From 9e933a5ec5af554b71effa38460c30fe3cb2355e Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Mon, 14 Nov 2022 18:53:00 +0200
Subject: [PATCH] Add kernel panic function

---
 kernel/Makefile               |  1 +
 kernel/include/kernel/panic.h |  9 +++++++++
 kernel/kernel/panic.cpp       | 16 ++++++++++++++++
 libc/stdlib/abort.cpp         |  7 +++++--
 4 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 kernel/include/kernel/panic.h
 create mode 100644 kernel/kernel/panic.cpp

diff --git a/kernel/Makefile b/kernel/Makefile
index b45fd5a6..81aeb0c4 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -30,6 +30,7 @@ LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS)
 KERNEL_OBJS=\
 $(KERNEL_ARCH_OBJS) \
 kernel/kernel.o \
+kernel/panic.o \
 kernel/ssp.o \
  
 OBJS=\
diff --git a/kernel/include/kernel/panic.h b/kernel/include/kernel/panic.h
new file mode 100644
index 00000000..f461ffea
--- /dev/null
+++ b/kernel/include/kernel/panic.h
@@ -0,0 +1,9 @@
+#pragma once
+
+namespace Kernel
+{
+
+	__attribute__((__noreturn__))
+	void panic(const char* message);
+
+}
\ No newline at end of file
diff --git a/kernel/kernel/panic.cpp b/kernel/kernel/panic.cpp
new file mode 100644
index 00000000..52d9635f
--- /dev/null
+++ b/kernel/kernel/panic.cpp
@@ -0,0 +1,16 @@
+#include <kernel/panic.h>
+#include <kernel/tty.h>
+
+namespace Kernel
+{
+
+	__attribute__((__noreturn__))
+	void panic(const char* message)
+	{
+		terminal_writestring("Kernel panic: ");
+		terminal_writestring(message);
+		asm volatile("hlt");
+		__builtin_unreachable();
+	}
+
+}
diff --git a/libc/stdlib/abort.cpp b/libc/stdlib/abort.cpp
index 354132ef..72ef6d50 100644
--- a/libc/stdlib/abort.cpp
+++ b/libc/stdlib/abort.cpp
@@ -1,12 +1,15 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#if defined(__is_libk)
+#include <kernel/panic.h>
+#endif
+
 __attribute__((__noreturn__))
 void abort(void)
 {
 #if defined(__is_libk)
-	printf("Kernel panic: abort()\n");
-	asm volatile("hlt");
+	Kernel::panic("abort()");
 #else
 	printf("abort()\n");
 #endif