📄 os_core.src
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; .\OS_CORE.SRC generated from: OS_CORE.C
; COMPILER INVOKED BY:
; D:\Program Files\Keil750A\C51\BIN\C51.EXE OS_CORE.C DEBUG OBJECTEXTEND CODE SYMBOLS SRC(.\OS_CORE.SRC)
$NOMOD51
NAME OS_CORE
P0 DATA 080H
P1 DATA 090H
P2 DATA 0A0H
P3 DATA 0B0H
T0 BIT 0B0H.4
AC BIT 0D0H.6
T1 BIT 0B0H.5
T2 BIT 090H.0
EA BIT 0A8H.7
IE DATA 0A8H
EXF2 BIT 0C8H.6
RD BIT 0B0H.7
ES BIT 0A8H.4
IP DATA 0B8H
RI BIT 098H.0
INT0 BIT 0B0H.2
CY BIT 0D0H.7
TI BIT 098H.1
INT1 BIT 0B0H.3
RCAP2H DATA 0CBH
PS BIT 0B8H.4
SP DATA 081H
T2EX BIT 090H.1
OV BIT 0D0H.2
RCAP2L DATA 0CAH
C_T2 BIT 0C8H.1
WR BIT 0B0H.6
RCLK BIT 0C8H.5
TCLK BIT 0C8H.4
SBUF DATA 099H
PCON DATA 087H
SCON DATA 098H
TMOD DATA 089H
TCON DATA 088H
IE0 BIT 088H.1
IE1 BIT 088H.3
B DATA 0F0H
CP_RL2 BIT 0C8H.0
ACC DATA 0E0H
ET0 BIT 0A8H.1
ET1 BIT 0A8H.3
TF0 BIT 088H.5
ET2 BIT 0A8H.5
TF1 BIT 088H.7
TF2 BIT 0C8H.7
RB8 BIT 098H.2
TH0 DATA 08CH
EX0 BIT 0A8H.0
IT0 BIT 088H.0
TH1 DATA 08DH
TB8 BIT 098H.3
EX1 BIT 0A8H.2
IT1 BIT 088H.2
TH2 DATA 0CDH
P BIT 0D0H.0
SM0 BIT 098H.7
TL0 DATA 08AH
SM1 BIT 098H.6
TL1 DATA 08BH
SM2 BIT 098H.5
TL2 DATA 0CCH
PT0 BIT 0B8H.1
PT1 BIT 0B8H.3
RS0 BIT 0D0H.3
PT2 BIT 0B8H.5
TR0 BIT 088H.4
RS1 BIT 0D0H.4
TR1 BIT 088H.6
TR2 BIT 0C8H.2
PX0 BIT 0B8H.0
PX1 BIT 0B8H.2
DPH DATA 083H
DPL DATA 082H
EXEN2 BIT 0C8H.3
REN BIT 098H.4
T2CON DATA 0C8H
RXD BIT 0B0H.0
TXD BIT 0B0H.1
F0 BIT 0D0H.5
PSW DATA 0D0H
?PR?OSInit?OS_CORE SEGMENT CODE
?PR?_os_sys_init?OS_CORE SEGMENT CODE
?DT?_os_sys_init?OS_CORE SEGMENT DATA OVERLAYABLE
?PR?_os_tsk_create_user?OS_CORE SEGMENT CODE
?DT?_os_tsk_create_user?OS_CORE SEGMENT DATA OVERLAYABLE
?PR?OSIntExit?OS_CORE SEGMENT CODE
?DT?OSIntExit?OS_CORE SEGMENT DATA OVERLAYABLE
?PR?OSTimeTick?OS_CORE SEGMENT CODE
?PR?OSFindNextRunningTask?OS_CORE SEGMENT CODE
?PR?_os_dly_wait?OS_CORE SEGMENT CODE
?PR?_OSTaskSuspend?OS_CORE SEGMENT CODE
?PR?_OSTaskResume?OS_CORE SEGMENT CODE
?CO?OS_CORE SEGMENT CODE
?DT?OS_CORE SEGMENT DATA
?XD?OS_CORE SEGMENT XDATA
EXTRN IDATA (STACK)
EXTRN CODE (?C?MEMSET)
EXTRN CODE (?C?ICALL)
EXTRN CODE (?C?COPY)
PUBLIC OSRdyTbl
PUBLIC gStack
PUBLIC Tasks_TCB
PUBLIC OSCurrentTaskID
PUBLIC OSTsakStackBotton
PUBLIC taskMAX_stack
PUBLIC OS_IRQ_Sum
PUBLIC OSRdyGrp
PUBLIC OSUnMapTbl
PUBLIC OSMapTbl
PUBLIC _OSTaskResume
PUBLIC _OSTaskSuspend
PUBLIC _os_dly_wait
PUBLIC OSFindNextRunningTask
PUBLIC OSTimeTick
PUBLIC OSIntExit
PUBLIC ?_os_tsk_create_user?BYTE
PUBLIC _os_tsk_create_user
PUBLIC _os_sys_init
PUBLIC OSInit
RSEG ?DT?_os_sys_init?OS_CORE
?_os_sys_init?BYTE:
task?141: DS 3
ORG 3
pstack?142: DS 2
RSEG ?DT?OSIntExit?OS_CORE
?OSIntExit?BYTE:
stack_bottom?350: DS 1
old_addr?352: DS 2
old_taskid?353: DS 1
RSEG ?DT?_os_tsk_create_user?OS_CORE
?_os_tsk_create_user?BYTE:
task?244: DS 3
prio?245: DS 1
stk?246: DS 3
size?247: DS 2
ORG 9
pstack?248: DS 2
RSEG ?DT?OS_CORE
OSRdyGrp: DS 1
OS_IRQ_Sum: DS 1
OSTsakStackBotton: DS 7
OSCurrentTaskID: DS 1
Tasks_TCB: DS 65
gStack: DS 1
OSRdyTbl: DS 1
RSEG ?XD?OS_CORE
taskMAX_stack: DS 24
RSEG ?CO?OS_CORE
OSMapTbl:
DB 001H
DB 002H
DB 004H
DB 008H
DB 010H
DB 020H
DB 040H
DB 080H
DB 000H
OSUnMapTbl:
DB 000H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 005H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 006H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 005H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 007H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 005H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 006H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 005H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 004H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
DB 003H
DB 000H
DB 001H
DB 000H
DB 002H
DB 000H
DB 001H
DB 000H
; #include "include.h"
;
; #define DEBUG
; #define OS_TASK_SWITCH
;
; extern uint8 idata STACK[1];
; //堆栈首地址
; uint8 data gStack;
;
; //当前任务号
; uint8 data OSCurrentTaskID;
;
; //下一个任务号
; //uint8 data OSNextTaskID;
;
;
; uint8 const OSMapTbl[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00};
; uint8 data OSTsakStackBotton[OS_MAX_TASKS + 2]; // 任务堆栈底部位置
; uint8 data OS_IRQ_Sum;//中断计数器
;
; uint8 xdata taskMAX_stack[24];
;
; uint8 code OSUnMapTbl[] = {
; 0, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x00 to 0x0F */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x10 to 0x1F */
; 5, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x20 to 0x2F */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x30 to 0x3F */
; 6, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x40 to 0x4F */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x50 to 0x5F */
; 5, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x60 to 0x6F */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x70 to 0x7F */
; 7, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x80 to 0x8F */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0x90 to 0x9F */
; 5, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0xA0 to 0xAF */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0xB0 to 0xBF */
; 6, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0xC0 to 0xCF */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0xD0 to 0xDF */
; 5, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, /* 0xE0 to 0xEF */
; 4, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0 /* 0xF0 to 0xFF */
; };
; // 上面256的表可以简化为16*2的表，查表麻烦点，不过说不定最后占用代码空间更大
; // 0, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, //0Xx0 0Xx1 0Xx2 0Xx3....0XxE 0XxF
; // 0, 4, 5, 4, 6, 4, 5, 4, 7, 4, 5, 4, 6, 4, 5, 4, //0X00 0X10 0X20 0X30....0XE0 0XF0
;
; uint8 data OSRdyGrp; // Ready list group
; uint8 data OSRdyTbl[OS_RDY_TBL_SIZE]; // Table of tasks which are ready to run
;
; OS_TCB data Tasks_TCB[OS_MAX_TASKS];
;
; extern void Push_Reg (void);
; extern void Pop_Reg (void);
;
;
;
; //系统开始运行时任务表初始化
; //void OSCPUInit(void) SMALL
; //{uint8 i;
; //
; //}
;
; //功能描述: 系统开始运行时初始化
; void OSInit(void) SMALL
RSEG ?PR?OSInit?OS_CORE
OSInit:
USING 0
; SOURCE LINE # 62
; {uint8 i;
;
; gStack=STACK-2; //堆栈的首地址
; SOURCE LINE # 65
MOV gStack,#LOW (STACK+0FFFEH)
; OS_IRQ_Sum = 0;
; SOURCE LINE # 66
CLR A
MOV OS_IRQ_Sum,A
;
; OSRdyGrp=0;//就绪组标志
; SOURCE LINE # 68
MOV OSRdyGrp,A
; memset(OSRdyTbl, 0, OS_RDY_TBL_SIZE);///就绪组内标志
; SOURCE LINE # 69
MOV R6,A
MOV R7,#01H
MOV R5,A
MOV R3,A
MOV R2,#HIGH (OSRdyTbl)
MOV R1,#LOW (OSRdyTbl)
LCALL ?C?MEMSET
;
; OSCurrentTaskID = OS_MAX_TASKS-1;//当前任务为系统任务
; SOURCE LINE # 71
MOV OSCurrentTaskID,#04H
;
; //OSCPUInit();//初始化任务表
; for (i = 0; i < OS_MAX_TASKS; i++)
; SOURCE LINE # 74
;---- Variable 'i?040' assigned to Register 'R7' ----
CLR A
MOV R7,A
?C0001:
; {
; SOURCE LINE # 75
; Tasks_TCB[i].pTask = 0; // Load Stack pointer in TCB
; SOURCE LINE # 76
MOV A,R7
MOV B,#0DH
MUL AB
ADD A,#LOW (Tasks_TCB)
MOV R0,A
MOV @R0,#00H
INC R0
MOV @R0,#00H
INC R0
MOV @R0,#00H
; //Tasks_TCB[i].OSTCBPrio = i; // Load task priority into TCB
; Tasks_TCB[i].OSTCBStat = OS_STAT_RDY; // Task is ready to run
; SOURCE LINE # 78
MOV A,R7
MOV B,#0DH
MUL AB
ADD A,#LOW (Tasks_TCB+05H)
MOV R0,A
CLR A
MOV @R0,A
; Tasks_TCB[i].OSTCBDly = 0; //Task is not delayed
; SOURCE LINE # 79
MOV A,R7
MOV B,#0DH
MUL AB
ADD A,#LOW (Tasks_TCB+03H)
MOV R0,A
CLR A
MOV @R0,A
INC R0
MOV @R0,A
; //Tasks_TCB[i].stk = stk;
; Tasks_TCB[i].size = 0;
; SOURCE LINE # 81
MOV A,R7
MOV B,#0DH
MUL AB
ADD A,#LOW (Tasks_TCB+09H)
MOV R0,A
CLR A
MOV @R0,A
INC R0
MOV @R0,A
; Tasks_TCB[i].stk_used = 0;
; SOURCE LINE # 82
MOV A,R7
MOV B,#0DH
MUL AB
ADD A,#LOW (Tasks_TCB+0BH)
MOV R0,A
CLR A
MOV @R0,A
INC R0
MOV @R0,A
; }
; SOURCE LINE # 83
INC R7
CJNE R7,#05H,?C0001
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