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source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.6.99-20090831/xf86int10.h@ 40349

最後變更 在這個檔案從40349是 22658,由 vboxsync 提交於 15 年 前

export Xorg 1.6.99 headers to OSE
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1
2/*
3 * XFree86 int10 module
4 * execute BIOS int 10h calls in x86 real mode environment
5 * Copyright 1999 Egbert Eich
6 */
7
8#ifndef _XF86INT10_H
9#define _XF86INT10_H
10
11#include <X11/Xmd.h>
12#include <X11/Xdefs.h>
13#include "xf86Pci.h"
14
15#define SEG_ADDR(x) (((x) >> 4) & 0x00F000)
16#define SEG_OFF(x) ((x) & 0x0FFFF)
17
18#define SET_BIOS_SCRATCH 0x1
19#define RESTORE_BIOS_SCRATCH 0x2
20
21/* int10 info structure */
22typedef struct {
23 int entityIndex;
24 int scrnIndex;
25 pointer cpuRegs;
26 CARD16 BIOSseg;
27 CARD16 inb40time;
28 char * BIOSScratch;
29 int Flags;
30 pointer private;
31 struct _int10Mem* mem;
32 int num;
33 int ax;
34 int bx;
35 int cx;
36 int dx;
37 int si;
38 int di;
39 int es;
40 int bp;
41 int flags;
42 int stackseg;
43 struct pci_device *dev;
44 IOADDRESS ioBase;
45} xf86Int10InfoRec, *xf86Int10InfoPtr;
46
47typedef struct _int10Mem {
48 CARD8(*rb)(xf86Int10InfoPtr, int);
49 CARD16(*rw)(xf86Int10InfoPtr, int);
50 CARD32(*rl)(xf86Int10InfoPtr, int);
51 void(*wb)(xf86Int10InfoPtr, int, CARD8);
52 void(*ww)(xf86Int10InfoPtr, int, CARD16);
53 void(*wl)(xf86Int10InfoPtr, int, CARD32);
54} int10MemRec, *int10MemPtr;
55
56typedef struct {
57 CARD8 save_msr;
58 CARD8 save_pos102;
59 CARD8 save_vse;
60 CARD8 save_46e8;
61} legacyVGARec, *legacyVGAPtr;
62
63/* OS dependent functions */
64extern _X_EXPORT xf86Int10InfoPtr xf86InitInt10(int entityIndex);
65extern _X_EXPORT xf86Int10InfoPtr xf86ExtendedInitInt10(int entityIndex,
66 int Flags);
67extern _X_EXPORT void xf86FreeInt10(xf86Int10InfoPtr pInt);
68extern _X_EXPORT void *xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num,
69 int *off);
70extern _X_EXPORT void xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase,
71 int num);
72extern _X_EXPORT pointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr);
73
74/* x86 executor related functions */
75extern _X_EXPORT void xf86ExecX86int10(xf86Int10InfoPtr pInt);
76
77#ifdef _INT10_PRIVATE
78
79#define I_S_DEFAULT_INT_VECT 0xFF065
80#define SYS_SIZE 0x100000
81#define SYS_BIOS 0xF0000
82#if 1
83#define BIOS_SIZE 0x10000
84#else /* a bug in DGUX requires this - let's try it */
85#define BIOS_SIZE (0x10000 - 1)
86#endif
87#define LOW_PAGE_SIZE 0x600
88#define V_RAM 0xA0000
89#define VRAM_SIZE 0x20000
90#define V_BIOS_SIZE 0x10000
91#define V_BIOS 0xC0000
92#define BIOS_SCRATCH_OFF 0x449
93#define BIOS_SCRATCH_END 0x466
94#define BIOS_SCRATCH_LEN (BIOS_SCRATCH_END - BIOS_SCRATCH_OFF + 1)
95#define HIGH_MEM V_BIOS
96#define HIGH_MEM_SIZE (SYS_BIOS - HIGH_MEM)
97#define SEG_ADR(type, seg, reg) type((seg << 4) + (X86_##reg))
98#define SEG_EADR(type, seg, reg) type((seg << 4) + (X86_E##reg))
99
100#define X86_TF_MASK 0x00000100
101#define X86_IF_MASK 0x00000200
102#define X86_IOPL_MASK 0x00003000
103#define X86_NT_MASK 0x00004000
104#define X86_VM_MASK 0x00020000
105#define X86_AC_MASK 0x00040000
106#define X86_VIF_MASK 0x00080000 /* virtual interrupt flag */
107#define X86_VIP_MASK 0x00100000 /* virtual interrupt pending */
108#define X86_ID_MASK 0x00200000
109
110#define MEM_RB(name, addr) (*name->mem->rb)(name, addr)
111#define MEM_RW(name, addr) (*name->mem->rw)(name, addr)
112#define MEM_RL(name, addr) (*name->mem->rl)(name, addr)
113#define MEM_WB(name, addr, val) (*name->mem->wb)(name, addr, val)
114#define MEM_WW(name, addr, val) (*name->mem->ww)(name, addr, val)
115#define MEM_WL(name, addr, val) (*name->mem->wl)(name, addr, val)
116
117/* OS dependent functions */
118extern _X_EXPORT Bool MapCurrentInt10(xf86Int10InfoPtr pInt);
119/* x86 executor related functions */
120extern _X_EXPORT Bool xf86Int10ExecSetup(xf86Int10InfoPtr pInt);
121
122/* int.c */
123extern _X_EXPORT xf86Int10InfoPtr Int10Current;
124int int_handler(xf86Int10InfoPtr pInt);
125
126/* helper_exec.c */
127int setup_int(xf86Int10InfoPtr pInt);
128void finish_int(xf86Int10InfoPtr, int sig);
129CARD32 getIntVect(xf86Int10InfoPtr pInt, int num);
130void pushw(xf86Int10InfoPtr pInt, CARD16 val);
131int run_bios_int(int num, xf86Int10InfoPtr pInt);
132void dump_code(xf86Int10InfoPtr pInt);
133void dump_registers(xf86Int10InfoPtr pInt);
134void stack_trace(xf86Int10InfoPtr pInt);
135CARD8 bios_checksum(const CARD8 *start, int size);
136void LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
137void UnlockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
138#if defined (_PC)
139extern _X_EXPORT void xf86Int10SaveRestoreBIOSVars(xf86Int10InfoPtr pInt, Bool save);
140#endif
141int port_rep_inb(xf86Int10InfoPtr pInt,
142 CARD16 port, CARD32 base, int d_f, CARD32 count);
143int port_rep_inw(xf86Int10InfoPtr pInt,
144 CARD16 port, CARD32 base, int d_f, CARD32 count);
145int port_rep_inl(xf86Int10InfoPtr pInt,
146 CARD16 port, CARD32 base, int d_f, CARD32 count);
147int port_rep_outb(xf86Int10InfoPtr pInt,
148 CARD16 port, CARD32 base, int d_f, CARD32 count);
149int port_rep_outw(xf86Int10InfoPtr pInt,
150 CARD16 port, CARD32 base, int d_f, CARD32 count);
151int port_rep_outl(xf86Int10InfoPtr pInt,
152 CARD16 port, CARD32 base, int d_f, CARD32 count);
153
154CARD8 x_inb(CARD16 port);
155CARD16 x_inw(CARD16 port);
156void x_outb(CARD16 port, CARD8 val);
157void x_outw(CARD16 port, CARD16 val);
158CARD32 x_inl(CARD16 port);
159void x_outl(CARD16 port, CARD32 val);
160
161CARD8 Mem_rb(CARD32 addr);
162CARD16 Mem_rw(CARD32 addr);
163CARD32 Mem_rl(CARD32 addr);
164void Mem_wb(CARD32 addr, CARD8 val);
165void Mem_ww(CARD32 addr, CARD16 val);
166void Mem_wl(CARD32 addr, CARD32 val);
167
168/* helper_mem.c */
169void setup_int_vect(xf86Int10InfoPtr pInt);
170int setup_system_bios(void *base_addr);
171void reset_int_vect(xf86Int10InfoPtr pInt);
172void set_return_trap(xf86Int10InfoPtr pInt);
173extern _X_EXPORT void * xf86HandleInt10Options(ScrnInfoPtr pScrn, int entityIndex);
174Bool int10skip(const void* options);
175Bool int10_check_bios(int scrnIndex, int codeSeg,
176 const unsigned char* vbiosMem);
177Bool initPrimary(const void* options);
178extern _X_EXPORT BusType xf86int10GetBiosLocationType(const xf86Int10InfoPtr pInt);
179extern _X_EXPORT Bool xf86int10GetBiosSegment(xf86Int10InfoPtr pInt, void *base);
180#ifdef DEBUG
181void dprint(unsigned long start, unsigned long size);
182#endif
183
184#endif /* _INT10_PRIVATE */
185#endif /* _XF86INT10_H */
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