Initial revision

hw/xfree86/int10/xf86x86emu.c

@@ -0,0 +1,88 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/xf86x86emu.c,v 1.13 2002/09/16 18:06:09 eich 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 "xf86_ansic.h"
+#include "compiler.h"
+#include "xf86_OSproc.h"
+#include "xf86Pci.h"
+#include "xf86_libc.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);
+}