nios2: fix cached mode in clearing the BSS

As the generic board runs in cached mode, it should not use
"stwio" which bypass the cache.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Chin Liang See <clsee@altera.com>
master
Thomas Chou 9 years ago
parent 65af9f6971
commit 9208d7eba1
  1. 2
      arch/nios2/cpu/start.S

@ -158,7 +158,7 @@ relocate_code:
ori r6, r6, %lo(__bss_end)
beq r5, r6, 5f
4: stwio r0, 0(r5)
4: stw r0, 0(r5)
addi r5, r5, 4
bne r5, r6, 4b
5:

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