mprotect on frv

set protection on a region of memory

sys_mprotect(unsigned long start, size_t len, unsigned long prot)
number125 (0x7d)
abicommon
entry pointsys_mprotect
sinceLinux 3.3 or earlier (3.3 is the first release scanned for frv)
man pagemprotect(2)
sourceelixir.bootlin.com

Registers

registervalue
gr7125, the syscall number
gr8unsigned long start
gr9size_t len
gr10unsigned long prot
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/mprotect?kernel=all