Hi @Pavel A.
I followed your suggestion but the solution wasn't straightforward.
I looked through the generated config file and found the following two source statements:
source [find interface/stlink-dap.cfg]
...
source [find target/stm32u0x.cfg]
The file stlink-dap.cfg can be found in this location
$ find /usr -name "stlink-dap.cfg"
/usr/local/share/openocd/scripts/interface/stlink-dap.cfg
and the location created by CubeIDE installation:
$ find /opt/st/stm32cubeide_1.18.0/ -name "stlink-dap.cfg"
/opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/interface/stlink-dap.cfg
From what I can tell, the only difference between the two is the addition of the vid_pid pair, '0x0483 0x3744' to the /usr/share version. So, I guess, I could use either of these files without issues. Is that right?
The file in the second source statement, "source [find target/stm32u0x.cfg]" does not exist anywhere under the /usr heirarchy.
However, it does appear here:
find /opt/st/stm32cubeide_1.18.0/ -name "stm32u0x.cfg"
/opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/target/stm32u0x.cfg
There's also another identical copy of this file kept here:
$ find . -name "stm32u0x.cfg"
./.eclipse/com.st.stm32cube.ide.mcu.rcp.product_1.17.0_139066135_linux_gtk_x86_64/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/target/stm32u0x.cfg
3. When I look at the contents of stm32u0x.cfg, the first 3 non-comment lines are:
source [find target/swj-dp.tcl]
source [find mem_helper.tcl]
source [find gdb_helper.tcl]
The first file is available in two locations:
$ find /usr -name "swj-dp.tcl"
/usr/local/share/openocd/scripts/target/swj-dp.tcl
$ find /opt/st/stm32cubeide_1.18.0/ -name "swj-dp.tcl"
/opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/target/swj-dp.tcl
Differences:
diff -d -I '^#' -I '^ *#' /usr/local/share/openocd/scripts/target/swj-dp.tcl /opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/target/swj-dp.tcl
1,2d0
< # SPDX-License-Identifier: GPL-2.0-or-later
<
29c27,29
< if [using_jtag] {
---
> if [using_hla] {
> eval hla newtap $chip $tag $args
> } elseif [using_jtag] {
33,35d32
< } else {
< echo "Error: transport '[ transport select ]' not supported by swj_newdap"
< shutdown
The differences between these files are minimal (something about using_hla - not
sure what that means or if its relevant).
The second file:
$ find /usr -name "mem_helper.tcl"
/usr/local/share/openocd/scripts/mem_helper.tcl
$ find /opt/st/stm32cubeide_1.18.0 -name "mem_helper.tcl"
/opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/mem_helper.tcl
diff -d -I '^#' -I '^ *#' /usr/local/share/openocd/scripts/mem_helper.tcl /opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/mem_helper.tcl
1,2d0
< # SPDX-License-Identifier: GPL-2.0-or-later
<
Differences are just in the comments.
However, the third file, gdb_helper.tcl, is only found in one place:
$ find /usr -name "gdb_helper.tcl"
$ find /opt/st/stm32cubeide_1.18.0/ -name "gdb_helper.tcl"
/opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mcu.debug.openocd_2.3.100.202501240831/resources/openocd/st_scripts/gdb_helper.tcl
/opt/st/stm32cubeide_1.18.0/plugins/com.st.stm32cube.ide.mpu.debug.openocd_2.2.0.202409171044/resources/openocd/st_scripts/gdb_helper.tcl
After discovering all this, this what I did:
a. Copy all these files to a local heirarchy like so.
$ tree
.
├── Blinky2_Debug.cfg
└── scripts
├── gdb_helper.tcl
├── interface
│ └── stlink-dap.cfg
├── mem_helper.tcl
└── target
├── stm32u0x.cfg
└── swj-dp.tcl
3 directories, 6 files
b. Edit Blinky2_Debug.cfg, adding the following line before the first source
statement:
add_script_search_dir "./scripts/"
c. From this local directory, run the following command
openocd -c -f ./Blinky2_Debug.cfg
d. In another termial, run gdb as follows:
gdb-multiarch -q -ex "target remote :3333" ./program.elf
WHEW! IT WORKED!
(Edits: just cleaning up a couple of typos and missing spaces)
