xf86int10.h revision c0dfd29d0951fba6d2505a1a5fd79b2c1c32eccd
/*
* XFree86 int10 module
* execute BIOS int 10h calls in x86 real mode environment
* Copyright 1999 Egbert Eich
*/
#ifndef _XF86INT10_H
#define _XF86INT10_H
#include "xf86Pci.h"
#define SEG_OFF(x) ((x) & 0x0FFFF)
#define SET_BIOS_SCRATCH 0x1
#define RESTORE_BIOS_SCRATCH 0x2
/* int10 info structure */
typedef struct {
int entityIndex;
int scrnIndex;
char * BIOSScratch;
int Flags;
int num;
int ax;
int bx;
int cx;
int dx;
int si;
int di;
int es;
int bp;
int flags;
int stackseg;
struct pci_device *dev;
typedef struct _int10Mem {
} int10MemRec, *int10MemPtr;
typedef struct {
} legacyVGARec, *legacyVGAPtr;
/* OS dependent functions */
/* x86 executor related functions */
#ifdef _INT10_PRIVATE
#define I_S_DEFAULT_INT_VECT 0xFF065
#define SYS_SIZE 0x100000
#define SYS_BIOS 0xF0000
#if 1
#define BIOS_SIZE 0x10000
#else /* a bug in DGUX requires this - let's try it */
#endif
#define LOW_PAGE_SIZE 0x600
#define V_RAM 0xA0000
#define VRAM_SIZE 0x20000
#define V_BIOS_SIZE 0x10000
#define V_BIOS 0xC0000
#define BIOS_SCRATCH_OFF 0x449
#define BIOS_SCRATCH_END 0x466
#define X86_TF_MASK 0x00000100
#define X86_IF_MASK 0x00000200
#define X86_IOPL_MASK 0x00003000
#define X86_NT_MASK 0x00004000
#define X86_VM_MASK 0x00020000
#define X86_AC_MASK 0x00040000
#define X86_ID_MASK 0x00200000
/* OS dependent functions */
/* x86 executor related functions */
/* int.c */
extern xf86Int10InfoPtr Int10Current;
/* helper_exec.c */
#if defined (_PC)
#endif
/* helper_mem.c */
int setup_system_bios(void *base_addr);
const unsigned char* vbiosMem);
#ifdef DEBUG
#endif
#endif /* _INT10_PRIVATE */
#endif /* _XF86INT10_H */