static void GoToRealMode( void *rm_func )
{
unsigned i;
PMData->rm_func = RM_OFF( rm_func );
if( IntrState == IS_DPMI ) {
for( i = 0; i < NUM_PM_SAVE_VECTS; ++i ) {
DPMISetPMInterruptVector( PMVectSaveList[i], SavePMVects[i] );
}
for( i = 0; i < NUM_PM_SAVE_EXCEPTS; ++i ) {
DPMISetPMExceptionVector( PMExceptSaveList[i], SavePMExcepts[i] );
}
DoRawSwitchToRM( RMData.segm.rm, offsetof( rm_data, stack ) + STACK_SIZE, RM_OFF( RawSwitchHandler ) );
for( i = 0; i < NUM_PM_SAVE_EXCEPTS; ++i ) {
SavePMExcepts[i] = DPMIGetPMExceptionVector(PMExceptSaveList[i]);
DPMISetPMExceptionVector( PMExceptSaveList[i], OrigPMExcepts[i] );
}
for( i = 0; i < NUM_PM_SAVE_VECTS; ++i ) {
SavePMVects[i] = DPMIGetPMInterruptVector( PMVectSaveList[i] );
DPMISetPMInterruptVector( PMVectSaveList[i], OrigPMVects[i] );
}
} else {
DoIntSwitchToRM();
}
}
void RestoreOrigVectors(void)
{
unsigned i;
unsigned old;
for( i = 0; i < NUM_PM_SAVE_EXCEPTS; ++i ) {
DPMISetPMExceptionVector( PMExceptSaveList[i], OrigPMExcepts[i] );
}
for( i = 0; i < NUM_PM_SAVE_VECTS; ++i ) {
DPMISetPMInterruptVector( PMVectSaveList[i], OrigPMVects[i] );
}
old = D32NullPtrCheck( 0 );
for( i = 0; i < NUM_VECTS; ++i ) {
MySetRMVector( i, PMData->orig_vects[i].s.segment, PMData->orig_vects[i].s.offset );
}
D32NullPtrCheck( old );
}
