300H

Current Status

eCos v2.0alpha is include H8/300H support. ~~Public presentation of a patch was ended in connection with this.~~
The patch of the correction for which were not of use is exhibited.
The source code under development is in ecos-h8 project.
current status is

eCos Kernel and Example Program is running.
RedBoot is running. ~~but uClinux kernel not running~~ uClinux is running.
Network Support. (RTL8019AS)

problem(not fixed)

libm not supported.

Patches

If rejected, it will correct personally.

ecos-h8-020602.diff.gz
patch of the correction problem and added function.
gcc-h8-fix.diff
gcc configraion and cpp problem fixed.
gdb-020303.diff.gz
gdb Internal Peripheral Support Added.

Compiler

Required h8300-hitachi-elf Target. Can't Compiled h8300-hitachi-hms target.
Required information will be offered if you want to make it correspond to h8300-hitachihms.

but h8300-hitachi-elf target of not support from gcc-3.0.4/binutils-2.11.2.
Using Snapshot/CVS Heading Version.

gcc-3.1/binutils-2.12 Released. Used here.

My used.

h8300-hitachi-elf-gcc (GCC) 3.1
GNU assembler 2.12
GNU ld version 2.12

and GCC are some problems.

sizeof(long long) of 4byte
Requeired 8byte variable of eCos
~~cpp -MD option Specification changed?~~
~~use -MD to no preprocess output~~
20020325 ver. fixed.
extern re-declication problem?
See GCC PR #6074

The patch which corrects a problem was created.

Build eCos/RedBoot

eCos 2.0 include H8/300H patches. build method for please refer to the document of eCos.

H8 Support Patch to CVS Current Source Please apply.
Added target of h8300h_sim (2002/04/10)Added target of aki3068net

Operation by the simulator is checked. RedBoot Operation H8/3068F Target Checked.

ToDo

A future schedule.

~~Added gdb_stub support.~~
~~Added Network support.~~
~~Added AKI-3068 Board Support.~~
eCos kernel tunnig.
Marged eCos CVS.

CPU Target addition is planned H8S. But other CPU Target for not plan.

Working Diary

It is a diary under porting work. It may sometimes update.
(Language is Japanese) Read

Update History

March 25, 2002	First public presentation.
March 27, 2002	Filename Typo fixed. GCC patch update.
March 28, 2002	GCC patch update. binutils-2.12 Comment Added. eCos patch update.
April 10, 2002	eCos patch update.
April 11, 2002	eCos patch update.
April 19, 2002	eCos patch update. Add Network Support.
April 26, 2002	eCos patch update. SCI Driver Append.
May 9, 2002	eCos patch update. WDT Driver Append. and GDB stub fixed.
May 21, 2002	GCC 3.1 Patch.
May 23, 2002	eCos patch removed.
Jun 2, 2002	eCos patch update.

Yosinori Sato

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