split startup.tcl file across modules
Moves definitions for each layer into their own file, eliminating layering violations in the built-in TCL code. Updates src/Makefile.am rules to include all files in the final startup.tcl input file, and others Makefile.am rules to distribute the new files in our packages.__archive__
Zachary T Welch
parent
903daa796a
commit
cb7dbc1af4
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@ -99,7 +99,11 @@ libopenocd_la_LIBADD += -lmicrohttpd
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endif
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STARTUP_TCL_SRCS = \
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$(srcdir)/helper/startup.tcl
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$(srcdir)/helper/startup.tcl \
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$(srcdir)/jtag/startup.tcl \
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$(srcdir)/target/startup.tcl \
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$(srcdir)/flash/startup.tcl \
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$(srcdir)/server/startup.tcl
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EXTRA_DIST = $(STARTUP_TCL_SRCS)
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@ -79,4 +79,6 @@ noinst_HEADERS = \
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s3c24xx_nand.h \
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s3c24xx_regs_nand.h
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EXTRA_DIST = startup.tcl
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MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
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@ -0,0 +1,16 @@
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# Defines basic Tcl procs for OpenOCD flash module
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# Show flash in human readable form
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# This is an example of a human readable form of a low level fn
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proc flash_banks {} {
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set i 0
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set result ""
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foreach {a} [ocd_flash_banks] {
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if {$i > 0} {
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set result "$result\n"
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}
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set result [format "$result#%d: %s at 0x%08x, size 0x%08x, buswidth %d, chipwidth %d" $i $a(name) $a(base) $a(size) $a(bus_width) $a(chip_width)]
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set i [expr $i+1]
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}
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return $result
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}
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@ -50,6 +50,8 @@ noinst_HEADERS = \
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system.h \
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bin2char.c
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EXTRA_DIST = startup.tcl
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BIN2C = bin2char$(EXEEXT_FOR_BUILD)
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BUILT_SOURCES = $(BIN2C)
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@ -1,11 +1,8 @@
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#
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# Defines basic Tcl procs that must be there for
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# OpenOCD to work.
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# Defines basic Tcl procs that must exist for OpenOCD scripts to work.
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#
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# Embedded into OpenOCD executable
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#
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# Help text list. A list of command + help text pairs.
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#
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# Commands can be more than one word and they are stored
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@ -22,21 +19,6 @@ proc get_help_text {} {
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}
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# Show flash in human readable form
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# This is an example of a human readable form of a low level fn
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proc flash_banks {} {
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set i 0
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set result ""
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foreach {a} [ocd_flash_banks] {
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if {$i > 0} {
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set result "$result\n"
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}
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set result [format "$result#%d: %s at 0x%08x, size 0x%08x, buswidth %d, chipwidth %d" $i $a(name) $a(base) $a(size) $a(bus_width) $a(chip_width)]
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set i [expr $i+1]
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}
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return $result
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}
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# We need to explicitly redirect this to the OpenOCD command
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# as Tcl defines the exit proc
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proc exit {} {
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@ -133,207 +115,6 @@ proc script {filename} {
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add_help_text script "<filename> - filename of OpenOCD script (tcl) to run"
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# Handle GDB 'R' packet. Can be overriden by configuration script,
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# but it's not something one would expect target scripts to do
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# normally
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proc ocd_gdb_restart {target_id} {
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# Fix!!! we're resetting all targets here! Really we should reset only
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# one target
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reset halt
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}
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#########
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# Temporary migration aid. May be removed starting in January 2011.
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proc armv4_5 params {
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echo "DEPRECATED! use 'arm $params' not 'armv4_5 $params'"
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arm $params
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}
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#########
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# This reset logic may be overridden by board/target/... scripts as needed
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# to provide a reset that, if possible, is close to a power-up reset.
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#
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# Exit requirements include: (a) JTAG must be working, (b) the scan
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# chain was validated with "jtag arp_init" (or equivalent), (c) nothing
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# stays in reset. No TAP-specific scans were performed. It's OK if
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# some targets haven't been reset yet; they may need TAP-specific scans.
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#
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# The "mode" values include: halt, init, run (from "reset" command);
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# startup (at OpenOCD server startup, when JTAG may not yet work); and
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# potentially more (for reset types like cold, warm, etc)
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proc init_reset { mode } {
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jtag arp_init-reset
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}
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global in_process_reset
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set in_process_reset 0
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# Catch reset recursion
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proc ocd_process_reset { MODE } {
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global in_process_reset
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if {$in_process_reset} {
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set in_process_reset 0
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return -code error "'reset' can not be invoked recursively"
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}
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set in_process_reset 1
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set success [expr [catch {ocd_process_reset_inner $MODE} result]==0]
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set in_process_reset 0
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if {$success} {
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return $result
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} else {
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return -code error $result
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}
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}
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proc ocd_process_reset_inner { MODE } {
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set targets [target names]
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# If this target must be halted...
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set halt -1
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if { 0 == [string compare $MODE halt] } {
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set halt 1
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}
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if { 0 == [string compare $MODE init] } {
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set halt 1;
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}
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if { 0 == [string compare $MODE run ] } {
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set halt 0;
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}
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if { $halt < 0 } {
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return -error "Invalid mode: $MODE, must be one of: halt, init, or run";
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}
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# Target event handlers *might* change which TAPs are enabled
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# or disabled, so we fire all of them. But don't issue any
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# target "arp_*" commands, which may issue JTAG transactions,
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# unless we know the underlying TAP is active.
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#
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# NOTE: ARP == "Advanced Reset Process" ... "advanced" is
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# relative to a previous restrictive scheme
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foreach t $targets {
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# New event script.
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$t invoke-event reset-start
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}
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# Use TRST or TMS/TCK operations to reset all the tap controllers.
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# TAP reset events get reported; they might enable some taps.
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init_reset $MODE
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# Examine all targets on enabled taps.
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foreach t $targets {
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if {[jtag tapisenabled [$t cget -chain-position]]} {
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$t arp_examine
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}
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}
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# Assert SRST, and report the pre/post events.
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# Note: no target sees SRST before "pre" or after "post".
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foreach t $targets {
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$t invoke-event reset-assert-pre
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}
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foreach t $targets {
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# C code needs to know if we expect to 'halt'
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if {[jtag tapisenabled [$t cget -chain-position]]} {
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$t arp_reset assert $halt
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}
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}
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foreach t $targets {
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$t invoke-event reset-assert-post
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}
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# Now de-assert SRST, and report the pre/post events.
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# Note: no target sees !SRST before "pre" or after "post".
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foreach t $targets {
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$t invoke-event reset-deassert-pre
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}
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foreach t $targets {
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# Again, de-assert code needs to know if we 'halt'
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if {[jtag tapisenabled [$t cget -chain-position]]} {
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$t arp_reset deassert $halt
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}
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}
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foreach t $targets {
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$t invoke-event reset-deassert-post
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}
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# Pass 1 - Now wait for any halt (requested as part of reset
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# assert/deassert) to happen. Ideally it takes effect without
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# first executing any instructions.
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if { $halt } {
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foreach t $targets {
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if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
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continue
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}
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# Wait upto 1 second for target to halt. Why 1sec? Cause
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# the JTAG tap reset signal might be hooked to a slow
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# resistor/capacitor circuit - and it might take a while
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# to charge
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# Catch, but ignore any errors.
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catch { $t arp_waitstate halted 1000 }
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# Did we succeed?
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set s [$t curstate]
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if { 0 != [string compare $s "halted" ] } {
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return -error [format "TARGET: %s - Not halted" $t]
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}
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}
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}
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#Pass 2 - if needed "init"
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if { 0 == [string compare init $MODE] } {
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foreach t $targets {
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if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
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continue
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}
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set err [catch "$t arp_waitstate halted 5000"]
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# Did it halt?
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if { $err == 0 } {
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$t invoke-event reset-init
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}
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}
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}
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foreach t $targets {
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$t invoke-event reset-end
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}
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}
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#########
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# REVISIT power_restore, power_dropout, srst_deasserted, srst_asserted
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# are currently neither documented nor supported except on ZY1000.
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proc power_restore {} {
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puts "Sensed power restore."
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reset init
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}
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add_help_text power_restore "Overridable procedure run when power restore is detected. Runs 'reset init' by default."
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proc power_dropout {} {
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puts "Sensed power dropout."
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}
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proc srst_deasserted {} {
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puts "Sensed nSRST deasserted."
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reset init
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}
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add_help_text srst_deasserted "Overridable procedure run when srst deassert is detected. Runs 'reset init' by default."
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proc srst_asserted {} {
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puts "Sensed nSRST asserted."
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}
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#########
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# catch any exceptions, capture output and return output
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@ -343,13 +124,3 @@ proc capture_catch {a} {
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} result
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return $result
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}
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# Executed during "init". Can be overridden
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# by board/target/... scripts
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proc jtag_init {} {
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if {[catch {jtag arp_init} err]!=0} {
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# try resetting additionally
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init_reset startup
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}
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}
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@ -94,4 +94,6 @@ noinst_HEADERS = \
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rlink/st7.h \
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minidummy/jtag_minidriver.h
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EXTRA_DIST = startup.tcl
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MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
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@ -0,0 +1,41 @@
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# Defines basic Tcl procs for OpenOCD JTAG module
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# Executed during "init". Can be overridden
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# by board/target/... scripts
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proc jtag_init {} {
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if {[catch {jtag arp_init} err]!=0} {
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# try resetting additionally
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init_reset startup
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}
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}
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#########
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# TODO: power_restore and power_dropout are currently neither
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# documented nor supported except on ZY1000.
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proc power_restore {} {
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puts "Sensed power restore."
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reset init
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}
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add_help_text power_restore "Overridable procedure run when power restore is detected. Runs 'reset init' by default."
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proc power_dropout {} {
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puts "Sensed power dropout."
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}
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#########
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# TODO: srst_deasserted and srst_asserted are currently neither
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# documented nor supported except on ZY1000.
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proc srst_deasserted {} {
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puts "Sensed nSRST deasserted."
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reset init
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}
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add_help_text srst_deasserted "Overridable procedure run when srst deassert is detected. Runs 'reset init' by default."
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proc srst_asserted {} {
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puts "Sensed nSRST asserted."
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}
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@ -35,6 +35,7 @@ nobase_dist_pkgdata_DATA = \
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endif
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EXTRA_DIST = \
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startup.tcl \
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httpd/readme.txt \
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httpd/menu.xml \
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httpd/menu.xsl \
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@ -0,0 +1,8 @@
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# Handle GDB 'R' packet. Can be overriden by configuration script,
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# but it's not something one would expect target scripts to do
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# normally
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proc ocd_gdb_restart {target_id} {
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# Fix!!! we're resetting all targets here! Really we should reset only
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# one target
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reset halt
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}
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@ -13,7 +13,9 @@ AM_CPPFLAGS = \
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BIN2C = $(top_builddir)/src/helper/bin2char$(EXEEXT_FOR_BUILD)
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DEBUG_HANDLER = $(srcdir)/xscale/debug_handler.bin
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EXTRA_DIST = $(DEBUG_HANDLER)
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EXTRA_DIST = \
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startup.tcl \
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$(DEBUG_HANDLER)
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DEBUG_HEADER = xscale_debug.h
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BUILT_SOURCES = $(DEBUG_HEADER)
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@ -0,0 +1,165 @@
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#########
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# This reset logic may be overridden by board/target/... scripts as needed
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# to provide a reset that, if possible, is close to a power-up reset.
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#
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# Exit requirements include: (a) JTAG must be working, (b) the scan
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# chain was validated with "jtag arp_init" (or equivalent), (c) nothing
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# stays in reset. No TAP-specific scans were performed. It's OK if
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# some targets haven't been reset yet; they may need TAP-specific scans.
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#
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# The "mode" values include: halt, init, run (from "reset" command);
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# startup (at OpenOCD server startup, when JTAG may not yet work); and
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# potentially more (for reset types like cold, warm, etc)
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proc init_reset { mode } {
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jtag arp_init-reset
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}
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global in_process_reset
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set in_process_reset 0
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# Catch reset recursion
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proc ocd_process_reset { MODE } {
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global in_process_reset
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if {$in_process_reset} {
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set in_process_reset 0
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return -code error "'reset' can not be invoked recursively"
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}
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set in_process_reset 1
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set success [expr [catch {ocd_process_reset_inner $MODE} result]==0]
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set in_process_reset 0
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if {$success} {
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return $result
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} else {
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return -code error $result
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}
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}
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proc ocd_process_reset_inner { MODE } {
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set targets [target names]
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# If this target must be halted...
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set halt -1
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if { 0 == [string compare $MODE halt] } {
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set halt 1
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}
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if { 0 == [string compare $MODE init] } {
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set halt 1;
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}
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if { 0 == [string compare $MODE run ] } {
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set halt 0;
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}
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if { $halt < 0 } {
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return -error "Invalid mode: $MODE, must be one of: halt, init, or run";
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}
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||||
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||||
# Target event handlers *might* change which TAPs are enabled
|
||||
# or disabled, so we fire all of them. But don't issue any
|
||||
# target "arp_*" commands, which may issue JTAG transactions,
|
||||
# unless we know the underlying TAP is active.
|
||||
#
|
||||
# NOTE: ARP == "Advanced Reset Process" ... "advanced" is
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# relative to a previous restrictive scheme
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||||
|
||||
foreach t $targets {
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# New event script.
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$t invoke-event reset-start
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}
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||||
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||||
# Use TRST or TMS/TCK operations to reset all the tap controllers.
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||||
# TAP reset events get reported; they might enable some taps.
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init_reset $MODE
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# Examine all targets on enabled taps.
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foreach t $targets {
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if {[jtag tapisenabled [$t cget -chain-position]]} {
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$t arp_examine
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}
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||||
}
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||||
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# Assert SRST, and report the pre/post events.
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# Note: no target sees SRST before "pre" or after "post".
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foreach t $targets {
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$t invoke-event reset-assert-pre
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}
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||||
foreach t $targets {
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# C code needs to know if we expect to 'halt'
|
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if {[jtag tapisenabled [$t cget -chain-position]]} {
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$t arp_reset assert $halt
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}
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||||
}
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foreach t $targets {
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$t invoke-event reset-assert-post
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}
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# Now de-assert SRST, and report the pre/post events.
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# Note: no target sees !SRST before "pre" or after "post".
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foreach t $targets {
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$t invoke-event reset-deassert-pre
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}
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||||
foreach t $targets {
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# Again, de-assert code needs to know if we 'halt'
|
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if {[jtag tapisenabled [$t cget -chain-position]]} {
|
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$t arp_reset deassert $halt
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}
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||||
}
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||||
foreach t $targets {
|
||||
$t invoke-event reset-deassert-post
|
||||
}
|
||||
|
||||
# Pass 1 - Now wait for any halt (requested as part of reset
|
||||
# assert/deassert) to happen. Ideally it takes effect without
|
||||
# first executing any instructions.
|
||||
if { $halt } {
|
||||
foreach t $targets {
|
||||
if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
|
||||
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
|
||||
# to charge
|
||||
|
||||
# Catch, but ignore any errors.
|
||||
catch { $t arp_waitstate halted 1000 }
|
||||
|
||||
# Did we succeed?
|
||||
set s [$t curstate]
|
||||
|
||||
if { 0 != [string compare $s "halted" ] } {
|
||||
return -error [format "TARGET: %s - Not halted" $t]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#Pass 2 - if needed "init"
|
||||
if { 0 == [string compare init $MODE] } {
|
||||
foreach t $targets {
|
||||
if {[jtag tapisenabled [$t cget -chain-position]] == 0} {
|
||||
continue
|
||||
}
|
||||
|
||||
set err [catch "$t arp_waitstate halted 5000"]
|
||||
# Did it halt?
|
||||
if { $err == 0 } {
|
||||
$t invoke-event reset-init
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
foreach t $targets {
|
||||
$t invoke-event reset-end
|
||||
}
|
||||
}
|
||||
|
||||
#########
|
||||
|
||||
# Temporary migration aid. May be removed starting in January 2011.
|
||||
proc armv4_5 params {
|
||||
echo "DEPRECATED! use 'arm $params' not 'armv4_5 $params'"
|
||||
arm $params
|
||||
}
|
||||
Loading…
Reference in New Issue