From acbfd58e8a1f24ef644a90a90825c3f435b990f5 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Thu, 18 Nov 2010 14:39:24 +1100 Subject: [PATCH] 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: Albert Cahalan Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/boot/div64.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/boot/div64.S b/arch/powerpc/boot/div64.S index 722f360a32a9..d271ab542673 100644 --- a/arch/powerpc/boot/div64.S +++ b/arch/powerpc/boot/div64.S @@ -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 -- 2.20.1