[deb_xorg-server.git] / hw / xfree86 / int10 / xf86int10.h


/*
 *                   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;
    CARD16 BIOSseg;
    CARD16 inb40time;
    ScrnInfoPtr pScrn;
    pointer cpuRegs;
    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;
    struct pci_io_handle *io;
} 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 */
extern _X_EXPORT xf86Int10InfoPtr xf86InitInt10(int entityIndex);
extern _X_EXPORT xf86Int10InfoPtr xf86ExtendedInitInt10(int entityIndex,
                                                        int Flags);
extern _X_EXPORT void xf86FreeInt10(xf86Int10InfoPtr pInt);
extern _X_EXPORT void *xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num,
                                           int *off);
extern _X_EXPORT void xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase,
                                         int num);
extern _X_EXPORT pointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr);

/* x86 executor related functions */
extern _X_EXPORT 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 */
extern _X_EXPORT Bool MapCurrentInt10(xf86Int10InfoPtr pInt);

/* x86 executor related functions */
extern _X_EXPORT Bool xf86Int10ExecSetup(xf86Int10InfoPtr pInt);

/* int.c */
extern _X_EXPORT 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);
CARD8 bios_checksum(const CARD8 *start, int size);
void LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
void UnlockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);

#if defined (_PC)
extern _X_EXPORT 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);
extern _X_EXPORT 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);
extern _X_EXPORT BusType xf86int10GetBiosLocationType(const xf86Int10InfoPtr
                                                      pInt);
extern _X_EXPORT Bool xf86int10GetBiosSegment(xf86Int10InfoPtr pInt,
                                              void *base);
#ifdef DEBUG
void dprint(unsigned long start, unsigned long size);
#endif

#endif                          /* _INT10_PRIVATE */
#endif                          /* _XF86INT10_H */
Commit	Line	Data
a09e091a JB	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 */
	22	typedef struct {
	23	int entityIndex;
	24	CARD16 BIOSseg;
	25	CARD16 inb40time;
	26	ScrnInfoPtr pScrn;
	27	pointer cpuRegs;
	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	struct pci_io_handle *io;
	45	} xf86Int10InfoRec, *xf86Int10InfoPtr;
	46
	47	typedef 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
	56	typedef 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 */
	64	extern _X_EXPORT xf86Int10InfoPtr xf86InitInt10(int entityIndex);
65	extern _X_EXPORT xf86Int10InfoPtr xf86ExtendedInitInt10(int entityIndex,
66	int Flags);
67	extern _X_EXPORT void xf86FreeInt10(xf86Int10InfoPtr pInt);
68	extern _X_EXPORT void *xf86Int10AllocPages(xf86Int10InfoPtr pInt, int num,
69	int *off);
70	extern _X_EXPORT void xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase,
71	int num);
72	extern _X_EXPORT pointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr);
73
74	/* x86 executor related functions */
75	extern _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 */
118	extern _X_EXPORT Bool MapCurrentInt10(xf86Int10InfoPtr pInt);
119
120	/* x86 executor related functions */
121	extern _X_EXPORT Bool xf86Int10ExecSetup(xf86Int10InfoPtr pInt);
122
123	/* int.c */
124	extern _X_EXPORT xf86Int10InfoPtr Int10Current;
125	int int_handler(xf86Int10InfoPtr pInt);
126
127	/* helper_exec.c */
128	int setup_int(xf86Int10InfoPtr pInt);
129	void finish_int(xf86Int10InfoPtr, int sig);
130	CARD32 getIntVect(xf86Int10InfoPtr pInt, int num);
131	void pushw(xf86Int10InfoPtr pInt, CARD16 val);
132	int run_bios_int(int num, xf86Int10InfoPtr pInt);
133	void dump_code(xf86Int10InfoPtr pInt);
134	void dump_registers(xf86Int10InfoPtr pInt);
135	void stack_trace(xf86Int10InfoPtr pInt);
136	CARD8 bios_checksum(const CARD8 *start, int size);
137	void LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
138	void UnlockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga);
139
140	#if defined (_PC)
141	extern _X_EXPORT void xf86Int10SaveRestoreBIOSVars(xf86Int10InfoPtr pInt,
142	Bool save);
143	#endif
144	int port_rep_inb(xf86Int10InfoPtr pInt,
145	CARD16 port, CARD32 base, int d_f, CARD32 count);
146	int port_rep_inw(xf86Int10InfoPtr pInt,
147	CARD16 port, CARD32 base, int d_f, CARD32 count);
148	int port_rep_inl(xf86Int10InfoPtr pInt,
149	CARD16 port, CARD32 base, int d_f, CARD32 count);
150	int port_rep_outb(xf86Int10InfoPtr pInt,
151	CARD16 port, CARD32 base, int d_f, CARD32 count);
152	int port_rep_outw(xf86Int10InfoPtr pInt,
153	CARD16 port, CARD32 base, int d_f, CARD32 count);
154	int port_rep_outl(xf86Int10InfoPtr pInt,
155	CARD16 port, CARD32 base, int d_f, CARD32 count);
156
157	CARD8 x_inb(CARD16 port);
158	CARD16 x_inw(CARD16 port);
159	void x_outb(CARD16 port, CARD8 val);
160	void x_outw(CARD16 port, CARD16 val);
161	CARD32 x_inl(CARD16 port);
162	void x_outl(CARD16 port, CARD32 val);
163
164	CARD8 Mem_rb(CARD32 addr);
165	CARD16 Mem_rw(CARD32 addr);
166	CARD32 Mem_rl(CARD32 addr);
167	void Mem_wb(CARD32 addr, CARD8 val);
168	void Mem_ww(CARD32 addr, CARD16 val);
169	void Mem_wl(CARD32 addr, CARD32 val);
170
171	/* helper_mem.c */
172	void setup_int_vect(xf86Int10InfoPtr pInt);
173	int setup_system_bios(void *base_addr);
174	void reset_int_vect(xf86Int10InfoPtr pInt);
175	void set_return_trap(xf86Int10InfoPtr pInt);
176	extern _X_EXPORT void *xf86HandleInt10Options(ScrnInfoPtr pScrn,
177	int entityIndex);
178	Bool int10skip(const void *options);
179	Bool int10_check_bios(int scrnIndex, int codeSeg,
180	const unsigned char *vbiosMem);
181	Bool initPrimary(const void *options);
182	extern _X_EXPORT BusType xf86int10GetBiosLocationType(const xf86Int10InfoPtr
183	pInt);
184	extern _X_EXPORT Bool xf86int10GetBiosSegment(xf86Int10InfoPtr pInt,
185	void *base);
186	#ifdef DEBUG
187	void dprint(unsigned long start, unsigned long size);
188	#endif
189
190	#endif /* _INT10_PRIVATE */
191	#endif /* _XF86INT10_H */