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a question about doing an opcodes port
- From: =?gb2312?B?uagg1LTIqg==?= <source_kong at hotmail dot com>
- To: cgen at sources dot redhat dot com
- Date: Mon, 26 Aug 2002 15:21:53 +0800
- Subject: a question about doing an opcodes port
- Bcc:
Dear Mr Ben,
When I was doing an opcodes port using CGEN following the
manual:(http://sources.redhat.com/cgen/docs-1.0/cgen_5.html#SEC163)
1.Run guile.
2.(load "dev.scm"). This loads in a set of interactive development
routines.
3.(load-opc). Load the opcodes support.
4.Edit your `cpu/<arch>.cpu' and `cpu/<arch>.opc' files.
The `.cpu' file is the main description file.
The `.opc' file provides additional C support code.
5.(cload #:arch "cpu/<arch>")
6.Run each of:
(cgen-desc.h)
(cgen-desc.c)
(cgen-opc.h)
(cgen-opc.c)
(cgen-ibld.in)
(cgen-asm.in)
(cgen-dis.in)
(cgen-opinst.c) -- [optional]
7.Repeat steps 4, 5 and 6 until the output looks reasonable.
8.Add dependencies to `opcodes/Makefile.am' to generate the eight opcodes
files (use the M32R port as an example).
9.Run make dep from the `opcodes' build directory.
10.Run make all-opcodes from the top level build directory
I had the following questions:
What is the directory "opcodes" in step 8, does it refer to the opcodes
directory in the binutils(I have downloaded binutils-2.12 from the gnu
ftp)package?
What does "Add dependencies to "opcodes/Makefile.am" mean?
What are the eight opcodes files?
In what directory should I run the make instruction in step 9 and 10?
By the way, could you please give me an explanation about port?
Thanks for your help!
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