From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <200006281530.RAA30903@denx.local.net> To: Pei-Jie Hong cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: A question about head.S From: Wolfgang Denk Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: Your message of "Fri, 28 Apr 2000 16:29:46 +0200." <3909A05A.E1901D52@cern.ch> Date: Wed, 28 Jun 2000 17:30:03 +0200 Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: In message <3909A05A.E1901D52@cern.ch> you wrote: > > In arch/ppc/kernel/head.S, there are lines looks like > bne 4f or b 5f, I know they are branch instructions, but what > about 4f or 5f. Are they the relative length? and what is the unit, > I mean if 4f is a number , is it number of instructions or number > of bytes or words? You will also see labels "4:" and "5:" etc. in the text. "4f" means "label 4 searching forward", while "5b" means "label 5 seaching backwards". Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de Heavier than air flying machines are impossible. -- Lord Kelvin, President, Royal Society, c. 1895 ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/