xf86x86emu.c revision 05b261ec 
1/*
2 *                   XFree86 int10 module
3 *   execute BIOS int 10h calls in x86 real mode environment
4 *                 Copyright 1999 Egbert Eich
5 */
6#ifdef HAVE_XORG_CONFIG_H
7#include <xorg-config.h>
8#endif
9
10#include <x86emu.h>
11#include "xf86.h"
12#include "compiler.h"
13#include "xf86_OSproc.h"
14#include "xf86Pci.h"
15#define _INT10_PRIVATE
16#include "xf86int10.h"
17#include "int10Defines.h"
18
19#define M _X86EMU_env
20
21static void
22x86emu_do_int(int num)
23{
24    Int10Current->num = num;
25
26    if (!int_handler(Int10Current)) {
27	X86EMU_halt_sys();
28    }
29}
30
31void
32xf86ExecX86int10(xf86Int10InfoPtr pInt)
33{
34    int sig = setup_int(pInt);
35
36    if (sig < 0)
37	return;
38
39    if (int_handler(pInt)) {
40	X86EMU_exec();
41    }
42
43    finish_int(pInt, sig);
44}
45
46Bool
47xf86Int10ExecSetup(xf86Int10InfoPtr pInt)
48{
49    int i;
50    X86EMU_intrFuncs intFuncs[256];
51    X86EMU_pioFuncs pioFuncs = {
52	(&x_inb),
53	(&x_inw),
54	(&x_inl),
55	(&x_outb),
56	(&x_outw),
57	(&x_outl)
58    };
59
60    X86EMU_memFuncs memFuncs = {
61	(&Mem_rb),
62	(&Mem_rw),
63	(&Mem_rl),
64	(&Mem_wb),
65	(&Mem_ww),
66	(&Mem_wl)
67    };
68
69    X86EMU_setupMemFuncs(&memFuncs);
70
71    pInt->cpuRegs = &M;
72    M.mem_base = 0;
73    M.mem_size = 1024*1024 + 1024;
74    X86EMU_setupPioFuncs(&pioFuncs);
75
76    for (i=0;i<256;i++)
77	intFuncs[i] = x86emu_do_int;
78    X86EMU_setupIntrFuncs(intFuncs);
79    return TRUE;
80}
81
82void
83printk(const char *fmt, ...)
84{
85    va_list argptr;
86    va_start(argptr, fmt);
87    VErrorF(fmt, argptr);
88    va_end(argptr);
89}
90