From 58fc2c8cf8fa69af7facf56f3374f28a178b31ba Mon Sep 17 00:00:00 2001
From: David Welch <welch@cwcom.net>
Date: Sat, 17 Mar 2001 09:43:27 +0000
Subject: [PATCH] Oops, missing files

svn path=/trunk/; revision=1705
---
 reactos/ntoskrnl/Makefile.i386    |  3 +-
 reactos/ntoskrnl/ke/i386/fpu.c    | 66 +++++++++++++++++++++++++++++++
 reactos/ntoskrnl/ke/i386/kernel.c |  2 +-
 3 files changed, 69 insertions(+), 2 deletions(-)
 create mode 100644 reactos/ntoskrnl/ke/i386/fpu.c

diff --git a/reactos/ntoskrnl/Makefile.i386 b/reactos/ntoskrnl/Makefile.i386
index 685eb63d3a3..1c00d8ff558 100644
--- a/reactos/ntoskrnl/Makefile.i386
+++ b/reactos/ntoskrnl/Makefile.i386
@@ -18,7 +18,8 @@ OBJECTS_KE_I386 := \
 	ke/i386/idt.o \
 	ke/i386/ldt.o \
 	ke/i386/brkpoint.o \
-	ke/i386/kernel.o
+	ke/i386/kernel.o \
+	ke/i386/fpu.o
 
 OBJECTS_MM_I386 := \
 	mm/i386/memsafe.o \
diff --git a/reactos/ntoskrnl/ke/i386/fpu.c b/reactos/ntoskrnl/ke/i386/fpu.c
new file mode 100644
index 00000000000..8497222e763
--- /dev/null
+++ b/reactos/ntoskrnl/ke/i386/fpu.c
@@ -0,0 +1,66 @@
+/*
+ *  ReactOS kernel
+ *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/*
+ * PROJECT:         ReactOS kernel
+ * FILE:            ntoskrnl/ke/i386/fpu.c
+ * PURPOSE:         Handles the FPU
+ * PROGRAMMER:      David Welch (welch@mcmail.com)
+ * UPDATE HISTORY:
+ *                  Created 22/05/98
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <ddk/ntddk.h>
+#include <internal/ke.h>
+#include <internal/mm.h>
+#include <internal/ps.h>
+
+#define NDEBUG
+#include <internal/debug.h>
+
+/* GLOBALS *******************************************************************/
+
+static ULONG HardwareMathSupport;
+
+/* FUNCTIONS *****************************************************************/
+
+VOID 
+KiCheckFPU(VOID)
+{
+   unsigned short int status;
+   int cr0;
+   
+   HardwareMathSupport = 0;
+   
+   __asm__("clts\n\t");
+   __asm__("fninit\n\t");
+   __asm__("fstsw %0\n\t" : "=a" (status));
+   if (status != 0)
+     {
+	__asm__("movl %%cr0, %0\n\t" : "=a" (cr0));
+	cr0 = cr0 | 0x4;
+	__asm__("movl %0, %%cr0\n\t" :
+		: "a" (cr0));
+	DbgPrint("No FPU detected\n");
+	return;
+     }
+   /* FIXME: Do fsetpm */
+   HardwareMathSupport = 1;   
+}
diff --git a/reactos/ntoskrnl/ke/i386/kernel.c b/reactos/ntoskrnl/ke/i386/kernel.c
index 0ae9c063de3..2dcc56fb5cd 100644
--- a/reactos/ntoskrnl/ke/i386/kernel.c
+++ b/reactos/ntoskrnl/ke/i386/kernel.c
@@ -31,7 +31,7 @@
 #include <internal/ke.h>
 #include <internal/mm.h>
 #include <internal/ps.h>
-#include <internal/arch/fpu.h>
+#include <internal/i386/fpu.h>
 
 #define NDEBUG
 #include <internal/debug.h>