VirtualBiosDisk Class Reference

Virtual Bios disk routines. More...

Inheritance diagram for VirtualBiosDisk:

Public Member Functions
bool	receive (MessageDiskCommit &msg)
	Get disk commit.
bool	receive (MessageTimeout &msg)
	Get disk timeout.
bool	receive (MessageBios &msg)
	VirtualBiosDisk (Motherboard &mb)
Public Member Functions inherited from StaticReceiver< VirtualBiosDisk >
	StaticReceiver ()
Public Member Functions inherited from Device
void	debug_dump ()
	Device (const char *debug_name)

Private Types
enum	{   MAX_DISKS = 8, MAGIC_DISK_TAG = ~0u, FREQ = 1000, DISK_TIMEOUT = 5000,   DISK_COMPLETION_CODE = 0x79, DISK_COUNT = 0x75, WAKEUP_IRQ = 1 }

Private Member Functions
void	init_params ()
bool	check_drive (MessageBios &msg, unsigned &disk_nr)
bool	disk_op (MessageBios &msg, unsigned disk_nr, unsigned long long blocknr, unsigned long address, unsigned count, bool write)
	Read/Write disk helper.
bool	boot_from_disk (MessageBios &msg)
bool	handle_int13 (MessageBios &msg)
	Disk INT.

Private Attributes
unsigned	_timer
DiskParameter	_disk_params [MAX_DISKS]
unsigned	_disk_count
bool	_diskop_inprogress

Additional Inherited Members
Public Types inherited from BiosCommon
enum	{ RESET_VECTOR = 0x100, MAX_VECTOR }
Static Public Member Functions inherited from StaticReceiver< VirtualBiosDisk >
static bool	receive_static (Device *o, M &msg)
Static Public Member Functions inherited from DiscoveryHelper< BiosCommon >
static bool	discover (Device *o, MessageDiscovery &msg)
Public Attributes inherited from BiosCommon
Motherboard &	_mb
Protected Member Functions inherited from BiosCommon
void	write_bda (unsigned short offset, unsigned value, unsigned len)
	Write bios data helper.
unsigned	read_bda (unsigned offset)
	Read bios data helper.
bool	jmp_int (MessageBios &msg, unsigned char number)
	Jump to another realmode INT handler.
bool	jmp_hlt (MessageBios &msg)
void	error (MessageBios &msg, unsigned char errorcode)
	Set the usual error indication.
void	outb (unsigned short port, unsigned value)
	Out to IO-port.
	BiosCommon (Motherboard &mb)

Detailed Description

Virtual Bios disk routines.

Features: int13, boot from disk Missing: multiple disks

Member Enumeration Documentation

anonymous enum

private

Enumerator:

MAX_DISKS
MAGIC_DISK_TAG
FREQ
DISK_TIMEOUT
DISK_COMPLETION_CODE
DISK_COUNT
WAKEUP_IRQ

Constructor & Destructor Documentation

VirtualBiosDisk::VirtualBiosDisk ( Motherboard &  mb )

inline

Member Function Documentation

bool VirtualBiosDisk::boot_from_disk ( MessageBios &  msg )

inlineprivate

bool VirtualBiosDisk::check_drive ( MessageBios &  msg, unsigned &  disk_nr  )

inlineprivate

bool VirtualBiosDisk::disk_op ( MessageBios &  msg, unsigned  disk_nr, unsigned long long  blocknr, unsigned long  address, unsigned  count, bool  write  )

inlineprivate

Read/Write disk helper.

bool VirtualBiosDisk::handle_int13 ( MessageBios &  msg )

inlineprivate

Disk INT.

void VirtualBiosDisk::init_params ( )

inlineprivate

bool VirtualBiosDisk::receive ( MessageDiskCommit &  msg )

inline

Get disk commit.

bool VirtualBiosDisk::receive ( MessageTimeout &  msg )

inline

Get disk timeout.

bool VirtualBiosDisk::receive ( MessageBios &  msg )

inline

Member Data Documentation

unsigned VirtualBiosDisk::_disk_count

private

DiskParameter VirtualBiosDisk::_disk_params[MAX_DISKS]

private

bool VirtualBiosDisk::_diskop_inprogress

private

unsigned VirtualBiosDisk::_timer

private

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The documentation for this class was generated from the following file:

• vancouver/executor/vbios_disk.cc