--- np2/i386c/ia32/interface.c	2005/02/08 09:57:26	1.22
+++ np2/i386c/ia32/interface.c	2008/01/25 18:02:18	1.25
@@ -1,4 +1,4 @@
-/*	$Id: interface.c,v 1.22 2005/02/08 09:57:26 yui Exp $	*/
+/*	$Id: interface.c,v 1.25 2008/01/25 18:02:18 monaka Exp $	*/
 
 /*
  * Copyright (c) 2002-2003 NONAKA Kimihiro
@@ -12,8 +12,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
@@ -30,6 +28,9 @@
 #include "compiler.h"
 #include "cpu.h"
 #include "ia32.mcr"
+#if defined(USE_FPU)
+#include "instructions/fpu/fp.h"
+#endif
 
 #include "pccore.h"
 #include "iocore.h"
@@ -50,9 +51,11 @@ ia32_initreg(void)
 	CPU_EDX = (CPU_FAMILY << 8) | (CPU_MODEL << 4) | CPU_STEPPING;
 	CPU_EFLAG = 2;
 	CPU_CR0 = CPU_CR0_CD | CPU_CR0_NW | CPU_CR0_ET;
-#ifndef USE_FPU
+#if defined(USE_FPU)
 	CPU_CR0 |= CPU_CR0_EM | CPU_CR0_NE;
 	CPU_CR0 &= ~CPU_CR0_MP;
+#else
+	CPU_CR0 |= CPU_CR0_ET;
 #endif
 	CPU_MXCSR = 0x1f80;
 	CPU_GDTR_LIMIT = 0xffff;
@@ -76,6 +79,9 @@ ia32_initreg(void)
 	CPU_ADRSMASK = 0x000fffff;
 
 	tlb_init();
+#if defined(USE_FPU)
+	fpu_init();
+#endif
 }
 
 void
@@ -281,9 +287,6 @@ ia32_bioscall(void)
 		adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE;
 #endif
 		if ((adrs >= 0xf8000) && (adrs < 0x100000)) {
-			if (biosfunc(adrs)) {
-				CPU_PREFETCH_CLEAR();
-			}
 			if (!CPU_STAT_PM || CPU_STAT_VM86) {
 				CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES);
 				CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS);