syscall.sh / arm / kexec_file_load

kexec_file_load

load a new kernel for later execution

sys_kexec_file_load(int kernel_fd, int initrd_fd, unsigned long cmdline_len, const char *cmdline_ptr, unsigned long flags)
number401 (0x191)
abicommon
entry pointsys_kexec_file_load
sinceLinux 5.1
man pagekexec_file_load(2)
sourceelixir.bootlin.com

Registers

registervalue
r7401, the syscall number
r0int kernel_fd
r1int initrd_fd
r2unsigned long cmdline_len
r3const char *cmdline_ptr
r4unsigned long flags
r0the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arm/kexec_file_load