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commit 7674695cf7e28528be7243ceb30c9a600bbaa7b5
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Author: H.J. Lu <hjl.tools@gmail.com>
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![](https://seccdn.libravatar.org/avatar/eca4d0658e293ac828929c05684948cb411ba891fa2ad2130aafa91b664e89ad?s=16&d=retro) |
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Date: Thu Oct 8 08:19:15 2020 -0700
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<sys/platform/x86.h>: Add Intel UINTR support
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Add Intel UINTR support to <sys/platform/x86.h>.
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diff --git a/manual/platform.texi b/manual/platform.texi
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index 95b0ed0642c9f8a9..0dd12a4353a93bf2 100644
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--- a/manual/platform.texi
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+++ b/manual/platform.texi
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@@ -583,6 +583,9 @@ using a TSC deadline value.
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@item
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@code{TSXLDTRK} -- TSXLDTRK instructions.
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+@item
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+@code{UINTR} -- User interrupts.
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+
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@item
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@code{UMIP} -- User-mode instruction prevention.
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diff --git a/sysdeps/x86/sys/platform/x86.h b/sysdeps/x86/sys/platform/x86.h
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index bcc81ab5f8ac8265..2760b81a56e6c7d7 100644
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--- a/sysdeps/x86/sys/platform/x86.h
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+++ b/sysdeps/x86/sys/platform/x86.h
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@@ -241,7 +241,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
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#define bit_cpu_AVX512_4VNNIW (1u << 2)
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#define bit_cpu_AVX512_4FMAPS (1u << 3)
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#define bit_cpu_FSRM (1u << 4)
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-#define bit_cpu_INDEX_7_EDX_5 (1u << 5)
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+#define bit_cpu_UINTR (1u << 5)
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#define bit_cpu_INDEX_7_EDX_6 (1u << 6)
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#define bit_cpu_INDEX_7_EDX_7 (1u << 7)
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#define bit_cpu_AVX512_VP2INTERSECT (1u << 8)
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@@ -460,7 +460,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
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#define index_cpu_AVX512_4VNNIW COMMON_CPUID_INDEX_7
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#define index_cpu_AVX512_4FMAPS COMMON_CPUID_INDEX_7
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#define index_cpu_FSRM COMMON_CPUID_INDEX_7
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-#define index_cpu_INDEX_7_EDX_5 COMMON_CPUID_INDEX_7
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+#define index_cpu_UINTR COMMON_CPUID_INDEX_7
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#define index_cpu_INDEX_7_EDX_6 COMMON_CPUID_INDEX_7
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#define index_cpu_INDEX_7_EDX_7 COMMON_CPUID_INDEX_7
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#define index_cpu_AVX512_VP2INTERSECT COMMON_CPUID_INDEX_7
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@@ -679,7 +679,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
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#define reg_AVX512_4VNNIW edx
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#define reg_AVX512_4FMAPS edx
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#define reg_FSRM edx
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-#define reg_INDEX_7_EDX_5 edx
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+#define reg_UINTR edx
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#define reg_INDEX_7_EDX_6 edx
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#define reg_INDEX_7_EDX_7 edx
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#define reg_AVX512_VP2INTERSECT edx
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diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
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index 3ec94e0c9a191f36..6fa092a8c10486a0 100644
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--- a/sysdeps/x86/tst-get-cpu-features.c
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+++ b/sysdeps/x86/tst-get-cpu-features.c
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@@ -180,6 +180,7 @@ do_test (void)
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CHECK_CPU_FEATURE (AVX512_4VNNIW);
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CHECK_CPU_FEATURE (AVX512_4FMAPS);
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CHECK_CPU_FEATURE (FSRM);
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+ CHECK_CPU_FEATURE (UINTR);
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CHECK_CPU_FEATURE (AVX512_VP2INTERSECT);
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CHECK_CPU_FEATURE (MD_CLEAR);
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CHECK_CPU_FEATURE (SERIALIZE);
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