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In this thread from 2020 it was discussed, that writing to coprocessor (CP15) registers via JLinkScript is not possible yet and was planned to be implemented next year (2021). Is there meanwhile an option to write to the CP15 registers via JLinkScript files? I couldn't find anything about it in the documentation / release notes. We need this feature. We use the Renesas e²studio and we aren't able to use the "monitor cp15" command, because e²studio uses it's own gdb server, which doesn't support …

So there is no way to tell the debugger it should also halt the peripherals, when a breakpoint is set or variables/memory is read with the debugger?

Hello, Driving the JTAG pins manually in order to reset the CPU didn't helped me, connect still failed. What does "connect" exactly do? If connect fails, I'm not able to execute any further command. In my opinion a debugger should always be able to connect and halt the CPU, so that a new firmware can be programmed. I found the following workaround for me: 1. Connect the J-Link to another running device 2. Open the J-Link commander and connect to the running device 3. Disconnect the J-Link from t…

Hello, The application is copied by the system loader of the RZ/T1 CPU from the SPI flash into the RAM and then executed from the RAM. I suppose, the application crashes somewhere after the copy process, when executed from the internal RAM. Using a low speed (4-50 kHz) doesn't work. How do I hold the CPU in reset for the connect? No, no jumper or other possibility to disconnect / change the boot memory location. Can I somehow use a custom J-Link script file to reset the CPU (by driving the JTAG …

Hello, I have a board with Renesas RZ/T1 (R7S910016, Cortex-R4) and an external SPI FLASH. I loaded bad firmware by mistake so that the firmware is not running. Now the J-Link Plus isn't able to connect to the CPU so I'm not able to load new running firmware. I've tried e2studio, Ozone, J-Link commander - everything without any success. Error output of the J-Link commander: Source Code (20 lines) How do I now connect to the CPU in order to load new running firmware? Unsoldering the current FLASH…

Hi, This occurs when the application is running and the breakpoint is set (even if the debugger doesn't stop at the breakpoint). It sometimes happens when the debug session is started (without any breakpoints). Without the debugger the program is running without any problems / errors. Best regards, Jimmie

Hi, I'm using the J-Link Pro with e2studio and Renesas RZ/T1 CPU. If I set a breakpoint then the program flow is disturbed and the program on the target device triggers some errors. I'm using an ISR and additional Compare Match Timers. I suppose that the J-Link disables the interrupts in the CPU, when the breakpoint is set, but the Compare Match Timer is not stopped so that it is further incremented in the background. Can I somehow set the J-Link, so that not only the interrupts are disabled but…