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Problem with hello ... entry point
- To: ecos-discuss at sources dot redhat dot com
- Subject: [ECOS] Problem with hello ... entry point
- From: Carlo Agostini <carlo dot agostini at yacme dot com>
- Date: Mon, 03 Sep 2001 17:18:39 +0200
Hi
I have as soon as begun to use Redboot-eCos
and wanted of the suggestions.
I have get the current version of eCos packages via CVS
I type the following in RedHat 7.1
ecosconfig new pc redboot
ecosconfig import ../i386/pc/...../redboot_FLOPPY.ecm
I do not use the memory flash
make
I 've successfully compiled both redboot.bin & redboot.elf
Redboot runs from a floppy disk on 486 pc
I have two PC (486 and Pentium)that communicates through serial port(I
use the program minicom(on Pentium))
I load with the serial port the compiled program hello with the tools
of i386-.
I have loaded in memory RAM hello with the command load.
Platform: PC (I386)
Copyright (C) 2000, 2001, Red Hat, Inc.
RAM: 0x00000000-0x000a0000, 0x00088680-0x000a0000 available
load -v -r -m xmodem 0x00088680
file loaded 0x00088680-0x00163f80
Subsequently in memory I find
du -b 0x00088680 -l 0xff
0x00088680: 7F45 4C46 0101 0100 0000 0000 0000 0000
|.ELF............|
0x00088690: 0200 0300 0100 0000 0020 0000 3400 0000 |.........
..4...|
0x000886A0: 8C0B 0D00 0000 0000 3400 2000 0100 2800 |........4.
...(.|
0x000886B0: 1000 0D00 0100 0000 0010 0000 0020 0000 |.............
..|
0x000886C0: 0020 0000 4077 0100 E026 0200 0700 0000 |.
..@w...&......|
0x000886D0: 0010 0000 0000 0000 0000 0000 0000 0000
|................|
0x000886E0: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x000886F0: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x00088700: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x00088710: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x00088720: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x00088730: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x00088740: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
0x00088750: 0000 0000 0000 0000 0000 0000 0000 0000
|................|
How I make to understand where is the entry point of the program hello ?
Thanking you in advance.
Carlo