os_task.exp

ucOS 模拟环境

          .CPU        300
          .IMPORT     $sp_regsv$3
          .IMPORT     $spregld2$3
          .IMPORT     _OSCPUSaveSR
          .IMPORT     _OSCPURestoreSR
          .IMPORT     _OSRunning
          .IMPORT     _OSTaskCtr
          .IMPORT     _OSTCBPrioTbl
          .IMPORT     _OS_Sched
          .IMPORT     _OS_TCBInit
          .IMPORT     _OSTaskStkInit
          .EXPORT     _OSTaskCreate
          .SECTION    P,CODE,ALIGN=2
          .LINE       "E:\Study\ucOS-II\ucOS-II\ucOS kernel\Task\os_task.c",59
_OSTaskCreate:                          ; function: OSTaskCreate
          .STACK      _OSTaskCreate=16
          JSR         @$sp_regsv$3:16
          .LINE       60
          MOV.W       R0,R3
          MOV.W       R1,R4
          .LINE       73
          JSR         @_OSCPUSaveSR:16
          MOV.B       R0L,R5L
          .LINE       74
          MOV.B       @(15:16,SP),R6L
          SUB.B       R6H,R6H
          ADD.W       R6,R6
          MOV.W       @(_OSTCBPrioTbl:16,R6),R0
          BNE         L69
          .LINE       74
          .LINE       75
          MOV.W       #1,R0
          MOV.W       R0,@(_OSTCBPrioTbl:16,R6)
          .LINE       77
          MOV.B       R5L,R0L
          JSR         @_OSCPURestoreSR:16
          .LINE       78
          SUB.W       R5,R5
          PUSH.W      R5
          MOV.W       @(14:16,SP),R0
          PUSH.W      R0
          MOV.W       R4,R1
          MOV.W       R3,R0
          JSR         @_OSTaskStkInit:16
          ADDS.W      #2,SP
          ADDS.W      #2,SP
          .LINE       79
          SUB.W       R4,R4
          PUSH.W      R5
          PUSH.W      R4
          MOV.W       @L70+2:16,R1
          PUSH.W      R1
          MOV.W       @L70:16,R1
          PUSH.W      R1
          PUSH.W      R5
          PUSH.W      R4
          MOV.W       R0,R1
          MOV.B       @(27:16,SP),R0L
          JSR         @_OS_TCBInit:16
          MOV.W       #12,R1
          ADD.W       R1,SP
          MOV.B       R0L,R5L
          .LINE       80
          BNE         L71
          .LINE       80
          .LINE       81
          JSR         @_OSCPUSaveSR:16
          .LINE       82
          MOV.B       @_OSTaskCtr:16,R0H
          INC.B       R0H
          MOV.B       R0H,@_OSTaskCtr:16
          .LINE       83
          JSR         @_OSCPURestoreSR:16
          .LINE       84
          MOV.B       @_OSRunning:16,R0L
          CMP.B       #1,R0L
          BNE         L73
          .LINE       84
          .LINE       85
          JSR         @_OS_Sched:16
          BRA         L73
L71:                                     
          .LINE       87
          .LINE       88
          JSR         @_OSCPUSaveSR:16
          .LINE       89
          MOV.W       R4,@(_OSTCBPrioTbl:16,R6)
          .LINE       90
          JSR         @_OSCPURestoreSR:16
L73:                                     
          .LINE       92
          MOV.B       R5L,R0L
          BRA         L74
L69:                                     
          .LINE       94
          MOV.B       R5L,R0L
          JSR         @_OSCPURestoreSR:16
          .LINE       95
          MOV.B       #40,R0L
          .LINE       96
L74:                                     
          JMP         @$spregld2$3:16
          .SECTION    C,DATA,ALIGN=2
L70:
          .DATA.W     H'0000,H'0000
          .END