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Nicolas Pitre
6248a8fe4d
There is an overflow with the current code where a pmpaddr value of 0x1fffffff is decoded as sa=0 and ea=0 whereas it should be sa=0 and ea=0xffffffff. Fix that by simplifying the computation. There is in fact no need for ctz64() nor special case for -1 to achieve proper results. Signed-off-by: Nicolas Pitre <nico@fluxnic.net> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <rq81o86n-17ps-92no-p65o-79o88476266@syhkavp.arg> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>