other one is used to provide a debug adapter.
Also, some development boards integrate an FT2232 chip to serve as
-a built-in low coast debug adapter and usb-to-serial solution.
+a built-in low cost debug adapter and usb-to-serial solution.
@itemize @bullet
@item @b{usbjtag}
@enumerate
@item the current directory,
@item any search dir specified on the command line using the @option{-s} option,
+@item any search dir specified using the @command{add_script_search_dir} command,
@item @file{$HOME/.openocd} (not on Windows),
@item the site wide script library @file{$pkgdatadir/site} and
@item the OpenOCD-supplied script library @file{$pkgdatadir/scripts}.
@end deffn
@deffn Command {interface_list}
-List the interface drivers that have been built into
+List the debug adapter drivers that have been built into
the running copy of OpenOCD.
@end deffn
-@deffn Command {jtag interface}
-Returns the name of the interface driver being used.
+@deffn Command {adapter_name}
+Returns the name of the debug adapter driver being used.
@end deffn
@section Interface Drivers
@section Commands for Handling Resets
-@deffn {Command} jtag_nsrst_assert_width milliseconds
+@deffn {Command} adapter_nsrst_assert_width milliseconds
Minimum amount of time (in milliseconds) OpenOCD should wait
after asserting nSRST (active-low system reset) before
allowing it to be deasserted.
@item @code{fa526} -- resembles arm920 (w/o Thumb)
@item @code{feroceon} -- resembles arm926
@item @code{mips_m4k} -- a MIPS core. This supports one variant:
-@itemize @minus
-@item @code{ejtag_srst} ... Use this when debugging targets that do not
-provide a functional SRST line on the EJTAG connector. This causes
-OpenOCD to instead use an EJTAG software reset command to reset the
-processor.
-You still need to enable @option{srst} on the @command{reset_config}
-command to enable OpenOCD hardware reset functionality.
-@end itemize
@item @code{xscale} -- this is actually an architecture,
not a CPU type. It is based on the ARMv5 architecture.
There are several variants defined:
mychip.cpu configure -event gdb-attach my_attach_proc
mychip.cpu configure -event gdb-attach @{
echo "Reset..."
- reset halt
+ # To make flash probe and gdb load to flash work we need a reset init.
+ reset init
@}
@end example
@* Currently not used (goal: when JTAG examine starts)
@end ignore
@item @b{gdb-attach}
-@* When GDB connects
+@* When GDB connects. This is before any communication with the target, so this
+can be used to set up the target so it is possible to probe flash. Probing flash
+is necessary during gdb connect if gdb load is to write the image to flash. Another
+use of the flash memory map is for GDB to automatically hardware/software breakpoints
+depending on whether the breakpoint is in RAM or read only memory.
@item @b{gdb-detach}
@* When GDB disconnects
@item @b{gdb-end}
wide on a sixteen bit bus:
@example
-flash bank cfi 0x00000000 0x01000000 2 2 $_TARGETNAME
-flash bank cfi 0x01000000 0x01000000 2 2 $_TARGETNAME
+flash bank $_FLASHNAME cfi 0x00000000 0x01000000 2 2 $_TARGETNAME
+flash bank $_FLASHNAME cfi 0x01000000 0x01000000 2 2 $_TARGETNAME
@end example
To configure one bank of 32 MBytes
to create a thirty-two bit (four byte) bus with doubled throughput:
@example
-flash bank cfi 0x00000000 0x02000000 2 4 $_TARGETNAME
+flash bank $_FLASHNAME cfi 0x00000000 0x02000000 2 4 $_TARGETNAME
@end example
@c "cfi part_id" disabled
since all devices in this family have the same memory layout.
@example
-flash bank aduc702x 0 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME aduc702x 0 0 0 0 $_TARGETNAME
@end example
@end deffn
@example
# Flash bank 0 - all chips
-flash bank at91sam3 0x00080000 0 1 1 $_TARGETNAME
+flash bank $_FLASHNAME at91sam3 0x00080000 0 1 1 $_TARGETNAME
# Flash bank 1 - only 256K chips
-flash bank at91sam3 0x00100000 0 1 1 $_TARGETNAME
+flash bank $_FLASHNAME at91sam3 0x00100000 0 1 1 $_TARGETNAME
@end example
Internally, the AT91SAM3 flash memory is organized as follows.
register, and autoconfigures itself.
@example
-flash bank at91sam7 0 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME at91sam7 0 0 0 0 $_TARGETNAME
@end example
For chips which are not recognized by the controller driver, you must
LPC flashes don't require the chip and bus width to be specified.
@example
-flash bank lpc2000 0x0 0x7d000 0 0 $_TARGETNAME \
+flash bank $_FLASHNAME lpc2000 0x0 0x7d000 0 0 $_TARGETNAME \
lpc2000_v2 14765 calc_checksum
@end example
LPC flashes don't require the chip and bus width to be specified.
@example
-flash bank lpc288x 0 0 0 0 $_TARGETNAME 12000000
+flash bank $_FLASHNAME lpc288x 0 0 0 0 $_TARGETNAME 12000000
@end example
@end deffn
Example for a 125 MHz clock frequency:
@example
-flash bank lpc2900 0 0 0 0 $_TARGETNAME 125000
+flash bank $_FLASHNAME lpc2900 0 0 0 0 $_TARGETNAME 125000
@end example
Some @code{lpc2900}-specific commands are defined. In the following command list,
@emph{No idea what this is, other than using some arm7/arm9 core.}
@example
-flash bank ocl 0 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME ocl 0 0 0 0 $_TARGETNAME
@end example
@end deffn
@deffn {Flash Driver} pic32mx
The PIC32MX microcontrollers are based on the MIPS 4K cores,
and integrate flash memory.
-@emph{The current implementation is incomplete.}
@example
-flash bank pix32mx 0 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME pix32mx 0x1fc00000 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME pix32mx 0x1d000000 0 0 0 $_TARGETNAME
@end example
@comment numerous *disabled* commands are defined:
Programs the specified 32-bit @var{value} at the given @var{address}
in the specified chip @var{bank}.
@end deffn
+@deffn Command {pic32mx unlock} bank
+Unlock and erase specified chip @var{bank}.
+This will remove any Code Protection.
+@end deffn
@end deffn
@deffn {Flash Driver} stellaris
standard @command{flash erase_address} command.}
@example
-flash bank stellaris 0 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME stellaris 0 0 0 0 $_TARGETNAME
@end example
@end deffn
the chip identification register, and autoconfigures itself.
@example
-flash bank stm32x 0 0 0 0 $_TARGETNAME
+flash bank $_FLASHNAME stm32x 0 0 0 0 $_TARGETNAME
@end example
Some stm32x-specific commands
which is either @code{STR71x}, @code{STR73x} or @code{STR75x}.
@example
-flash bank str7x 0x40000000 0x00040000 0 0 $_TARGETNAME STR71x
+flash bank $_FLASHNAME str7x 0x40000000 0x00040000 0 0 $_TARGETNAME STR71x
@end example
@deffn Command {str7x disable_jtag} bank
the @command{str9x flash_config} command prior to Flash programming.
@example
-flash bank str9x 0x40000000 0x00040000 0 0 $_TARGETNAME
+flash bank $_FLASHNAME str9x 0x40000000 0x00040000 0 0 $_TARGETNAME
str9x flash_config 0 4 2 0 0x80000
@end example
Example for s3c2440 mflash where @var{RST pin} is GPIO B1:
@example
-mflash bank s3c2440 0x10000000 1b 0
+mflash bank $_FLASHNAME s3c2440 0x10000000 1b 0
@end example
Example for pxa270 mflash where @var{RST pin} is GPIO 43:
@example
-mflash bank pxa270 0x08000000 43 0
+mflash bank $_FLASHNAME pxa270 0x08000000 43 0
@end example
@end deffn
the initial log output channel is stderr.
@end deffn
+@deffn Command add_script_search_dir [directory]
+Add @var{directory} to the file/script search path.
+@end deffn
+
@anchor{Target State handling}
@section Target State handling
@cindex reset
@end deffn
@anchor{load_image}
-@deffn Command {load_image} filename address [@option{bin}|@option{ihex}|@option{elf}]
-Load image from file @var{filename} to target memory at @var{address}.
+@deffn Command {load_image} filename address [[@option{bin}|@option{ihex}|@option{elf}] @option{min_addr} @option{max_length}]
+Load image from file @var{filename} to target memory offset by @var{address} from its load address.
The file format may optionally be specified
-(@option{bin}, @option{ihex}, or @option{elf})
+(@option{bin}, @option{ihex}, or @option{elf}).
+In addition the following arguments may be specifed:
+@var{min_addr} - ignore data below @var{min_addr} (this is w.r.t. to the target's load address + @var{address})
+@var{max_length} - maximum number of bytes to load.
+@example
+proc load_image_bin @{fname foffset address length @} @{
+ # Load data from fname filename at foffset offset to
+ # target at address. Load at most length bytes.
+ load_image $fname [expr $address - $foffset] bin $address $length
+@}
+@end example
@end deffn
@deffn Command {test_image} filename [address [@option{bin}|@option{ihex}|@option{elf}]]
@item @b{LPC2000 Flash} In the configuration file in the section where flash device configurations
are described, there is a parameter for specifying the clock frequency
-for LPC2000 internal flash devices (e.g. @option{flash bank lpc2000
-0x0 0x40000 0 0 0 lpc2000_v1 14746 calc_checksum}), which must be
+for LPC2000 internal flash devices (e.g. @option{flash bank $_FLASHNAME lpc2000
+0x0 0x40000 0 0 $_TARGETNAME lpc2000_v1 14746 calc_checksum}), which must be
specified in kilohertz. However, I do have a quartz crystal of a
frequency that contains fractions of kilohertz (e.g. 14,745,600 Hz,
i.e. 14,745.600 kHz). Is it possible to specify real numbers for the
projects / fw / openocd / blobdiff