#include <pshpack1.h>
#include <poppack.h>

Include dependency graph for pcbios.h:

Classes
struct	BIOS_MEMORY_MAP

struct	_ACPI_BIOS_DATA

struct	_DOCKING_STATE_INFORMATION

struct	DWORDREGS

struct	WORDREGS

struct	BYTEREGS

union	REGS

Macros
#define	MAX_BIOS_DESCRIPTORS 80

#define	INT386_SUCCESS(regs) ((regs.x.eflags & EFLAGS_CF) == 0)

#define	REGS_EAX 0

#define	REGS_EBX 4

#define	REGS_ECX 8

#define	REGS_EDX 12

#define	REGS_ESI 16

#define	REGS_EDI 20

#define	REGS_EBP 24

#define	REGS_DS 28

#define	REGS_ES 30

#define	REGS_FS 32

#define	REGS_GS 34

#define	REGS_EFLAGS 36

#define	REGS_SIZE 40

Typedefs
typedef struct BIOS_MEMORY_MAP *	PBIOS_MEMORY_MAP

typedef struct _ACPI_BIOS_DATA	ACPI_BIOS_DATA

typedef struct _ACPI_BIOS_DATA *	PACPI_BIOS_DATA

typedef struct _DOCKING_STATE_INFORMATION	DOCKING_STATE_INFORMATION

typedef struct _DOCKING_STATE_INFORMATION *	PDOCKING_STATE_INFORMATION

Enumerations
enum	BIOS_MEMORY_TYPE { BiosMemoryUsable = 1 , BiosMemoryBootLoader , BiosMemoryBootStrap , BiosMemoryReserved , BiosMemoryUsable = 1 , BiosMemoryReserved = 2 , BiosMemoryAcpiReclaim = 3 , BiosMemoryAcpiNvs = 4 , BiosMemoryUnusable = 5 , BiosMemoryDisabled = 6 , BiosMemoryPersistent = 7 , BiosMemoryUndefined08 = 8 , BiosMemoryUndefined09 = 9 , BiosMemoryUndefined10 = 10 , BiosMemoryUndefined11 = 11 , BiosMemoryOemDefined12 = 12 }

Functions
	C_ASSERT (FIELD_OFFSET(BIOS_MEMORY_MAP, ExtendedAttributes)==20)

	C_ASSERT (sizeof(BIOS_MEMORY_MAP)==24)

int __cdecl	Int386 (int ivec, REGS in, REGS out)

VOID __cdecl	ChainLoadBiosBootSectorCode (IN UCHAR BootDrive OPTIONAL, IN ULONG BootPartition OPTIONAL)

DECLSPEC_NORETURN VOID __cdecl	Relocator16Boot (IN REGS *In, IN USHORT StackSegment, IN USHORT StackPointer, IN USHORT CodeSegment, IN USHORT CodePointer)

DECLSPEC_NORETURN VOID __cdecl	Reboot (VOID)

VOID	DetectHardware (VOID)

Macro Definition Documentation

◆ INT386_SUCCESS

#define INT386_SUCCESS ( regs ) ((regs.x.eflags & EFLAGS_CF) == 0)

Definition at line 181 of file pcbios.h.

◆ MAX_BIOS_DESCRIPTORS

#define MAX_BIOS_DESCRIPTORS 80

Definition at line 12 of file pcbios.h.

◆ REGS_DS

#define REGS_DS 28

Definition at line 210 of file pcbios.h.

◆ REGS_EAX

#define REGS_EAX 0

Definition at line 203 of file pcbios.h.

◆ REGS_EBP

#define REGS_EBP 24

Definition at line 209 of file pcbios.h.

◆ REGS_EBX

#define REGS_EBX 4

Definition at line 204 of file pcbios.h.

◆ REGS_ECX

#define REGS_ECX 8

Definition at line 205 of file pcbios.h.

◆ REGS_EDI

#define REGS_EDI 20

Definition at line 208 of file pcbios.h.

◆ REGS_EDX

#define REGS_EDX 12

Definition at line 206 of file pcbios.h.

◆ REGS_EFLAGS

#define REGS_EFLAGS 36

Definition at line 214 of file pcbios.h.

◆ REGS_ES

#define REGS_ES 30

Definition at line 211 of file pcbios.h.

◆ REGS_ESI

#define REGS_ESI 16

Definition at line 207 of file pcbios.h.

◆ REGS_FS

#define REGS_FS 32

Definition at line 212 of file pcbios.h.

◆ REGS_GS

#define REGS_GS 34

Definition at line 213 of file pcbios.h.

◆ REGS_SIZE

#define REGS_SIZE 40

Definition at line 215 of file pcbios.h.

Typedef Documentation

◆ ACPI_BIOS_DATA

typedef struct _ACPI_BIOS_DATA ACPI_BIOS_DATA

◆ DOCKING_STATE_INFORMATION

typedef struct _DOCKING_STATE_INFORMATION DOCKING_STATE_INFORMATION

◆ PACPI_BIOS_DATA

typedef struct _ACPI_BIOS_DATA * PACPI_BIOS_DATA

◆ PBIOS_MEMORY_MAP

typedef struct BIOS_MEMORY_MAP * PBIOS_MEMORY_MAP

◆ PDOCKING_STATE_INFORMATION

typedef struct _DOCKING_STATE_INFORMATION * PDOCKING_STATE_INFORMATION

Enumeration Type Documentation

◆ BIOS_MEMORY_TYPE

enum BIOS_MEMORY_TYPE

Enumerator
BiosMemoryUsable
BiosMemoryBootLoader
BiosMemoryBootStrap
BiosMemoryReserved
BiosMemoryUsable
BiosMemoryReserved
BiosMemoryAcpiReclaim
BiosMemoryAcpiNvs
BiosMemoryUnusable
BiosMemoryDisabled
BiosMemoryPersistent
BiosMemoryUndefined08
BiosMemoryUndefined09
BiosMemoryUndefined10
BiosMemoryUndefined11
BiosMemoryOemDefined12

Definition at line 14 of file pcbios.h.

{
    // ACPI 1.0.
    BiosMemoryUsable        =  1,
    BiosMemoryReserved      =  2,
    BiosMemoryAcpiReclaim   =  3,
    BiosMemoryAcpiNvs       =  4,
    // ACPI 3.0.
    BiosMemoryUnusable      =  5,
    // ACPI 4.0.
    BiosMemoryDisabled      =  6,
    // ACPI 6.0.
    BiosMemoryPersistent    =  7,
    BiosMemoryUndefined08   =  8,
    BiosMemoryUndefined09   =  9,
    BiosMemoryUndefined10   = 10,
    BiosMemoryUndefined11   = 11,
    BiosMemoryOemDefined12  = 12
    // BiosMemoryUndefinedNN   = 13-0xEFFFFFFF
    // BiosMemoryOemDefinedNN  = 0xF0000000-0xFFFFFFFF
} BIOS_MEMORY_TYPE;

Function Documentation

◆ C_ASSERT() [1/2]

C_ASSERT ( FIELD_OFFSET(BIOS_MEMORY_MAP, ExtendedAttributes) = =20 )

◆ C_ASSERT() [2/2]

C_ASSERT ( sizeof(BIOS_MEMORY_MAP) = =24 )

◆ ChainLoadBiosBootSectorCode()

VOID __cdecl ChainLoadBiosBootSectorCode	(	IN UCHAR BootDrive	OPTIONAL,
		IN ULONG BootPartition	OPTIONAL
	)

Definition at line 1737 of file machpc.c.

{
    REGS Regs;
 
    RtlZeroMemory(&Regs, sizeof(Regs));
 
    /* Set the boot drive and the boot partition */
    Regs.b.dl = (UCHAR)(BootDrive ? BootDrive : FrldrBootDrive);
    Regs.b.dh = (UCHAR)(BootPartition ? BootPartition : FrldrBootPartition);
 
    /*
     * Don't stop the floppy drive motor when we are just booting a bootsector,
     * a drive, or a partition. If we were to stop the floppy motor, the BIOS
     * wouldn't be informed and if the next read is to a floppy then the BIOS
     * will still think the motor is on and this will result in a read error.
     */
    // DiskStopFloppyMotor();
 
    Relocator16Boot(&Regs,
                    /* Stack segment:pointer */
                    0x0000, 0x7C00,
                    /* Code segment:pointer */
                    0x0000, 0x7C00);
}

◆ DetectHardware()

VOID DetectHardware ( VOID )

◆ Int386()

int __cdecl Int386	(	int	ivec,
		REGS *	in,
		REGS *	out
	)

Referenced by BiosIsVesaDdcSupported(), BiosIsVesaSupported(), BiosVesaReadEdid(), DetectKeyboardPeripheral(), DiskGetExtendedDriveParameters(), DiskInt13ExtensionsSupported(), DiskResetController(), FindApmBios(), GetEbdaLocation(), GetExtendedMemoryConfiguration(), InitDriveGeometry(), InitFloppyDrive(), InitHardDrive(), InitScsiDrive(), Pc98ArchTest(), Pc98Beep(), Pc98ConsGetCh(), Pc98ConsKbHit(), Pc98DiskReadLogicalSectorsCHS(), Pc98DiskReadLogicalSectorsLBA(), Pc98GetTime(), Pc98VideoInit(), Pc98VideoPrepareForReactOS(), PcConsGetCh(), PcConsKbHit(), PcConsPutChar(), PcDiskReadLogicalSectorsCHS(), PcDiskReadLogicalSectorsLBA(), PcFindPciBios(), PcGetExtendedBIOSData(), PcGetTime(), PcHwIdle(), PcMemGetBiosMemoryMap(), PcMemGetConventionalMemorySize(), PcVideoDefineCursor(), PcVideoDetectVideoCard(), PcVideoDisableCursorEmulation(), PcVideoGetBiosMode(), PcVideoGetFontsFromFirmware(), PcVideoSelectAlternatePrintScreen(), PcVideoSetBiosMode(), PcVideoSetBiosVesaMode(), PcVideoSetBlinkBit(), PcVideoSetFont8x14(), PcVideoSetFont8x8(), PcVideoSetMemoryBank(), PcVideoSetTextCursorPosition(), PcVideoSetVerticalResolution(), PcVideoVesaGetCurrentSVGAMode(), and PcVideoVesaGetSVGAModeInformation().

◆ Reboot()

DECLSPEC_NORETURN VOID __cdecl Reboot ( VOID )

Definition at line 99 of file uefildr.c.

{
    //TODO: Replace with a true firmware reboot eventually
    WARN("Something has gone wrong - halting FreeLoader\n");
    for (;;)
    {
        NOTHING;
    }
}

Referenced by BootMain(), DoRebootCommand(), EfiEntry(), ExecuteLoaderCleanly(), KeBugCheckWithTf(), and RunLoader().

◆ Relocator16Boot()

DECLSPEC_NORETURN VOID __cdecl Relocator16Boot	(	IN REGS *	In,
		IN USHORT	StackSegment,
		IN USHORT	StackPointer,
		IN USHORT	CodeSegment,
		IN USHORT	CodePointer
	)

Referenced by ChainLoadBiosBootSectorCode().

Classes

Macros

Typedefs

Enumerations

Functions