From: "Manfred Wölfel" <manfred.woelfel@web.de>
To: ecos-devel@sourceware.org
Subject: PPC40x port
Date: Fri, 19 May 2006 04:43:00 -0000 [thread overview]
Message-ID: <446D4CF5.607@web.de> (raw)
Hi,
I have a board with a PPC405 where the RAM does not start at 0 while
variant.inc assumes it starts at 0. For this reason I have written the
attached patch.
Manfred
------------------------------------------------------------------------
--- hal/powerpc/ppc40x/current/include/variant.inc 2006-05-19
06:33:04.000000000 +0200
+++ /tmp/6275-1-1-merge.txt 2006-05-19 06:32:08.000000000 +0200
@@ -150,7 +150,7 @@
# or we are starting in RAM and NOT using a ROM monitor,
# copy exception handler code to 0.
lwi r3,rom_vectors # r3 = rom start
- lwi r4,0 # r4 = ram start
+ lwi r4,CYGHWR_HAL_POWERPC_VECTOR_BASE # r4 = ram start
lwi r5,rom_vectors_end # r5 = rom end
cmplw r3,r5 # skip if no vectors
beq 2f
@@ -166,8 +166,8 @@
2:
#endif
- # Ensure that the vectors will come from 0x0000
- lwi r4,0
+ # Ensure that the vectors will come from
CYGHWR_HAL_POWERPC_VECTOR_BASE
+ lwi r4, CYGHWR_HAL_POWERPC_VECTOR_BASE
mtspr SPR_EVPR,r4
# Next initialize the VSR table. This happens whether the
@@ -199,8 +199,8 @@
.macro hal_mon_init
- # Ensure that the vectors will come from 0x0000
- lwi r4,0
+ # Ensure that the vectors will come from
CYGHWR_HAL_POWERPC_VECTOR_BASE
+ lwi r4,CYGHWR_HAL_POWERPC_VECTOR_BASE
mtspr SPR_EVPR,r4
lwi r3,cyg_hal_default_interrupt_vsr
reply other threads:[~2006-05-19 4:43 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=446D4CF5.607@web.de \
--to=manfred.woelfel@web.de \
--cc=ecos-devel@sourceware.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).