x11include/xorg-server-1.3.0.0/xf86int10.h

	xf86int10.h revision deb4998ba50060c48cce222fd18a8eed053918d7
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster/*
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *                   XFree86 int10 module
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *   execute BIOS int 10h calls in x86 real mode environment
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster *                 Copyright 1999 Egbert Eich
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#ifndef _XF86INT10_H
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#define _XF86INT10_H
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#include <X11/Xmd.h>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#include <X11/Xdefs.h>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#include "xf86Pci.h"
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#define SEG_ADDR(x) (((x) >> 4) & 0x00F000)
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#define SEG_OFF(x) ((x) & 0x0FFFF)
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#define SET_BIOS_SCRATCH     0x1
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#define RESTORE_BIOS_SCRATCH 0x2
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster/* int10 info structure */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostertypedef struct {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int entityIndex;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int scrnIndex;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    pointer cpuRegs;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD16  BIOSseg;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD16  inb40time;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    char * BIOSScratch;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int Flags;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    pointer private;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    struct _int10Mem* mem;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int num;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int ax;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int bx;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int cx;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int dx;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int si;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int di;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int es;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int bp;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int flags;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int stackseg;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    PCITAG Tag;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    IOADDRESS ioBase;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster} xf86Int10InfoRec, *xf86Int10InfoPtr;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostertypedef struct _int10Mem {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD8(*rb)(xf86Int10InfoPtr, int);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD16(*rw)(xf86Int10InfoPtr, int);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD32(*rl)(xf86Int10InfoPtr, int);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    void(*wb)(xf86Int10InfoPtr, int, CARD8);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    void(*ww)(xf86Int10InfoPtr, int, CARD16);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    void(*wl)(xf86Int10InfoPtr, int, CARD32);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster} int10MemRec, *int10MemPtr;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostertypedef struct {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD8 save_msr;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD8 save_pos102;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD8 save_vse;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    CARD8 save_46e8;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster} legacyVGARec, *legacyVGAPtr;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostertypedef struct {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    BusType bus;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    union {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    struct {
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        int bus;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        int dev;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster        int func;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    } pci;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    int legacy;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster    } location;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster} xf86int10BiosLocation, *xf86int10BiosLocationPtr;
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster/* OS dependent functions */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterxf86Int10InfoPtr xf86InitInt10(int entityIndex);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterxf86Int10InfoPtr xf86ExtendedInitInt10(int entityIndex, int Flags);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostervoid xf86FreeInt10(xf86Int10InfoPtr pInt);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostervoid *xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num, int *off);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostervoid xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterpointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster/* x86 executor related functions */
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostervoid xf86ExecX86int10(xf86Int10InfoPtr pInt);
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster#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 */
#define BIOS_SIZE (0x10000 - 1)
#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 BIOS_SCRATCH_LEN (BIOS_SCRATCH_END - BIOS_SCRATCH_OFF + 1)
#define HIGH_MEM V_BIOS
#define HIGH_MEM_SIZE (SYS_BIOS - HIGH_MEM)
#define SEG_ADR(type, seg, reg)  type((seg << 4) + (X86_##reg))
#define SEG_EADR(type, seg, reg) type((seg << 4) + (X86_E##reg))

#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_VIF_MASK        0x00080000  /* virtual interrupt flag */
#define X86_VIP_MASK        0x00100000  /* virtual interrupt pending */
#define X86_ID_MASK     0x00200000

#define MEM_RB(name, addr)      (*name->mem->rb)(name, addr)
#define MEM_RW(name, addr)      (*name->mem->rw)(name, addr)
#define MEM_RL(name, addr)      (*name->mem->rl)(name, addr)
#define MEM_WB(name, addr, val) (*name->mem->wb)(name, addr, val)
#define MEM_WW(name, addr, val) (*name->mem->ww)(name, addr, val)
#define MEM_WL(name, addr, val) (*name->mem->wl)(name, addr, val)

/* OS dependent functions */
Bool MapCurrentInt10(xf86Int10InfoPtr pInt);
/* x86 executor related functions */
Bool xf86Int10ExecSetup(xf86Int10InfoPtr pInt);

/* int.c */
extern xf86Int10InfoPtr Int10Current;
int int_handler(xf86Int10InfoPtr pInt);

/* helper_exec.c */
int setup_int(xf86Int10InfoPtr pInt);
void finish_int(xf86Int10InfoPtr, int sig);
CARD32 getIntVect(xf86Int10InfoPtr pInt, int num);
void pushw(xf86Int10InfoPtr pInt, CARD16 val);
int run_bios_int(int num, xf86Int10InfoPtr pInt);
void dump_code(xf86Int10InfoPtr pInt);
void dump_registers(xf86Int10InfoPtr pInt);
void stack_trace(xf86Int10InfoPtr pInt);
xf86Int10InfoPtr getInt10Rec(int entityIndex);
CARD8 bios_checksum(const CARD8 *start, int size);
void LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
void UnlockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
#if defined (_PC)
void xf86Int10SaveRestoreBIOSVars(xf86Int10InfoPtr pInt, Bool save);
#endif
int port_rep_inb(xf86Int10InfoPtr pInt,
         CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_inw(xf86Int10InfoPtr pInt,
         CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_inl(xf86Int10InfoPtr pInt,
         CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_outb(xf86Int10InfoPtr pInt,
          CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_outw(xf86Int10InfoPtr pInt,
          CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_outl(xf86Int10InfoPtr pInt,
          CARD16 port, CARD32 base, int d_f, CARD32 count);

CARD8 x_inb(CARD16 port);
CARD16 x_inw(CARD16 port);
void x_outb(CARD16 port, CARD8 val);
void x_outw(CARD16 port, CARD16 val);
CARD32 x_inl(CARD16 port);
void x_outl(CARD16 port, CARD32 val);

CARD8 Mem_rb(CARD32 addr);
CARD16 Mem_rw(CARD32 addr);
CARD32 Mem_rl(CARD32 addr);
void Mem_wb(CARD32 addr, CARD8 val);
void Mem_ww(CARD32 addr, CARD16 val);
void Mem_wl(CARD32 addr, CARD32 val);

/* helper_mem.c */
void setup_int_vect(xf86Int10InfoPtr pInt);
int setup_system_bios(void *base_addr);
void reset_int_vect(xf86Int10InfoPtr pInt);
void set_return_trap(xf86Int10InfoPtr pInt);
void * xf86HandleInt10Options(ScrnInfoPtr pScrn, int entityIndex);
Bool int10skip(const void* options);
Bool int10_check_bios(int scrnIndex, int codeSeg,
    const unsigned char* vbiosMem);
Bool initPrimary(const void* options);
void xf86int10ParseBiosLocation(const void* options,
                xf86int10BiosLocationPtr bios);
BusType xf86int10GetBiosLocationType(const xf86Int10InfoPtr pInt,
    const xf86int10BiosLocationPtr bios);
Bool xf86int10GetBiosSegment(xf86Int10InfoPtr pInt,
    const xf86int10BiosLocationPtr bios, void * base);
#ifdef DEBUG
void dprint(unsigned long start, unsigned long size);
#endif

/* pci.c */
int mapPciRom(int pciEntity, unsigned char *address);

#endif /* _INT10_PRIVATE */
#endif /* _XF86INT10_H */