xenocara/xserver/hw/xfree86/int10/xf86x86emu.c
matthieu 6e1bcfb3c6 Update to xserver 1.18.4
tested by krw@ and dcoppa@ ok dcoppa@
2016-08-09 18:59:50 +00:00

91 lines
1.5 KiB
C

/*
* XFree86 int10 module
* execute BIOS int 10h calls in x86 real mode environment
* Copyright 1999 Egbert Eich
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86Pci.h"
#define _INT10_PRIVATE
#include "xf86int10.h"
#include "int10Defines.h"
#include <x86emu.h>
#define M _X86EMU_env
static void
x86emu_do_int(int num)
{
Int10Current->num = num;
if (!int_handler(Int10Current)) {
X86EMU_halt_sys();
}
}
void
xf86ExecX86int10(xf86Int10InfoPtr pInt)
{
int sig = setup_int(pInt);
if (sig < 0)
return;
if (int_handler(pInt)) {
X86EMU_exec();
}
finish_int(pInt, sig);
}
Bool
xf86Int10ExecSetup(xf86Int10InfoPtr pInt)
{
int i;
X86EMU_intrFuncs intFuncs[256];
X86EMU_pioFuncs pioFuncs = {
.inb = x_inb,
.inw = x_inw,
.inl = x_inl,
.outb = x_outb,
.outw = x_outw,
.outl = x_outl
};
X86EMU_memFuncs memFuncs = {
(&Mem_rb),
(&Mem_rw),
(&Mem_rl),
(&Mem_wb),
(&Mem_ww),
(&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);
}