From: Geoff Levand <geoffrey.levand@am.sony.com>
To: Lee HongWoo <hongwoo7@gmail.com>
Cc: Linuxppc-dev@lists.ozlabs.org
Subject: Re: Question about linux boot procedure (head_64.S)
Date: Tue, 1 Sep 2009 10:32:09 -0700 [thread overview]
Message-ID: <4A9D5A99.5030101@am.sony.com> (raw)
In-Reply-To: <5e2889710909010358v907022cs708dfc0dd3ed7fd0@mail.gmail.com>
On 09/01/2009 03:58 AM, Lee HongWoo wrote:
> __start (in head_64.S)
> ---> __start_initialization_multiplatform (in head_64.S)
> ---> __boot_from_prom (in head_64.S)
> ---> prom_init ( in prom_init.c)
> ---> __start ???
>
> And I don't understand where __start is called, because I can find __start
> only in head_64.S.
> If it calls __start in head_64.S, it's a recursive call.
>
> Can anybody explain about this precedure ?
In the general case, __start is the entry point of the kernel.
It is where the bootloader or boot wrapper program jumps to
when it transfers control to the kernel.
-Geoff
next prev parent reply other threads:[~2009-09-01 17:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-01 10:58 Question about linux boot procedure (head_64.S) Lee HongWoo
2009-09-01 17:32 ` Geoff Levand [this message]
2009-09-02 0:25 ` Lee HongWoo
2009-09-02 1:19 ` Geoff Levand
2009-09-02 0:47 ` Michael Ellerman
-- strict thread matches above, loose matches on Subject: below --
2009-09-01 11:27 Lee HongWoo
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