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Oops, missing files

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svn path=/trunk/; revision=1705
This commit is contained in:
David Welch 2001-03-17 09:43:27 +00:00
parent 6fbeba1e7c
commit 58fc2c8cf8
3 changed files with 69 additions and 2 deletions
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3
reactos/ntoskrnl/Makefile.i386
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@ -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 \

66
reactos/ntoskrnl/ke/i386/fpu.c Normal file
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@ -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;
}

2
reactos/ntoskrnl/ke/i386/kernel.c
View file

@ -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>