diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/openocd.texi | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 62bb1eb8..389b2a9d 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -2289,14 +2289,14 @@ does include a kind of JTAG router functionality. @deffn Command {jtag cget} dotted.name @option{-event} name @deffnx Command {jtag configure} dotted.name @option{-event} name string -At this writing this mechanism is used only for event handling, -and the only two events relate to TAP enabling and disabling. +At this writing this mechanism is used only for event handling. +Three events are available. Two events relate to TAP enabling +and disabling, one to post reset handling. The @code{configure} subcommand assigns an event handler, a TCL string which is evaluated when the event is triggered. The @code{cget} subcommand returns that handler. -The two possible values for an event @var{name} -are @option{tap-disable} and @option{tap-enable}. +The three possible values for an event @var{name} are @option{tap-disable}, @option{tap-enable} and @option{post-reset}. So for example, when defining a TAP for a CPU connected to a JTAG router, you should define TAP event handlers using @@ -2312,6 +2312,15 @@ jtag configure CHIP.cpu -event tap-disable @{ ... jtag operations using CHIP.jrc @} @end example + +If you need some post reset action, you can do: + +@example +jtag configure CHIP.cpu -event post-reset @{ + echo "Reset done" + ... jtag operations to be done after reset +@} +@end example @end deffn @deffn Command {jtag tapdisable} dotted.name |