diff options
Diffstat (limited to 'xorg-server/hw/xfree86/int10/xf86x86emu.c')
-rw-r--r-- | xorg-server/hw/xfree86/int10/xf86x86emu.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/int10/xf86x86emu.c b/xorg-server/hw/xfree86/int10/xf86x86emu.c new file mode 100644 index 000000000..83663b0e6 --- /dev/null +++ b/xorg-server/hw/xfree86/int10/xf86x86emu.c @@ -0,0 +1,89 @@ +/* + * 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 <x86emu.h> +#include "xf86.h" +#include "compiler.h" +#include "xf86_OSproc.h" +#include "xf86Pci.h" +#define _INT10_PRIVATE +#include "xf86int10.h" +#include "int10Defines.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 = { + (&x_inb), + (&x_inw), + (&x_inl), + (&x_outb), + (&x_outw), + (&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); +} |