OcAcpiLib.c File Reference

#include <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/OcDebugLogLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/OcMemoryLib.h>
#include <Library/OcMiscLib.h>
#include <Library/PciLib.h>
#include <IndustryStandard/AcpiAml.h>
#include <IndustryStandard/Acpi.h>
#include <Guid/Acpi.h>
#include <Library/OcAcpiLib.h>

Go to the source code of this file.

Macros
#define	PCI_VENDOR_NVIDIA   0x10DE

Functions
STATIC EFI_ACPI_6_2_ROOT_SYSTEM_DESCRIPTION_POINTER *	AcpiFindLegacyRsdp (VOID)
STATIC EFI_ACPI_6_2_ROOT_SYSTEM_DESCRIPTION_POINTER *	AcpiFindRsdp (VOID)
STATIC UINT32	AcpiReadSignature (IN CONST EFI_ACPI_COMMON_HEADER *Common)
STATIC UINT64	AcpiReadOemTableId (IN CONST EFI_ACPI_COMMON_HEADER *Common)
STATIC BOOLEAN	AcpiReadName (IN CONST UINT8 *Data, OUT CHAR8 *Name, OUT UINT32 *NameOffset OPTIONAL)
STATIC UINT32	AcpiFindName (IN CONST UINT8 *Data, IN UINT32 Length, IN CONST CHAR8 *Name)
STATIC VOID	AcpiRefreshTableChecksum (IN EFI_ACPI_DESCRIPTION_HEADER *Table)
STATIC BOOLEAN	AcpiIsTableWritable (IN EFI_ACPI_COMMON_HEADER *Table)
STATIC EFI_STATUS	AcpiAllocateCopyTable (IN EFI_ACPI_COMMON_HEADER *Table, IN UINT32 NewSize OPTIONAL, OUT EFI_ACPI_COMMON_HEADER **NewTable)
STATIC EFI_STATUS	AcpiAllocateCopyFadt (IN OUT OC_ACPI_CONTEXT *Context, IN UINT32 NewSize)
STATIC EFI_STATUS	AcpiAllocateCopyDsdt (IN OUT OC_ACPI_CONTEXT *Context, IN EFI_ACPI_DESCRIPTION_HEADER *NewDsdt OPTIONAL)
STATIC EFI_STATUS	AcpiLoadTableRegions (IN OUT OC_ACPI_CONTEXT *Context, IN EFI_ACPI_COMMON_HEADER *Table)
STATIC VOID	AcpiRelocateTableRegions (IN OUT OC_ACPI_CONTEXT *Context, IN EFI_ACPI_COMMON_HEADER *Table)
STATIC BOOLEAN	AcpiNormalizeTableHeaders (IN EFI_ACPI_DESCRIPTION_HEADER *Table)
STATIC BOOLEAN	AcpiNormalizeRsdp (IN EFI_ACPI_6_2_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp, IN BOOLEAN HasXsdt)
EFI_STATUS	AcpiInitContext (IN OUT OC_ACPI_CONTEXT *Context)
VOID	AcpiFreeContext (IN OUT OC_ACPI_CONTEXT *Context)
EFI_STATUS	AcpiApplyContext (IN OUT OC_ACPI_CONTEXT *Context)
EFI_STATUS	AcpiDeleteTable (IN OUT OC_ACPI_CONTEXT *Context, IN UINT32 Signature, IN UINT32 Length, IN UINT64 OemTableId, IN BOOLEAN All)
EFI_STATUS	AcpiInsertTable (IN OUT OC_ACPI_CONTEXT *Context, IN CONST UINT8 *Data, IN UINT32 Length)
VOID	AcpiNormalizeHeaders (IN OUT OC_ACPI_CONTEXT *Context)
EFI_STATUS	AcpiApplyPatch (IN OUT OC_ACPI_CONTEXT *Context, IN OC_ACPI_PATCH *Patch)
EFI_STATUS	AcpiLoadRegions (IN OUT OC_ACPI_CONTEXT *Context)
VOID	AcpiRelocateRegions (IN OUT OC_ACPI_CONTEXT *Context)
EFI_STATUS	AcpiFadtEnableReset (IN OUT OC_ACPI_CONTEXT *Context)
VOID	AcpiResetLogoStatus (IN OUT OC_ACPI_CONTEXT *Context)
VOID	AcpiSyncTableIds (IN OUT OC_ACPI_CONTEXT *Context)
VOID	AcpiHandleHardwareSignature (IN OUT OC_ACPI_CONTEXT *Context, IN BOOLEAN Reset)

Detailed Description

Copyright (C) 2016, 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 OcAcpiLib.c.

Macro Definition Documentation

PCI_VENDOR_NVIDIA

#define PCI_VENDOR_NVIDIA   0x10DE

Definition at line 33 of file OcAcpiLib.c.

Function Documentation

AcpiAllocateCopyDsdt()

STATIC EFI_STATUS AcpiAllocateCopyDsdt	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN EFI_ACPI_DESCRIPTION_HEADER *NewDsdt	OPTIONAL )

Definition at line 396 of file OcAcpiLib.c.

AcpiAllocateCopyFadt()

STATIC EFI_STATUS AcpiAllocateCopyFadt	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN UINT32	NewSize )

Definition at line 362 of file OcAcpiLib.c.

AcpiAllocateCopyTable()

STATIC EFI_STATUS AcpiAllocateCopyTable	(	IN EFI_ACPI_COMMON_HEADER *	Table,
		IN UINT32 NewSize	OPTIONAL,
		OUT EFI_ACPI_COMMON_HEADER **	NewTable )

Definition at line 311 of file OcAcpiLib.c.

AcpiApplyContext()

EFI_STATUS AcpiApplyContext

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Apply ACPI context to this system.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 900 of file OcAcpiLib.c.

AcpiApplyPatch()

EFI_STATUS AcpiApplyPatch	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN OC_ACPI_PATCH *	Patch )

Patch ACPI tables.

Parameters

[in,out]	Context	ACPI library context.
[in]	Patch	ACPI patch.

Definition at line 1247 of file OcAcpiLib.c.

AcpiDeleteTable()

EFI_STATUS AcpiDeleteTable	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN UINT32	Signature,
		IN UINT32	Length,
		IN UINT64	OemTableId,
		IN BOOLEAN	All )

Delete one ACPI table.

Parameters

[in,out]	Context	ACPI library context.
[in]	Signature	Table signature or 0.
[in]	Length	Table length or 0.
[in]	OemTableId	Table Id or 0.
[in]	All	Delete all tables or first matched.

Definition at line 1015 of file OcAcpiLib.c.

AcpiFadtEnableReset()

EFI_STATUS AcpiFadtEnableReset

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Upgrade FADT to support reset register needed on very old legacy hardware.

Parameters

[in,out]

Context

ACPI library context.

Returns

EFI_SUCCESS if successful or not needed.

Definition at line 1510 of file OcAcpiLib.c.

AcpiFindLegacyRsdp()

STATIC EFI_ACPI_6_2_ROOT_SYSTEM_DESCRIPTION_POINTER * AcpiFindLegacyRsdp

(

VOID

)

Find RSD_PTR Table In Legacy Area

Return values

EFI_ACPI_6_0_ROOT_SYSTEM_DESCRIPTION_POINTER

Definition at line 42 of file OcAcpiLib.c.

AcpiFindName()

STATIC UINT32 AcpiFindName	(	IN CONST UINT8 *	Data,
		IN UINT32	Length,
		IN CONST CHAR8 *	Name )

Find ACPI name declaration in data.

Parameters

Data	ACPI table data.
Length	ACPI table data length.
Name	ACPI name of at least OC_ACPI_NAME_SIZE bytes.

Returns

offset > 0 for valid names.

Definition at line 241 of file OcAcpiLib.c.

AcpiFindRsdp()

STATIC EFI_ACPI_6_2_ROOT_SYSTEM_DESCRIPTION_POINTER * AcpiFindRsdp

(

VOID

)

Find RSD_PTR Table From System Configuration Tables

Return values

EFI_ACPI_6_0_ROOT_SYSTEM_DESCRIPTION_POINTER

Definition at line 87 of file OcAcpiLib.c.

AcpiFreeContext()

VOID AcpiFreeContext

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Free ACPI context dynamic resources.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 884 of file OcAcpiLib.c.

AcpiHandleHardwareSignature()

VOID AcpiHandleHardwareSignature	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN BOOLEAN	Reset )

Log and reset FACS hardware signature.

Parameters

[in,out]	Context	ACPI library context.
[in]	Reset	Perform reset.

Definition at line 1700 of file OcAcpiLib.c.

AcpiInitContext()

EFI_STATUS AcpiInitContext

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Find ACPI System Tables for later table configuration.

Parameters

[in,out]

Context

ACPI library context.

Returns

EFI_SUCCESS when Rsdp and Xsdt or Rsdt are found.

Definition at line 738 of file OcAcpiLib.c.

AcpiInsertTable()

EFI_STATUS AcpiInsertTable	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN CONST UINT8 *	Data,
		IN UINT32	Length )

Install one ACPI table. For DSDT this performs table replacement.

Parameters

[in,out]	Context	ACPI library context.
[in]	Data	Table data.
[in]	Length	Table length.

Definition at line 1082 of file OcAcpiLib.c.

AcpiIsTableWritable()

STATIC BOOLEAN AcpiIsTableWritable

(

IN EFI_ACPI_COMMON_HEADER *

Table

)

Definition at line 292 of file OcAcpiLib.c.

AcpiLoadRegions()

EFI_STATUS AcpiLoadRegions

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Try to load ACPI regions.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 1421 of file OcAcpiLib.c.

AcpiLoadTableRegions()

STATIC EFI_STATUS AcpiLoadTableRegions	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN EFI_ACPI_COMMON_HEADER *	Table )

Load ACPI table regions.

Parameters

Context	ACPI library context.
Table	ACPI table.

Returns

EFI_SUCCESS unless memory allocation failure.

Definition at line 446 of file OcAcpiLib.c.

AcpiNormalizeHeaders()

VOID AcpiNormalizeHeaders

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Normalise ACPI headers to contain 7-bit ASCII.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 1164 of file OcAcpiLib.c.

AcpiNormalizeRsdp()

STATIC BOOLEAN AcpiNormalizeRsdp	(	IN EFI_ACPI_6_2_ROOT_SYSTEM_DESCRIPTION_POINTER *	Rsdp,
		IN BOOLEAN	HasXsdt )

Cleanup RSDP table from unprintable symbols. Reference: https://alextjam.es/debugging-appleacpiplatform/.

Parameters

Rsdp	RSDP table.
HasXsdt	RSDP has XSDT and is extended.

Definition at line 695 of file OcAcpiLib.c.

AcpiNormalizeTableHeaders()

STATIC BOOLEAN AcpiNormalizeTableHeaders

(

IN EFI_ACPI_DESCRIPTION_HEADER *

Table

)

Cleanup ACPI table from unprintable symbols. Reference: https://alextjam.es/debugging-appleacpiplatform/.

Parameters

Table

ACPI table.

Definition at line 629 of file OcAcpiLib.c.

AcpiReadName()

STATIC BOOLEAN AcpiReadName	(	IN CONST UINT8 *	Data,
		OUT CHAR8 *	Name,
		OUT UINT32 *NameOffset	OPTIONAL )

Extract and verify ACPI name from data.

Parameters

Data	Data of at least OC_ACPI_NAME_SIZE+1 bytes to read name from.
Name	Name buffer of at least OC_ACPI_NAME_SIZE+1 bytes.
NameOffset	Name offset from original data (1 if '\' and 0 otherwise).

Returns

TRUE for valid names.

Definition at line 196 of file OcAcpiLib.c.

AcpiReadOemTableId()

STATIC UINT64 AcpiReadOemTableId

(

IN CONST EFI_ACPI_COMMON_HEADER *

Common

)

Extract and verify ACPI OemTableId from common header.

Parameters

Common

ACPI common header.

Returns

OemTableId or 0.

Definition at line 174 of file OcAcpiLib.c.

AcpiReadSignature()

STATIC UINT32 AcpiReadSignature

(

IN CONST EFI_ACPI_COMMON_HEADER *

Common

)

Extract and verify ACPI signature from common header.

Parameters

Common

ACPI common header.

Returns

Signature.

Definition at line 145 of file OcAcpiLib.c.

AcpiRefreshTableChecksum()

STATIC VOID AcpiRefreshTableChecksum

(

IN EFI_ACPI_DESCRIPTION_HEADER *

Table

)

Definition at line 272 of file OcAcpiLib.c.

AcpiRelocateRegions()

VOID AcpiRelocateRegions

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Attempt to relocate ACPI regions based on loaded ones.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 1465 of file OcAcpiLib.c.

AcpiRelocateTableRegions()

STATIC VOID AcpiRelocateTableRegions	(	IN OUT OC_ACPI_CONTEXT *	Context,
		IN EFI_ACPI_COMMON_HEADER *	Table )

Relocate ACPI table regions.

Parameters

Context	ACPI library context.
Table	ACPI table.

Definition at line 534 of file OcAcpiLib.c.

AcpiResetLogoStatus()

VOID AcpiResetLogoStatus

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Reset BGRT Displayed status.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 1596 of file OcAcpiLib.c.

AcpiSyncTableIds()

VOID AcpiSyncTableIds

(

IN OUT OC_ACPI_CONTEXT *

Context

)

Sync ACPI table identifiers with SLIC.

Parameters

[in,out]

Context

ACPI library context.

Definition at line 1640 of file OcAcpiLib.c.