From 4384c6fdfb48399fc7b82f4f5c14055fc57f7948 Mon Sep 17 00:00:00 2001
From: Tianhao Wang <shrik3@mailbox.org>
Date: Wed, 5 Jun 2024 08:07:38 +0200
Subject: chore: add page fault test code

Signed-off-by: Tianhao Wang <shrik3@mailbox.org>
---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/lib.rs')

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());
+}
-- 
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