GDB test connection from FreeBSD 13.0 x86_64 (GhostBSD ) to Black Magic Probe hardware

 

 GDB test connection from FreeBSD 13.0 x86_64 (GhostBSD ) to Black Magic Probe hardware

https://black-magic.org/usage/gdb-commands.html  BMP GDB commands

https://sourceware.org/gdb/   GDB command listing

sudo gdb

GNU gdb (GDB) 12.1 [GDB v12.1 for FreeBSD]

Copyright (C) 2022 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software: you are free to change and redistribute it.

There is NO WARRANTY, to the extent permitted by law.

Type "show copying" and "show warranty" for details.

This GDB was configured as "aarch64-portbld-freebsd14.0".

Type "show configuration" for configuration details.

For bug reporting instructions, please see:

<https://www.gnu.org/software/gdb/bugs/>.

Find the GDB manual and other documentation resources online at:

    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".

Type "apropos word" to search for commands related to "word".

 

(gdb)  set arch aarch64 

The target architecture is set to "aarch64".

(gdb) target extended-remote /dev/ttyu0

/dev/ttyu0: No such file or directory.

 

                                pstat -t       listing

 fred@fredTC93-pc ~> pstat -t
      LINE   INQ  CAN  LIN  LOW  OUTQ  USE  LOW   COL  SESS  PGID STATE
     ttyu2 23040    0    0 2304 23064    0 2307    11     0     0 ICOiX
     ttyv0  1920    0    0  192  1984    0  199   625  4081  4081 Oicl
     ttyv1  1920    0    0  192  1984    0  199     7  4082  4082 Oil
     ttyv2  1920    0    0  192  1984    0  199     7  4083  4083 Oil
     ttyv3  1920    0    0  192  1984    0  199     7  4084  4084 Oil
     ttyv4  1920    0    0  192  1984    0  199     7  4085  4085 Oil
     ttyv5  1920    0    0  192  1984    0  199     7  4086  4086 Oil
     ttyv6  1920    0    0  192  1984    0  199     7  4087  4087 Oil
     ttyv7  1920    0    0  192  1984    0  199     7  4088  4088 Oil
     ttyv8  1920 1920    0  192  1984    0  199     0     0     0 OiHil
     ttyv9     0    0    0    0     0    0    0     0     0     0 -
     ttyva     0    0    0    0     0    0    0     0     0     0 -
     ttyvb     0    0    0    0     0    0    0     0     0     0 -
     ttyU0     0    0    0    0     0    0    0     0     0     0 IC
     ttyU1 23040    0    0 2304 23064    0 2307   567     0     0 ICOiX
     pts/0  1920    0    0  192  1984    0  199    13  4481  8524 Oi
     pts/1     0    0    0    0     0    0    0    11  5057     0 G
     pts/2  1920    0    0  192  1984    0  199 21719  5310  5439 Oi
     pts/3  1920    0    0  192  1984    0  199     4  5465  5465 Oi
     pts/4  1920    0    0  192  1984    0  199     0  8660  8780 Oi
fred@fredTC93-pc ~>

 

sudo gdb 

password:

(gdb) set arch aarch64
The target architecture is set to "aarch64".
(gdb) target extended-remote /dev/ttyU0
Remote debugging using /dev/ttyU0
(gdb) mon version
Black Magic Probe (Firmware v1.7.1-1-g0e7e276) (Hardware Version 3)
Copyright (C) 2015  Black Sphere Technologies Ltd.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

(gdb) 

 

(gdb) set arch aarch64
The target architecture is set to "aarch64".
(gdb) target extended-remote /dev/ttyU0
Remote debugging using /dev/ttyU0
(gdb) mon version
Black Magic Probe (Firmware v1.7.1-1-g0e7e276) (Hardware Version 3)
Copyright (C) 2015  Black Sphere Technologies Ltd.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

(gdb) Quit
(gdb) monitor jtag_scan
Target voltage: 3.3V
Available Targets:
No. Att Driver
No usable targets found.
(gdb) monitor swdp_scan
Target voltage: 3.3V
SW-DP scan failed!
(gdb) mon targets
Available Targets:
No. Att Driver
No usable targets found.
(gdb) mon vers
Black Magic Probe (Firmware v1.7.1-1-g0e7e276) (Hardware Version 3)
Copyright (C) 2015  Black Sphere Technologies Ltd.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

(gdb) mon help
General commands:
    version -- Display firmware version info
    help -- Display help for monitor commands
    jtag_scan -- Scan JTAG chain for devices
    swdp_scan -- Scan SW-DP for devices
    targets -- Display list of available targets
    morse -- Display morse error message
    halt_timeout -- Timeout (ms) to wait until Cortex-M is halted: (Default 2000)
    connect_srst -- Configure connect under SRST: (enable|disable)
    hard_srst -- Force a pulse on the hard SRST line - disconnects target
    tpwr -- Supplies power to the target: (enable|disable)
    traceswo -- Start trace capture, Manchester mode: (decode channel ...)
    heapinfo -- Set semihosting heapinfo
(gdb) mon tpwr
Target Power: disabled
(gdb) mon traceswo
BFE3DFEC:05:85
(gdb) mon heapinfo
not attached
(gdb)
 

(gdb) mon halt_timeout
Cortex-M timeout to wait for device haltes: 2000
(gdb) mon morse
(gdb) mon version
Black Magic Probe (Firmware v1.7.1-1-g0e7e276) (Hardware Version 3)
Copyright (C) 2015  Black Sphere Technologies Ltd.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

(gdb)