pivot_root on nds32

change the root mount

sys_pivot_root(const char *new_root, const char *put_old)
number41 (0x29)
abicommon
entry pointsys_pivot_root
sinceLinux 4.17 or earlier (4.17 is the first release scanned for nds32)
man pagepivot_root(2)
sourceelixir.bootlin.com

Registers

registervalue
r1541, the syscall number
r0const char *new_root
r1const char *put_old
r0the return value

Then run syscall to enter the kernel.

This architecture was removed from the Linux kernel in Linux 5.18. The newest release with a syscall table here is Linux 5.17. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/nds32/pivot_root?kernel=all