powerpc: Fix div64 in bootloader

The code is missing a fix that went into the main kernel variant
(we should try to share that code again at some stage)
Reported-by: default avatarAlbert Cahalan <acahalan@gmail.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 7957f0a8
......@@ -33,9 +33,10 @@ __div64_32:
cntlzw r0,r5 # we are shifting the dividend right
li r10,-1 # to make it < 2^32, and shifting
srw r10,r10,r0 # the divisor right the same amount,
add r9,r4,r10 # rounding up (so the estimate cannot
addc r9,r4,r10 # rounding up (so the estimate cannot
andc r11,r6,r10 # ever be too large, only too small)
andc r9,r9,r10
addze r9,r9
or r11,r5,r11
rotlw r9,r9,r0
rotlw r11,r11,r0
......
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