X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=TODO;h=8713e818553ce839993c987e425791fc3a4eda31;hp=a57ed248f085830dd88229e8ebc7150816478d6e;hb=6e95f16d0a7d2b07caa1340b3bc3c2309ea12043;hpb=1f917bdc0c498c80f4ef5855dc30eb2f5b58b408 diff --git a/TODO b/TODO index a57ed248f0..8713e81855 100644 --- a/TODO +++ b/TODO @@ -46,7 +46,6 @@ 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 -- 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 @@ -56,8 +55,10 @@ directly in minidriver API for better embedded host performance. The following tasks have been suggested for adding new core JTAG support: -- autodetect devices present on the scan chain - - implement 'discover_taps' command +- Improve autodetection of TAPs by supporting tcl escape procedures that + can configure discovered TAPs based on IDCODE value ... they could: + - Remove guessing for irlen + - Allow non-default irmask/ircapture values - SPI/UART emulation: - (ab)use bit-banging JTAG interfaces to emulate SPI/UART - allow SPI to program flash, MCUs, etc. @@ -79,6 +80,10 @@ There are some known bugs to fix in JTAG adapter drivers: - usbprog.c - vsllink.c - rlink/rlink.c +- bug: USBprog is broken with new tms sequence; it needs 7-clock cycles. + Fix promised from Peter Denison openwrt at marshadder.org + 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 interface support: @@ -91,10 +96,19 @@ interface support: - FT2232 (libftdi): - make performance comparable to alternatives (on Win32, D2XX is faster) - make usability comparable to alternatives +- Autodetect USB based adapters; this should be easy on Linux. If there's + more than one, list the options; otherwise, just select that one. The following tasks have been suggested for adding new JTAG interfaces: - TCP driver: allow client/server for remote JTAG interface control. +This requires a client and a server. The server is built into the +normal OpenOCD and takes commands from the client and executes +them on the interface returning the result of TCP/IP. The client +is an OpenOCD which is built with a TCP/IP minidriver. The use +of a minidriver is required to capture all the jtag_add_xxx() +fn's at a high enough level and repackage these cmd's as +TCP/IP packets handled by the server. @section thelistswd Serial Wire Debug @@ -123,19 +137,25 @@ Once the above are completed: @section thelisttargets Target Support +- Many common ARM cores could be autodetected using IDCODE - general layer cleanup: @par https://lists.berlios.de/pipermail/openocd-development/2009-May/006590.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 +- 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 +https://lists.berlios.de/pipermail/openocd-development/2009-October/011506.html - 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: +- ARM926EJS: - reset run/halt/step is not robust; needs testing to map out problems. - ARM11 improvements (MB?) - add support for asserting srst to reset the core. @@ -199,8 +219,15 @@ https://lists.berlios.de/pipermail/openocd-development/2009-July/009206.html @section thelistdebug Debugger Support +- add support for masks in watchpoints? @par + 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