<sys/platform/x86.h>: Add MSRLIST support

Add MSRLIST support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>

diff --git a/manual/platform.texi b/manual/platform.texi
index af75e5c4133eb008f271bf9c0fa5719ed56074f1..bfccd024a524d5d19f197f9457585c6ad8103d4f 100644 (file)
--- a/manual/platform.texi
+++ b/manual/platform.texi
@@ -464,6 +464,10 @@ the indirect branch predictor barrier (IBPB).
 @item
 @code{MSR} -- Model Specific Registers RDMSR and WRMSR instructions.
 
+@item
+@code{MSRLIST} -- RDMSRLIST/WRMSRLIST instructions and IA32_BARRIER
+MSR.
+
 @item
 @code{MTRR} -- Memory Type Range Registers.
 

diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h
index abc0116607ee43d192f9677f1d232bfae9230f67..57973e9a6c88cf798ff06d1366f6661dbf9e0e69 100644 (file)
--- a/sysdeps/x86/bits/platform/x86.h
+++ b/sysdeps/x86/bits/platform/x86.h
@@ -302,6 +302,7 @@ enum
   x86_cpu_HRESET               = x86_cpu_index_7_ecx_1_eax + 22,
   x86_cpu_AVX_IFMA             = x86_cpu_index_7_ecx_1_eax + 23,
   x86_cpu_LAM                  = x86_cpu_index_7_ecx_1_eax + 26,
+  x86_cpu_MSRLIST              = x86_cpu_index_7_ecx_1_eax + 27,
 
   x86_cpu_index_19_ebx
     = (CPUID_INDEX_19 * 8 * 4 * sizeof (unsigned int)

diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index 3a2d4671ec29e7f337878c8f7235828abe779133..0c948c2b046ada3c9698b02499825185971be4bf 100644 (file)
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -214,6 +214,7 @@ do_test (void)
   CHECK_CPU_FEATURE_PRESENT (HRESET);
   CHECK_CPU_FEATURE_PRESENT (AVX_IFMA);
   CHECK_CPU_FEATURE_PRESENT (LAM);
+  CHECK_CPU_FEATURE_PRESENT (MSRLIST);
   CHECK_CPU_FEATURE_PRESENT (AESKLE);
   CHECK_CPU_FEATURE_PRESENT (WIDE_KL);
   CHECK_CPU_FEATURE_PRESENT (PTWRITE);