新聞中心

uC/OSII移植步驟

作者: 時(shí)間:2016-10-08 來源:網(wǎng)絡(luò) 收藏
; SAVE TASK'S CONTEXT ONTO TASK'S STACK
STMFDSP!, {R2}; Push task's Return PC
STMFDSP!, {LR}; Push task's LR
STMFDSP!, {R4-R12}; Push task's R12-R4
LDMFDR1!, {R4-R6}; Move task's R1-R3 from FIQ stack to SVC stack
STMFDSP!, {R4-R6}
STMFDSP!, {R0}; Push task's R0onto task's stack
STMFDSP!, {R3}; Push task's CPSR (i.e. FIQ's SPSR)


關(guān)鍵詞:

評(píng)論


相關(guān)推薦

技術(shù)專區(qū)

關(guān)閉