A Simple operation System using S3C2410: drivers/interrupt/interrupt.c Source File

00001 /******************************************************
00002 * Function: s3c2440 interrupt driver
00003 *
00004 * File:   interrupt.c
00005 * Author: Book Chen
00006 * Date:   2008.07.18
00007 *******************************************************
00008 */
00009 #include "includes.h"
00010 
00011 INTERRUPT_CONTROL InterruptCtrl;
00012 
00013 void F_InterruptInitial(void);
00014 void F_InterruptIrqEnable(INT32U Bit);
00015 void F_InterruptIrqDisable(INT32U Bit);
00016 void F_InterruptSubIrqEnable(INT32U Bit);
00017 void F_InterruptSubIrqDisable(INT32U Bit);
00018 
00019 void F_InterruptInitial(void){
00020     rSRCPND=0x00000000;
00021     rINTMOD=0x00000000;
00022     rINTMSK=0xffffffff;
00023     rPRIORITY=0x7f;
00024     rPRIORITY=0x00;
00025     rINTPND=0x00000000;
00026     rINTOFFSET=0x00000000;
00027     rSUBSRCPND=0x00000000;
00028     rINTSUBMSK=0x00007fff;
00029 }
00030 void F_InterruptIrqEnable(INT32U Bit){
00031     rINTMSK&=~(Bit);
00032 }
00033 void F_InterruptIrqDisable(INT32U Bit){
00034     rINTMSK|=Bit;
00035 }
00036 void F_InterruptSubIrqEnable(INT32U Bit){      
00037     rINTSUBMSK&=~(Bit);
00038 }
00039 void F_InterruptSubIrqDisable(INT32U Bit){      
00040     rINTSUBMSK|=Bit;
00041 }