b/sysdeps/x86/tst-cpu-features-supports.c @@ -152,7 +152,7 @@ do_test (int argc, char **argv) fails += CHECK_SUPPORTS (rdpid, RDPID); fails += CHECK_SUPPORTS (rdrnd, RDRAND); fails += CHECK_SUPPORTS (rdseed, RDSEED); - fails += CHECK_SUPPORTS (rtm, RTM); + fails += CHECK_CPU_SUPPORTS (rtm, RTM); fails += CHECK_SUPPORTS (serialize, SERIALIZE); fails += CHECK_SUPPORTS (sha, SHA); fails += CHECK_CPU_SUPPORTS (shstk, SHSTK); diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index b5e7f6e7b0..37d9ec9d8c 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -158,6 +158,7 @@ do_test (void) CHECK_CPU_FEATURE (UINTR); CHECK_CPU_FEATURE (AVX512_VP2INTERSECT); CHECK_CPU_FEATURE (MD_CLEAR); + CHECK_CPU_FEATURE (RTM_ALWAYS_ABORT); CHECK_CPU_FEATURE (SERIALIZE); CHECK_CPU_FEATURE (HYBRID); CHECK_CPU_FEATURE (TSXLDTRK); @@ -321,6 +322,7 @@ do_test (void) CHECK_CPU_FEATURE_USABLE (FSRM); CHECK_CPU_FEATURE_USABLE (AVX512_VP2INTERSECT); CHECK_CPU_FEATURE_USABLE (MD_CLEAR); + CHECK_CPU_FEATURE_USABLE (RTM_ALWAYS_ABORT); CHECK_CPU_FEATURE_USABLE (SERIALIZE); CHECK_CPU_FEATURE_USABLE (HYBRID); CHECK_CPU_FEATURE_USABLE (TSXLDTRK); |