| 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 | |
| 21 | static void |
| 22 | x86emu_do_int(int num) |
| 23 | { |
| 24 | Int10Current->num = num; |
| 25 | |
| 26 | if (!int_handler(Int10Current)) { |
| 27 | X86EMU_halt_sys(); |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | void |
| 32 | xf86ExecX86int10(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 | |
| 46 | Bool |
| 47 | xf86Int10ExecSetup(xf86Int10InfoPtr pInt) |
| 48 | { |
| 49 | int i; |
| 50 | X86EMU_intrFuncs intFuncs[256]; |
| 51 | |
| 52 | X86EMU_pioFuncs pioFuncs = { |
| 53 | (&x_inb), |
| 54 | (&x_inw), |
| 55 | (&x_inl), |
| 56 | (&x_outb), |
| 57 | (&x_outw), |
| 58 | (&x_outl) |
| 59 | }; |
| 60 | |
| 61 | X86EMU_memFuncs memFuncs = { |
| 62 | (&Mem_rb), |
| 63 | (&Mem_rw), |
| 64 | (&Mem_rl), |
| 65 | (&Mem_wb), |
| 66 | (&Mem_ww), |
| 67 | (&Mem_wl) |
| 68 | }; |
| 69 | |
| 70 | X86EMU_setupMemFuncs(&memFuncs); |
| 71 | |
| 72 | pInt->cpuRegs = &M; |
| 73 | M.mem_base = 0; |
| 74 | M.mem_size = 1024 * 1024 + 1024; |
| 75 | X86EMU_setupPioFuncs(&pioFuncs); |
| 76 | |
| 77 | for (i = 0; i < 256; i++) |
| 78 | intFuncs[i] = x86emu_do_int; |
| 79 | X86EMU_setupIntrFuncs(intFuncs); |
| 80 | return TRUE; |
| 81 | } |
| 82 | |
| 83 | void |
| 84 | printk(const char *fmt, ...) |
| 85 | { |
| 86 | va_list argptr; |
| 87 | |
| 88 | va_start(argptr, fmt); |
| 89 | VErrorF(fmt, argptr); |
| 90 | va_end(argptr); |
| 91 | } |