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authorH.J. Lu <hjl.tools@gmail.com>2020-10-08 08:38:03 -0700
committerH.J. Lu <hjl.tools@gmail.com>2020-10-09 11:52:30 -0700
commitc712401bc641b66d9bd558884751d8979e2e0e96 (patch)
treed8b7ea5a4bbb82c01e1b5c0dcc61c4353853c63e /sysdeps
parent875a50ff63b2c86af770949d563ee851d08eb46e (diff)
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<sys/platform/x86.h>: Add Intel HRESET support
Add Intel HRESET support to <sys/platform/x86.h>.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/x86/sys/platform/x86.h3
-rw-r--r--sysdeps/x86/tst-get-cpu-features.c1
2 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/x86/sys/platform/x86.h b/sysdeps/x86/sys/platform/x86.h
index 276de1eb6b..394f1c41a6 100644
--- a/sysdeps/x86/sys/platform/x86.h
+++ b/sysdeps/x86/sys/platform/x86.h
@@ -313,6 +313,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
 /* EAX.  */
 #define bit_cpu_AVX_VNNI	(1u << 4)
 #define bit_cpu_AVX512_BF16	(1u << 5)
+#define bit_cpu_HRESET		(1u << 22)
 
 /* COMMON_CPUID_INDEX_19.  */
 
@@ -533,6 +534,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
 /* EAX.  */
 #define index_cpu_AVX_VNNI	COMMON_CPUID_INDEX_7_ECX_1
 #define index_cpu_AVX512_BF16	COMMON_CPUID_INDEX_7_ECX_1
+#define index_cpu_HRESET	COMMON_CPUID_INDEX_7_ECX_1
 
 /* COMMON_CPUID_INDEX_19.  */
 
@@ -753,6 +755,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
 /* EAX.  */
 #define reg_AVX_VNNI		eax
 #define reg_AVX512_BF16		eax
+#define reg_HRESET		eax
 
 /* COMMON_CPUID_INDEX_19.  */
 
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index e87158d45b..aacaa49045 100644
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -223,6 +223,7 @@ do_test (void)
   CHECK_CPU_FEATURE (WBNOINVD);
   CHECK_CPU_FEATURE (AVX_VNNI);
   CHECK_CPU_FEATURE (AVX512_BF16);
+  CHECK_CPU_FEATURE (HRESET);
   CHECK_CPU_FEATURE (AESKLE);
   CHECK_CPU_FEATURE (WIDE_KL);