Revise post and add new introduction

src/interrupts.rs

@@ -10,6 +10,7 @@ use pic8259_simple::ChainedPics;
 use spin;
 use x86_64::structures::idt::{ExceptionStackFrame, InterruptDescriptorTable, PageFaultErrorCode};
 
+
 pub const PIC_1_OFFSET: u8 = 32;
 pub const PIC_2_OFFSET: u8 = PIC_1_OFFSET + 8;
 
@@ -58,6 +59,19 @@ extern "x86-interrupt" fn page_fault_handler(
     hlt_loop();
 }
 
+extern "x86-interrupt" fn page_fault_handler(
+    stack_frame: &mut ExceptionStackFrame,
+    _error_code: PageFaultErrorCode,
+) {
+    use crate::hlt_loop;
+    use x86_64::registers::control::Cr2;
+
+    println!("EXCEPTION: PAGE FAULT");
+    println!("Accessed Address: {:?}", Cr2::read());
+    println!("{:#?}", stack_frame);
+    hlt_loop();
+}
+
 extern "x86-interrupt" fn double_fault_handler(
     stack_frame: &mut ExceptionStackFrame,
     _error_code: u64,

src/main.rs

@@ -5,12 +5,14 @@
 use core::panic::PanicInfo;
 
 use blog_os::println;
+use bootloader::bootinfo::BootInfo;
+
 
 /// This function is the entry point, since the linker looks for a function
 /// named `_start` by default.
 #[cfg(not(test))]
 #[no_mangle] // don't mangle the name of this function
-pub extern "C" fn _start() -> ! {
+pub extern "C" fn _start(boot_info: &BootInfo) -> ! {
     use blog_os::interrupts::PICS;
     use x86_64::structures::paging::PageTable;