dev.h62

SEED的VPM642测试程序-板级支持库

;
;  Copyright 2003 by Texas Instruments Incorporated.
;  All rights reserved. Property of Texas Instruments Incorporated.
;  Restricted rights to use, duplicate or disclose this code are
;  granted through contract.
;  
;
; "@(#) DSP/BIOS 4.90.270 12-18-03 (barracuda-o04)"
;
;  ======== dev.h62 ========
;
;

	.if ($isdefed("DEV_") = 0)  ; prevent multiple includes of this file
DEV_	.set	1

	.include std.h62
	.include obj.h62
DEV_SIOTYPE		.set    0
DEV_IOMTYPE		.set    1
DEV_OTHERTYPE		.set    2

	.asg	8, DEV_FRAMESIZE
	.asg	6, DEV_DEVSIZE

	.eval OBJ_HDRSIZE + DEV_DEVSIZE, DEV_ENTRYSIZE
;
;# ======== DEV_config ========
;  Static configuration of the DEV module
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
	.asg    "", DEV_config$regs
DEV_config	.macro 
	.asg	0,	DEV$initCount
	.endm

;
;# ======== DEV_Obj ========
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
	.asg    "", DEV_Obj$regs
DEV_Obj	.macro cflag, name, id
	.endm

;
;# ======== DEV_startup ========
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
	.asg    "", DEV_startup$regs
DEV_startup        .macro
	.endm

;
;# ======== DEV_init ========
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
        .asg    "", DEV_init$regs
DEV_init        .macro
	.if DEV$NUMDEVICES != 0

            .global     _DEV_init

	    mvkl	_DEV_init, a4
	    mvkh	_DEV_init, a4
            b           a4
            mvkl        devinit?, b3
            mvkh        devinit?, b3
            nop 3
devinit?:

	.endif

        .endm

;
;# ======== DEV_end ========
;  Invoked at the end of all other configuration declarations.
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
        .asg    "", DEV_end$regs
DEV_end .macro

;
;  We reserve uninitialized space for the initialization table
;  (_DEV_devinit). This is a table that contains pointers to all the
;  initialization routines for all the devices.
;

	.if (DEV$NUMDEVICES > 0)	; expand only if devices are configured.

	.global	_DEV_devinit
	.global	_DEV_D_devinit		; init pointer to _DEV_devinit

	.bss	_DEV_devinit, DEV$initCount * STD_TARGWORDMAUS, STD_TARGWORDMAUS
	.bss	_DEV_D_devinit, 1 * STD_TARGWORDMAUS, STD_TARGWORDMAUS

	.sect	".cinit"
	.align	STD_TARGALIGN
	.word	1 * STD_TARGWORDMAUS
	.word	_DEV_D_devinit
	.word	_DEV_devinit

;
; __DEV_NUMINITFXNS keeps track of the number of initialization routines for
; device drivers that need to be called at initialization.
;
	.global __DEV_NUMINITFXNS
	.global	__DEV_D_NUMINITFXNS	; init pointer to DEV_NUMINITFXNS

	.bss	__DEV_NUMINITFXNS, 1 * STD_TARGWORDMAUS, STD_TARGWORDMAUS
	.bss	__DEV_D_NUMINITFXNS, 1 * STD_TARGWORDMAUS, STD_TARGWORDMAUS

	.sect	".cinit"
	.align	STD_TARGALIGN
	.word	1 * STD_TARGWORDMAUS
	.word	__DEV_NUMINITFXNS
	.word	DEV$initCount

	.align	STD_TARGALIGN
	.word	1 * STD_TARGWORDMAUS
	.word	__DEV_D_NUMINITFXNS
	.word	__DEV_NUMINITFXNS

	.endif		; .if (DEV$NUMDEVICES > 0)

        .endm

;
;# ======== DEV_addDevice ========
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
DEV_addDevice	.macro _name, _fxns, _devid, _params, _initfxn, _type, _hdev

	.global :_name:$obj
        .global :_name:$device 
:_name:$obj	.usect  ".devtable", DEV_ENTRYSIZE * STD_TARGWORDMAUS, STD_TARGWORDMAUS

:_name:$device .set :_name:$obj + (OBJ_HDRSIZE * STD_TARGWORDMAUS)

  ; :_name:$device points to begining of DEV_Device entry. Note that
  ; :_name: can't be used here because :_name: is a string already 
  ; allocated in const by Obj's that call this macro. 
  ; So :_name: cannot be redefined to point to this DEV_Device entry.

	.sect	".cinit"
	.align	STD_TARGALIGN
	.word   DEV_ENTRYSIZE * STD_TARGWORDMAUS
	.word   :_name:$obj

	OBJ_Obj :_name:$obj, OBJ_DEV, DEV_ENTRYSIZE	;Cinitialized 3 words 
	.word  :_name:
	.word  :_fxns:
	.word  :_devid:
	.word  :_params:
	.word  :_type:
	.word  :_hdev:

	;
	; Prevent multiple appearances of a driver Dxx_init function in the
	; _DEV_devinit table even when there are  multiple occurrences of
	; different devices for the same driver. DXX_init should be only called
	; once!
	;
	; Only add to _DEV_devinit real functions. Do not add 0's.
	.if ($isname(":_initfxn:") = 1)
	  .if ($isdefed("DEV$:_initfxn:") = 0)
DEV$:_initfxn:	.set	1

	    .global	:_initfxn:

	    .sect	".cinit"
	    .align	STD_TARGALIGN
	    .word	STD_TARGWORDMAUS
	    .word	_DEV_devinit + DEV$initCount * STD_TARGWORDMAUS
	    .word	:_initfxn:

	    ;
	    ; increment DEV$initCount for use by the next call of this macro and
	    ; DEV_end. DEV$initCount keep track of the size of _DEV_devinit.
	    ;
	    .eval	DEV$initCount+1,DEV$initCount

	  .endif	; endif ($isdefed(DEV$:_initfxn:) = 0)
	.endif		; endif ($isname(":_initfxn:") = 1)

	.endm

	.endif		; .if ($isdefed("DEV_") = 0)