i10_vbios.c File Reference

#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/stat.h>
#include <setjmp.h>
#include <sys/perm.h>
#include "v86bios.h"
#include "pci.h"
#include "AsmMacros.h"
#include "vbios.h"

Defines
#define	SIZE   0x100000
#define	VRAM_START   0xA0000
#define	VRAM_SIZE   0x1FFFF
#define	V_BIOS_SIZE   0x1FFFF
#define	BIOS_START   0x7C00
Functions
void	log_err (char *format,...) __attribute__((format(printf
static int	int10_bios_ok (void)
static int	map (void)
static void	unmap (void)
static int	map_vram (hd_data_t *hd_data)
static void	unmap_vram (void)
static int	copy_vbios (hd_data_t *hd_data)
static int	copy_bios_ram (hd_data_t *hd_data)
static int	setup_system_bios (hd_data_t *hd_data)
static void	setup_int_vect (void)
static int	chksum (CARD8 *start)
void	loadCodeToMem (unsigned char *ptr, CARD8 *code)
static void	sigsegv_handler (int)
int	InitInt10 (hd_data_t *hd_data, int pci_cfg_method)
void	FreeInt10 ()
int	CallInt10 (int *ax, int *bx, int *cx, unsigned char *buf, int len, int cpuemu)
Variables
static CARD8	code [] = { 0xcd, 0x10, 0xf4 }
static int	vram_mapped = 0
static int	int10inited = 0
static sigjmp_buf	longjmp_buf

---

Define Documentation

#define BIOS_START   0x7C00

Referenced by CallInt10(), and map().

#define SIZE   0x100000

Referenced by map(), and unmap().

#define V_BIOS_SIZE   0x1FFFF

#define VRAM_SIZE   0x1FFFF

Referenced by map_vram(), and unmap_vram().

#define VRAM_START   0xA0000

Referenced by map_vram(), and unmap_vram().

---

Function Documentation

int CallInt10	(	int *	ax,
		int *	bx,
		int *	cx,
		unsigned char *	buf,
		int	len,
		int	cpuemu
	)

References i86biosRegs::ax, BIOS_START, i86biosRegs::bx, i86biosRegs::cx, i86biosRegs::di, do_x86(), i86biosRegs::dx, i86biosRegs::es, loadCodeToMem(), log_err(), sigsegv_handler(), and void().

Referenced by get_vbe_info(), and read_vbe_info().

int chksum

(

CARD8 *

start

)

[static]

References log_err(), and val.

Referenced by copy_vbios().

static int copy_bios_ram

(

hd_data_t *

hd_data

)

[static]

References hd_read_mmap(), and MEM_FILE.

Referenced by InitInt10().

int copy_vbios

(

hd_data_t *

hd_data

)

[static]

References chksum(), hd_data_t::flag_struct::cpuemu, hd_data_t::flags, hd_read_mmap(), log_err(), MEM_FILE, hd_data_t::flag_struct::nobioscrc, and V_BIOS.

Referenced by InitInt10().

void FreeInt10

(

void

)

References unmap(), and unmap_vram().

Referenced by get_vbe_info().

int InitInt10	(	hd_data_t *	hd_data,
		int	pci_cfg_method
	)

References pciStructRec::active, hd_data_t::flag_struct::biosvram, copy_bios_ram(), copy_vbios(), CurrentPci, hd_data_t::flags, int10_bios_ok(), map(), map_vram(), pciStructRec::next, scan_pci(), setup_int_vect(), setup_io(), setup_system_bios(), and unmap().

Referenced by get_vbe_info().

int int10_bios_ok

(

void

)

[static]

References regs86::cs, and log_err().

Referenced by InitInt10().

void loadCodeToMem	(	unsigned char *	ptr,
		CARD8 *	code
	)

Referenced by CallInt10(), and map().

void log_err	(	char *	format,
			...
	)

int map

(

void

)

[static]

References BIOS_START, loadCodeToMem(), and SIZE.

Referenced by InitInt10().

int map_vram

(

hd_data_t *

hd_data

)

[static]

References log_err(), MEM_FILE, VRAM_SIZE, and VRAM_START.

Referenced by InitInt10().

static void setup_int_vect

(

void

)

[static]

References regs86::cs.

Referenced by InitInt10().

static int setup_system_bios

(

hd_data_t *

hd_data

)

[static]

Referenced by InitInt10().

void sigsegv_handler

(

int

num

)

[static]

Referenced by CallInt10().

void unmap

(

void

)

[static]

References SIZE.

Referenced by FreeInt10(), and InitInt10().

void unmap_vram

(

void

)

[static]

References VRAM_SIZE, and VRAM_START.

Referenced by FreeInt10().

---

Variable Documentation

CARD8 code[] = { 0xcd, 0x10, 0xf4 } [static]

Referenced by do_ht().

int int10inited = 0 [static]

sigjmp_buf longjmp_buf [static]

int vram_mapped = 0 [static]