}
}
+# This reset logic may be overridden by board/target/... scripts as needed
+# to provide a reset that, if possible, is close to a power-up reset.
+#
+# Exit requirements include: (a) JTAG must be working, (b) the scan
+# chain was validated with "jtag arp_init" (or equivalent), (c) nothing
+# stays in reset. No TAP-specific scans were performed. It's OK if
+# some targets haven't been reset yet; they may need TAP-specific scans.
+#
+# The "mode" values include: halt, init, run (from "reset" command);
+# startup (at OpenOCD server startup, when JTAG may not yet work); and
+# potentially more (for reset types like cold, warm, etc)
+proc init_reset { mode } {
+ jtag arp_init-reset
+}
+
#########
# TODO: power_restore and power_dropout are currently neither
# documented nor supported except on ZY1000.
proc power_restore {} {
- puts "Sensed power restore."
+ puts "Sensed power restore, running reset init and halting GDB."
reset init
+
+ # Halt GDB so user can deal with a detected power restore.
+ #
+ # After GDB is halted, then output is no longer forwarded
+ # to the GDB console.
+ set targets [target names]
+ foreach t $targets {
+ # New event script.
+ $t invoke-event arp_halt_gdb
+ }
}
add_help_text power_restore "Overridable procedure run when power restore is detected. Runs 'reset init' by default."
# documented nor supported except on ZY1000.
proc srst_deasserted {} {
- puts "Sensed nSRST deasserted."
+ puts "Sensed nSRST deasserted, running reset init and halting GDB."
reset init
+
+ # Halt GDB so user can deal with a detected reset.
+ #
+ # After GDB is halted, then output is no longer forwarded
+ # to the GDB console.
+ set targets [target names]
+ foreach t $targets {
+ # New event script.
+ $t invoke-event arp_halt_gdb
+ }
}
+
add_help_text srst_deasserted "Overridable procedure run when srst deassert is detected. Runs 'reset init' by default."
proc srst_asserted {} {