_csl_intcintrendisres.asm

Dm6455 driver,magbe useful to you!

;/*****************************************************************************
; *  Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005   
; *  
; *  Use of this software is controlled by the terms and conditions found in the
; *  license agreement under which this software has been supplied.             
; *****************************************************************************/

;/** @file _csl_intcIntrEnDisRes.asm
; *
; *  @date 12th June, 2004
; *  @author Ruchika Kharwar
; */
    ; A0 contains the Register to be read 
_CSL_INTC_GIE_MASK .equ 0x00000001
_CSL_INTC_GIE_MASK_DISABLE .equ 0xfffffffe
_CSL_INTC_GEE .equ 4h   
_CSL_INTC_XEN .equ 8h   
    
    .ref __CSL_intcVectorTable
    .sect  ".text:csl_section:intc"
    .global __CSL_intcIvpSet
__CSL_intcIvpSet:
    bnop b3,2
    mvkl __CSL_intcVectorTable, b0
    mvkh __CSL_intcVectorTable, b0
    mvc b0, istp

    .global _CSL_intcInterruptEnable
_CSL_intcInterruptEnable:
    ;input argument is in a4
    ;return value is in a4
    bnop b3, 1
    mvk   1, a5
    mvc ier, b0
    ||shl  a5, a4, a5 ; Or mask obtained
    shru b0, a5, a4 ; return value obtained
    ||or   a5, b0, b0
    mvc  b0, ier
    ||and a4,1,a4
   
    .global _CSL_intcInterruptDisable
_CSL_intcInterruptDisable:
    ;input argument is in a4
    ;return value is in a4
    bnop b3, 1
    mvk   1, a5
    mvc ier, b0
    ||shl  a5, a4, a5 ; Or mask obtained
    shru b0, a4, a4 ; return value obtained
    ||andn  b0, a5, b0
    mvc  b0, ier
    ||and a4,1,a4
  
    .global _CSL_intcInterruptClear
_CSL_intcInterruptClear:
    ;input argument is in a4
    bnop b3, 1
    mv   a4,b2
    mvk   1, b1
    shl  b1, b2, b1 ; Or mask obtained
    mvc  b1, icr
   
   .global _CSL_intcInterruptSet
_CSL_intcInterruptSet:
    bnop b3, 1
    mv   a4,b2
    mvk   1, b1
    shl  b1, b2, b1 ; Or mask obtained
    mvc  b1, isr   
                       
   .global _CSL_intcInterruptRestore
_CSL_intcInterruptRestore:
    ;a4 contains the vectorId
    ;b4 contains the value to be restored
    b b3
    mv a4,b1
    shl .s2 b4,b1,b4
    mvc ier,b0
    or b0,b4,b0
    mvc b0,ier

    .global _CSL_intcQueryInterruptStatus           
_CSL_intcQueryInterruptStatus:
    b b3
    mvk 1, b1
    mvc ifr, b0
    shl b1, a4,a5
    and a5,b0,a5
    shru a5,a4,a4   
    
    .global _CSL_intcGlobalEnable
_CSL_intcGlobalEnable:
    bnop b3
    mv a4,a0
    ||mvc csr, b0
    and b0 , _CSL_INTC_GIE_MASK, a3
 [a0]  stnw a3 , *a0
    ||or  b0 , _CSL_INTC_GIE_MASK, b0   
    mvc b0 , csr
    mvk 1, a4

    ; CSL_Status = CSL_SOK
    .global _CSL_intcGlobalDisable
_CSL_intcGlobalDisable: 
    bnop b3
    mv a4,a0
    ||mvc csr, b0
    and b0 , 1, a3
 [a0]stnw a3 , *a0
    ||and  b0 , _CSL_INTC_GIE_MASK_DISABLE, b0  
    mvc b0 , csr
    mvk 1, a4
    
    .global _CSL_intcGlobalRestore
_CSL_intcGlobalRestore: 
    bnop b3
    mvc csr, b0
    and a4, _CSL_INTC_GIE_MASK, b1
    or b1, b0,b0
    mvk 1, a4 ; CSL_Status 
    mvc b0 , csr    
        
    .global _CSL_intcGlobalNmiEnable           
_CSL_intcGlobalNmiEnable:
    bnop b3, 1
    mvc ier, b0
    or 2, b0, b0
    mvc b0, ier
    mvk 1, a4
    
    .global _CSL_intcGlobalExcepEnable
_CSL_intcGlobalExcepEnable:
    bnop b3, 1
    mvc tsr, b0
    or _CSL_INTC_GEE, b0, b0
    mvc b0, tsr
    mvk 1, a4


    .global _CSL_intcGlobalExtExcepEnable
_CSL_intcGlobalExtExcepEnable:
    bnop b3, 1
    mvc tsr, b0
    or _CSL_INTC_XEN, b0, b0
    mvc b0, tsr
    mvk 1, a4
    
    .global _CSL_intcGlobalExcepClear
_CSL_intcGlobalExcepClear:
    b b3
    mvk 1, a3
    shl a3, a4, a3
    mv a3, b2
    mvc b2, ecr
    mvk 1, a4