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Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

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Colin Finck 2017-10-03 07:45:34 +00:00
parent b94e2d8ca0
commit c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
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133
modules/rosapps/applications/sysutils/utils/pice/module/dblflt.c Normal file
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/*++
Copyright (c) 1998-2001 Klaus P. Gerlicher
Module Name:
dblflt.c
Abstract:
handle double faults on x86
Environment:
LINUX 2.2.X
Kernel mode only
Author:
Klaus P. Gerlicher
Revision History:
13-Nov-1999: created
15-Nov-2000: general cleanup of source files
Copyright notice:
This file may be distributed under the terms of the GNU Public License.
--*/
////////////////////////////////////////////////////
// INCLUDES
////
#include "remods.h"
#include "precomp.h"
////////////////////////////////////////////////////
// GLOBALS
////
ULONG OldDblFltHandler = 0;
////////////////////////////////////////////////////
// FUNCTIONS
////
//*************************************************************************
// HandleDoubleFault()
//
//*************************************************************************
void HandleDoubleFault(FRAME* ptr)
{
DPRINT((0,"HandleDoubleFault(): ptr = %x\n",ptr));
}
//*************************************************************************
// NewDblFltHandler()
//
//*************************************************************************
__asm__ (" \
NewDblFltHandler:\n\t \
pushfl\n\t \
cli;\n\t \
cld;\n\t \
pushal;\n\t \
pushl %ds;\n\t \
\n\t \
// setup default data selectors\n\t \
movw %ss,%ax\n\t \
movw %ax,%ds\n\t \
\n\t \
// get frame ptr\n\t \
lea 40(%esp),%eax\n\t \
pushl %eax\n\t \
call _HandleDoubleFault\n\t \
addl $4,%esp\n\t \
\n\t \
popl %ds\n\t \
popal\n\t \
popfl\n\t \
// remove error code from stack and replace with reason code\n\t \
movl $" STR(REASON_DOUBLE_FAULT) ",(%esp)\n\t \
// call debugger loop\n\t \
jmp NewInt31Handler\n\t");
//*************************************************************************
// InstallDblFltHook()
//
//*************************************************************************
void InstallDblFltHook(void)
{
ULONG LocalDblFltHandler;
ENTER_FUNC();
MaskIrqs();
if(!OldDblFltHandler)
{
__asm__("mov $NewDblFltHandler,%0"
:"=r" (LocalDblFltHandler)
:
:"eax");
OldDblFltHandler=SetGlobalInt(0x08,(ULONG)LocalDblFltHandler);
}
UnmaskIrqs();
LEAVE_FUNC();
}
//*************************************************************************
// DeInstallDblFltHook()
//
//*************************************************************************
void DeInstallDblFltHook(void)
{
ENTER_FUNC();
MaskIrqs();
if(OldDblFltHandler)
{
RemoveAllSWBreakpoints(TRUE);
SetGlobalInt(0x08,(ULONG)OldDblFltHandler);
OldDblFltHandler=0;
}
UnmaskIrqs();
LEAVE_FUNC();
}
// EOF