Files
fail/debuggers/openocd/tcl/mem_helper.tcl
Lars Rademacher 83d72a091e debuggers: import openocd-0.7.0
Initial check-in of openocd-0.7.0 as it can be downloaded from
http://sourceforge.net/projects/openocd/files/openocd/0.7.0/

Any modifications will follow.

Change-Id: I6949beaefd589e046395ea0cb80f4e1ab1654d55
2013-12-02 14:53:22 +01:00

23 lines
626 B
Tcl

# Helper for common memory read/modify/write procedures
# mrw: "memory read word", returns value of $reg
proc mrw {reg} {
set value ""
mem2array value 32 $reg 1
return $value(0)
}
add_usage_text mrw "address"
add_help_text mrw "Returns value of word in memory."
# mmw: "memory modify word", updates value of $reg
# $reg <== ((value & ~$clearbits) | $setbits)
proc mmw {reg setbits clearbits} {
set old [mrw $reg]
set new [expr ($old & ~$clearbits) | $setbits]
mww $reg $new
}
add_usage_text mmw "address setbits clearbits"
add_help_text mmw "Modify word in memory. new_val = (old_val & ~clearbits) | setbits;"