Messages in this thread | | | Date | Sat, 23 Feb 2008 00:44:49 -0800 | From | "Yinghai Lu" <> | Subject | Re: [Q] x86 - boot/header.S |
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On Sat, Feb 23, 2008 at 12:20 AM, Cyrill Gorcunov <gorcunov@gmail.com> wrote: > Hi Peter, Sam, > > could you take a look on x86/boot/header.S:280 please? > > # Zero the bss > movw $__bss_start, %di > movw $_end+3, %cx > xorl %eax, %eax > subw %di, %cx > shrw $2, %cx > rep; stosl > > I wonder why is $_end there instead of $__bss_stop? > Well, accroding to vmlinux_32.lsd both _end and __bss_stop > are the same BUT __bss_stop is more convenient methink. > Would it be usefull to change?
we should have head32.c like head64.c and x86_32_start_kernel.
Eric's patch long time ago...
YH
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