st-info --probe Found 1 stlink programmers version: V3J8 serial: 002C00183431511437393330 flash: 2097152 (pagesize: 8192) sram: 804864 chipid: 0x482 dev-type: STM32U5x5
openocd -f "interface/stlink.cfg" -c "transport select hla_swd" -f "target/stm32u5x.cfg" Open On-Chip Debugger 0.12.0+dev-00246-geebcf3cff (2023-06-28-00:03) Licensed under GNU GPL v2 For bug reports, read http://openocd.org/doc/doxygen/bugs.html hla_swd Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD Warn : The selected adapter does not support debugging this device in secure mode Info : Listening on port 6666 for tcl connections Info : Listening on port 4444 for telnet connections Info : clock speed 500 kHz Info : STLINK V3J8M3 (API v3) VID:PID 0483:374E Info : Target voltage: 3.309237 Info : [stm32u5x.cpu] Cortex-M33 r0p4 processor detected Info : [stm32u5x.cpu] target has 8 breakpoints, 4 watchpoints Info : starting gdb server for stm32u5x.cpu on 3333 Info : Listening on port 3333 for gdb connections
gdb-multiarch (gdb) set arch arm The target architecture is assumed to be arm (gdb) target extended-remote localhost:3333 Remote debugging using localhost:3333 warning: No executable has been specified and target does not support determining executable automatically. Try using the "file" command. 0x0800263c in ?? () (gdb) info reg r0 0x3e8 1000 r1 0x7 7 r2 0x3bf 959 r3 0x2000044c 536872012 r4 0xe000e010 -536813552 r5 0x0 0 r6 0x0 0 r7 0x0 0 r8 0xffffffff -1 r9 0xffffffff -1 r10 0xffffffff -1 r11 0xffffffff -1 r12 0xffffffff -1 sp 0x200bfff0 0x200bfff0 lr 0x80006fb 134219515 pc 0x8000710 0x8000710 xPSR 0x29000000 687865856 fpscr 0x0 0 msp 0x200bfff0 0x200bfff0 psp 0x0 0x0 primask 0x0 0 basepri 0x0 0 faultmask 0x0 0 control 0x0 0 msp_ns 0x0 0x0 psp_ns 0x0 0x0 msp_s 0x0 0x0 psp_s 0x0 0x0 msplim_s 0x0 0x0 psplim_s 0x0 0x0 msplim_ns 0x0 0x0 psplim_ns 0x0 0x0 primask_s 0x0 0 basepri_s 0x0 0 faultmask_s 0x0 0 control_s 0x0 0 primask_ns 0x0 0 basepri_ns 0x0 0 faultmask_ns 0x0 0 control_ns 0x0 0