}
}
+# 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."
+ echo "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."
proc power_dropout {} {
- puts "Sensed power dropout."
+ echo "Sensed power dropout."
}
#########
# documented nor supported except on ZY1000.
proc srst_deasserted {} {
- puts "Sensed nSRST deasserted."
+ echo "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.
+ $t invoke-event arp_halt_gdb
+ }
}
+
add_help_text srst_deasserted "Overridable procedure run when srst deassert is detected. Runs 'reset init' by default."
proc srst_asserted {} {
- puts "Sensed nSRST asserted."
+ echo "Sensed nSRST asserted."
+}
+
+# measure actual JTAG clock
+proc measure_clk {} {
+ set start_time [ms];
+ runtest 10000000;
+ echo "Running at more than [expr 10000.0 / ([ms]-$start_time)] kHz";
+}
+
+add_help_text measure_clk "Runs a test to measure the JTAG clk. Useful with RCLK / RTCK."
+
+# BEGIN MIGRATION AIDS ... these adapter operations originally had
+# JTAG-specific names despite the fact that the operations were not
+# specific to JTAG, or otherewise had troublesome/misleading names.
+#
+# FIXME phase these aids out after about April 2011
+#
+proc jtag_khz args {
+ echo "DEPRECATED! use 'adapter_khz' not 'jtag_khz'"
+ eval adapter_khz $args
+}
+
+proc jtag_nsrst_delay args {
+ echo "DEPRECATED! use 'adapter_nsrst_delay' not 'jtag_nsrst_delay'"
+ eval adapter_nsrst_delay $args
}
+
+proc jtag_nsrst_assert_width args {
+ echo "DEPRECATED! use 'adapter_nsrst_assert_width' not 'jtag_nsrst_assert_width'"
+ eval adapter_nsrst_assert_width $args
+}
+
+# END MIGRATION AIDS