jtag-api: get rid of unecessary buf_set_u23() that make code obtuse.

[openocd.git] / TODO

diff --git a/TODO b/TODO
index fa9477ac84d7bd03af7293ad227d140bb7fb3818..8713e818553ce839993c987e425791fc3a4eda31 100644 (file)
--- a/TODO
+++ b/TODO
@@ -55,8 +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.
@@ -78,6 +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:
@@ -90,6 +96,8 @@ 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:
 
@@ -129,23 +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". Should be available for other arm9
-  (e.g. arm926ejs) and some(???) arm7 cores. @par 
-https://lists.berlios.de/pipermail/openocd-development/2009-October/011488.html  
+  - 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.
@@ -213,6 +223,11 @@ 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 <addr> <mask>", 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