From d6be5aafe29d9b5815bbaf545b3dba7af1e6c401 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Fri, 27 Nov 2020 19:11:58 +0500
Subject: [PATCH] Add function "kernaux_arch_i386_hang"

---
 include/kernaux/arch/i386.h | 2 ++
 src/arch/i386.S             | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/include/kernaux/arch/i386.h b/include/kernaux/arch/i386.h
index 02fcf6b..423493c 100644
--- a/include/kernaux/arch/i386.h
+++ b/include/kernaux/arch/i386.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+void kernaux_arch_i386_hang() __attribute__((noreturn));
+
 unsigned long kernaux_arch_i386_read_cr0();
 unsigned long kernaux_arch_i386_read_cr4();
 
diff --git a/src/arch/i386.S b/src/arch/i386.S
index d66ccf9..d93d289 100644
--- a/src/arch/i386.S
+++ b/src/arch/i386.S
@@ -1,9 +1,15 @@
+.global kernaux_arch_i386_hang
 .global kernaux_arch_i386_read_cr0
 .global kernaux_arch_i386_read_cr4
 .global kernaux_arch_i386_write_cr0
 .global kernaux_arch_i386_write_cr3
 .global kernaux_arch_i386_write_cr4
 
+kernaux_arch_i386_hang:
+    cli
+    hlt
+    jmp kernaux_arch_i386_hang
+
 kernaux_arch_i386_read_cr0:
     mov %cr0, %eax
     ret