uC/OSII移植步骤 作者: 时间:2016-10-08 来源:网络 加入技术交流群 扫码加入和技术大咖面对面交流海量资料库查询 收藏 SP, SP,#12; Adjust IRQ stack pointerSUBR2, LR,#4; Adjust PC for return address to taskMRSR3, SPSR; Copy SPSR (i.e. interrupted task's CPSR) to R3MSRCPSR_c, #(NO_INT | SVC32_MODE) ; Change to SVC mode; SAVE TASK'S CONTEXT ONTO TASK'S STACKSTMFDSP!, {R2}; Push task's Return PCSTMFDSP!, {LR}; Push task's LRSTMFDSP!, {R4-R12}; Push task's R12-R4LDMFDR1!, {R4-R6} 上一页 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 下一页
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