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nuttx/include/sys
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Gao Jiawei 564c9d7dcd arm: systick: fix off-by-one in SysTick RELOAD programming 
ARM specifies that SysTick RELOAD must be programmed with N-1 to get a period of N CPU cycles.
Adjust the timeout/reload conversions accordingly: subtract 1 when writing RELOAD and add 1 back when converting RELOAD to a timeout/interval.
Also clamp RELOAD to the valid 24-bit range (1..0x00ffffff) for Armv7-M/Armv8-M to avoid invalid values.
Reference: https://developer.arm.com/documentation/dui0646/c/Cortex-M7-Peripherals/System-timer--SysTick/SysTick-Reload-Value-Register

Signed-off-by: Gao Jiawei <gaojiawei@xiaomi.com>
2026-01-26 19:34:00 +08:00
..
boardctl.h
boards/boardctl: Add BOARDIOC_MACADDR command
2026-01-22 22:13:31 +08:00
custom_file.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
endian.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
epoll.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
eventfd.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
fcntl.h
fcntl: add sys/fcntl.h header file
2024-12-20 11:46:14 -03:00
file.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
gmon.h
libs: add gprof arm64 support
2024-10-10 18:46:51 +08:00
inotify.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
ioctl.h
sys/ioctl: extend the IOCTL defintion that compatible with linux kernel
2026-01-14 09:39:51 +08:00
ipc.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
mman.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
mount.h
drivers/fs: Control the behavior of FTL by passing oflags during the open process.
2025-07-16 14:11:41 +08:00
msg.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
param.h
arm: systick: fix off-by-one in SysTick RELOAD programming
2026-01-26 19:34:00 +08:00
pciio.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
poll.h
fs/poll: remove poll_fdsetup
2025-05-26 18:49:45 +08:00
prctl.h
proctl: add PR_SET_DUMPABLE support
2024-12-20 11:46:14 -03:00
queue.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
random.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
resource.h
sys/resouce: add RLIM_NLIMITS definition
2026-01-15 16:08:23 -03:00
select.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
sem.h
sem: add sys/sem.h header file
2024-12-20 11:46:14 -03:00
sendfile.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
shm.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
signal.h
signal: add include/sys/signal.h to the signal
2024-12-20 11:46:14 -03:00
signalfd.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
socket.h
net: make the sendmsg param type consistent with posix specification
2026-01-16 21:11:39 +08:00
sockio.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
stat.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
statfs.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
statvfs.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
syscall_lookup.h
pthread: move pthread_cond to userspace
2026-01-26 16:26:39 +08:00
syscall.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
sysinfo.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
sysmacros.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
time.h
syscall/adjtime: fix minior issue about adjtime and add clock_adjtime to syscall
2025-12-30 10:22:09 -03:00
timerfd.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
times.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
timex.h
sched/clock: support using CLOCKFD to call clock_adjtime
2025-12-30 10:22:09 -03:00
tree.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
types.h
sys/types.h: Fixed the conflict issue with the "OK" constant definition
2026-01-16 16:16:21 +08:00
uio.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
un.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
utsname.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
vfs.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
video_controls.h
include: migrate to SPDX identifier
2024-10-04 08:18:42 +08:00
videoio.h
style: fix spelling in code comments and strings
2025-05-23 10:48:41 +08:00
wait.h
sys/wait: add WCOREDUMP defintion
2026-01-15 23:16:27 +08:00