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authorIngo Molnar <mingo@kernel.org>2025-05-13 10:37:01 +0200
committerIngo Molnar <mingo@kernel.org>2025-05-13 10:37:01 +0200
commit2fb8414e644b133a9c3250f408232af99da256a4 (patch)
tree62212fe1b6dec3949a47ac6d92f3070842ab9ae2 /tools/arch
parent821f82125c47217390099532b09bd09cee9adaac (diff)
parentc1ab4ce3cb759f69fb9085a060e568b73e8f5cd8 (diff)
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Merge branch 'x86/cpu' into x86/core, to resolve conflicts
Conflicts: arch/x86/kernel/cpu/bugs.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/arch')
-rw-r--r--tools/arch/x86/include/asm/amd/ibs.h (renamed from tools/arch/x86/include/asm/amd-ibs.h)2
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h24
-rw-r--r--tools/arch/x86/kcpuid/cpuid.csv791
-rw-r--r--tools/arch/x86/kcpuid/kcpuid.c375
4 files changed, 648 insertions, 544 deletions
diff --git a/tools/arch/x86/include/asm/amd-ibs.h b/tools/arch/x86/include/asm/amd/ibs.h
index cb1740bc3da2..300b6e0765b2 100644
--- a/tools/arch/x86/include/asm/amd-ibs.h
+++ b/tools/arch/x86/include/asm/amd/ibs.h
@@ -4,7 +4,7 @@
* 55898 Rev 0.35 - Feb 5, 2021
*/
-#include "msr-index.h"
+#include "../msr-index.h"
/* IBS_OP_DATA2 DataSrc */
#define IBS_DATA_SRC_LOC_CACHE 2
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 6c2c152d8a67..bc81b9d1aeca 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -476,11 +476,11 @@
#define X86_FEATURE_CLEAR_BHB_LOOP (21*32+ 1) /* Clear branch history at syscall entry using SW loop */
#define X86_FEATURE_BHI_CTRL (21*32+ 2) /* BHI_DIS_S HW control available */
#define X86_FEATURE_CLEAR_BHB_HW (21*32+ 3) /* BHI_DIS_S HW control enabled */
-#define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */
-#define X86_FEATURE_AMD_FAST_CPPC (21*32 + 5) /* Fast CPPC */
-#define X86_FEATURE_AMD_HETEROGENEOUS_CORES (21*32 + 6) /* Heterogeneous Core Topology */
-#define X86_FEATURE_AMD_WORKLOAD_CLASS (21*32 + 7) /* Workload Classification */
-#define X86_FEATURE_PREFER_YMM (21*32 + 8) /* Avoid ZMM registers due to downclocking */
+#define X86_FEATURE_CLEAR_BHB_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */
+#define X86_FEATURE_AMD_FAST_CPPC (21*32+ 5) /* Fast CPPC */
+#define X86_FEATURE_AMD_HTR_CORES (21*32+ 6) /* Heterogeneous Core Topology */
+#define X86_FEATURE_AMD_WORKLOAD_CLASS (21*32+ 7) /* Workload Classification */
+#define X86_FEATURE_PREFER_YMM (21*32+ 8) /* Avoid ZMM registers due to downclocking */
/*
* BUG word(s)
@@ -519,7 +519,7 @@
#define X86_BUG_ITLB_MULTIHIT X86_BUG(23) /* "itlb_multihit" CPU may incur MCE during certain page attribute changes */
#define X86_BUG_SRBDS X86_BUG(24) /* "srbds" CPU may leak RNG bits if not mitigated */
#define X86_BUG_MMIO_STALE_DATA X86_BUG(25) /* "mmio_stale_data" CPU is affected by Processor MMIO Stale Data vulnerabilities */
-#define X86_BUG_MMIO_UNKNOWN X86_BUG(26) /* "mmio_unknown" CPU is too old and its MMIO Stale Data status is unknown */
+/* unused, was #define X86_BUG_MMIO_UNKNOWN X86_BUG(26) "mmio_unknown" CPU is too old and its MMIO Stale Data status is unknown */
#define X86_BUG_RETBLEED X86_BUG(27) /* "retbleed" CPU is affected by RETBleed */
#define X86_BUG_EIBRS_PBRSB X86_BUG(28) /* "eibrs_pbrsb" EIBRS is vulnerable to Post Barrier RSB Predictions */
#define X86_BUG_SMT_RSB X86_BUG(29) /* "smt_rsb" CPU is vulnerable to Cross-Thread Return Address Predictions */
@@ -527,10 +527,10 @@
#define X86_BUG_TDX_PW_MCE X86_BUG(31) /* "tdx_pw_mce" CPU may incur #MC if non-TD software does partial write to TDX private memory */
/* BUG word 2 */
-#define X86_BUG_SRSO X86_BUG(1*32 + 0) /* "srso" AMD SRSO bug */
-#define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* "div0" AMD DIV0 speculation bug */
-#define X86_BUG_RFDS X86_BUG(1*32 + 2) /* "rfds" CPU is vulnerable to Register File Data Sampling */
-#define X86_BUG_BHI X86_BUG(1*32 + 3) /* "bhi" CPU is affected by Branch History Injection */
-#define X86_BUG_IBPB_NO_RET X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */
-#define X86_BUG_SPECTRE_V2_USER X86_BUG(1*32 + 5) /* "spectre_v2_user" CPU is affected by Spectre variant 2 attack between user processes */
+#define X86_BUG_SRSO X86_BUG( 1*32+ 0) /* "srso" AMD SRSO bug */
+#define X86_BUG_DIV0 X86_BUG( 1*32+ 1) /* "div0" AMD DIV0 speculation bug */
+#define X86_BUG_RFDS X86_BUG( 1*32+ 2) /* "rfds" CPU is vulnerable to Register File Data Sampling */
+#define X86_BUG_BHI X86_BUG( 1*32+ 3) /* "bhi" CPU is affected by Branch History Injection */
+#define X86_BUG_IBPB_NO_RET X86_BUG( 1*32+ 4) /* "ibpb_no_ret" IBPB omits return target predictions */
+#define X86_BUG_SPECTRE_V2_USER X86_BUG( 1*32+ 5) /* "spectre_v2_user" CPU is affected by Spectre variant 2 attack between user processes */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/tools/arch/x86/kcpuid/cpuid.csv b/tools/arch/x86/kcpuid/cpuid.csv
index d751eb8585d0..8d925ce9750f 100644
--- a/tools/arch/x86/kcpuid/cpuid.csv
+++ b/tools/arch/x86/kcpuid/cpuid.csv
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: CC0-1.0
-# Generator: x86-cpuid-db v1.0
+# Generator: x86-cpuid-db v2.4
#
# Auto-generated file.
@@ -12,297 +12,298 @@
# Leaf 0H
# Maximum standard leaf number + CPU vendor string
- 0, 0, eax, 31:0, max_std_leaf , Highest cpuid standard leaf supported
- 0, 0, ebx, 31:0, cpu_vendorid_0 , CPU vendor ID string bytes 0 - 3
- 0, 0, ecx, 31:0, cpu_vendorid_2 , CPU vendor ID string bytes 8 - 11
- 0, 0, edx, 31:0, cpu_vendorid_1 , CPU vendor ID string bytes 4 - 7
+ 0x0, 0, eax, 31:0, max_std_leaf , Highest standard CPUID leaf supported
+ 0x0, 0, ebx, 31:0, cpu_vendorid_0 , CPU vendor ID string bytes 0 - 3
+ 0x0, 0, ecx, 31:0, cpu_vendorid_2 , CPU vendor ID string bytes 8 - 11
+ 0x0, 0, edx, 31:0, cpu_vendorid_1 , CPU vendor ID string bytes 4 - 7
# Leaf 1H
# CPU FMS (Family/Model/Stepping) + standard feature flags
- 1, 0, eax, 3:0, stepping , Stepping ID
- 1, 0, eax, 7:4, base_model , Base CPU model ID
- 1, 0, eax, 11:8, base_family_id , Base CPU family ID
- 1, 0, eax, 13:12, cpu_type , CPU type
- 1, 0, eax, 19:16, ext_model , Extended CPU model ID
- 1, 0, eax, 27:20, ext_family , Extended CPU family ID
- 1, 0, ebx, 7:0, brand_id , Brand index
- 1, 0, ebx, 15:8, clflush_size , CLFLUSH instruction cache line size
- 1, 0, ebx, 23:16, n_logical_cpu , Logical CPU (HW threads) count
- 1, 0, ebx, 31:24, local_apic_id , Initial local APIC physical ID
- 1, 0, ecx, 0, pni , Streaming SIMD Extensions 3 (SSE3)
- 1, 0, ecx, 1, pclmulqdq , PCLMULQDQ instruction support
- 1, 0, ecx, 2, dtes64 , 64-bit DS save area
- 1, 0, ecx, 3, monitor , MONITOR/MWAIT support
- 1, 0, ecx, 4, ds_cpl , CPL Qualified Debug Store
- 1, 0, ecx, 5, vmx , Virtual Machine Extensions
- 1, 0, ecx, 6, smx , Safer Mode Extensions
- 1, 0, ecx, 7, est , Enhanced Intel SpeedStep
- 1, 0, ecx, 8, tm2 , Thermal Monitor 2
- 1, 0, ecx, 9, ssse3 , Supplemental SSE3
- 1, 0, ecx, 10, cid , L1 Context ID
- 1, 0, ecx, 11, sdbg , Sillicon Debug
- 1, 0, ecx, 12, fma , FMA extensions using YMM state
- 1, 0, ecx, 13, cx16 , CMPXCHG16B instruction support
- 1, 0, ecx, 14, xtpr , xTPR Update Control
- 1, 0, ecx, 15, pdcm , Perfmon and Debug Capability
- 1, 0, ecx, 17, pcid , Process-context identifiers
- 1, 0, ecx, 18, dca , Direct Cache Access
- 1, 0, ecx, 19, sse4_1 , SSE4.1
- 1, 0, ecx, 20, sse4_2 , SSE4.2
- 1, 0, ecx, 21, x2apic , X2APIC support
- 1, 0, ecx, 22, movbe , MOVBE instruction support
- 1, 0, ecx, 23, popcnt , POPCNT instruction support
- 1, 0, ecx, 24, tsc_deadline_timer , APIC timer one-shot operation
- 1, 0, ecx, 25, aes , AES instructions
- 1, 0, ecx, 26, xsave , XSAVE (and related instructions) support
- 1, 0, ecx, 27, osxsave , XSAVE (and related instructions) are enabled by OS
- 1, 0, ecx, 28, avx , AVX instructions support
- 1, 0, ecx, 29, f16c , Half-precision floating-point conversion support
- 1, 0, ecx, 30, rdrand , RDRAND instruction support
- 1, 0, ecx, 31, guest_status , System is running as guest; (para-)virtualized system
- 1, 0, edx, 0, fpu , Floating-Point Unit on-chip (x87)
- 1, 0, edx, 1, vme , Virtual-8086 Mode Extensions
- 1, 0, edx, 2, de , Debugging Extensions
- 1, 0, edx, 3, pse , Page Size Extension
- 1, 0, edx, 4, tsc , Time Stamp Counter
- 1, 0, edx, 5, msr , Model-Specific Registers (RDMSR and WRMSR support)
- 1, 0, edx, 6, pae , Physical Address Extensions
- 1, 0, edx, 7, mce , Machine Check Exception
- 1, 0, edx, 8, cx8 , CMPXCHG8B instruction
- 1, 0, edx, 9, apic , APIC on-chip
- 1, 0, edx, 11, sep , SYSENTER, SYSEXIT, and associated MSRs
- 1, 0, edx, 12, mtrr , Memory Type Range Registers
- 1, 0, edx, 13, pge , Page Global Extensions
- 1, 0, edx, 14, mca , Machine Check Architecture
- 1, 0, edx, 15, cmov , Conditional Move Instruction
- 1, 0, edx, 16, pat , Page Attribute Table
- 1, 0, edx, 17, pse36 , Page Size Extension (36-bit)
- 1, 0, edx, 18, pn , Processor Serial Number
- 1, 0, edx, 19, clflush , CLFLUSH instruction
- 1, 0, edx, 21, dts , Debug Store
- 1, 0, edx, 22, acpi , Thermal monitor and clock control
- 1, 0, edx, 23, mmx , MMX instructions
- 1, 0, edx, 24, fxsr , FXSAVE and FXRSTOR instructions
- 1, 0, edx, 25, sse , SSE instructions
- 1, 0, edx, 26, sse2 , SSE2 instructions
- 1, 0, edx, 27, ss , Self Snoop
- 1, 0, edx, 28, ht , Hyper-threading
- 1, 0, edx, 29, tm , Thermal Monitor
- 1, 0, edx, 30, ia64 , Legacy IA-64 (Itanium) support bit, now resreved
- 1, 0, edx, 31, pbe , Pending Break Enable
+ 0x1, 0, eax, 3:0, stepping , Stepping ID
+ 0x1, 0, eax, 7:4, base_model , Base CPU model ID
+ 0x1, 0, eax, 11:8, base_family_id , Base CPU family ID
+ 0x1, 0, eax, 13:12, cpu_type , CPU type
+ 0x1, 0, eax, 19:16, ext_model , Extended CPU model ID
+ 0x1, 0, eax, 27:20, ext_family , Extended CPU family ID
+ 0x1, 0, ebx, 7:0, brand_id , Brand index
+ 0x1, 0, ebx, 15:8, clflush_size , CLFLUSH instruction cache line size
+ 0x1, 0, ebx, 23:16, n_logical_cpu , Logical CPU count
+ 0x1, 0, ebx, 31:24, local_apic_id , Initial local APIC physical ID
+ 0x1, 0, ecx, 0, pni , Streaming SIMD Extensions 3 (SSE3)
+ 0x1, 0, ecx, 1, pclmulqdq , PCLMULQDQ instruction support
+ 0x1, 0, ecx, 2, dtes64 , 64-bit DS save area
+ 0x1, 0, ecx, 3, monitor , MONITOR/MWAIT support
+ 0x1, 0, ecx, 4, ds_cpl , CPL Qualified Debug Store
+ 0x1, 0, ecx, 5, vmx , Virtual Machine Extensions
+ 0x1, 0, ecx, 6, smx , Safer Mode Extensions
+ 0x1, 0, ecx, 7, est , Enhanced Intel SpeedStep
+ 0x1, 0, ecx, 8, tm2 , Thermal Monitor 2
+ 0x1, 0, ecx, 9, ssse3 , Supplemental SSE3
+ 0x1, 0, ecx, 10, cid , L1 Context ID
+ 0x1, 0, ecx, 11, sdbg , Silicon Debug
+ 0x1, 0, ecx, 12, fma , FMA extensions using YMM state
+ 0x1, 0, ecx, 13, cx16 , CMPXCHG16B instruction support
+ 0x1, 0, ecx, 14, xtpr , xTPR Update Control
+ 0x1, 0, ecx, 15, pdcm , Perfmon and Debug Capability
+ 0x1, 0, ecx, 17, pcid , Process-context identifiers
+ 0x1, 0, ecx, 18, dca , Direct Cache Access
+ 0x1, 0, ecx, 19, sse4_1 , SSE4.1
+ 0x1, 0, ecx, 20, sse4_2 , SSE4.2
+ 0x1, 0, ecx, 21, x2apic , X2APIC support
+ 0x1, 0, ecx, 22, movbe , MOVBE instruction support
+ 0x1, 0, ecx, 23, popcnt , POPCNT instruction support
+ 0x1, 0, ecx, 24, tsc_deadline_timer , APIC timer one-shot operation
+ 0x1, 0, ecx, 25, aes , AES instructions
+ 0x1, 0, ecx, 26, xsave , XSAVE (and related instructions) support
+ 0x1, 0, ecx, 27, osxsave , XSAVE (and related instructions) are enabled by OS
+ 0x1, 0, ecx, 28, avx , AVX instructions support
+ 0x1, 0, ecx, 29, f16c , Half-precision floating-point conversion support
+ 0x1, 0, ecx, 30, rdrand , RDRAND instruction support
+ 0x1, 0, ecx, 31, guest_status , System is running as guest; (para-)virtualized system
+ 0x1, 0, edx, 0, fpu , Floating-Point Unit on-chip (x87)
+ 0x1, 0, edx, 1, vme , Virtual-8086 Mode Extensions
+ 0x1, 0, edx, 2, de , Debugging Extensions
+ 0x1, 0, edx, 3, pse , Page Size Extension
+ 0x1, 0, edx, 4, tsc , Time Stamp Counter
+ 0x1, 0, edx, 5, msr , Model-Specific Registers (RDMSR and WRMSR support)
+ 0x1, 0, edx, 6, pae , Physical Address Extensions
+ 0x1, 0, edx, 7, mce , Machine Check Exception
+ 0x1, 0, edx, 8, cx8 , CMPXCHG8B instruction
+ 0x1, 0, edx, 9, apic , APIC on-chip
+ 0x1, 0, edx, 11, sep , SYSENTER, SYSEXIT, and associated MSRs
+ 0x1, 0, edx, 12, mtrr , Memory Type Range Registers
+ 0x1, 0, edx, 13, pge , Page Global Extensions
+ 0x1, 0, edx, 14, mca , Machine Check Architecture
+ 0x1, 0, edx, 15, cmov , Conditional Move Instruction
+ 0x1, 0, edx, 16, pat , Page Attribute Table
+ 0x1, 0, edx, 17, pse36 , Page Size Extension (36-bit)
+ 0x1, 0, edx, 18, pn , Processor Serial Number
+ 0x1, 0, edx, 19, clflush , CLFLUSH instruction
+ 0x1, 0, edx, 21, dts , Debug Store
+ 0x1, 0, edx, 22, acpi , Thermal monitor and clock control
+ 0x1, 0, edx, 23, mmx , MMX instructions
+ 0x1, 0, edx, 24, fxsr , FXSAVE and FXRSTOR instructions
+ 0x1, 0, edx, 25, sse , SSE instructions
+ 0x1, 0, edx, 26, sse2 , SSE2 instructions
+ 0x1, 0, edx, 27, ss , Self Snoop
+ 0x1, 0, edx, 28, ht , Hyper-threading
+ 0x1, 0, edx, 29, tm , Thermal Monitor
+ 0x1, 0, edx, 30, ia64 , Legacy IA-64 (Itanium) support bit, now reserved
+ 0x1, 0, edx, 31, pbe , Pending Break Enable
# Leaf 2H
# Intel cache and TLB information one-byte descriptors
- 2, 0, eax, 7:0, iteration_count , Number of times this CPUD leaf must be queried
- 2, 0, eax, 15:8, desc1 , Descriptor #1
- 2, 0, eax, 23:16, desc2 , Descriptor #2
- 2, 0, eax, 30:24, desc3 , Descriptor #3
- 2, 0, eax, 31, eax_invalid , Descriptors 1-3 are invalid if set
- 2, 0, ebx, 7:0, desc4 , Descriptor #4
- 2, 0, ebx, 15:8, desc5 , Descriptor #5
- 2, 0, ebx, 23:16, desc6 , Descriptor #6
- 2, 0, ebx, 30:24, desc7 , Descriptor #7
- 2, 0, ebx, 31, ebx_invalid , Descriptors 4-7 are invalid if set
- 2, 0, ecx, 7:0, desc8 , Descriptor #8
- 2, 0, ecx, 15:8, desc9 , Descriptor #9
- 2, 0, ecx, 23:16, desc10 , Descriptor #10
- 2, 0, ecx, 30:24, desc11 , Descriptor #11
- 2, 0, ecx, 31, ecx_invalid , Descriptors 8-11 are invalid if set
- 2, 0, edx, 7:0, desc12 , Descriptor #12
- 2, 0, edx, 15:8, desc13 , Descriptor #13
- 2, 0, edx, 23:16, desc14 , Descriptor #14
- 2, 0, edx, 30:24, desc15 , Descriptor #15
- 2, 0, edx, 31, edx_invalid , Descriptors 12-15 are invalid if set
+ 0x2, 0, eax, 7:0, iteration_count , Number of times this leaf must be queried
+ 0x2, 0, eax, 15:8, desc1 , Descriptor #1
+ 0x2, 0, eax, 23:16, desc2 , Descriptor #2
+ 0x2, 0, eax, 30:24, desc3 , Descriptor #3
+ 0x2, 0, eax, 31, eax_invalid , Descriptors 1-3 are invalid if set
+ 0x2, 0, ebx, 7:0, desc4 , Descriptor #4
+ 0x2, 0, ebx, 15:8, desc5 , Descriptor #5
+ 0x2, 0, ebx, 23:16, desc6 , Descriptor #6
+ 0x2, 0, ebx, 30:24, desc7 , Descriptor #7
+ 0x2, 0, ebx, 31, ebx_invalid , Descriptors 4-7 are invalid if set
+ 0x2, 0, ecx, 7:0, desc8 , Descriptor #8
+ 0x2, 0, ecx, 15:8, desc9 , Descriptor #9
+ 0x2, 0, ecx, 23:16, desc10 , Descriptor #10
+ 0x2, 0, ecx, 30:24, desc11 , Descriptor #11
+ 0x2, 0, ecx, 31, ecx_invalid , Descriptors 8-11 are invalid if set
+ 0x2, 0, edx, 7:0, desc12 , Descriptor #12
+ 0x2, 0, edx, 15:8, desc13 , Descriptor #13
+ 0x2, 0, edx, 23:16, desc14 , Descriptor #14
+ 0x2, 0, edx, 30:24, desc15 , Descriptor #15
+ 0x2, 0, edx, 31, edx_invalid , Descriptors 12-15 are invalid if set
# Leaf 4H
# Intel deterministic cache parameters
- 4, 31:0, eax, 4:0, cache_type , Cache type field
- 4, 31:0, eax, 7:5, cache_level , Cache level (1-based)
- 4, 31:0, eax, 8, cache_self_init , Self-initialializing cache level
- 4, 31:0, eax, 9, fully_associative , Fully-associative cache
- 4, 31:0, eax, 25:14, num_threads_sharing , Number logical CPUs sharing this cache
- 4, 31:0, eax, 31:26, num_cores_on_die , Number of cores in the physical package
- 4, 31:0, ebx, 11:0, cache_linesize , System coherency line size (0-based)
- 4, 31:0, ebx, 21:12, cache_npartitions , Physical line partitions (0-based)
- 4, 31:0, ebx, 31:22, cache_nways , Ways of associativity (0-based)
- 4, 31:0, ecx, 30:0, cache_nsets , Cache number of sets (0-based)
- 4, 31:0, edx, 0, wbinvd_rll_no_guarantee, WBINVD/INVD not guaranteed for Remote Lower-Level caches
- 4, 31:0, edx, 1, ll_inclusive , Cache is inclusive of Lower-Level caches
- 4, 31:0, edx, 2, complex_indexing , Not a direct-mapped cache (complex function)
+ 0x4, 31:0, eax, 4:0, cache_type , Cache type field
+ 0x4, 31:0, eax, 7:5, cache_level , Cache level (1-based)
+ 0x4, 31:0, eax, 8, cache_self_init , Self-initializing cache level
+ 0x4, 31:0, eax, 9, fully_associative , Fully-associative cache
+ 0x4, 31:0, eax, 25:14, num_threads_sharing , Number logical CPUs sharing this cache
+ 0x4, 31:0, eax, 31:26, num_cores_on_die , Number of cores in the physical package
+ 0x4, 31:0, ebx, 11:0, cache_linesize , System coherency line size (0-based)
+ 0x4, 31:0, ebx, 21:12, cache_npartitions , Physical line partitions (0-based)
+ 0x4, 31:0, ebx, 31:22, cache_nways , Ways of associativity (0-based)
+ 0x4, 31:0, ecx, 30:0, cache_nsets , Cache number of sets (0-based)
+ 0x4, 31:0, edx, 0, wbinvd_rll_no_guarantee, WBINVD/INVD not guaranteed for Remote Lower-Level caches
+ 0x4, 31:0, edx, 1, ll_inclusive , Cache is inclusive of Lower-Level caches
+ 0x4, 31:0, edx, 2, complex_indexing , Not a direct-mapped cache (complex function)
# Leaf 5H
# MONITOR/MWAIT instructions enumeration
- 5, 0, eax, 15:0, min_mon_size , Smallest monitor-line size, in bytes
- 5, 0, ebx, 15:0, max_mon_size , Largest monitor-line size, in bytes
- 5, 0, ecx, 0, mwait_ext , Enumeration of MONITOR/MWAIT extensions is supported
- 5, 0, ecx, 1, mwait_irq_break , Interrupts as a break-event for MWAIT is supported
- 5, 0, edx, 3:0, n_c0_substates , Number of C0 sub C-states supported using MWAIT
- 5, 0, edx, 7:4, n_c1_substates , Number of C1 sub C-states supported using MWAIT
- 5, 0, edx, 11:8, n_c2_substates , Number of C2 sub C-states supported using MWAIT
- 5, 0, edx, 15:12, n_c3_substates , Number of C3 sub C-states supported using MWAIT
- 5, 0, edx, 19:16, n_c4_substates , Number of C4 sub C-states supported using MWAIT
- 5, 0, edx, 23:20, n_c5_substates , Number of C5 sub C-states supported using MWAIT
- 5, 0, edx, 27:24, n_c6_substates , Number of C6 sub C-states supported using MWAIT
- 5, 0, edx, 31:28, n_c7_substates , Number of C7 sub C-states supported using MWAIT
+ 0x5, 0, eax, 15:0, min_mon_size , Smallest monitor-line size, in bytes
+ 0x5, 0, ebx, 15:0, max_mon_size , Largest monitor-line size, in bytes
+ 0x5, 0, ecx, 0, mwait_ext , Enumeration of MONITOR/MWAIT extensions is supported
+ 0x5, 0, ecx, 1, mwait_irq_break , Interrupts as a break-event for MWAIT is supported
+ 0x5, 0, edx, 3:0, n_c0_substates , Number of C0 sub C-states supported using MWAIT
+ 0x5, 0, edx, 7:4, n_c1_substates , Number of C1 sub C-states supported using MWAIT
+ 0x5, 0, edx, 11:8, n_c2_substates , Number of C2 sub C-states supported using MWAIT
+ 0x5, 0, edx, 15:12, n_c3_substates , Number of C3 sub C-states supported using MWAIT
+ 0x5, 0, edx, 19:16, n_c4_substates , Number of C4 sub C-states supported using MWAIT
+ 0x5, 0, edx, 23:20, n_c5_substates , Number of C5 sub C-states supported using MWAIT
+ 0x5, 0, edx, 27:24, n_c6_substates , Number of C6 sub C-states supported using MWAIT
+ 0x5, 0, edx, 31:28, n_c7_substates , Number of C7 sub C-states supported using MWAIT
# Leaf 6H
# Thermal and Power Management enumeration
- 6, 0, eax, 0, dtherm , Digital temprature sensor
- 6, 0, eax, 1, turbo_boost , Intel Turbo Boost
- 6, 0, eax, 2, arat , Always-Running APIC Timer (not affected by p-state)
- 6, 0, eax, 4, pln , Power Limit Notification (PLN) event
- 6, 0, eax, 5, ecmd , Clock modulation duty cycle extension
- 6, 0, eax, 6, pts , Package thermal management
- 6, 0, eax, 7, hwp , HWP (Hardware P-states) base registers are supported
- 6, 0, eax, 8, hwp_notify , HWP notification (IA32_HWP_INTERRUPT MSR)
- 6, 0, eax, 9, hwp_act_window , HWP activity window (IA32_HWP_REQUEST[bits 41:32]) supported
- 6, 0, eax, 10, hwp_epp , HWP Energy Performance Preference
- 6, 0, eax, 11, hwp_pkg_req , HWP Package Level Request
- 6, 0, eax, 13, hdc_base_regs , HDC base registers are supported
- 6, 0, eax, 14, turbo_boost_3_0 , Intel Turbo Boost Max 3.0
- 6, 0, eax, 15, hwp_capabilities , HWP Highest Performance change
- 6, 0, eax, 16, hwp_peci_override , HWP PECI override
- 6, 0, eax, 17, hwp_flexible , Flexible HWP
- 6, 0, eax, 18, hwp_fast , IA32_HWP_REQUEST MSR fast access mode
- 6, 0, eax, 19, hfi , HW_FEEDBACK MSRs supported
- 6, 0, eax, 20, hwp_ignore_idle , Ignoring idle logical CPU HWP req is supported
- 6, 0, eax, 23, thread_director , Intel thread director support
- 6, 0, eax, 24, therm_interrupt_bit25 , IA32_THERM_INTERRUPT MSR bit 25 is supported
- 6, 0, ebx, 3:0, n_therm_thresholds , Digital thermometer thresholds
- 6, 0, ecx, 0, aperfmperf , MPERF/APERF MSRs (effective frequency interface)
- 6, 0, ecx, 3, epb , IA32_ENERGY_PERF_BIAS MSR support
- 6, 0, ecx, 15:8, thrd_director_nclasses , Number of classes, Intel thread director
- 6, 0, edx, 0, perfcap_reporting , Performance capability reporting
- 6, 0, edx, 1, encap_reporting , Energy efficiency capability reporting
- 6, 0, edx, 11:8, feedback_sz , HW feedback interface struct size, in 4K pages
- 6, 0, edx, 31:16, this_lcpu_hwfdbk_idx , This logical CPU index @ HW feedback struct, 0-based
+ 0x6, 0, eax, 0, dtherm , Digital temperature sensor
+ 0x6, 0, eax, 1, turbo_boost , Intel Turbo Boost
+ 0x6, 0, eax, 2, arat , Always-Running APIC Timer (not affected by p-state)
+ 0x6, 0, eax, 4, pln , Power Limit Notification (PLN) event
+ 0x6, 0, eax, 5, ecmd , Clock modulation duty cycle extension
+ 0x6, 0, eax, 6, pts , Package thermal management
+ 0x6, 0, eax, 7, hwp , HWP (Hardware P-states) base registers are supported
+ 0x6, 0, eax, 8, hwp_notify , HWP notification (IA32_HWP_INTERRUPT MSR)
+ 0x6, 0, eax, 9, hwp_act_window , HWP activity window (IA32_HWP_REQUEST[bits 41:32]) supported
+ 0x6, 0, eax, 10, hwp_epp , HWP Energy Performance Preference
+ 0x6, 0, eax, 11, hwp_pkg_req , HWP Package Level Request
+ 0x6, 0, eax, 13, hdc_base_regs , HDC base registers are supported
+ 0x6, 0, eax, 14, turbo_boost_3_0 , Intel Turbo Boost Max 3.0
+ 0x6, 0, eax, 15, hwp_capabilities , HWP Highest Performance change
+ 0x6, 0, eax, 16, hwp_peci_override , HWP PECI override
+ 0x6, 0, eax, 17, hwp_flexible , Flexible HWP
+ 0x6, 0, eax, 18, hwp_fast , IA32_HWP_REQUEST MSR fast access mode
+ 0x6, 0, eax, 19, hfi , HW_FEEDBACK MSRs supported
+ 0x6, 0, eax, 20, hwp_ignore_idle , Ignoring idle logical CPU HWP req is supported
+ 0x6, 0, eax, 23, thread_director , Intel thread director support
+ 0x6, 0, eax, 24, therm_interrupt_bit25 , IA32_THERM_INTERRUPT MSR bit 25 is supported
+ 0x6, 0, ebx, 3:0, n_therm_thresholds , Digital thermometer thresholds
+ 0x6, 0, ecx, 0, aperfmperf , MPERF/APERF MSRs (effective frequency interface)
+ 0x6, 0, ecx, 3, epb , IA32_ENERGY_PERF_BIAS MSR support
+ 0x6, 0, ecx, 15:8, thrd_director_nclasses , Number of classes, Intel thread director
+ 0x6, 0, edx, 0, perfcap_reporting , Performance capability reporting
+ 0x6, 0, edx, 1, encap_reporting , Energy efficiency capability reporting
+ 0x6, 0, edx, 11:8, feedback_sz , Feedback interface structure size, in 4K pages
+ 0x6, 0, edx, 31:16, this_lcpu_hwfdbk_idx , This logical CPU hardware feedback interface index
# Leaf 7H
# Extended CPU features enumeration
- 7, 0, eax, 31:0, leaf7_n_subleaves , Number of cpuid 0x7 subleaves
- 7, 0, ebx, 0, fsgsbase , FSBASE/GSBASE read/write support
- 7, 0, ebx, 1, tsc_adjust , IA32_TSC_ADJUST MSR supported
- 7, 0, ebx, 2, sgx , Intel SGX (Software Guard Extensions)
- 7, 0, ebx, 3, bmi1 , Bit manipulation extensions group 1
- 7, 0, ebx, 4, hle , Hardware Lock Elision
- 7, 0, ebx, 5, avx2 , AVX2 instruction set
- 7, 0, ebx, 6, fdp_excptn_only , FPU Data Pointer updated only on x87 exceptions
- 7, 0, ebx, 7, smep , Supervisor Mode Execution Protection
- 7, 0, ebx, 8, bmi2 , Bit manipulation extensions group 2
- 7, 0, ebx, 9, erms , Enhanced REP MOVSB/STOSB
- 7, 0, ebx, 10, invpcid , INVPCID instruction (Invalidate Processor Context ID)
- 7, 0, ebx, 11, rtm , Intel restricted transactional memory
- 7, 0, ebx, 12, cqm , Intel RDT-CMT / AMD Platform-QoS cache monitoring
- 7, 0, ebx, 13, zero_fcs_fds , Deprecated FPU CS/DS (stored as zero)
- 7, 0, ebx, 14, mpx , Intel memory protection extensions
- 7, 0, ebx, 15, rdt_a , Intel RDT / AMD Platform-QoS Enforcemeent
- 7, 0, ebx, 16, avx512f , AVX-512 foundation instructions
- 7, 0, ebx, 17, avx512dq , AVX-512 double/quadword instructions
- 7, 0, ebx, 18, rdseed , RDSEED instruction
- 7, 0, ebx, 19, adx , ADCX/ADOX instructions
- 7, 0, ebx, 20, smap , Supervisor mode access prevention
- 7, 0, ebx, 21, avx512ifma , AVX-512 integer fused multiply add
- 7, 0, ebx, 23, clflushopt , CLFLUSHOPT instruction
- 7, 0, ebx, 24, clwb , CLWB instruction
- 7, 0, ebx, 25, intel_pt , Intel processor trace
- 7, 0, ebx, 26, avx512pf , AVX-512 prefetch instructions
- 7, 0, ebx, 27, avx512er , AVX-512 exponent/reciprocal instrs
- 7, 0, ebx, 28, avx512cd , AVX-512 conflict detection instrs
- 7, 0, ebx, 29, sha_ni , SHA/SHA256 instructions
- 7, 0, ebx, 30, avx512bw , AVX-512 BW (byte/word granular) instructions
- 7, 0, ebx, 31, avx512vl , AVX-512 VL (128/256 vector length) extensions
- 7, 0, ecx, 0, prefetchwt1 , PREFETCHWT1 (Intel Xeon Phi only)
- 7, 0, ecx, 1, avx512vbmi , AVX-512 Vector byte manipulation instrs
- 7, 0, ecx, 2, umip , User mode instruction protection
- 7, 0, ecx, 3, pku , Protection keys for user-space
- 7, 0, ecx, 4, ospke , OS protection keys enable
- 7, 0, ecx, 5, waitpkg , WAITPKG instructions
- 7, 0, ecx, 6, avx512_vbmi2 , AVX-512 vector byte manipulation instrs group 2
- 7, 0, ecx, 7, cet_ss , CET shadow stack features
- 7, 0, ecx, 8, gfni , Galois field new instructions
- 7, 0, ecx, 9, vaes , Vector AES instrs
- 7, 0, ecx, 10, vpclmulqdq , VPCLMULQDQ 256-bit instruction support
- 7, 0, ecx, 11, avx512_vnni , Vector neural network instructions
- 7, 0, ecx, 12, avx512_bitalg , AVX-512 bit count/shiffle
- 7, 0, ecx, 13, tme , Intel total memory encryption
- 7, 0, ecx, 14, avx512_vpopcntdq , AVX-512: POPCNT for vectors of DW/QW
- 7, 0, ecx, 16, la57 , 57-bit linear addreses (five-level paging)
- 7, 0, ecx, 21:17, mawau_val_lm , BNDLDX/BNDSTX MAWAU value in 64-bit mode
- 7, 0, ecx, 22, rdpid , RDPID instruction
- 7, 0, ecx, 23, key_locker , Intel key locker support
- 7, 0, ecx, 24, bus_lock_detect , OS bus-lock detection
- 7, 0, ecx, 25, cldemote , CLDEMOTE instruction
- 7, 0, ecx, 27, movdiri , MOVDIRI instruction
- 7, 0, ecx, 28, movdir64b , MOVDIR64B instruction
- 7, 0, ecx, 29, enqcmd , Enqueue stores supported (ENQCMD{,S})
- 7, 0, ecx, 30, sgx_lc , Intel SGX launch configuration
- 7, 0, ecx, 31, pks , Protection keys for supervisor-mode pages
- 7, 0, edx, 1, sgx_keys , Intel SGX attestation services
- 7, 0, edx, 2, avx512_4vnniw , AVX-512 neural network instructions
- 7, 0, edx, 3, avx512_4fmaps , AVX-512 multiply accumulation single precision
- 7, 0, edx, 4, fsrm , Fast short REP MOV
- 7, 0, edx, 5, uintr , CPU supports user interrupts
- 7, 0, edx, 8, avx512_vp2intersect , VP2INTERSECT{D,Q} instructions
- 7, 0, edx, 9, srdbs_ctrl , SRBDS mitigation MSR available
- 7, 0, edx, 10, md_clear , VERW MD_CLEAR microcode support
- 7, 0, edx, 11, rtm_always_abort , XBEGIN (RTM transaction) always aborts
- 7, 0, edx, 13, tsx_force_abort , MSR TSX_FORCE_ABORT, RTM_ABORT bit, supported
- 7, 0, edx, 14, serialize , SERIALIZE instruction
- 7, 0, edx, 15, hybrid_cpu , The CPU is identified as a 'hybrid part'
- 7, 0, edx, 16, tsxldtrk , TSX suspend/resume load address tracking
- 7, 0, edx, 18, pconfig , PCONFIG instruction
- 7, 0, edx, 19, arch_lbr , Intel architectural LBRs
- 7, 0, edx, 20, ibt , CET indirect branch tracking
- 7, 0, edx, 22, amx_bf16 , AMX-BF16: tile bfloat16 support
- 7, 0, edx, 23, avx512_fp16 , AVX-512 FP16 instructions
- 7, 0, edx, 24, amx_tile , AMX-TILE: tile architecture support
- 7, 0, edx, 25, amx_int8 , AMX-INT8: tile 8-bit integer support
- 7, 0, edx, 26, spec_ctrl , Speculation Control (IBRS/IBPB: indirect branch restrictions)
- 7, 0, edx, 27, intel_stibp , Single thread indirect branch predictors
- 7, 0, edx, 28, flush_l1d , FLUSH L1D cache: IA32_FLUSH_CMD MSR
- 7, 0, edx, 29, arch_capabilities , Intel IA32_ARCH_CAPABILITIES MSR
- 7, 0, edx, 30, core_capabilities , IA32_CORE_CAPABILITIES MSR
- 7, 0, edx, 31, spec_ctrl_ssbd , Speculative store bypass disable
- 7, 1, eax, 4, avx_vnni , AVX-VNNI instructions
- 7, 1, eax, 5, avx512_bf16 , AVX-512 bFloat16 instructions
- 7, 1, eax, 6, lass , Linear address space separation
- 7, 1, eax, 7, cmpccxadd , CMPccXADD instructions
- 7, 1, eax, 8, arch_perfmon_ext , ArchPerfmonExt: CPUID leaf 0x23 is supported
- 7, 1, eax, 10, fzrm , Fast zero-length REP MOVSB
- 7, 1, eax, 11, fsrs , Fast short REP STOSB
- 7, 1, eax, 12, fsrc , Fast Short REP CMPSB/SCASB
- 7, 1, eax, 17, fred , FRED: Flexible return and event delivery transitions
- 7, 1, eax, 18, lkgs , LKGS: Load 'kernel' (userspace) GS
- 7, 1, eax, 19, wrmsrns , WRMSRNS instr (WRMSR-non-serializing)
- 7, 1, eax, 21, amx_fp16 , AMX-FP16: FP16 tile operations
- 7, 1, eax, 22, hreset , History reset support
- 7, 1, eax, 23, avx_ifma , Integer fused multiply add
- 7, 1, eax, 26, lam , Linear address masking
- 7, 1, eax, 27, rd_wr_msrlist , RDMSRLIST/WRMSRLIST instructions
- 7, 1, ebx, 0, intel_ppin , Protected processor inventory number (PPIN{,_CTL} MSRs)
- 7, 1, edx