AppleCpuSupport.c File Reference

#include <Uefi.h>
#include <IndustryStandard/AppleSmBios.h>
#include <Library/BaseLib.h>
#include <Library/OcCpuLib.h>
#include <Library/OcStringLib.h>
#include <IndustryStandard/ProcessorInfo.h>
#include "OcCpuInternals.h"

Go to the source code of this file.

Functions
UINT8	InternalDetectAppleMajorType (IN CONST CHAR8 *BrandString)
UINT16	InternalDetectAppleProcessorType (IN UINT8 Model, IN UINT8 Stepping, IN UINT8 AppleMajorType, IN UINT16 CoreCount, IN BOOLEAN Is64Bit)
UINT32	OcCpuModelToAppleFamily (IN CPUID_VERSION_INFO_EAX VersionEax)
UINT16	OcCpuFrequencyToDisplayFrequency (IN UINT64 Frequency)

Detailed Description

Copyright (C) 2016 - 2017, The HermitCrabs Lab. All rights reserved.

All rights reserved.

This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

Definition in file AppleCpuSupport.c.

Function Documentation

InternalDetectAppleMajorType()

UINT8 InternalDetectAppleMajorType

(

IN CONST CHAR8 *

BrandString

)

Detect Apple CPU major type.

Parameters

[in]

BrandString

CPU Brand String from CPUID.

Return values

Apple

CPU major type.

Definition at line 26 of file AppleCpuSupport.c.

InternalDetectAppleProcessorType()

UINT16 InternalDetectAppleProcessorType	(	IN UINT8	Model,
		IN UINT8	Stepping,
		IN UINT8	AppleMajorType,
		IN UINT16	CoreCount,
		IN BOOLEAN	Is64Bit )

Detect Apple CPU type.

Parameters

[in]	Model	CPU model from CPUID.
[in]	Stepping	CPU stepping from CPUID.
[in]	AppleMajorType	Apple CPU major type.
[in]	CoreCount	Number of physical cores.
[in]	Is64Bit	CPU supports 64-bit mode.

Return values

Apple

CPU type.

Definition at line 132 of file AppleCpuSupport.c.

OcCpuFrequencyToDisplayFrequency()

UINT16 OcCpuFrequencyToDisplayFrequency

(

IN UINT64

Frequency

)

Converts calculated CPU frequency in Hz to rounded value in MHz.

Parameters

[in]

Frequency

CPU frequency in Hz.

Returns

Rounded CPU frequency in MHz.

Definition at line 742 of file AppleCpuSupport.c.

OcCpuModelToAppleFamily()

UINT32 OcCpuModelToAppleFamily

(

IN CPUID_VERSION_INFO_EAX

VersionEax

)

Converts CPUID Family and Model extracted from EAX CPUID (1) call to AppleFamily value. This implements cpuid_set_cpufamily functionality as it is in XNU.

Parameters

[in]

VersionEax

CPUID (1) EAX value.

Return values

Apple

Family (e.g. CPUFAMILY_UNKNOWN)

Definition at line 686 of file AppleCpuSupport.c.