request_key on nds32

request a key from the kernel's key management facility

sys_request_key(const char *_type, const char *_description, const char *_callout_info, key_serial_t destringid)
number218 (0xda)
abicommon
kconfigCONFIG_KEYS
familykeys see the whole family on nds32
entry pointsys_request_key
sinceLinux 4.17 or earlier (4.17 is the first release scanned for nds32)
man pagerequest_key(2)
sourceelixir.bootlin.com

Registers

registervalue
r15218, the syscall number
r0const char *_type
r1const char *_description
r2const char *_callout_info
r3key_serial_t destringid
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/request_key?kernel=all