X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=TODO;h=a2ee398bfb32ee0cf49d383a8c4335044ca6a545;hp=13c6578fb539f2d87eea02d786c340901e5003ab;hb=c5949a03a7a6cff4d4c209e81736bcb7548a6e88;hpb=44f72dbdb2d3047362ad1feeb40eee26006b2074 diff --git a/TODO b/TODO index 13c6578fb5..a2ee398bfb 100644 --- a/TODO +++ b/TODO @@ -1,3 +1,4 @@ +// This file is part of the Doyxgen Developer Manual /** @page tasks Pending and Open Tasks This page lists pending and open tasks being considered or worked upon @@ -15,6 +16,9 @@ Feel free to send patches to add or clarify items on this list, too. This section provides possible things to improve with OpenOCD's TCL support. +- Fix problem with incorrect line numbers reported for a syntax + error in a reset init event. + - organize the TCL configurations: - provide more directory structure for boards/targets? - factor configurations into layers (encapsulation and re-use) @@ -35,11 +39,16 @@ This section list issues that need to be resolved in the JTAG layer. @subsection thelistjtagcore JTAG Core -The following tasks have been suggeted for cleaning up the JTAG layer: +The following tasks have been suggested for cleaning up the JTAG layer: - use tap_set_state everywhere to allow logging TAP state transitions - rename other tap_states to use standard JTAG names (suggested by ML) - Encapsulate cmd_queue_cur_state and related varaible handling. +- add slick 32 bit versions of jtag_add_xxx_scan() that avoids +buf_set_u32() calls and other evidence of poor impedance match between +API and calling code. New API should cut down # of lines in calling +code by 100's and make things clearer. Also potentially be supported +directly in minidriver API for better embedded host performance. The following tasks have been suggested for adding new core JTAG support: @@ -51,6 +60,22 @@ The following tasks have been suggested for adding new core JTAG support: @subsection thelistjtaginterfaces JTAG Interfaces +There are some known bugs to fix in JTAG adapter drivers: + +- For JTAG_STATEMOVE to TAP_RESET, all drivers must ignore the current + recorded state. The tap_get_state() call won't necessarily return + the correct value, especially at server startup. Fix is easy: in + that case, always issue five clocks with TMS high. + - amt_jtagaccel.c + - arm-jtag-ew.c + - bitbang.c + - bitq.c + - gw16012.c + - jlink.c + - usbprog.c + - vsllink.c + - rlink/rlink.c + The following tasks have been suggeted for improving OpenOCD's JTAG interface support: @@ -60,7 +85,7 @@ interface support: - J-Link driver: - fix to work with long scan chains, such as R.Doss's svf test. - FT2232 (libftdi): - - make performance comparable to alternatives + - make performance comparable to alternatives (on Win32, D2XX is faster) - make usability comparable to alternatives The following tasks have been suggested for adding new JTAG interfaces: @@ -96,11 +121,41 @@ Once the above are completed: - general layer cleanup: @par https://lists.berlios.de/pipermail/openocd-development/2009-May/006590.html +- regression: xscale does not place debug_handler.bin into the right spot. workaround: + use -s option on command line to place xscale/debug_handler.bin in search path @par + https://lists.berlios.de/pipermail/openocd-development/2009-July/009338.html +- bug: either USBprog is broken with new tms sequence or there is a general + problem with XScale and the new tms sequence. Workaround: use "tms_sequence long" + @par + https://lists.berlios.de/pipermail/openocd-development/2009-July/009426.html +- regression: "reset halt" between 729(works) and 788(fails): @par +https://lists.berlios.de/pipermail/openocd-development/2009-July/009206.html +- ARM7/9: + - add reset option to allow programming embedded ice while srst is asserted. + Some CPUs will gate the JTAG clock when srst is asserted and in this case, + it is necessary to program embedded ice and then assert srst afterwards. +- ARM923EJS: + - reset run/halt/step is not robust; needs testing to map out problems. - ARM11 improvements (MB?) - - fix single stepping (reported by ØH) + - fix single stepping (reported by ØH). Need to automatically + use hardware stepping if available. + - hunt down and add timeouts to all infinite loops, e.g. arm11_run_instr_no_data would + lock up in infinite loop if e.g. an "mdh" command tries to read memory from invalid memory location. + Try mdh 0x40000000 on i.MX31 PDK + - mdb can return garbage data if read byte operation fails for + a memory region(16 & 32 byte access modes may be supported). Is this + a bug in the .MX31 PDK init script? Try on i.MX31 PDK: + mdw 0xb80005f0 0x8, mdh 0xb80005f0 0x10, mdb 0xb80005f0 0x20. mdb returns + garabage. - implement missing functionality (grep FNC_INFO_NOTIMPLEMENTED ...) + - thumb support is missing: ISTR ARMv6 requires Thumb. + ARM1156 has Thumb2; ARM1136 doesn't. - Cortex A8 support (ML) - add target implementation (ML) +- Generic ARM run_algorithm() interface + - tagged struct wrapping ARM instructions and metadata + - not revision-specific (current: ARMv4+ARMv5 -or- ARMv6 -or- ARMv7) + - usable with at least arm_nandwrite() and generic CFI drivers - MC1322x support (JW/DE?) - integrate and test support from JW (and DE?) - get working with a known good interface (i.e. not today's jlink) @@ -141,7 +196,7 @@ Once the above are completed: - finish implementing bus width/chip width handling (suggested by NC) - factor vendor-specific code into separate source files - add new callback interface for vendor-specific code -- investigate/implement "thin wrapper" to use eCos CFI drivers (ØH) +- investigate/implement "thin wrapper" to use eCos CFI drivers (ØH) @section thelistdebug Debugger Support