RedBoot User's Guide
PrevNext

mcopy

Name

mcopy -- Copy memory

Synopsis

mcopy {-s source} {-d destination} {-l length} [-1 | -2 | -4]

Arguments

NameTypeDescriptionDefault
-s location1Memory addressLocation of data to copy.none
-d location2Memory addressDestination for copied data.none
-l lengthNumberLength of datanone
-1 Copy one byte (8 bits) at a time.-4
-2 Copy two bytes (16 bits) at a time.-4
-4 Copy one word (32 bits) at a time.-4

Description

Copies memory (RAM, ROM, FLASH, etc) from one area to another.

Examples

Copy 16 bits at a time. 

 
RedBoot> mfill -b 0x100000 -l 0x20 -2 -p 0xDEAD
RedBoot> mfill -b 0x200000 -l 0x20 -2 -p 0x0
RedBoot> dump  -b 0x200000 -l 0x20 -2
00200000: 0000 0000 0000 0000  0000 0000 0000 0000
00200010: 0000 0000 0000 0000  0000 0000 0000 0000
RedBoot> mcopy -s 0x100000 -d 0x200000 -2 -l 0x20
RedBoot> dump  -b 0x200000 -l 0x20 -2
00200000: DEAD DEAD DEAD DEAD  DEAD DEAD DEAD DEAD
00200010: DEAD DEAD DEAD DEAD  DEAD DEAD DEAD DEAD

PrevHomeNext
mcmpUpmfill