From: Peter Belm <peterbelm@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Mips: start.S Questions
Date: Fri, 21 Aug 2009 12:34:29 +0100 [thread overview]
Message-ID: <574bb010908210434j5e3bcc4cqb96604c345f01046@mail.gmail.com> (raw)
I've figured out most of the boot process by following through the code, but
I have a few questions about start.S:
1. Calls to RVECENT and XVEVENT: what exactly do these do? RVECENT just
branches to the first parameter f, and does nothing with the second
parameter. Yet the first argument passed is romReserved which is defined:
> romReserved:
> b romReserved
Isn't that just an infinite loop?
2. What are these for?:
> #ifdef CONFIG_PURPLE
> /* 0xbfc00400 */
> .word 0xdc870000
> .word 0xfca70000
> .word 0x20840008....etc..
The rest seems pretty straightforward, just some processor specific things I
need to research.
--
Regards,
Peter Belm
next reply other threads:[~2009-08-21 11:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-21 11:34 Peter Belm [this message]
2009-08-21 12:40 ` [U-Boot] Mips: start.S Questions Detlev Zundel
2009-08-21 12:53 ` Peter Belm
2009-08-21 13:02 ` Detlev Zundel
2009-08-21 13:08 ` Peter Belm
2009-08-21 13:42 ` Detlev Zundel
2009-08-21 13:46 ` Peter Belm
2009-08-21 13:05 ` Chetan Nanda
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=574bb010908210434j5e3bcc4cqb96604c345f01046@mail.gmail.com \
--to=peterbelm@gmail.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.