;In case of the wake-up from SLEEP mode, go to SLEEP_WAKEUP handler.
bne WAKEUP_SLEEP
EXPORT StartPointAfterSleepWakeUp
StartPointAfterSleepWakeUp
;Set memory control registers
;ldr r0,=SMRDATA
adrl r0, SMRDATA ;be careful!
ldr r1,=BWSCON ;BWSCON Address
add r2, r0, #52 ;End address of SMRD
这是代码里面的~startpointafterpoweroffwakeup是一个标号,啊南那本书《arm linux入门与实践》上写着在进入掉电前将把GSTATUS3=startpointafterpoweroffwakeup。