request_key on blackfin

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)
number287 (0x11f)
abicommon
kconfigCONFIG_KEYS
familykeys see the whole family on blackfin
entry pointsys_request_key
sinceLinux 3.3 or earlier (3.3 is the first release scanned for blackfin)
man pagerequest_key(2)
sourceelixir.bootlin.com

Registers

registervalue
P0287, the syscall number
R0const char *_type
R1const char *_description
R2const char *_callout_info
R3key_serial_t destringid
R0the return value

Then run excpt 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/blackfin/request_key?kernel=all