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Modify _spinlock_lock

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songyanguang 2024-12-26 09:59:09 +08:00
parent 3154da5ec6
commit beef098836
1 changed files with 1 additions and 1 deletions
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Ubiquitous/XiZi_AIoT/hardkernel/intr/riscv/rv64gc/hard_spinlock.S
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@ -64,7 +64,7 @@ _spinlock_lock:
li a2, UNLOCKED li a2, UNLOCKED
1: 1:
lr.w a3, (a0) lr.w a3, (a0)
beq a3, a1, 1b bne a3, a2, 1b
sc.w a4, a1, (a0) sc.w a4, a1, (a0)
bnez a4, 1b bnez a4, 1b
ret ret