[U-Boot] Problem executing hello world as specified on wiki
Vipul Jain
vipulsj at gmail.com
Mon Feb 22 00:14:02 CET 2010
Hello U-Boot alias,
I am trying to execute the standlone examples of hello world by following
the steps
specified at the U-Boot wiki but have no success. This is what I am getting.
Method 1:
---------------
EDB9302> tftp 40000 /tftpboot/hello_world.srec
Using ep93xx_eth-0 device
TFTP from server 192.168.15.6; our IP address is 192.168.15.15
Filename '/tftpboot/hello_world.srec'.
Load address: 0x40000
Loading: #
done
Bytes transferred = 1916 (77c hex)
EDB9302> go 40004
## Starting application at 0x00040004 ...
<nothing just hung>
Method 2:
----------------
EDB9302> tftp 40000 /tftpboot/hello_world.bin
Using ep93xx_eth-0 device
TFTP from server 192.168.15.6; our IP address is 192.168.15.15
Filename '/tftpboot/hello_world.bin'.
Load address: 0x40000
Loading: #
done
Bytes transferred = 616 (268 hex)
EDB9302> go 40004
## Starting application at 0x00040004 ...
�������������������������������������
<some garbage>
Method 3:
EDB9302> loadb 0x100000
## Ready for binary (kermit) download to 0x00100000 at 115200 bps...
(Back at Gladiator)
----------------------------------------------------
(./) C-Kermit>send /tftpboot/hello_world
(./) C-Kermit>connect
Connecting to /dev/ttyUSB0, speed 115200
Escape character: Ctrl-\ (ASCII 28, FS): enabled
Type the escape character followed by C to get back,
or followed by ? to see other options.
----------------------------------------------------
Total Size = 0x0000937c = 37756 Bytes
## Start Addr = 0x00100000
EDB9302> go 0x00100000
## Starting application at 0x00100000 ...
undefined instruction
pc : [<0010001c>] lr : [<05706e50>]
sp : 0567fe4c ip : fffffffe fp : 00000001
r10: 056a01d8 r9 : 00000000 r8 : 0567ffe0
r7 : 00000000 r6 : 00000002 r5 : 056a028c r4 : 00100000
r3 : 00100000 r2 : 056a028c r1 : 056a028c r0 : 0008000c
Flags: nZCv IRQs off FIQs off Mode SVC_32
Resetting CPU ...
resetting ...
Please help me, how can I test simple hello world program like this on
U-Boot.
Regards,
Vipul.
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