v86bios.h

uboot在arm处理器s3c2410的移植代码

/*
 * Copyright 1999 Egbert Eich
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the authors not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  The authors makes no representations
 * about the suitability of this software for any purpose.  It is provided
 * "as is" without express or implied warranty.
 *
 * THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
#ifndef V86_BIOS_H
#define V86_BIOS_H

#if defined (__i386__) || defined (__i486__) || defined (__i586__) || defined (__i686__) || defined (__k6__)
# ifndef __ia32__
#  define __ia32__
# endif
#endif

#include <stdio.h>

#define p_printf(f,a...) do {if (Config.PrintPort) lprintf(f,##a);} \
			 while(0)
#define i_printf(f,a...) do  {if (Config.PrintIrq) lprintf(f,##a);} \
			  while(0)
#define P_printf(f,a...) do {if (Config.PrintPci) lprintf(f,##a);} \
			  while(0)

typedef unsigned char CARD8;
typedef unsigned short CARD16;
typedef unsigned int CARD32;
#if defined (__alpha__) || defined (__ia64__)
typedef unsigned long memType;
#else
typedef unsigned int memType;
#endif

typedef int Bool;

#define FALSE 0
#define TRUE 1

struct config {
    Bool PrintPort;
    Bool IoStatistics;
    Bool PrintIrq;
    Bool PrintPci;
    Bool ShowAllDev;
    Bool PrintIp;
    Bool SaveBios;
    Bool Trace;
    Bool ConfigActiveOnly;
    Bool ConfigActiveDevice;
    Bool MapSysBios;
    Bool Resort;
    Bool FixRom;
    Bool NoConsole;
    Bool BootOnly;
    int  Verbose;
};

struct pio {
    CARD8 (*inb)(CARD16);
    CARD16 (*inw)(CARD16);
    CARD32 (*inl)(CARD16);
    void (*outb)(CARD16,CARD8);
    void (*outw)(CARD16,CARD16);
    void (*outl)(CARD16,CARD32);
};

struct regs86 {
	long ebx;
	long ecx;
	long edx;
	long esi;
	long edi;
	long ebp;
	long eax;
	long eip;
	long esp;
	unsigned short cs;
	unsigned short ss;
	unsigned short es;
	unsigned short ds;
	unsigned short fs;
	unsigned short gs;
    long eflags;
};

typedef struct {
    CARD32 ax;
    CARD32 bx;
    CARD32 cx;
    CARD32 dx;
    CARD32 cs;
    CARD32 es;
    CARD32 ds;
    CARD32 si;
    CARD32 di;
} i86biosRegs, *i86biosRegsPtr;

typedef struct {
    int fd;
    int vt;
} console;

typedef struct {
    void* address;
    CARD8 orgval;
} haltpoints;

enum dev_type {  NONE, ISA, PCI };
struct device {
    Bool booted;
    enum dev_type type;
    union {
      int none;
      struct pci {
	int bus;
	int dev;
	int func;
      } pci;
    } loc;
};

extern struct device Device;

#ifdef __alpha__
unsigned long _bus_base(void);
extern void* vram_map;
extern int sparse_shift;
#endif

extern struct pio P;
extern struct config Config;
#define IOPERM_BITS 1024
extern int ioperm_list[IOPERM_BITS];

extern void setup_io(void);
extern void do_x86(unsigned long bios_start,i86biosRegsPtr regs);
extern int run_bios_int(int num, struct regs86 *regs);
extern CARD32 getIntVect(int num);
CARD32 getIP(void);

extern void call_boot(struct device *dev);
extern void runINT(int num,i86biosRegsPtr Regs);
extern void add_hlt(unsigned long addr);
extern void del_hlt(int addr);
extern void list_hlt();

extern int port_rep_inb(CARD16 port, CARD8 *base, int d_f, CARD32 count);
extern int port_rep_inw(CARD16 port, CARD16 *base, int d_f, CARD32 count);
extern int port_rep_inl(CARD16 port, CARD32 *base, int d_f, CARD32 count);
extern int port_rep_outb(CARD16 port, CARD8 *base, int d_f, CARD32 count);
extern int port_rep_outw(CARD16 port, CARD16 *base, int d_f, CARD32 count);
extern int port_rep_outl(CARD16 port, CARD32 *base, int d_f, CARD32 count);
extern CARD8 p_inb(CARD16 port);
extern CARD16 p_inw(CARD16 port);
extern CARD32 p_inl(CARD16 port);
extern void p_outb(CARD16 port, CARD8 val);
extern void p_outw(CARD16 port, CARD16 val);
extern void p_outl(CARD16 port, CARD32 val);
#ifdef __alpha__
extern CARD8 a_inb(CARD16 port);
extern CARD16 a_inw(CARD16 port);
extern void a_outb(CARD16 port, CARD8 val);
extern void a_outw(CARD16 port, CARD16 val);
#endif
#ifdef __alpha__
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);
#endif
extern void io_statistics(void);
extern void clear_stat(void);
extern int int_handler(int num, struct regs86 *regs);

extern console open_console(void);
extern void close_console(console);

extern void dprint(unsigned long start, unsigned long size);

extern Bool logging;
extern Bool nostdout;
extern char* logfile;
extern void logon(void* ptr);
extern void logoff();
extern void lprintf(const char *f, ...);

#define MEM_FILE "/dev/mem"
#define DEFAULT_V_BIOS 0xc0000
#ifndef V_BIOS
#define V_BIOS DEFAULT_V_BIOS
#endif

#ifdef __alpha__
#define NEED_PCI_IO
#endif

#endif