amisr_ssi.src

Wince4.2 BSP for SH4 engineering development board

;
;       Copyright (c) Renesas Technology Corp. 2001-2003  All Rights Reserved.
;
;       OEM Adaptation Layer
;
; ----------------------------------------------------------------------------
;
;   FILE      : AMISR_SSI.SRC
;   CREATED   : 2001. 7. 5
;   MODIFIED  : 2003.08.06
;   AUTHOR    : Renesas Technology Corp.
;   HARDWARE  : RENESAS US7751-HRP1xC (BigSur with HD64404, ITS-DS2A),
;               RENESAS HS7751RSTC01H (S1-E, ITS-DS5)
;   TARGET OS : Microsoft(R) Windows(R) CE .NET 4.2
;   NOTES     : 
;   FUNCTION  : Interrupt service routine for HD64404 Serial Sound Interface
;   HISTORY   :
;               2001. 7. 5
;               - Initially created.
;               2001.10.26
;               - Error avoidance process is added.
;               2002. 1.10
;               - Device include file is renamed to "HD64404.INC".
;               - Filename is changed to "AMISR_SSI.SRC".
;               2002. 5.30
;               - Changed to include platform-independent platform include
;                file "PLATFORM.INC".
;               2002. 9. 9
;               - Header style is changed and file information is added.
;				2002. 9.26
;				- Released


    .include "kxshx.h"
    .include "oalintr.inc"
    .include "platform.inc"
    .include "hd64404.inc"

SSI0_STATUS    .equ    (HD64404_REGBASE+HD64404_SSI0_OFFSET+4)
SSI1_STATUS    .equ    (HD64404_REGBASE+HD64404_SSI1_OFFSET+4)
SSI2_STATUS    .equ    (HD64404_REGBASE+HD64404_SSI2_OFFSET+4)
SSI3_STATUS    .equ    (HD64404_REGBASE+HD64404_SSI3_OFFSET+4)

    LEAF_ENTRY HD64404_SSI0ISR
    mov.l   #SSI0_STATUS, r0  ; Sets the address of status to R0
    mov.l   #0, r1
    mov.l   r1, @r0           ; Clear the status
    mov.l   @r0, r1           ; Dummy read
    rts
    mov     #SYSINTR_NOP, r0  ; Return nop
    ENTRY_END

    LEAF_ENTRY HD64404_SSI1ISR
    mov.l   #SSI1_STATUS, r0  ; Sets the address of status to R0
    mov.l   #0, r1
    mov.l   r1, @r0           ; Clear the status
    mov.l   @r0, r1           ; Dummy read
    rts
    mov     #SYSINTR_NOP, r0  ; Return nop
    ENTRY_END

    LEAF_ENTRY HD64404_SSI2ISR
    mov.l   #SSI2_STATUS, r0  ; Sets the address of status to R0
    mov.l   #0, r1
    mov.l   r1, @r0           ; Clear the status
    mov.l   @r0, r1           ; Dummy read
    rts
    mov     #SYSINTR_NOP, r0  ; Return nop
    ENTRY_END

    LEAF_ENTRY HD64404_SSI3ISR
    mov.l   #SSI3_STATUS, r0  ; Sets the address of status to R0
    mov.l   #0, r1
    mov.l   r1, @r0           ; Clear the status
    mov.l   @r0, r1           ; Dummy read
    rts
    mov     #SYSINTR_NOP, r0  ; Return nop
    ENTRY_END

    .end