auracaster/openocd
3
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add -defer-examine option to target create command

Browse Source 
The '-defer-examine' option to target create allows declaring targets
that are present on the chain, but not fully functional.  They will
be skipped by the initial arp_examine as well as arp_examine after
reset.

Manual examine using 'arp_examine' is needed to examine them, with the
idea that some kind of actions is neeed to bring them to a state where
examine will succeed (if at all possible).

In order to allow value less options to target command, I had to relax
the goi.argc check in jim_target_configure().

Change-Id: I9bf4e8d27eb6476dd9353d15f48965a8cfd5c122
Signed-off-by: Esben Haabendal <esben@haabendal.dk>
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/3076
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
This commit is contained in:
Matthias Welwarsky
2016-11-11 14:39:09 +01:00
committed by Paul Fertser
parent ab9d92490c
commit 53a936afc0
5 changed files with 102 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/target/startup.tcl
View File

@@ -65,7 +65,7 @@ proc ocd_process_reset_inner { MODE } {
foreach t $targets {
if {![using_jtag] || [jtag tapisenabled [$t cget -chain-position]]} {
$t invoke-event examine-start
set err [catch "$t arp_examine"]
set err [catch "$t arp_examine allow-defer"]
if { $err == 0 } {
$t invoke-event examine-end
}
@@ -111,6 +111,12 @@ proc ocd_process_reset_inner { MODE } {
continue
}
# don't wait for targets where examination is deferred
# they can not be halted anyway at this point
if { ![$t was_examined] && [$t examine_deferred] } {
continue
}
# Wait upto 1 second for target to halt. Why 1sec? Cause
# the JTAG tap reset signal might be hooked to a slow
# resistor/capacitor circuit - and it might take a while
@@ -135,6 +141,12 @@ proc ocd_process_reset_inner { MODE } {
continue
}
# don't wait for targets where examination is deferred
# they can not be halted anyway at this point
if { ![$t was_examined] && [$t examine_deferred] } {
continue
}
set err [catch "$t arp_waitstate halted 5000"]
# Did it halt?
if { $err == 0 } {