pbarada opened a new pull request, #18442:
URL: https://github.com/apache/nuttx/pull/18442
Update UNUSED() for arm builds
## Summary
+ Change arm definition of UNUSED() for gcc/clang builds to cast arg to void.
+ Enable -Wunused-parameter warning for ARM non-GHS toolchains.
+ Fix unused parameter warnings where argc is unused. In cases where
corresponding argv[] is used, first return ERROR if argc is less than dimension
of argv[].
Note: This PR does not address all now-generated unused parameter warnings
on ARM.
## Impact
+ User experience: No adaptation required.
+ Build: No impact(outside of unused parameter warnings on ARM)
+ Hardware: Should not affect ARM-based boards.
+ Documentation: No impact.
+ Security: No impact.
+ Compatibility: No impact.
## Testing
Build Host:
+ OS: Ubuntu 24.04.4 LTS
+ Compiler: arm-none-eabi-gcc 13.2.1
Target:
+ Architecture: ARM (STM32H7x3ZIx)
+ Board: Nucleo-h743zi2
+ Configuration: Default nucleo-h743zi2:jumbo configuration
Testing performed:
+ Connected Ethernet to nucleo-h743zi2
+ Connected FAT-32 USB stick via OTG cable to USB OTG connector
+ Ran commands/log as shown in target documentation
Runtime testing:
```
ADE
telnetd [6:100]
NuttShell (NSH) NuttX-12.12.0
nsh> uname -a
NuttX 12.12.0 6d092be2b1-dirty Feb 25 2026 14:41:19 arm nucleo-h743zi2
nsh> ?
help usage: help [-v] [<cmd>]
. cp expr mkrd route truncate
[ cmp false mount set uname
? dirname fdinfo mv kill umount
addroute date free nslookup pkill unset
alias delroute help pidof sleep uptime
unalias df hexdump printf usleep watch
arp dmesg ifconfig ps source wget
basename echo irqinfo pwd test xd
break env ls reboot top wait
cat exec mkdir rm time
cd exit mkfatfs rmdir true
Builtin Apps:
buttons getprime netcat ping tc
dd hidkbd nsh renew telnetd
fstest iperf ostest sh
nsh> date; sleep 2; date
Tue, Dec 06 00:00:30 2011
Tue, Dec 06 00:00:32 2011
nsh> ls
/:
dev/
mnt/
proc/
nsh> free
total used free maxused maxfree nused nfree name
956460 158452 798008 158848 464408 64 5 Umem
nsh> irqinfo
IRQ HANDLER ARGUMENT COUNT RATE TIME
11 080012f1 00000000 1136 34.708 0
15 08007f21 00000000 3273 100.000 1
55 080007a1 24000000 1425 43.538 5
77 08008371 00000000 8 0.244 2
117 0803c395 00000000 206 6.324 21558
nsh> ifconfig
eth0 Link encap:Ethernet HWaddr ea:63:b9:20:1d:46 at RUNNING mtu 1486
inet addr:10.0.0.2 DRaddr:10.0.0.1 Mask:255.255.255.0
lo Link encap:Local Loopback at RUNNING mtu 1518
inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
IPv4 TCP UDP ICMP
Received 0003 0000 0003 0000
Dropped 0000 0000 0000 0000
IPv4 VHL: 0000 Frg: 0000
Checksum 0000 0000 0000 ----
TCP ACK: 0000 SYN: 0000
RST: 0000 0000
Type 0000 ---- ---- 0000
Sent 0000 0000 0000 0000
Rexmit ---- 0000 ---- ----
nsh> renew eth0
nsh> ifconfig eth0
eth0 Link encap:Ethernet HWaddr ea:63:b9:20:1d:46 at RUNNING mtu 1486
inet addr:192.168.3.110 DRaddr:192.168.3.1 Mask:255.255.255.0
nsh> ping www.google.com
PING 142.250.217.132 56 bytes of data
56 bytes from 142.250.217.132: icmp_seq=0 time=20.0 ms
56 bytes from 142.250.217.132: icmp_seq=1 time=20.0 ms
56 bytes from 142.250.217.132: icmp_seq=2 time=10.0 ms
56 bytes from 142.250.217.132: icmp_seq=3 time=10.0 ms
56 bytes from 142.250.217.132: icmp_seq=4 time=10.0 ms
56 bytes from 142.250.217.132: icmp_seq=5 time=20.0 ms
56 bytes from 142.250.217.132: icmp_seq=6 time=10.0 ms
56 bytes from 142.250.217.132: icmp_seq=7 time=10.0 ms
56 bytes from 142.250.217.132: icmp_seq=8 time=10.0 ms
56 bytes from 142.250.217.132: icmp_seq=9 time=10.0 ms
10 packets transmitted, 10 received, 0% packet loss, time 10100 ms
rtt min/avg/max/mdev = 10.000/13.000/20.000/4.582 ms
nsh> ls /dev
/dev:
buttons
console
kmsg
null
rammtd
sda
telnet
ttyS0
zero
nsh> ls /mnt
/mnt:
lfs/
nsh> echo "This will go away on reboot." > /mnt/lfs/afile
nsh> cat /mnt/lfs/afile
This will go away on reboot.
nsh> mount -t vfat /dev/sda /mnt/sda
nsh> echo "This will stay on the USB drive" > /mnt/sda/afile
nsh> ls /mnt/sda
/mnt/sda:
GARMIN/
afile
nsh> ls /mnt/lfs
/mnt/lfs:
.
..
afile
nsh> ls /mnt
/mnt:
lfs/
sda/
nsh> mount -t vfat /dev/sda /mnt/sda
nsh: mount: mount failed: 20
nsh> ls /mnt/sda
/mnt/sda:
GARMIN/
afile
nsh> cat /mnt/sda/afile
This will stay on the USB drive
nsh>
```
```
peter@legion:~$ telnet 192.168.3.110
Trying 192.168.3.110...
Connected to 192.168.3.110.
Escape character is '^]'.
NuttShell (NSH) NuttX-12.12.0
nsh> ps
TID PID PPID PRI POLICY TYPE NPX STATE EVENT SIGMASK
STACK USED FILLED CPU COMMAND
0 0 0 0 FIFO Kthread - Ready
0000000000000000 0001000 0000544 54.4% 100.0% Idle_Task
1 0 0 224 RR Kthread - Waiting Semaphore
0000000000000000 0001976 0000592 29.9% 0.0% hpwork 0x24000120 0x24000168
2 0 0 100 RR Kthread - Waiting Semaphore
0000000000000000 0001976 0000592 29.9% 0.0% lpwork 0x240000bc 0x24000104
3 3 0 100 RR Task - Waiting Semaphore
0000000000000000 0004048 0001736 42.8% 0.0% nsh_main
4 0 0 100 RR Kthread - Waiting Semaphore
0000000000000000 0002008 0000856 42.6% 0.0% usbhost
5 0 0 50 RR Kthread - Waiting Signal
0000000000000000 0004048 0000536 13.2% 0.0% USB_Monitor
6 6 0 100 RR Task - Waiting Semaphore
0000000000000000 0002008 0000880 43.8% 0.0% telnetd
10 10 0 100 RR Task - Running
0000000000000000 0002000 0001864 93.2%! 0.0% Telnet_session
nsh> ^]
telnet> quit
Connection closed.
peter@legion:~$
```
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