diff options
Diffstat (limited to 'xorg-server/hw/xfree86/int10/xf86int10.h')
| -rw-r--r-- | xorg-server/hw/xfree86/int10/xf86int10.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/int10/xf86int10.h b/xorg-server/hw/xfree86/int10/xf86int10.h new file mode 100644 index 000000000..0e6669d8f --- /dev/null +++ b/xorg-server/hw/xfree86/int10/xf86int10.h @@ -0,0 +1,183 @@ + +/* + * XFree86 int10 module + * execute BIOS int 10h calls in x86 real mode environment + * Copyright 1999 Egbert Eich + */ + +#ifndef _XF86INT10_H +#define _XF86INT10_H + +#include <X11/Xmd.h> +#include <X11/Xdefs.h> +#include "xf86Pci.h" + +#define SEG_ADDR(x) (((x) >> 4) & 0x00F000) +#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; + pointer cpuRegs; + CARD16 BIOSseg; + CARD16 inb40time; + char * BIOSScratch; + int Flags; + pointer private; + struct _int10Mem* mem; + 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; + IOADDRESS ioBase; +} xf86Int10InfoRec, *xf86Int10InfoPtr; + +typedef struct _int10Mem { + CARD8(*rb)(xf86Int10InfoPtr, int); + CARD16(*rw)(xf86Int10InfoPtr, int); + CARD32(*rl)(xf86Int10InfoPtr, int); + void(*wb)(xf86Int10InfoPtr, int, CARD8); + void(*ww)(xf86Int10InfoPtr, int, CARD16); + void(*wl)(xf86Int10InfoPtr, int, CARD32); +} int10MemRec, *int10MemPtr; + +typedef struct { + CARD8 save_msr; + CARD8 save_pos102; + CARD8 save_vse; + CARD8 save_46e8; +} legacyVGARec, *legacyVGAPtr; + +/* OS dependent functions */ +xf86Int10InfoPtr xf86InitInt10(int entityIndex); +xf86Int10InfoPtr xf86ExtendedInitInt10(int entityIndex, int Flags); +void xf86FreeInt10(xf86Int10InfoPtr pInt); +void *xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num, int *off); +void xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num); +pointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr); + +/* x86 executor related functions */ +void xf86ExecX86int10(xf86Int10InfoPtr pInt); + +#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); +BusType xf86int10GetBiosLocationType(const xf86Int10InfoPtr pInt); +Bool xf86int10GetBiosSegment(xf86Int10InfoPtr pInt, void *base); +#ifdef DEBUG +void dprint(unsigned long start, unsigned long size); +#endif + +#endif /* _INT10_PRIVATE */ +#endif /* _XF86INT10_H */ |