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196 lines
7.4 KiB
196 lines
7.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_X86_CPU_DEVICE_ID |
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#define _ASM_X86_CPU_DEVICE_ID |
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/* |
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* Declare drivers belonging to specific x86 CPUs |
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* Similar in spirit to pci_device_id and related PCI functions |
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* |
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* The wildcard initializers are in mod_devicetable.h because |
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* file2alias needs them. Sigh. |
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*/ |
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#include <linux/mod_devicetable.h> |
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/* Get the INTEL_FAM* model defines */ |
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#include <asm/intel-family.h> |
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/* And the X86_VENDOR_* ones */ |
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#include <asm/processor.h> |
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/* Centaur FAM6 models */ |
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#define X86_CENTAUR_FAM6_C7_A 0xa |
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#define X86_CENTAUR_FAM6_C7_D 0xd |
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#define X86_CENTAUR_FAM6_NANO 0xf |
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#define X86_STEPPINGS(mins, maxs) GENMASK(maxs, mins) |
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/** |
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* X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE - Base macro for CPU matching |
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* @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY |
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* The name is expanded to X86_VENDOR_@_vendor |
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* @_family: The family number or X86_FAMILY_ANY |
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* @_model: The model number, model constant or X86_MODEL_ANY |
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* @_steppings: Bitmask for steppings, stepping constant or X86_STEPPING_ANY |
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* @_feature: A X86_FEATURE bit or X86_FEATURE_ANY |
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* @_data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* Use only if you need all selectors. Otherwise use one of the shorter |
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* macros of the X86_MATCH_* family. If there is no matching shorthand |
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* macro, consider to add one. If you really need to wrap one of the macros |
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* into another macro at the usage site for good reasons, then please |
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* start this local macro with X86_MATCH to allow easy grepping. |
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*/ |
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#define X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \ |
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_steppings, _feature, _data) { \ |
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.vendor = X86_VENDOR_##_vendor, \ |
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.family = _family, \ |
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.model = _model, \ |
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.steppings = _steppings, \ |
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.feature = _feature, \ |
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.driver_data = (unsigned long) _data \ |
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} |
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/** |
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* X86_MATCH_VENDOR_FAM_MODEL_FEATURE - Macro for CPU matching |
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* @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY |
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* The name is expanded to X86_VENDOR_@_vendor |
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* @_family: The family number or X86_FAMILY_ANY |
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* @_model: The model number, model constant or X86_MODEL_ANY |
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* @_feature: A X86_FEATURE bit or X86_FEATURE_ANY |
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* @_data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* The steppings arguments of X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE() is |
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* set to wildcards. |
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*/ |
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#define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, feature, data) \ |
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X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(vendor, family, model, \ |
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X86_STEPPING_ANY, feature, data) |
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/** |
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* X86_MATCH_VENDOR_FAM_FEATURE - Macro for matching vendor, family and CPU feature |
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* @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY |
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* The name is expanded to X86_VENDOR_@vendor |
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* @family: The family number or X86_FAMILY_ANY |
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* @feature: A X86_FEATURE bit |
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* @data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are |
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* set to wildcards. |
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*/ |
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#define X86_MATCH_VENDOR_FAM_FEATURE(vendor, family, feature, data) \ |
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X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, \ |
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X86_MODEL_ANY, feature, data) |
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/** |
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* X86_MATCH_VENDOR_FEATURE - Macro for matching vendor and CPU feature |
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* @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY |
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* The name is expanded to X86_VENDOR_@vendor |
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* @feature: A X86_FEATURE bit |
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* @data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are |
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* set to wildcards. |
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*/ |
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#define X86_MATCH_VENDOR_FEATURE(vendor, feature, data) \ |
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X86_MATCH_VENDOR_FAM_FEATURE(vendor, X86_FAMILY_ANY, feature, data) |
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/** |
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* X86_MATCH_FEATURE - Macro for matching a CPU feature |
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* @feature: A X86_FEATURE bit |
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* @data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are |
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* set to wildcards. |
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*/ |
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#define X86_MATCH_FEATURE(feature, data) \ |
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X86_MATCH_VENDOR_FEATURE(ANY, feature, data) |
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/** |
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* X86_MATCH_VENDOR_FAM_MODEL - Match vendor, family and model |
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* @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY |
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* The name is expanded to X86_VENDOR_@vendor |
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* @family: The family number or X86_FAMILY_ANY |
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* @model: The model number, model constant or X86_MODEL_ANY |
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* @data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* All other missing arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are |
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* set to wildcards. |
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*/ |
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#define X86_MATCH_VENDOR_FAM_MODEL(vendor, family, model, data) \ |
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X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, \ |
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X86_FEATURE_ANY, data) |
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/** |
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* X86_MATCH_VENDOR_FAM - Match vendor and family |
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* @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY |
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* The name is expanded to X86_VENDOR_@vendor |
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* @family: The family number or X86_FAMILY_ANY |
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* @data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* All other missing arguments to X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are |
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* set of wildcards. |
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*/ |
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#define X86_MATCH_VENDOR_FAM(vendor, family, data) \ |
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X86_MATCH_VENDOR_FAM_MODEL(vendor, family, X86_MODEL_ANY, data) |
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/** |
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* X86_MATCH_INTEL_FAM6_MODEL - Match vendor INTEL, family 6 and model |
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* @model: The model name without the INTEL_FAM6_ prefix or ANY |
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* The model name is expanded to INTEL_FAM6_@model internally |
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* @data: Driver specific data or NULL. The internal storage |
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* format is unsigned long. The supplied value, pointer |
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* etc. is casted to unsigned long internally. |
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* |
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* The vendor is set to INTEL, the family to 6 and all other missing |
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* arguments of X86_MATCH_VENDOR_FAM_MODEL_FEATURE() are set to wildcards. |
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* |
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* See X86_MATCH_VENDOR_FAM_MODEL_FEATURE() for further information. |
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*/ |
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#define X86_MATCH_INTEL_FAM6_MODEL(model, data) \ |
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X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, INTEL_FAM6_##model, data) |
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#define X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(model, steppings, data) \ |
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X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(INTEL, 6, INTEL_FAM6_##model, \ |
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steppings, X86_FEATURE_ANY, data) |
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/* |
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* Match specific microcode revisions. |
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* |
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* vendor/family/model/stepping must be all set. |
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* |
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* Only checks against the boot CPU. When mixed-stepping configs are |
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* valid for a CPU model, add a quirk for every valid stepping and |
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* do the fine-tuning in the quirk handler. |
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*/ |
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struct x86_cpu_desc { |
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u8 x86_family; |
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u8 x86_vendor; |
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u8 x86_model; |
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u8 x86_stepping; |
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u32 x86_microcode_rev; |
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}; |
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#define INTEL_CPU_DESC(model, stepping, revision) { \ |
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.x86_family = 6, \ |
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.x86_vendor = X86_VENDOR_INTEL, \ |
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.x86_model = (model), \ |
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.x86_stepping = (stepping), \ |
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.x86_microcode_rev = (revision), \ |
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} |
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extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); |
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extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table); |
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#endif /* _ASM_X86_CPU_DEVICE_ID */
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