chore: add page fault test code

Signed-off-by: Tianhao Wang <shrik3@mailbox.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index e711688..fb68168 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,5 @@
 #![allow(dead_code)]
 #![allow(unused_imports)]
-#![allow(unexpected_cfgs)]
 #![no_std]
 #![no_main]
 #![feature(const_option)]
@@ -66,3 +65,11 @@ pub extern "C" fn _entry() -> ! {
 		}
 	}
 }
+
+pub unsafe fn _test_pf() {
+	// try a page fault
+	use core::arch::asm;
+	use core::slice;
+	let name_buf = slice::from_raw_parts_mut(0xffffffffffff0000 as *mut u64, 10);
+	asm!("mov [rdi], rax", in("rdi") name_buf.as_mut_ptr());
+}