interrupt.c

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/******************************************************
* Function: s3c2440 interrupt driver
*
* File:   interrupt.c
* Author: Book Chen
* Date:   2008.07.18
*******************************************************
*/
#include "includes.h"

#define InterruptIdleState 0

INTERRUPT_CONTROL InterruptCtrl;

void F_InterruptInit(void);
void F_InterruptSvc(void);
void F_InterruptIrqEnable(INT32U Bit);
void F_InterruptIrqDisable(INT32U Bit);
void F_InterruptSubIrqEnable(INT32U Bit);
void F_InterruptSubIrqDisable(INT32U Bit);

void F_InterruptInit(void){
    InterruptCtrl.pIntRegister=(INTERRUPT_REGISTER *)0x4a000000;
    InterruptCtrl.pIntRegister->SRCPND=0x00000000;
    InterruptCtrl.pIntRegister->INTMOD=0x00000000;    
    InterruptCtrl.pIntRegister->INTMSK=0xffffffff;        
    //InterruptCtrl.pIntRegister->PRIORITY=0x7f;   
    InterruptCtrl.pIntRegister->PRIORITY=0x00;    
    InterruptCtrl.pIntRegister->INTPND=0x00000000;       
    InterruptCtrl.pIntRegister->INTOFFSET=0x00000000;       
    InterruptCtrl.pIntRegister->SUBSRCPND=0x00000000;      
    InterruptCtrl.pIntRegister->INTSUBMSK=0x00007fff;
    InterruptCtrl.State=InterruptIdleState;
}
void F_InterruptSvc(void){}
void F_InterruptIrqEnable(INT32U Bit){
    InterruptCtrl.pIntRegister->INTMSK&=~(Bit);
}
void F_InterruptIrqDisable(INT32U Bit){
    InterruptCtrl.pIntRegister->INTMSK|=Bit;
}
void F_InterruptSubIrqEnable(INT32U Bit){      
    InterruptCtrl.pIntRegister->INTSUBMSK&=~(Bit);
}
void F_InterruptSubIrqDisable(INT32U Bit){      
    InterruptCtrl.pIntRegister->INTSUBMSK|=Bit;
}