pivot_root on frv

change the root mount

sys_pivot_root(const char *new_root, const char *put_old)
number217 (0xd9)
abicommon
entry pointsys_pivot_root
sinceLinux 3.3 or earlier (3.3 is the first release scanned for frv)
man pagepivot_root(2)
sourceelixir.bootlin.com

Registers

registervalue
gr7217, the syscall number
gr8const char *new_root
gr9const char *put_old
gr8the return value

Then run tira gr0, 0 to enter the kernel.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. 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/frv/pivot_root?kernel=all