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hujun5 a567148888 sched: add up_this_task and up_change_task macro stub 
reason:
We can utilize percpu storage to hold information about the
current running task. If we intend to implement this feature, we would
need to define two macros that help us manage this percpu information
effectively.

up_this_task: This macro is designed to read the contents of the percpu
              register to retrieve information about the current
              running task.This allows us to quickly access
              task-specific data without having to disable interrupts,
              access global variables and obtain the current cpu index.

up_update_task: This macro is responsible for updating the contents of
                the percpu register.It is typically called during
                initialization or when a context switch occurs to ensure
                that the percpu register reflects the information of the
                newly running task.

Configuring NuttX and compile:
$ ./tools/configure.sh -l qemu-armv8a:nsh_smp
$ make
Running with qemu
$ qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic \
   -machine virt,virtualization=on,gic-version=3 \
   -net none -chardev stdio,id=con,mux=on -serial chardev:con \
   -mon chardev=con,mode=readline -kernel ./nuttx

Signed-off-by: hujun5 <hujun5@xiaomi.com>
2024-10-15 15:25:55 +08:00
..
android include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
arpa include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
crypto include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
cxx include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
net add can/lin controller status 2024-10-09 08:39:14 +08:00
netinet include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
netpacket net/rpmsg: use hash to handle rp_name 2024-10-13 11:33:04 +08:00
nuttx sched: add up_this_task and up_change_task macro stub 2024-10-15 15:25:55 +08:00
ssp include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
sys net/vsock: add AF_VSOCK address family 2024-10-13 02:02:03 +08:00
.gitignore include/.gitignore: add openlibm to gitignore 2024-10-13 02:27:28 +08:00
aio.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
alloca.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
assert.h assert: add header files to resolve compile failed 2024-10-12 09:29:37 +08:00
byteswap.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
ctype.h Fix ctypes.h locale macro 2024-10-08 08:13:42 +08:00
debug.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
dirent.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
dlfcn.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
dsp.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
dspb16.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
elf.h modlib:Standardized module loading method 2024-10-05 15:22:02 +08:00
elf32.h modlib:Standardized module loading method 2024-10-05 15:22:02 +08:00
elf64.h modlib:Standardized module loading method 2024-10-05 15:22:02 +08:00
endian.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
err.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
errno.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
execinfo.h sched: support backtrace record 2024-10-11 00:37:27 +08:00
fcntl.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
fixedmath.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
fnmatch.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
ftw.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
getopt.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
glob.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
grp.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
hex2bin.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
iconv.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
ifaddrs.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
inttypes.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
iso646.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
langinfo.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
libgen.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
libintl.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
limits.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
locale.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
lzf.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
malloc.h memdump: add dump for the orphan nodes(neighbor of free node) 2024-10-08 23:55:59 +08:00
mqueue.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
netdb.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
nl_types.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
nxflat.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
obstack.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
poll.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
pthread.h Revert "pthread: We should not directly include arch/spinlock.h as it may cause compilation errors in C++." 2024-10-14 17:42:16 +08:00
pty.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
pwd.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
regex.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
resolv.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
sched.h sched: export sched_getcpu API in AMP mode 2024-10-09 15:21:25 +08:00
search.h hcreate: add alloc/free func hook for user to deallocate memory 2024-08-22 20:25:30 +08:00
semaphore.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
signal.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
spawn.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
stdbool.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
stddef.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
stdint.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
stdio.h libc: add nx_strdup() & nx_strndup() support 2024-10-15 01:16:48 +08:00
stdlib.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
stdnoreturn.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
string.h libc: add nx_strdup() & nx_strndup() support 2024-10-15 01:16:48 +08:00
strings.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
syscall.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
syslog.h syslog: support syslog redirection to sched_note 2024-10-11 01:30:11 +08:00
termios.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
threads.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
time.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
unistd.h sched: Implement profil function 2024-10-10 18:46:51 +08:00
utime.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
uuid.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
wchar.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
wctype.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00