Comments (2)
sv8194
commented on August 22, 2024
It seems to me it's only a problem if I load/run the code from RAM. Flash works fine. I guess I missed some steps for gdb to run it properly from RAM?
I commented out "pico_set_binary_type(test_led no_flash)" from CMakeLists.txt and the problem was no longer there.
I tried "-DPICO_NO_FLASH=1" to cmake, it didn't fix it.
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majbthrd
commented on August 22, 2024
It has absolutely nothing to do with pico-debug.
Think about it. The only Raspberry-approved way to run a RAM target is to load a specially crafted .uf2 that the Mask ROM is designed to branch to. From the very start, you are asking the RP2040 target to do something it is not designed to do.
OpenOCD and gdb have a generic ARM debugger implementation that assumes that all execution starts from a reset, which in the RP2040 case means executing the Mask ROM... which has no interest or knowledge of your custom RAM code.
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Related Issues (20)
- openocd build error for macOS HOT 10
- Support for Adafruit Feather RP2040? HOT 1
- pico-debug.cfg? where is it? HOT 2
- Can I include the two pico-debug-xxxx.uf2 in my repository? HOT 2
- pico-debug might interfere "no-flash" image HOT 13
- Any way to use pico-debug over UART? HOT 3
- pico-debug under WSL2 using usbipd-win - openocd with debug output reports "skipping interface 0, endpoint[0] is not bulk out" HOT 8
- Crash after a few steps with simple blink HOT 6
- pico-debug is not recognised in Win11 for Arm in Parallel Desktop (for Mac M1) HOT 3
- I met a problem "Error: Sequence 4 not supported" HOT 1
- Can't Find Any CMSIS-DAP Device HOT 5
- Core 0 with pico-debug resident wakes up at different clock frequency HOT 4
- OpenBSD compatibility HOT 9
- Error: unable to find a matching CMSIS-DAP device HOT 4
- DAP init failed with OpenOCD and arduino-pico HOT 3
- Is there any way to use serial port in this daplink? HOT 2
- Does it work for pico-w ? How to build pico-debug for pico W board? HOT 1
- MacOS: CMSIS-DAP command CMD_DISCONNECT failed HOT 5
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