syscall.sh / microblaze / remap_file_pages

remap_file_pages

create a nonlinear file mapping

sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long flags)
number257 (0x101)
abicommon
entry pointsys_remap_file_pages
sinceLinux 5.0
man pageremap_file_pages(2)
sourceelixir.bootlin.com

Registers

registervalue
r12257, the syscall number
r5unsigned long start
r6unsigned long size
r7unsigned long prot
r8unsigned long pgoff
r9unsigned long flags
r3the return value

Then run brki r14,8 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/microblaze/remap_file_pages