[openfirmware] r1316 - ofw/core
svn at openfirmware.info
svn at openfirmware.info
Fri Aug 21 11:28:53 CEST 2009
Author: wmb
Date: 2009-08-21 11:28:53 +0200 (Fri, 21 Aug 2009)
New Revision: 1316
Modified:
ofw/core/bootparm.fth
Log:
New "last" devalias reports the device name of the device that
was last used for load/boot. It's useful in e.g. /boot/olpc.fth
for chaining to a file on the same device.
Modified: ofw/core/bootparm.fth
===================================================================
--- ofw/core/bootparm.fth 2009-08-21 09:27:16 UTC (rev 1315)
+++ ofw/core/bootparm.fth 2009-08-21 09:28:53 UTC (rev 1316)
@@ -95,6 +95,13 @@
then
;
+: make-last-alias ( adr len -- )
+ [char] \ left-parse-string 2nip ( dev$ )
+ dup 0= if 2drop exit then ( dev$ )
+ 2dup + 1- c@ [char] : = if 1- then ( dev$' )
+ " last" 2swap $devalias ( )
+;
+
: (boot-read) ( adr len -- )
opened-ih if ( adr len )
2drop opened-ih 0 to opened-ih ( ihandle )
@@ -105,7 +112,9 @@
( print-probe-list )
true abort" "r"nCan't open boot device"r"n"
then ( fileid )
- dup ihandle>devname limit-1023 load-path place-cstr drop ( fileid )
+ dup ihandle>devname ( fileid path$ )
+ 2dup make-last-alias ( fileid path$ )
+ limit-1023 load-path place-cstr drop ( fileid )
>r ( )
load-started
0 !load-size load-base ( load-adr )
More information about the openfirmware
mailing list