[coreboot] [PATCH] clarify << and -

Stefan Reinauer stepan at coresystems.de
Wed Apr 14 21:22:48 CEST 2010


On 4/14/10 6:44 PM, Myles Watson wrote:
>
>     Index: src/northbridge/amd/gx2/chipsetinit.c
>     ===================================================================
>     --- src/northbridge/amd/gx2/chipsetinit.c (revision 5425)
>     +++ src/northbridge/amd/gx2/chipsetinit.c (working copy)
>     @@ -275,7 +275,7 @@
>     if ((msr.lo&0xff) == 0x11)
>     return;
>
>     - totalmem = sizeram() << 20 - 1;
>     + totalmem = (sizeram() << 20) - 1;
>
> I agree that it looks right, but it changes the answer, since
> subtraction has a higher precedence than shift.
>
> I don't have a board to test which is right.  Did you check v3?
Nor do I...

v3 never supported gx2.

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