199 lines
5.9 KiB
C
199 lines
5.9 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/xf86int10.h,v 1.23 2002/04/04 14:05:51 eich Exp $ */
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/*
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* XFree86 int10 module
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* execute BIOS int 10h calls in x86 real mode environment
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* Copyright 1999 Egbert Eich
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*/
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#ifndef _XF86INT10_H
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#define _XF86INT10_H
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#include "Xmd.h"
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#include "Xdefs.h"
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#include "xf86Pci.h"
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#define SEG_ADDR(x) (((x) >> 4) & 0x00F000)
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#define SEG_OFF(x) ((x) & 0x0FFFF)
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#define SET_BIOS_SCRATCH 0x1
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#define RESTORE_BIOS_SCRATCH 0x2
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/* int10 info structure */
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typedef struct {
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int entityIndex;
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int scrnIndex;
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pointer cpuRegs;
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CARD16 BIOSseg;
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CARD16 inb40time;
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char * BIOSScratch;
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int Flags;
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pointer private;
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struct _int10Mem* mem;
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int num;
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int ax;
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int bx;
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int cx;
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int dx;
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int si;
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int di;
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int es;
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int bp;
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int flags;
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int stackseg;
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PCITAG Tag;
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IOADDRESS ioBase;
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} xf86Int10InfoRec, *xf86Int10InfoPtr;
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typedef struct _int10Mem {
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CARD8(*rb)(xf86Int10InfoPtr, int);
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CARD16(*rw)(xf86Int10InfoPtr, int);
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CARD32(*rl)(xf86Int10InfoPtr, int);
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void(*wb)(xf86Int10InfoPtr, int, CARD8);
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void(*ww)(xf86Int10InfoPtr, int, CARD16);
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void(*wl)(xf86Int10InfoPtr, int, CARD32);
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} int10MemRec, *int10MemPtr;
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typedef struct {
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CARD8 save_msr;
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CARD8 save_pos102;
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CARD8 save_vse;
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CARD8 save_46e8;
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} legacyVGARec, *legacyVGAPtr;
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typedef struct {
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BusType bus;
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union {
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struct {
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int bus;
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int dev;
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int func;
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} pci;
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int legacy;
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} location;
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} xf86int10BiosLocation, *xf86int10BiosLocationPtr;
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/* OS dependent functions */
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xf86Int10InfoPtr xf86InitInt10(int entityIndex);
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xf86Int10InfoPtr xf86ExtendedInitInt10(int entityIndex, int Flags);
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void xf86FreeInt10(xf86Int10InfoPtr pInt);
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void *xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num, int *off);
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void xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num);
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pointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr);
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/* x86 executor related functions */
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void xf86ExecX86int10(xf86Int10InfoPtr pInt);
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#ifdef _INT10_PRIVATE
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#define I_S_DEFAULT_INT_VECT 0xFF065
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#define SYS_SIZE 0x100000
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#define SYS_BIOS 0xF0000
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#if 1
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#define BIOS_SIZE 0x10000
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#else /* a bug in DGUX requires this - let's try it */
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#define BIOS_SIZE (0x10000 - 1)
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#endif
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#define LOW_PAGE_SIZE 0x600
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#define V_RAM 0xA0000
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#define VRAM_SIZE 0x20000
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#define V_BIOS_SIZE 0x10000
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#define V_BIOS 0xC0000
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#define BIOS_SCRATCH_OFF 0x449
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#define BIOS_SCRATCH_END 0x466
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#define BIOS_SCRATCH_LEN (BIOS_SCRATCH_END - BIOS_SCRATCH_OFF + 1)
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#define HIGH_MEM V_BIOS
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#define HIGH_MEM_SIZE (SYS_BIOS - HIGH_MEM)
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#define SEG_ADR(type, seg, reg) type((seg << 4) + (X86_##reg))
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#define SEG_EADR(type, seg, reg) type((seg << 4) + (X86_E##reg))
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#define X86_TF_MASK 0x00000100
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#define X86_IF_MASK 0x00000200
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#define X86_IOPL_MASK 0x00003000
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#define X86_NT_MASK 0x00004000
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#define X86_VM_MASK 0x00020000
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#define X86_AC_MASK 0x00040000
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#define X86_VIF_MASK 0x00080000 /* virtual interrupt flag */
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#define X86_VIP_MASK 0x00100000 /* virtual interrupt pending */
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#define X86_ID_MASK 0x00200000
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#define MEM_RB(name, addr) (*name->mem->rb)(name, addr)
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#define MEM_RW(name, addr) (*name->mem->rw)(name, addr)
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#define MEM_RL(name, addr) (*name->mem->rl)(name, addr)
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#define MEM_WB(name, addr, val) (*name->mem->wb)(name, addr, val)
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#define MEM_WW(name, addr, val) (*name->mem->ww)(name, addr, val)
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#define MEM_WL(name, addr, val) (*name->mem->wl)(name, addr, val)
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/* OS dependent functions */
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Bool MapCurrentInt10(xf86Int10InfoPtr pInt);
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/* x86 executor related functions */
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Bool xf86Int10ExecSetup(xf86Int10InfoPtr pInt);
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/* int.c */
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extern xf86Int10InfoPtr Int10Current;
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int int_handler(xf86Int10InfoPtr pInt);
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/* helper_exec.c */
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int setup_int(xf86Int10InfoPtr pInt);
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void finish_int(xf86Int10InfoPtr, int sig);
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CARD32 getIntVect(xf86Int10InfoPtr pInt, int num);
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void pushw(xf86Int10InfoPtr pInt, CARD16 val);
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int run_bios_int(int num, xf86Int10InfoPtr pInt);
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void dump_code(xf86Int10InfoPtr pInt);
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void dump_registers(xf86Int10InfoPtr pInt);
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void stack_trace(xf86Int10InfoPtr pInt);
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xf86Int10InfoPtr getInt10Rec(int entityIndex);
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CARD8 bios_checksum(CARD8 *start, int size);
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void LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
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void UnlockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
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#if defined (_PC)
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void xf86Int10SaveRestoreBIOSVars(xf86Int10InfoPtr pInt, Bool save);
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#endif
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int port_rep_inb(xf86Int10InfoPtr pInt,
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CARD16 port, CARD32 base, int d_f, CARD32 count);
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int port_rep_inw(xf86Int10InfoPtr pInt,
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CARD16 port, CARD32 base, int d_f, CARD32 count);
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int port_rep_inl(xf86Int10InfoPtr pInt,
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CARD16 port, CARD32 base, int d_f, CARD32 count);
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int port_rep_outb(xf86Int10InfoPtr pInt,
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CARD16 port, CARD32 base, int d_f, CARD32 count);
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int port_rep_outw(xf86Int10InfoPtr pInt,
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CARD16 port, CARD32 base, int d_f, CARD32 count);
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int port_rep_outl(xf86Int10InfoPtr pInt,
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CARD16 port, CARD32 base, int d_f, CARD32 count);
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CARD8 x_inb(CARD16 port);
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CARD16 x_inw(CARD16 port);
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void x_outb(CARD16 port, CARD8 val);
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void x_outw(CARD16 port, CARD16 val);
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CARD32 x_inl(CARD16 port);
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void x_outl(CARD16 port, CARD32 val);
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CARD8 Mem_rb(CARD32 addr);
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CARD16 Mem_rw(CARD32 addr);
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CARD32 Mem_rl(CARD32 addr);
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void Mem_wb(CARD32 addr, CARD8 val);
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void Mem_ww(CARD32 addr, CARD16 val);
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void Mem_wl(CARD32 addr, CARD32 val);
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/* helper_mem.c */
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void setup_int_vect(xf86Int10InfoPtr pInt);
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int setup_system_bios(void *base_addr);
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void reset_int_vect(xf86Int10InfoPtr pInt);
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void set_return_trap(xf86Int10InfoPtr pInt);
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void * xf86HandleInt10Options(ScrnInfoPtr pScrn, int entityIndex);
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Bool int10skip(void* options);
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Bool int10_check_bios(int scrnIndex, int codeSeg, unsigned char* vbiosMem);
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Bool initPrimary(void* options);
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void xf86int10ParseBiosLocation(void* options,
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xf86int10BiosLocationPtr bios);
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#ifdef DEBUG
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void dprint(unsigned long start, unsigned long size);
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#endif
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/* pci.c */
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int mapPciRom(int pciEntity, unsigned char *address);
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#endif /* _INT10_PRIVATE */
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#endif /* _XF86INT10_H */
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