readahead on mn10300

initiate file readahead into page cache

sys_readahead(int fd, loff_t offset, size_t count)
number225 (0xe1)
abicommon
entry pointsys_readahead
sinceLinux 3.3 or earlier (3.3 is the first release scanned for mn10300)
man pagereadahead(2)
sourceelixir.bootlin.com

Registers

registervalue
d0225, the syscall number
a0int fd
d1loff_t offset
a3size_t count
d0the return value

Then run syscall 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/mn10300/readahead?kernel=all