X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=TODO;h=8aac1575915abf1b8f4164006134c2b5ad88fe97;hp=f567a82f9cba00dc09af8b1596505a2ff597be77;hb=3c65677ba6f1e946a8294a2bcf89990aa8dccc59;hpb=6cb1d10cdad509939e3decf089e08c289d85d5cf diff --git a/TODO b/TODO index f567a82f9c..8aac157591 100644 --- a/TODO +++ b/TODO @@ -1,4 +1,4 @@ -// This file is part of the Doyxgen Developer Manual +// This file is part of the Doxygen Developer Manual /** @page tasks Pending and Open Tasks This page lists pending and open tasks being considered or worked upon @@ -27,8 +27,8 @@ This section provides possible things to improve with OpenOCD's TCL support. parameters. Currently variables assigned through one such parameter command/script are unset before the next one is invoked. -- Isolate all TCL command support: - - Pure C CLI implementations using --disable-builtin-tcl. +- Isolate all TCL command support: + - Pure C CLI implementations using --disable-builtin-tcl. - Allow developers to build new dongles using OpenOCD's JTAG core. - At first, provide only low-level JTAG support; target layer and above rely heavily on scripting event mechanisms. @@ -46,7 +46,7 @@ This section list issues that need to be resolved in 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 -- Encapsulate cmd_queue_cur_state and related varaible handling. +- Encapsulate cmd_queue_cur_state and related variable 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 @@ -85,7 +85,7 @@ There are some known bugs to fix in JTAG adapter drivers: Workaround: use "tms_sequence long" @par https://lists.berlios.de/pipermail/openocd-development/2009-July/009426.html -The following tasks have been suggeted for improving OpenOCD's JTAG +The following tasks have been suggested for improving OpenOCD's JTAG interface support: - rework USB communication to be more robust. Two possible options are: @@ -112,7 +112,7 @@ TCP/IP packets handled by the server. @section thelistswd Serial Wire Debug -- implement Serial Wire Debug interface +- implement Serial Wire Debug interface @section thelistbs Boundary Scan Support @@ -142,6 +142,14 @@ Once the above are completed: https://lists.berlios.de/pipermail/openocd-development/2009-May/006590.html - regression: "reset halt" between 729(works) and 788(fails): @par https://lists.berlios.de/pipermail/openocd-development/2009-July/009206.html +- registers + - add flush-value operation, call them all on resume/reset +- mcr/mrc target->type support + - missing from ARM920t, ARM966e, XScale. + It's possible that the current syntax is unable to support read-modify-write + operations(see arm966e). + - mcr/mrc - retire cp15 commands when there the mrc/mrc commands have been + tested from: arm926ejs, arm720t, cortex_a8 - ARM7/9: - clean up "arm9tdmi vector_catch". Available for some arm7 cores? @par https://lists.berlios.de/pipermail/openocd-development/2009-October/011488.html @@ -157,18 +165,25 @@ https://lists.berlios.de/pipermail/openocd-development/2009-October/011506.html use hardware stepping if available. - 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: + 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. +- Thumb2 single stepping: ARM1156T2 needs simulator support - Cortex A8 support (ML) - add target implementation (ML) +- Cortex M3 support + - when stepping, only write dirtied registers (be faster) + - when connecting to halted core, fetch registers (startup is quirky) - 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 +- ETM + - don't show FIFOFULL registers if they're not supported + - use comparators to get more breakpoints and watchpoints + - add "etm drivers" command + - trace driver init() via examine() paths only, not setup()/reset - 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) @@ -192,18 +207,27 @@ https://lists.berlios.de/pipermail/openocd-development/2009-October/011506.html @section thelistsvf SVF/XSVF -- develop SVF unit tests -- develop XSVF unit tests +- develop SVF unit tests +- develop XSVF unit tests @section thelistflash Flash Support - finish documentation for the following flash drivers: - avr - - ecosflash - pic32mx - ocl - str9xpec +- Don't expect writing all-ones to be a safe way to write without + changing bit values. Minimally it loses on flash modules with + internal ECC, where it may change the ECC. + - NOR flash_write_unlock() does that between sectors + - there may be other cases too + +- Make sure all commands accept either a bank name or a bank number, + and be sure both identifiers show up in "flash banks" and "nand list". + Right now the user-friendly names are pretty much hidden... + @subsection thelistflashcfi CFI - finish implementing bus width/chip width handling (suggested by NC) @@ -217,6 +241,11 @@ https://lists.berlios.de/pipermail/openocd-development/2009-October/011506.html https://lists.berlios.de/pipermail/openocd-development/2009-October/011507.html - breakpoints can get lost in some circumstances: @par https://lists.berlios.de/pipermail/openocd-development/2009-June/008853.html +- add support for masks in watchpoints. The trick is that GDB does not + support a breakpoint mask in the remote protocol. One way to work around + this is to add a separate command "watchpoint_mask add/rem ", that + is run to register a list of masks that the gdb_server knows to use with + a particular watchpoint address. - integrate Keil AGDI interface to OpenOCD? (submitted by Dario Vecchio) @section thelisttesting Testing Suite @@ -280,11 +309,11 @@ These ideas were first introduced here: @par - automatically detect the features that are available, unless options were specifically provided to configure - provide a report of the drivers that will be build at the end of - running configure, so the users can verify which driverswill be + running configure, so the users can verify which drivers will be built during 'make' (and their options) . - eliminate sources of confusion in @c bootstrap script: -# Make @c bootstrap call 'configure --enable-maintainer-mode \'? - -# Add @c buildstrap script to assist with boostrap and configure steps. + -# Add @c buildstrap script to assist with bootstrap and configure steps. - automatically build tool-chains required for cross-compiling - produce mingw32, arm-elf, others using in-tree scripts - build all required target code from sources @@ -295,13 +324,30 @@ These ideas were first introduced here: @par The following architectural tasks need to be accomplished and should be fairly easy to complete: + +- use dynamic allocations for working memory. Scan & fix code +for excessive stack allocations. take linux/scripts/checkstack.pl and +see what the worst offenders are. Dynamic stack allocations are found +at the bottom of the list below. Example, on amd64: + + $ objdump -d | checkstack.pl | head -10 + 0x004311e3 image_open [openocd]: 13464 + 0x00431301 image_open [openocd]: 13464 + 0x004237a4 target_array2mem [openocd]: 4376 + 0x0042382b target_array2mem [openocd]: 4376 + 0x00423e74 target_mem2array [openocd]: 4360 + 0x00423ef9 target_mem2array [openocd]: 4360 + 0x00404aed handle_svf_command [openocd]: 2248 + 0x00404b7e handle_svf_command [openocd]: 2248 + 0x00413581 handle_flash_fill_command [openocd]: 2200 + 0x004135fa handle_flash_fill_command [openocd]: 2200 - clean-up code to match style guides - factor code to eliminate duplicated functionality - rewrite code that uses casts to access 16-bit and larger types from unaligned memory addresses - libopenocd support: @par https://lists.berlios.de/pipermail/openocd-development/2009-May/006405.html -- review and clean up interface/target/flash APIs +- review and clean up interface/target/flash APIs The following strategic tasks will require ambition, knowledge, and time to complete: @@ -319,9 +365,11 @@ to complete: - Develop milestone and release guidelines, processes, and scripts. - Develop "style" guidelines (and scripts) for maintainers: - reviewing patches - - committing to Subversion -- Review The Guide for OpenOCD Users for documentation errors or omissions -- Update The Manual for OpenOCD Developerrs: + - committing to git +- Review Users' Guide for documentation errors or omissions + - "capture" and "ocd_find" commands + - "ocd_" prefix on various stuff +- Update Developer's Manual (doxygen output) - Add documentation describing the architecture of each module - Provide more Technical Primers to bootstrap contributor knowledge