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mem_helper: add mrh command 

This patch adds support for reading halfword values from memory. This
command compliments existing support for writing halfwords (mwh).

Change-Id: I8ec628e65c05a7f00aa57e3af0f228eb8bd4d14e
Signed-off-by: Steven Stallion <stallion@squareup.com>
Reviewed-on: http://openocd.zylin.com/4781
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Steven Stallion 2018-11-26 20:01:34 -06:00 committed by Tomas Vanek
parent dc415cb26c
commit 82dd17e248
1 changed files with 11 additions and 0 deletions
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11
tcl/mem_helper.tcl
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@ -10,6 +10,17 @@ proc mrw {reg} {
add_usage_text mrw "address" add_usage_text mrw "address"
add_help_text mrw "Returns value of word in memory." add_help_text mrw "Returns value of word in memory."
# mrh: "memory read halfword", returns value of $reg
proc mrh {reg} {
set value ""
mem2array value 16 $reg 1
return $value(0)
}
add_usage_text mrh "address"
add_help_text mrh "Returns value of halfword in memory."
# mrb: "memory read byte", returns value of $reg
proc mrb {reg} { proc mrb {reg} {
set value "" set value ""
mem2array value 8 $reg 1 mem2array value 8 $reg 1