Motorola PPC/CPCI-690, Reference Manual

Page: 101 / 176

PowerBoot Command Set
PPC/CPCI-690 4 - 27
Copying
The following commands are used to copy:
• Memory area
• NVRAM contents
bm
D
ESCRIPTION
Command to copy the contents of a specified source memory area to a
memory area starting at a specified destination address. However, if the
source and the destination area overlap, only the destination area will be
complete.
S
YNTAX
bm <begin> <end> <destination>
P
ARAMETERS
begin
Specifies the start address of the source memory area, i.e. the first byte of
the source memory area used for copying
end
Specifies the end address of the source memory area, i.e. the first byte of the
source memory area not used for copying
destination
Specifies the start address of the destination memory area where the first
byte of the source memory area is copied to
E
XAMPLE
PowerBoot> bm 2D00 3D00 5E00
PowerBoot>
nvramrd
D
ESCRIPTION
Command to copy the NVRAM contents to a memory region to modify it.
S
YNTAX
nvramrd <dest-address>
P
ARAMETERS
dest-
address
Memory address where to copy the NVRAM contents
E
XAMPLE
PowerBoot> nvramrd 100000
Read NVRAM from offset 0x0000..0x7fff to 0x00100000
CSUM calculated : 0xCEC
CSUM NVRAM read : 0xCEC
PowerBoot>