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/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/xf86x86emu.c,v 1.7 2000/04/04 19:25:18 dawes Exp $ */
/*
* XFree86 int10 module
* execute BIOS int 10h calls in x86 real mode environment
* Copyright 1999 Egbert Eich
*/
#include <x86emu.h>
#include "xf86.h"
#include "xf86str.h"
#include "xf86_ansic.h"
#include "compiler.h"
#include "xf86_OSproc.h"
#include "xf86Pci.h"
#include "xf86_libc.h"
#define _INT10_PRIVATE
#define _INT10_NO_INOUT_MACROS
#include "xf86int10.h"
#include "int10Defines.h"
#define M _X86EMU_env
#if defined(PRINT_PORT) || !defined(_PC)
# define p_inb x_inb
# define p_inw x_inw
# define p_outb x_outb
# define p_outw x_outw
# define p_inl x_inl
# define p_outl x_outl
#else
# define p_inb f_inb
# define p_inw f_inw
# define p_outb f_outb
# define p_outw f_outw
# define p_inl f_inl
# define p_outl f_outl
#endif
/*
* inb/outb, etc are not available as functions (compler.h) on all
* platforms (eg SVR4.0 with cc). This provides versions that are guaranteed
* to be functions.
*/
static CARD8
f_inb(CARD16 port)
{
return inb(port);
}
static CARD16
f_inw(CARD16 port)
{
return inw(port);
}
static CARD32
f_inl(CARD16 port)
{
return inl(port);
}
static void
f_outb(CARD16 port, CARD8 val)
{
outb(port, val);
}
static void
f_outw(CARD16 port, CARD16 val)
{
outw(port,val);
}
static void
f_outl(CARD16 port, CARD32 val)
{
outl(port,val);
}
static void
x86emu_do_int(int num)
{
Int10Current->num = num;
if (!int_handler(Int10Current)) {
xf86DrvMsg(Int10Current->scrnIndex,
X_ERROR,"\nUnknown vm86_int: %X\n\n",num);
X86EMU_halt_sys();
}
return;
}
void
xf86ExecX86int10(xf86Int10InfoPtr pInt)
{
setup_int(pInt);
if (int_handler(pInt)) {
X86EMU_exec();
}
finish_int(pInt);
}
Bool
xf86Int10ExecSetup(xf86Int10InfoPtr pInt)
{
int i;
X86EMU_intrFuncs intFuncs[256];
X86EMU_pioFuncs pioFuncs = {
(u8(*)(u16))p_inb,
(u16(*)(u16))p_inw,
(u32(*)(u16))p_inl,
(void(*)(u16,u8))p_outb,
(void(*)(u16,u16))p_outw,
(void(*)(u16,u32))p_outl
};
X86EMU_memFuncs memFuncs = {
(u8(*)(u32))Mem_rb,
(u16(*)(u32))Mem_rw,
(u32(*)(u32))Mem_rl,
(void(*)(u32,u8))Mem_wb,
(void(*)(u32,u16))Mem_ww,
(void(*)(u32,u32))Mem_wl
};
X86EMU_setupMemFuncs(&memFuncs);
pInt->cpuRegs = &M;
M.mem_base = 0;
M.mem_size = 1024*1024 + 1024;
X86EMU_setupPioFuncs(&pioFuncs);
for (i=0;i<256;i++)
intFuncs[i] = x86emu_do_int;
X86EMU_setupIntrFuncs(intFuncs);
return TRUE;
}
void
printk(const char *fmt, ...)
{
va_list argptr;
va_start(argptr, fmt);
VErrorF(fmt, argptr);
va_end(argptr);
}
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