Motorola PPC/CPCI-690, Справочное руководство

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Command Set PowerBoot
4 - 50 PPC/CPCI-690
bs
D
ESCRIPTION
Command to search a memory area for a byte, a word, or a long constant or
for a user defined ASCII string. There are two tasks which can be done by
means of bs:
• Displaying the locations where the searched byte, word, long constant,
or ASCII string is found
• Displaying the locations where the searched byte, word, long constant,
or ASCII string is not found
S
YNTAX
bs <begin> <end> [/]<value> [B|W|L|P]
P
ARAMETERS
begin
Specifies the start address of the memory area which is searched. , i.e. the
first byte of the memory area which is read
end
Specifies the end address of the memory area which is searched, i.e. the first
byte of the memory area which is not read
value
Specifies the constant to search for. Possible constants are:
• byte value
A byte constant followed by the character B, e.g. 3F B
• word value
A word constant followed by the character W, e.g. 3F3F W
• long value
A long constant followed by the character L, e.g. EFEFEFEF L
• string value
An ASCII string followed by the character P. The ASCII string has to be
set in inverted commas, e.g. “Force” P
E
XAMPLE
1 A 4-KByte memory from 00002D00
16
.. 00003D00
16
is searched for the byte
constant 3F
16
. The byte constant is found at addresses 00002E01
16
and
00002E05
16
.
PowerBoot> bs 2D00 3D00 3F B
Search: 00002E01 = 3F
Search: 00002E05 = 3F
PowerBoot>