gistfile1.txt

//file .gdbinit
orbtrace -p vtref,3.3 -e vtref,on

//file board.ocd
source [find interface/cmsis-dap.cfg]
source [find target/stm32h7x_dual_bank.cfg]

//file linker.ld
https://gist.github.com/retif/8b6106beb179614b2912d4f6f7f23e0a

//command
openocd -f board.ocd -c "program ofiles/simple.elf"

//output
(base) alex@hp-laptop:~/projects/orbmule/examples/simple$ openocd -f board.ocd -c "program ofiles/simple.elf"
Open On-Chip Debugger 0.11.0
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport "swd". To override use 'transport select <transport>'.
Info : Using CMSIS-DAPv2 interface with VID:PID=0x1209:0x3443, serial=326C708163008E06
Info : CMSIS-DAP: SWD  Supported
Info : CMSIS-DAP: JTAG Supported
Info : CMSIS-DAP: FW Version = 2.1.0
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 1 TDO = 1 nTRST = 1 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 1800 kHz
Info : SWD DPIDR 0x6ba02477
Info : stm32h7x.cpu0: hardware has 8 breakpoints, 4 watchpoints
Info : starting gdb server for stm32h7x.cpu0 on 3333
Info : Listening on port 3333 for gdb connections
Error: timed out while waiting for target halted
embedded:startup.tcl:530: Error: ** Unable to reset target **
in procedure 'program' 
in procedure 'program_error' called at file "embedded:startup.tcl", line 567
at file "embedded:startup.tcl", line 530