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<hr><p align="left"><small>发信人: plato (纯真年代), 信区: Embedded <br>
标 题: linux for ppc chapter 8 <br>
发信站: BBS 水木清华站 (Wed May 30 23:14:27 2001) <br>
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8. ROM Monitor <br>
If you're using custom hardware, you'll need a ROM monitor to help bring it <br>
up. A monitor generally provides a simple command prompt, with options for r <br>
eading/writing memory and perhaps some power-on testing facilities which are <br>
useful before the kernel boots. <br>
ROM monitors invariably include boot loader functionality, but if your devic <br>
e goes into production you may want a standalone boot loader or a stripped-d <br>
own ROM monitor. There are several available on the net: <br>
8.1 PPCBOOT <br>
http://ppcboot.sourceforge.net/ <br>
This is an actively developed ROM monitor and Linux boot loader ideal for cu <br>
stom boards, derived from 8xxROM and FADSROM. It includes support for BOOTP, <br>
RARP and TFTP image downloading and booting. <br>
8.2 LiMon <br>
http://www.thinsys.com/limon.html/ <br>
The Linux Monitor (LiMon) is a low level system start utility for the SBC826 <br>
0. It also includes BOOTP and TFTP support. <br>
8.3 PMON/2000 <br>
http://pmon.groupbsd.org/ <br>
The PMON/2000 BootROM Monitor (PMON/2000) permits full-featured debugging to <br>
be performed on a target board that has a serial port, 512KB of ROM, and 12 <br>
8KB of RAM that can be dedicated to the Prom Monitor software. <br>
8.4 PPCForth <br>
http://ppcforth.sourceforge.net/ <br>
It is currently targeted for the IBM 403, 8xx is a goal for the future. It i <br>
s rom-able so you can boot directly from it, and has some ifdef's to slim th <br>
e code down to as little as 10K or as large as 30K. It accepts S records ove <br>
r the serial port for loading other software. Unfortunately it is written in <br>
assembly, but then it's really small and is released under the GPL. It is a <br>
small implementation of FORTH which is handy for testing and small programs <br>
, although the author went overboard and included multitasking and a lot of <br>
low-level device control words. <br>
8.5 DINK32 <br>
http://www.mot.com/SPS/PowerPC/teksupport/tools/DINK32/VERSION12/dinkindex.h <br>
tm <br>
8.6 8xxROM <br>
http://www.s4l.de/powerpc.html <br>
Derived from FADSROM. No longer actively developed, and only really of histo <br>
rical interest as it's superceeded by ppcboot. <br>
8.7 FADSROM <br>
An old ROM monitor and loader written for the FADS board: http://lists.linux <br>
ppc.org/listarcs/linuxppc-embedded/199912/msg00045.html <br>
It's now superceeded by ppcboot. <br>
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※ 来源:·BBS 水木清华站 smth.org·[FROM: 166.111.161.8] <br>
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