It seem that ST-LINK_gdbserver does not implement load to run.
(gdb) tar ext :61234
Remote debugging using :61234
0x0800004e in ?? ()
(gdb) info mem
Using memory regions provided by the target.
Num Enb Low Addr High Addr Attrs
0 y 0x00000000 0x08000000 rw nocache
1 y 0x08000000 0x08200000 flash blocksize 0x2000 nocache
2 y 0x08200000 0x0c000000 rw nocache
3 y 0x0c000000 0x0c200000 flash blocksize 0x2000 nocache
4 y 0x0c200000 0xffffffff rw nocache
(gdb) load
Loading section .isr, size 0x2c lma 0x20000000
Loading section .text, size 0x4d08 lma 0x20000230
Loading section .data, size 0x32c lma 0x20004f38
Loading section .vtable, size 0x2b8 lma 0x20005264
Start address 0x2000027c, load size 21272
Transfer rate: 692 KB/sec, 4254 bytes/write.
(gdb) compare-section
Section .isr, range 0x20000000 -- 0x2000002c: MIS-MATCHED!
Section .text, range 0x20000230 -- 0x20004f38: MIS-MATCHED!
Section .data, range 0x20004f38 -- 0x20005264: MIS-MATCHED!
Section .vtable, range 0x20005264 -- 0x2000551c: MIS-MATCHED!
warning: One or more sections of the target image does not match
the loaded file
The same sequence works when runing the blackmagic hosted application:
(gdb) tar ext :2000
Remote connection closed
(gdb) tar ext :2000
Remote debugging using :2000
(gdb) mon s
Target voltage: 3.29V
Available Targets:
No. Att Driver
1 STM32U575/585 M33
(gdb) att 1
Attaching to program: /samsung/home/bon/devel/en_apps/mrf89xa/nucleo_h7s3l8/mrf89xa.elf, Remote target
<signal handler called>
(gdb) load
Loading section .isr, size 0x2c lma 0x20000000
Loading section .text, size 0x4d08 lma 0x20000230
Loading section .data, size 0x32c lma 0x20004f38
Loading section .vtable, size 0x2b8 lma 0x20005264
Start address 0x2000027c, load size 21272
Transfer rate: 187 KB/sec, 886 bytes/write.
(gdb) compare-section
Section .isr, range 0x20000000 -- 0x2000002c: matched.
Section .text, range 0x20000230 -- 0x20004f38: matched.
Section .data, range 0x20004f38 -- 0x20005264: matched.
Section .vtable, range 0x20005264 -- 0x2000551c: matched.
(gdb)
Both debuggers tag the RAM as "rw nocache". "info mem"
Stlink :4 y 0x0c200000 0xffffffff rw nocache
BMDA:3 y 0x20000000 0x200c0000 rw nocache
Stlink firmware and ST_Link_gdbserver are recent:
STMicroelectronics ST-LINK GDB server. Version 7.7.0
ST-LINK Firmware version : V3J13M4
