[coreboot] flashrom issues??

Tom Sylla tsylla at gmail.com
Tue Mar 4 19:56:45 CET 2008


On Tue, Mar 4, 2008 at 1:00 PM,  <joe at smittys.pointclark.net> wrote:
>  rm4100
>  [root at localhost proc]# dd if=/dev/port bs=1 skip=$[0x0800] count=128 | xxd
>  256+0 records in
>  256+0 records out
>  256 bytes (256 B) copied, 0.00171602 s, 149 kB/s
>  0000000: 0000 0000 dc00 140f e700 0000 0000 0000  ................
<SNIP>
>  >> rm4100
>  >> 00 00 00 00 dc 00 14 0f e7 00 00 00 00 00 00 00
<SNIP>
>  The output is not that nice I had to doctor it up a little bit.


I use hexdump instead, no doctoring required:

[xxx at xxx xxx]# dd if=/dev/port bs=1 skip=$[0x0800] count=128 | hexdump -C
00000000  00 00 00 00 18 00 00 c0  00 00 00 00 00 00 00 00  |................|
00000010  02 00 80 80 00 00 00 80  00 00 20 00 00 00 02 00  |.......... .....|
00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000030  00 04 00 01 00 00 06 00  00 84 84 84 84 84 01 00  |................|
00000040  01 84 05 05 05 04 05 04  05 04 00 91 40 01 28 57  |............ at .(W|
00000050  47 60 00 00 00 00 00 9f  5c 6c 00 06 00 00 a4 00  |G`......\l......|
00000060  01 00 61 01 60 00 00 00  60 7f 04 00 00 00 00 00  |..a.`...`.......|
00000070  0e 01 00 04 00 01 18 00  00 00 00 00 20 52 6c 6b  |............ Rlk|
00000080

You can get quite fancy with hexdump's '-e' option, displaying in
dwords, tab formatting, etc.
The '-C' option gets the output formatted easily.




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