From e0fbcfe868b509f256fcdc239178d32f617bb129 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= Date: Wed, 25 Aug 2004 05:45:29 +0000 Subject: VGA softbootloader for Linux, uses an x86 CPU emulator on non x86 arches. --- tools/ddcprobe/int10/v86bios.h | 215 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 tools/ddcprobe/int10/v86bios.h (limited to 'tools/ddcprobe/int10/v86bios.h') diff --git a/tools/ddcprobe/int10/v86bios.h b/tools/ddcprobe/int10/v86bios.h new file mode 100644 index 000000000..c0c8acca6 --- /dev/null +++ b/tools/ddcprobe/int10/v86bios.h @@ -0,0 +1,215 @@ +/* + * 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 + +#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, int cpuemu); +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 + -- cgit v1.2.1