UserMisc.c File Reference

#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/UefiApplicationEntryPoint.h>
#include <Library/DebugLib.h>

Go to the source code of this file.

Functions
VOID EFIAPI	CpuBreakpoint (VOID)
VOID EFIAPI	CpuPause (VOID)
VOID EFIAPI	DisableInterrupts (VOID)
VOID EFIAPI	EnableInterrupts (VOID)
UINT32	AsmCpuid (IN UINT32 Index, OUT UINT32 *Eax, OPTIONAL OUT UINT32 *Ebx, OPTIONAL OUT UINT32 *Ecx, OPTIONAL OUT UINT32 *Edx OPTIONAL)
UINT32	AsmCpuidEx (IN UINT32 Index, IN UINT32 SubIndex, OUT UINT32 *Eax, OPTIONAL OUT UINT32 *Ebx, OPTIONAL OUT UINT32 *Ecx, OPTIONAL OUT UINT32 *Edx OPTIONAL)
UINT32 EFIAPI	AsmIncrementUint32 (IN volatile UINT32 *Value)
UINT32 EFIAPI	AsmReadIntelMicrocodeRevision (VOID)
UINTN EFIAPI	AsmReadCr4 (VOID)
UINT16 EFIAPI	AsmReadCs (VOID)
UINTN EFIAPI	AsmReadEflags (VOID)
UINT64 EFIAPI	AsmReadMsr64 (IN UINT32 Index)
UINT64 EFIAPI	AsmReadTsc (VOID)
UINTN EFIAPI	AsmWriteCr4 (UINTN Cr4)
UINT64 EFIAPI	AsmWriteMsr64 (IN UINT32 Index, IN UINT64 Value)
UINT64 EFIAPI	AsmMsrAndThenOr64 (IN UINT32 Index, IN UINT64 AndData, IN UINT64 OrData)
VOID EFIAPI	AsmDisableCache (VOID)
VOID EFIAPI	AsmEnableCache (VOID)
VOID EFIAPI	CpuFlushTlb (VOID)
UINT8 EFIAPI	IoRead8 (IN UINTN Port)
UINT8 EFIAPI	IoWrite8 (IN UINTN Port, IN UINT8 Value)
UINT32 EFIAPI	IoRead32 (IN UINTN Port)
UINT32 EFIAPI	IoWrite32 (IN UINTN Port, IN UINT32 Value)
UINT16 EFIAPI	MmioAnd16 (IN UINTN Address, IN UINT16 AndData)
UINT32 EFIAPI	MmioAnd32 (IN UINTN Address, IN UINT16 AndData)
UINT8 EFIAPI	MmioAnd8 (IN UINTN Address, IN UINT8 AndData)
UINT16 EFIAPI	MmioAndThenOr16 (IN UINTN Address, IN UINT16 AndData, IN UINT16 OrData)
UINT32 EFIAPI	MmioAndThenOr32 (IN UINTN Address, IN UINT32 AndData, IN UINT32 OrData)
UINT8 EFIAPI	MmioAndThenOr8 (IN UINTN Address, IN UINT8 AndData, IN UINT8 OrData)
UINT16 EFIAPI	MmioBitFieldAnd16 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT16 AndData)
UINT32 EFIAPI	MmioBitFieldAnd32 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT32 AndData)
UINT8 EFIAPI	MmioBitFieldAnd8 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT8 AndData)
UINT16 EFIAPI	MmioBitFieldAndThenOr16 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT16 AndData, IN UINT16 OrData)
UINT32 EFIAPI	MmioBitFieldAndThenOr32 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT32 AndData, IN UINT32 OrData)
UINT8 EFIAPI	MmioBitFieldAndThenOr8 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT8 AndData, IN UINT8 OrData)
UINT16 EFIAPI	MmioBitFieldOr16 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT16 OrData)
UINT32 EFIAPI	MmioBitFieldOr32 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT32 OrData)
UINT8 EFIAPI	MmioBitFieldOr8 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT8 OrData)
UINT16 EFIAPI	MmioBitFieldRead16 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit)
UINT32 EFIAPI	MmioBitFieldRead32 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit)
UINT8 EFIAPI	MmioBitFieldRead8 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit)
UINT16 EFIAPI	MmioBitFieldWrite16 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT16 Value)
UINT32 EFIAPI	MmioBitFieldWrite32 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT32 Value)
UINT8 EFIAPI	MmioBitFieldWrite8 (IN UINTN Address, IN UINTN StartBit, IN UINTN EndBit, IN UINT8 Value)
UINT16 EFIAPI	MmioOr16 (IN UINTN Address, IN UINT16 OrData)
UINT32 EFIAPI	MmioOr32 (IN UINTN Address, IN UINT32 OrData)
UINT8 EFIAPI	MmioOr8 (IN UINTN Address, IN UINT8 OrData)
UINT16 EFIAPI	MmioRead16 (IN UINTN Address)
UINT32 EFIAPI	MmioRead32 (IN UINTN Address)
UINT8 EFIAPI	MmioRead8 (IN UINTN Address)
UINT16 EFIAPI	MmioWrite16 (IN UINTN Address, IN UINT16 Value)
UINT32 EFIAPI	MmioWrite32 (IN UINTN Address, IN UINT32 Value)
UINT8 EFIAPI	MmioWrite8 (IN UINTN Address, IN UINT8 Value)
VOID *EFIAPI	GetFirstGuidHob (IN CONST EFI_GUID *Guid)
EFI_DEVICE_PATH_PROTOCOL *EFIAPI	DevicePathFromHandle (IN EFI_HANDLE Handle)
EFI_FILE_PROTOCOL *	OcLocateRootVolume (IN EFI_HANDLE DeviceHandle OPTIONAL, IN EFI_DEVICE_PATH_PROTOCOL *FilePath OPTIONAL)
UINTN	GetSerialRegisterBase (VOID)

Detailed Description

Copyright (c) 2020, PMheart. All rights reserved. SPDX-License-Identifier: BSD-3-Clause

Definition in file UserMisc.c.

Function Documentation

AsmCpuid()

UINT32 AsmCpuid	(	IN UINT32	Index,
		OUT UINT32 *	Eax,
		OPTIONAL OUT UINT32 *	Ebx,
		OPTIONAL OUT UINT32 *	Ecx,
		OPTIONAL OUT UINT32 *Edx	OPTIONAL )

Definition at line 45 of file UserMisc.c.

AsmCpuidEx()

UINT32 AsmCpuidEx	(	IN UINT32	Index,
		IN UINT32	SubIndex,
		OUT UINT32 *	Eax,
		OPTIONAL OUT UINT32 *	Ebx,
		OPTIONAL OUT UINT32 *	Ecx,
		OPTIONAL OUT UINT32 *Edx	OPTIONAL )

Definition at line 109 of file UserMisc.c.

AsmDisableCache()

VOID EFIAPI AsmDisableCache

(

VOID

)

Definition at line 274 of file UserMisc.c.

AsmEnableCache()

VOID EFIAPI AsmEnableCache

(

VOID

)

Definition at line 282 of file UserMisc.c.

AsmIncrementUint32()

UINT32 EFIAPI AsmIncrementUint32

(

IN volatile UINT32 *

Value

)

Atomically increment 32-bit integer. This is required to be locally implemented as we cannot use SynchronizationLib, which depends on TimerLib, and our TimerLib depends on this library.

Parameters

[in]

Value

Pointer to 32-bit integer to increment.

Return values

value

after incrementing.

Definition at line 176 of file UserMisc.c.

AsmMsrAndThenOr64()

UINT64 EFIAPI AsmMsrAndThenOr64	(	IN UINT32	Index,
		IN UINT64	AndData,
		IN UINT64	OrData )

Definition at line 260 of file UserMisc.c.

AsmReadCr4()

UINTN EFIAPI AsmReadCr4

(

VOID

)

Definition at line 196 of file UserMisc.c.

AsmReadCs()

UINT16 EFIAPI AsmReadCs

(

VOID

)

Definition at line 205 of file UserMisc.c.

AsmReadEflags()

UINTN EFIAPI AsmReadEflags

(

VOID

)

Definition at line 214 of file UserMisc.c.

AsmReadIntelMicrocodeRevision()

UINT32 EFIAPI AsmReadIntelMicrocodeRevision

(

VOID

)

Returns microcode revision for Intel CPUs.

Return values

microcode

revision.

Definition at line 187 of file UserMisc.c.

AsmReadMsr64()

UINT64 EFIAPI AsmReadMsr64

(

IN UINT32

Index

)

Definition at line 223 of file UserMisc.c.

AsmReadTsc()

UINT64 EFIAPI AsmReadTsc

(

VOID

)

Definition at line 232 of file UserMisc.c.

AsmWriteCr4()

UINTN EFIAPI AsmWriteCr4

(

UINTN

Cr4

)

Definition at line 241 of file UserMisc.c.

AsmWriteMsr64()

UINT64 EFIAPI AsmWriteMsr64	(	IN UINT32	Index,
		IN UINT64	Value )

Definition at line 250 of file UserMisc.c.

CpuBreakpoint()

VOID EFIAPI CpuBreakpoint

(

VOID

)

Definition at line 13 of file UserMisc.c.

CpuFlushTlb()

VOID EFIAPI CpuFlushTlb

(

VOID

)

Definition at line 290 of file UserMisc.c.

CpuPause()

VOID EFIAPI CpuPause

(

VOID

)

Definition at line 22 of file UserMisc.c.

DevicePathFromHandle()

EFI_DEVICE_PATH_PROTOCOL *EFIAPI DevicePathFromHandle

(

IN EFI_HANDLE

Handle

)

Definition at line 680 of file UserMisc.c.

DisableInterrupts()

VOID EFIAPI DisableInterrupts

(

VOID

)

Definition at line 30 of file UserMisc.c.

EnableInterrupts()

VOID EFIAPI EnableInterrupts

(

VOID

)

Definition at line 38 of file UserMisc.c.

GetFirstGuidHob()

VOID *EFIAPI GetFirstGuidHob

(

IN CONST EFI_GUID *

Guid

)

Definition at line 671 of file UserMisc.c.

GetSerialRegisterBase()

UINTN GetSerialRegisterBase

(

VOID

)

Retrieve the I/O or MMIO base address register for the PCI UART device. This function assumes Root Bus Numer is Zero, and enables I/O and MMIO in PCI UART Device if they are not already enabled.

Returns

The base address register of the UART device.

Definition at line 697 of file UserMisc.c.

IoRead32()

UINT32 EFIAPI IoRead32

(

IN UINTN

Port

)

Definition at line 318 of file UserMisc.c.

IoRead8()

UINT8 EFIAPI IoRead8

(

IN UINTN

Port

)

Definition at line 298 of file UserMisc.c.

IoWrite32()

UINT32 EFIAPI IoWrite32	(	IN UINTN	Port,
		IN UINT32	Value )

Definition at line 329 of file UserMisc.c.

IoWrite8()

UINT8 EFIAPI IoWrite8	(	IN UINTN	Port,
		IN UINT8	Value )

Definition at line 307 of file UserMisc.c.

MmioAnd16()

UINT16 EFIAPI MmioAnd16	(	IN UINTN	Address,
		IN UINT16	AndData )

Definition at line 341 of file UserMisc.c.

MmioAnd32()

UINT32 EFIAPI MmioAnd32	(	IN UINTN	Address,
		IN UINT16	AndData )

Definition at line 351 of file UserMisc.c.

MmioAnd8()

UINT8 EFIAPI MmioAnd8	(	IN UINTN	Address,
		IN UINT8	AndData )

Definition at line 361 of file UserMisc.c.

MmioAndThenOr16()

UINT16 EFIAPI MmioAndThenOr16	(	IN UINTN	Address,
		IN UINT16	AndData,
		IN UINT16	OrData )

Definition at line 371 of file UserMisc.c.

MmioAndThenOr32()

UINT32 EFIAPI MmioAndThenOr32	(	IN UINTN	Address,
		IN UINT32	AndData,
		IN UINT32	OrData )

Definition at line 382 of file UserMisc.c.

MmioAndThenOr8()

UINT8 EFIAPI MmioAndThenOr8	(	IN UINTN	Address,
		IN UINT8	AndData,
		IN UINT8	OrData )

Definition at line 393 of file UserMisc.c.

MmioBitFieldAnd16()

UINT16 EFIAPI MmioBitFieldAnd16	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT16	AndData )

Definition at line 404 of file UserMisc.c.

MmioBitFieldAnd32()

UINT32 EFIAPI MmioBitFieldAnd32	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT32	AndData )

Definition at line 416 of file UserMisc.c.

MmioBitFieldAnd8()

UINT8 EFIAPI MmioBitFieldAnd8	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT8	AndData )

Definition at line 428 of file UserMisc.c.

MmioBitFieldAndThenOr16()

UINT16 EFIAPI MmioBitFieldAndThenOr16	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT16	AndData,
		IN UINT16	OrData )

Definition at line 440 of file UserMisc.c.

MmioBitFieldAndThenOr32()

UINT32 EFIAPI MmioBitFieldAndThenOr32	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT32	AndData,
		IN UINT32	OrData )

Definition at line 453 of file UserMisc.c.

MmioBitFieldAndThenOr8()

UINT8 EFIAPI MmioBitFieldAndThenOr8	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT8	AndData,
		IN UINT8	OrData )

Definition at line 466 of file UserMisc.c.

MmioBitFieldOr16()

UINT16 EFIAPI MmioBitFieldOr16	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT16	OrData )

Definition at line 479 of file UserMisc.c.

MmioBitFieldOr32()

UINT32 EFIAPI MmioBitFieldOr32	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT32	OrData )

Definition at line 491 of file UserMisc.c.

MmioBitFieldOr8()

UINT8 EFIAPI MmioBitFieldOr8	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT8	OrData )

Definition at line 503 of file UserMisc.c.

MmioBitFieldRead16()

UINT16 EFIAPI MmioBitFieldRead16	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit )

Definition at line 515 of file UserMisc.c.

MmioBitFieldRead32()

UINT32 EFIAPI MmioBitFieldRead32	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit )

Definition at line 526 of file UserMisc.c.

MmioBitFieldRead8()

UINT8 EFIAPI MmioBitFieldRead8	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit )

Definition at line 537 of file UserMisc.c.

MmioBitFieldWrite16()

UINT16 EFIAPI MmioBitFieldWrite16	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT16	Value )

Definition at line 548 of file UserMisc.c.

MmioBitFieldWrite32()

UINT32 EFIAPI MmioBitFieldWrite32	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT32	Value )

Definition at line 560 of file UserMisc.c.

MmioBitFieldWrite8()

UINT8 EFIAPI MmioBitFieldWrite8	(	IN UINTN	Address,
		IN UINTN	StartBit,
		IN UINTN	EndBit,
		IN UINT8	Value )

Definition at line 572 of file UserMisc.c.

MmioOr16()

UINT16 EFIAPI MmioOr16	(	IN UINTN	Address,
		IN UINT16	OrData )

Definition at line 584 of file UserMisc.c.

MmioOr32()

UINT32 EFIAPI MmioOr32	(	IN UINTN	Address,
		IN UINT32	OrData )

Definition at line 594 of file UserMisc.c.

MmioOr8()

UINT8 EFIAPI MmioOr8	(	IN UINTN	Address,
		IN UINT8	OrData )

Definition at line 604 of file UserMisc.c.

MmioRead16()

UINT16 EFIAPI MmioRead16

(

IN UINTN

Address

)

Definition at line 614 of file UserMisc.c.

MmioRead32()

UINT32 EFIAPI MmioRead32

(

IN UINTN

Address

)

Definition at line 623 of file UserMisc.c.

MmioRead8()

UINT8 EFIAPI MmioRead8

(

IN UINTN

Address

)

Definition at line 632 of file UserMisc.c.

MmioWrite16()

UINT16 EFIAPI MmioWrite16	(	IN UINTN	Address,
		IN UINT16	Value )

Definition at line 641 of file UserMisc.c.

MmioWrite32()

UINT32 EFIAPI MmioWrite32	(	IN UINTN	Address,
		IN UINT32	Value )

Definition at line 651 of file UserMisc.c.

MmioWrite8()

UINT8 EFIAPI MmioWrite8	(	IN UINTN	Address,
		IN UINT8	Value )

Definition at line 661 of file UserMisc.c.

OcLocateRootVolume()

EFI_FILE_PROTOCOL * OcLocateRootVolume	(	IN EFI_HANDLE DeviceHandle	OPTIONAL,
		IN EFI_DEVICE_PATH_PROTOCOL *FilePath	OPTIONAL )

Locate root volume from Device handle or path.

Parameters

[in]	DeviceHandle	Device handle.
[in]	FilePath	Device path.

Return values

opened

file protocol or NULL.

Definition at line 688 of file UserMisc.c.