📄 os_cpu_c.lst
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155 * Note(s) : 1) stack stored as following format
156
157 ; CONTENT START POSITION IN OSTCBStk
158 ; ---------- ----------------------
159 ; AR7
160 ; AR6
161 ; AR5
162 ; AR4
163 ; AR3
164 ; AR2
165 ; AR1
166 ; AR0
167 ; PSW
168 ; DPL
169 ; DPH
170 ; B
171 ; ACC
172 ; HARDWARE STACK CONTENT(NOT INCLUDE REGISTERS) 2+SmltStkSize
173 ; HARDWARE STACK SIZE(INCLUDE REGISTERS) 1+SmltStkSize
174 ; SIMULATED STACK CONTENT 1
175 ; ?C_IBP 0
176
177 *********************************************************************************************************
178 */
C51 COMPILER V7.06 OS_CPU_C 07/07/2005 22:40:45 PAGE 4
179 OS_STK *OSTaskStkInit (void (*task)(void *pd) reentrant, void *os_pdata, OS_STK *ptos, INT16U opt) reentr
-ant
180 {
181 1 OS_STK *stk;
182 1
183 1 os_pdata = os_pdata;
184 1 opt = opt; //opt没被用到，保留此语句防止告警产生
185 1
186 1 stk = (OS_STK *)ptos; //用户堆栈最低有效地址
187 1
188 1 *stk++ = 2 + 13; /* tow bytes of return address and 13 byte registers */
189 1 *stk++ = (INT16U)task & 0xFF; /* low byte of return address */
190 1 *stk++ = (INT16U)task >> 8; /* high byte of return address */
191 1 *stk++ = 0x0A; /* ACC */
192 1 *stk++ = 0x0B; /* B */
193 1 *stk++ = 0xD1; /* DPH */
194 1 *stk++ = 0xD0; /* DPL */
195 1 *stk++ = 0x00; /* PSW */
196 1 *stk++ = 0x00; /* R0 */
197 1 *stk++ = 0x01; /* R1 */
198 1 *stk++ = 0x02; /* R2 */
199 1 *stk++ = 0x03; /* R3 */
200 1 *stk++ = 0x04; /* R4 */
201 1 *stk++ = 0x05; /* R5 */
202 1 *stk++ = 0x06; /* R6 */
203 1 *stk++ = 0x07; /* R7 */
204 1
205 1 return ((void *)ptos);
206 1 }
207
208 /*$PAGE*/
209
210 /*
211 *********************************************************************************************************
212 * TASK SWITCH HOOK
213 *
214 * Description: This function is called when a task switch is performed. This allows you to perform other
215 * operations during a context switch.
216 *
217 * Arguments : none
218 *
219 * Note(s) : 1) Interrupts are disabled during this call.
220 * 2) It is assumed that the global pointer 'OSTCBHighRdy' points to the TCB of the task that
221 * will be 'switched in' (i.e. the highest priority task) and, 'OSTCBCur' points to the
222 * task being switched out (i.e. the preempted task).
223 *********************************************************************************************************
224 */
225 #if OS_CPU_HOOKS_EN > 0
226 void OSTaskSwHook (void) reentrant
227 {
228 1 }
229 #endif
230
231 /*
232 *********************************************************************************************************
233 * OSTCBInit() HOOK
234 *
235 * Description: This function is called by OS_TCBInit() after setting up most of the TCB.
236 *
237 * Arguments : ptcb is a pointer to the TCB of the task being created.
238 *
239 * Note(s) : 1) Interrupts may or may not be ENABLED during this call.
C51 COMPILER V7.06 OS_CPU_C 07/07/2005 22:40:45 PAGE 5
240 *********************************************************************************************************
241 */
242 #if OS_CPU_HOOKS_EN > 0 && OS_VERSION > 203
243 void OSTCBInitHook (OS_TCB *ptcb) reentrant
244 {
245 1 ptcb = ptcb; /* Prevent Compiler warning */
246 1 }
247 #endif
248
249
250 /*
251 *********************************************************************************************************
252 * TICK HOOK
253 *
254 * Description: This function is called every tick.
255 *
256 * Arguments : none
257 *
258 * Note(s) : 1) Interrupts may or may not be ENABLED during this call.
259 *********************************************************************************************************
260 */
261 #if OS_CPU_HOOKS_EN > 0
262 void OSTimeTickHook (void) reentrant
263 {
264 1 }
265 #endif
266
267
268 /*
269 *********************************************************************************************************
270 * 中断服务程序外挂
271 * NOTE : 注意:所有中断外挂都在临界区之外,用户可以自行控制进/退临界区
272 *********************************************************************************************************
273 */
274 #if OS_ISR_T1_EN > 0
void OSISR_T1HOOK (void) reentrant
{
/* 请在这里输入中断服务程序 */
}
#endif
280
281 #if OS_ISR_INT0_EN > 0
void OSISR_INT0HOOK (void) reentrant
{
/* 请在这里输入中断服务程序 */
}
#endif
287
288 #if OS_ISR_INT1_EN > 0
void OSISR_INT1HOOK (void) reentrant
{
/* 请在这里输入中断服务程序 */
}
#endif
294
295 #if OS_ISR_S0_EN > 0
296 void OSISR_S0HOOK (void) reentrant
297 {
298 1 /* 请在这里输入中断服务程序 */
299 1 }
300 #endif
C51 COMPILER V7.06 OS_CPU_C 07/07/2005 22:40:45 PAGE 6
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 498 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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