timerctrl.asm

基于ti tms320c6713下MSBSP、EDMA 配置和简单FIR算法的一个例子

;******************************************************************************
;* TMS320C6x C/C++ Codegen                                    PC Version 4.32 *
;* Date/Time created: Thu May 29 11:48:35 2008                                *
;******************************************************************************

;******************************************************************************
;* GLOBAL FILE PARAMETERS                                                     *
;*                                                                            *
;*   Architecture      : TMS320C670x                                          *
;*   Optimization      : Enabled at level 3                                   *
;*   Optimizing for    : Speed                                                *
;*                       Based on options: -o3, no -ms                        *
;*   Endian            : Little                                               *
;*   Interrupt Thrshld : Disabled                                             *
;*   Memory Model      : Small                                                *
;*   Calls to RTS      : Near                                                 *
;*   Pipelining        : Enabled                                              *
;*   Speculative Load  : Disabled                                             *
;*   Memory Aliases    : Presume are aliases (pessimistic)                    *
;*   Debug Info        : No Debug Info                                        *
;*                                                                            *
;******************************************************************************

	.asg	A15, FP
	.asg	B14, DP
	.asg	B15, SP
	.global	$bss


	.sect	".cinit:c"
	.align	8
	.field  	(CIR - $) - 8, 32
	.field  	_hTimer+0,32
	.field  	0,32			; _hTimer @ 0

	.sect	".text"
	.global	_hTimer
_hTimer:	.usect	".bss:c",4,4
;	e:\ti\c6000\cgtools\bin\opt6x.exe -v6700 -q -s -O3 D:\DOCUME~1\davis\LOCALS~1\Temp\TI3016_2 D:\DOCUME~1\davis\LOCALS~1\Temp\TI3016_5 -w C:/c6713/Source Code/DSPSRC/Audiocfg_FIR/Release 

	.sect	".text"
	.global	_TIMER_Init

;******************************************************************************
;* FUNCTION NAME: _TIMER_Init                                                 *
;*                                                                            *
;*   Regs Modified     : A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,B0,B1,B2,B3,B4,B5,B6,  *
;*                           B7,B8,B9,SP                                      *
;*   Regs Used         : A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,B0,B1,B2,B3,B4,B5,B6,  *
;*                           B7,B8,B9,DP,SP                                   *
;*   Local Frame Size  : 0 Args + 0 Auto + 4 Save = 4 byte                    *
;******************************************************************************
_TIMER_Init:
;** --------------------------------------------------------------------------*
;** 80	-----------------------    hTimer = Y$0 = TIMER_open(0, 1u);
;** 270	-----------------------    gie = CSR&1u;  // [1]
;** 271	-----------------------    CSR = CSR&0xfffffffeu;  // [1]
;** 230	-----------------------    C$3 = Y$0->baseAddr;  // [6]
;** 230	-----------------------    x0 = *C$3;  // [6]
;** 231	-----------------------    C$3[1];  // [6]
;** 232	-----------------------    C$3[2];  // [6]
;** 276	-----------------------    CSR = CSR&0xfffffffeu|gie&1u;  // [2]
;** 188	-----------------------    base = C$3;  // [5]
;** 270	-----------------------    gie = CSR&1u;  // [1]
;** 271	-----------------------    CSR = CSR&0xfffffffeu;  // [1]
;** 197	-----------------------    *base = C$2 = 0u;  // [5]
;** 198	-----------------------    base[1] = 512u;  // [5]
;** 199	-----------------------    base[2] = C$2;  // [5]
;** 200	-----------------------    *base = (unsigned)x0&0xfc3fu|0x3c0u;  // [5]
;** 276	-----------------------    CSR = CSR&0xfffffffeu|gie&1u;  // [2]
;** 236	-----------------------    IER |= _IRQ_eventTable[Y$0->eventId];  // [0]
;** 87	-----------------------    return;
           MVKL    .S1     _TIMER_open,A0    ; |80| 
           MVKH    .S1     _TIMER_open,A0    ; |80| 
           CALL    .S2X    A0                ; |80| 
           STW     .D2T2   B3,*SP--(8)       ; |76| 
           MVKL    .S2     RL0,B3            ; |80| 
           MVK     .S2     0x1,B4            ; |80| 
           MVKH    .S2     RL0,B3            ; |80| 
           ZERO    .D1     A4                ; |80| 
RL0:       ; CALL OCCURS                     ; |80| 

           MVC     .S2     CSR,B4            ; |270| 
||         STW     .D2T1   A4,*+DP(_hTimer)  ; |80| 

           MVC     .S2     CSR,B5            ; |271| 
||         AND     .L2     1,B4,B4           ; |270| 

           AND     .S2     -2,B5,B5          ; |271| 
           MVC     .S2     B5,CSR            ; |271| 
           LDW     .D1T1   *+A4(8),A0        ; |230| 
           NOP             4
           LDW     .D1T1   *A0,A6            ; |230| 
           LDW     .D1T1   *+A0(4),A3        ; |231| 
           LDW     .D1T1   *+A0(8),A3        ; |232| 
           NOP             3
           MVC     .S2     CSR,B5            ; |276| 

           AND     .S2     1,B4,B4           ; |276| 
||         AND     .L2     -2,B5,B5          ; |276| 

           OR      .S2     B4,B5,B4          ; |276| 
           MVC     .S2     B4,CSR            ; |276| 
           MVC     .S2     CSR,B4            ; |270| 

           MVC     .S2     CSR,B5            ; |271| 
||         AND     .L2     1,B4,B4           ; |270| 

           AND     .S2     -2,B5,B5          ; |271| 
           MVC     .S2     B5,CSR            ; |271| 
           MVKL    .S1     0xfc3f,A5         ; |200| 

           ZERO    .D1     A3                ; |197| 
||         MVK     .S1     512,A7            ; |198| 

           MVKH    .S1     0xfc3f,A5         ; |200| 
||         STW     .D1T1   A3,*A0            ; |197| 

           STW     .D1T1   A7,*+A0(4)        ; |198| 
||         AND     .S1     A5,A6,A5          ; |200| 

           SET     .S1     A5,6,9,A3         ; |200| 
||         STW     .D1T1   A3,*+A0(8)        ; |199| 

           MVC     .S2     CSR,B5            ; |276| 
||         STW     .D1T1   A3,*A0            ; |200| 

           AND     .S2     -2,B5,B5          ; |276| 
||         AND     .L2     1,B4,B4           ; |276| 

           OR      .S2     B4,B5,B4          ; |276| 
           MVC     .S2     B4,CSR            ; |276| 
           LDW     .D1T2   *+A4(4),B5        ; |236| 
           MVKL    .S2     __IRQ_eventTable,B4 ; |236| 
           MVKH    .S2     __IRQ_eventTable,B4 ; |236| 
           NOP             2
           LDW     .D2T2   *+B4[B5],B5       ; |236| 
           NOP             3
           MVC     .S2     IER,B4            ; |236| 
           OR      .S2     B5,B4,B4          ; |236| 
           MVC     .S2     B4,IER            ; |236| 
           LDW     .D2T2   *++SP(8),B3       ; |88| 
           NOP             4
           RET     .S2     B3                ; |88| 
           NOP             5
           ; BRANCH OCCURS                   ; |88| 


;; Inlined function references:
;; [  0] IRQ_enable
;; [  1] IRQ_globalDisable
;; [  2] IRQ_globalRestore
;; [  5] TIMER_config
;; [  6] TIMER_getConfig
;******************************************************************************
;* MARK THE END OF THE SCALAR INIT RECORD IN CINIT:C                          *
;******************************************************************************

CIR:	.sect	".cinit:c"
;******************************************************************************
;* UNDEFINED EXTERNAL REFERENCES                                              *
;******************************************************************************
	.global	_TIMER_open
	.global	__IRQ_eventTable