diff options
| -rw-r--r-- | src/Makefile.am | 6 | ||||
| -rw-r--r-- | src/flash/Makefile.am | 2 | ||||
| -rw-r--r-- | src/flash/startup.tcl | 16 | ||||
| -rw-r--r-- | src/helper/Makefile.am | 2 | ||||
| -rw-r--r-- | src/helper/startup.tcl | 231 | ||||
| -rw-r--r-- | src/jtag/Makefile.am | 2 | ||||
| -rw-r--r-- | src/jtag/startup.tcl | 41 | ||||
| -rw-r--r-- | src/server/Makefile.am | 1 | ||||
| -rw-r--r-- | src/server/startup.tcl | 8 | ||||
| -rw-r--r-- | src/target/Makefile.am | 4 | ||||
| -rw-r--r-- | src/target/startup.tcl | 165 |
11 files changed, 246 insertions, 232 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 2f17ba4d..7a886811 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -99,7 +99,11 @@ libopenocd_la_LIBADD += -lmicrohttpd endif STARTUP_TCL_SRCS = \ - $(srcdir)/helper/startup.tcl + $(srcdir)/helper/startup.tcl \ + $(srcdir)/jtag/startup.tcl \ + $(srcdir)/target/startup.tcl \ + $(srcdir)/flash/startup.tcl \ + $(srcdir)/server/startup.tcl EXTRA_DIST = $(STARTUP_TCL_SRCS) diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index bbcc34c3..b687182d 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -79,4 +79,6 @@ noinst_HEADERS = \ s3c24xx_nand.h \ s3c24xx_regs_nand.h +EXTRA_DIST = startup.tcl + MAINTAINERCLEANFILES = $(srcdir)/Makefile.in diff --git a/src/flash/startup.tcl b/src/flash/startup.tcl new file mode 100644 index 00000000..fcebbe01 --- /dev/null +++ b/src/flash/startup.tcl @@ -0,0 +1,16 @@ +# Defines basic Tcl procs for OpenOCD flash module + +# Show flash in human readable form +# This is an example of a human readable form of a low level fn +proc flash_banks {} { + set i 0 + set result "" + foreach {a} [ocd_flash_banks] { + if {$i > 0} { + set result "$result\n" + } + set result [format "$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)] + set i [expr $i+1] + } + return $result +} diff --git a/src/helper/Makefile.am b/src/helper/Makefile.am index 9557f5b2..22b3c330 100644 --- a/src/helper/Makefile.am +++ b/src/helper/Makefile.am @@ -50,6 +50,8 @@ noinst_HEADERS = \ system.h \ bin2char.c +EXTRA_DIST = startup.tcl + BIN2C = bin2char$(EXEEXT_FOR_BUILD) BUILT_SOURCES = $(BIN2C) diff --git a/src/helper/startup.tcl b/src/helper/startup.tcl index 096f03a8..eefb690e 100644 --- a/src/helper/startup.tcl +++ b/src/helper/startup.tcl @@ -1,11 +1,8 @@ -# -# Defines basic Tcl procs that must be there for -# OpenOCD to work. +# Defines basic Tcl procs that must exist for OpenOCD scripts to work. # # Embedded into OpenOCD executable # - # Help text list. A list of command + help text pairs. # # Commands can be more than one word and they are stored @@ -22,21 +19,6 @@ proc get_help_text {} { } -# Show flash in human readable form -# This is an example of a human readable form of a low level fn -proc flash_banks {} { - set i 0 - set result "" - foreach {a} [ocd_flash_banks] { - if {$i > 0} { - set result "$result\n" - } - set result [format "$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)] - set i [expr $i+1] - } - return $result -} - # We need to explicitly redirect this to the OpenOCD command # as Tcl defines the exit proc proc exit {} { @@ -133,207 +115,6 @@ proc script {filename} { add_help_text script "<filename> - filename of OpenOCD script (tcl) to run" -# Handle GDB 'R' packet. Can be overriden by configuration script, -# but it's not something one would expect target scripts to do -# normally -proc ocd_gdb_restart {target_id} { - # Fix!!! we're resetting all targets here! Really we should reset only - # one target - reset halt -} - -######### - -# Temporary migration aid. May be removed starting in January 2011. -proc armv4_5 params { - echo "DEPRECATED! use 'arm $params' not 'armv4_5 $params'" - arm $params -} - -######### - -# This reset logic may be overridden by board/target/... scripts as needed -# to provide a reset that, if possible, is close to a power-up reset. -# -# Exit requirements include: (a) JTAG must be working, (b) the scan -# chain was validated with "jtag arp_init" (or equivalent), (c) nothing -# stays in reset. No TAP-specific scans were performed. It's OK if -# some targets haven't been reset yet; they may need TAP-specific scans. -# -# The "mode" values include: halt, init, run (from "reset" command); -# startup (at OpenOCD server startup, when JTAG may not yet work); and -# potentially more (for reset types like cold, warm, etc) -proc init_reset { mode } { - jtag arp_init-reset -} - - -global in_process_reset -set in_process_reset 0 - -# Catch reset recursion -proc ocd_process_reset { MODE } { - global in_process_reset - if {$in_process_reset} { - set in_process_reset 0 - return -code error "'reset' can not be invoked recursively" - } - - set in_process_reset 1 - set success [expr [catch {ocd_process_reset_inner $MODE} result]==0] - set in_process_reset 0 - - if {$success} { - return $result - } else { - return -code error $result - } -} - -proc ocd_process_reset_inner { MODE } { - set targets [target names] - - # If this target must be halted... - set halt -1 - if { 0 == [string compare $MODE halt] } { - set halt 1 - } - if { 0 == [string compare $MODE init] } { - set halt 1; - } - if { 0 == [string compare $MODE run ] } { - set halt 0; - } - if { $halt < 0 } { - return -error "Invalid mode: $MODE, must be one of: halt, init, or run"; - } - - # 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 - # relative to a previous restrictive scheme - - foreach t $targets { - # New event script. - $t invoke-event reset-start - } - - # Use TRST or TMS/TCK operations to reset all the tap controllers. - # TAP reset events get reported; they might enable some taps. - init_reset $MODE - - # Examine all targets on enabled taps. - foreach t $targets { - if {[jtag tapisenabled [$t cget -chain-position]]} { - $t arp_examine - } - } - - # Assert SRST, and report the pre/post events. - # Note: no target sees SRST before "pre" or after "post". - foreach t $targets { - $t invoke-event reset-assert-pre - } - foreach t $targets { - # C code needs to know if we expect to 'halt' - if {[jtag tapisenabled [$t cget -chain-position]]} { - $t arp_reset assert $halt - } - } - foreach t $targets { - $t invoke-event reset-assert-post - } - - # Now de-assert SRST, and report the pre/post events. - # Note: no target sees !SRST before "pre" or after "post". - foreach t $targets { - $t invoke-event reset-deassert-pre - } - foreach t $targets { - # Again, de-assert code needs to know if we 'halt' - if {[jtag tapisenabled [$t cget -chain-position]]} { - $t arp_reset deassert $halt - } - } - 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 - } -} - -######### - -# REVISIT power_restore, power_dropout, srst_deasserted, srst_asserted -# are currently neither documented nor supported except on ZY1000. - -proc power_restore {} { - puts "Sensed power restore." - reset init -} - -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." -} - -proc srst_deasserted {} { - puts "Sensed nSRST deasserted." - reset init -} -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." -} - ######### # catch any exceptions, capture output and return output @@ -343,13 +124,3 @@ proc capture_catch {a} { } result return $result } - - -# Executed during "init". Can be overridden -# by board/target/... scripts -proc jtag_init {} { - if {[catch {jtag arp_init} err]!=0} { - # try resetting additionally - init_reset startup - } -} diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am index ba722c6d..85d98c07 100644 --- a/src/jtag/Makefile.am +++ b/src/jtag/Makefile.am @@ -94,4 +94,6 @@ noinst_HEADERS = \ rlink/st7.h \ minidummy/jtag_minidriver.h +EXTRA_DIST = startup.tcl + MAINTAINERCLEANFILES = $(srcdir)/Makefile.in diff --git a/src/jtag/startup.tcl b/src/jtag/startup.tcl new file mode 100644 index 00000000..999f5d02 --- /dev/null +++ b/src/jtag/startup.tcl @@ -0,0 +1,41 @@ +# Defines basic Tcl procs for OpenOCD JTAG module + +# Executed during "init". Can be overridden +# by board/target/... scripts +proc jtag_init {} { + if {[catch {jtag arp_init} err]!=0} { + # try resetting additionally + init_reset startup + } +} + +######### + +# TODO: power_restore and power_dropout are currently neither +# documented nor supported except on ZY1000. + +proc power_restore {} { + puts "Sensed power restore." + reset init +} + +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." +} + +######### + +# TODO: srst_deasserted and srst_asserted are currently neither +# documented nor supported except on ZY1000. + +proc srst_deasserted {} { + puts "Sensed nSRST deasserted." + reset init +} +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." +} diff --git a/src/server/Makefile.am b/src/server/Makefile.am index 6e52fdfb..bb7d5ef3 100644 --- a/src/server/Makefile.am +++ b/src/server/Makefile.am @@ -35,6 +35,7 @@ nobase_dist_pkgdata_DATA = \ endif EXTRA_DIST = \ + startup.tcl \ httpd/readme.txt \ httpd/menu.xml \ httpd/menu.xsl \ diff --git a/src/server/startup.tcl b/src/server/startup.tcl new file mode 100644 index 00000000..677bb2de --- /dev/null +++ b/src/server/startup.tcl @@ -0,0 +1,8 @@ +# Handle GDB 'R' packet. Can be overriden by configuration script, +# but it's not something one would expect target scripts to do +# normally +proc ocd_gdb_restart {target_id} { + # Fix!!! we're resetting all targets here! Really we should reset only + # one target + reset halt +} diff --git a/src/target/Makefile.am b/src/target/Makefile.am index 9dd0bdc9..23aea82c 100644 --- a/src/target/Makefile.am +++ b/src/target/Makefile.am @@ -13,7 +13,9 @@ AM_CPPFLAGS = \ BIN2C = $(top_builddir)/src/helper/bin2char$(EXEEXT_FOR_BUILD) DEBUG_HANDLER = $(srcdir)/xscale/debug_handler.bin -EXTRA_DIST = $(DEBUG_HANDLER) +EXTRA_DIST = \ + startup.tcl \ + $(DEBUG_HANDLER) DEBUG_HEADER = xscale_debug.h BUILT_SOURCES = $(DEBUG_HEADER) diff --git a/src/target/startup.tcl b/src/target/startup.tcl new file mode 100644 index 00000000..d480f335 --- /dev/null +++ b/src/target/startup.tcl @@ -0,0 +1,165 @@ +######### + +# This reset logic may be overridden by board/target/... scripts as needed +# to provide a reset that, if possible, is close to a power-up reset. +# +# Exit requirements include: (a) JTAG must be working, (b) the scan +# chain was validated with "jtag arp_init" (or equivalent), (c) nothing +# stays in reset. No TAP-specific scans were performed. It's OK if +# some targets haven't been reset yet; they may need TAP-specific scans. +# +# The "mode" values include: halt, init, run (from "reset" command); +# startup (at OpenOCD server startup, when JTAG may not yet work); and +# potentially more (for reset types like cold, warm, etc) +proc init_reset { mode } { + jtag arp_init-reset +} + + +global in_process_reset +set in_process_reset 0 + +# Catch reset recursion +proc ocd_process_reset { MODE } { + global in_process_reset + if {$in_process_reset} { + set in_process_reset 0 + return -code error "'reset' can not be invoked recursively" + } + + set in_process_reset 1 + set success [expr [catch {ocd_process_reset_inner $MODE} result]==0] + set in_process_reset 0 + + if {$success} { + return $result + } else { + return -code error $result + } +} + +proc ocd_process_reset_inner { MODE } { + set targets [target names] + + # If this target must be halted... + set halt -1 + if { 0 == [string compare $MODE halt] } { + set halt 1 + } + if { 0 == [string compare $MODE init] } { + set halt 1; + } + if { 0 == [string compare $MODE run ] } { + set halt 0; + } + if { $halt < 0 } { + return -error "Invalid mode: $MODE, must be one of: halt, init, or run"; + } + + # 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 + # relative to a previous restrictive scheme + + foreach t $targets { + # New event script. + $t invoke-event reset-start + } + + # Use TRST or TMS/TCK operations to reset all the tap controllers. + # TAP reset events get reported; they might enable some taps. + init_reset $MODE + + # Examine all targets on enabled taps. + foreach t $targets { + if {[jtag tapisenabled [$t cget -chain-position]]} { + $t arp_examine + } + } + + # Assert SRST, and report the pre/post events. + # Note: no target sees SRST before "pre" or after "post". + foreach t $targets { + $t invoke-event reset-assert-pre + } + foreach t $targets { + # C code needs to know if we expect to 'halt' + if {[jtag tapisenabled [$t cget -chain-position]]} { + $t arp_reset assert $halt + } + } + foreach t $targets { + $t invoke-event reset-assert-post + } + + # Now de-assert SRST, and report the pre/post events. + # Note: no target sees !SRST before "pre" or after "post". + foreach t $targets { + $t invoke-event reset-deassert-pre + } + foreach t $targets { + # Again, de-assert code needs to know if we 'halt' + if {[jtag tapisenabled [$t cget -chain-position]]} { + $t arp_reset deassert $halt + } + } + 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 +} |