From c95f8d146849ac1a5a0eb550e08b6010ae7234aa Mon Sep 17 00:00:00 2001
From: Danny Holman <dholman@gymli.org>
Date: Fri, 16 Feb 2024 12:52:09 -0600
Subject: kernel: add a panic function

Add a panic function that stops the current CPU and prints an error
message into the ring buffer.

Signed-off-by: Danny Holman <dholman@gymli.org>
---
 kernel/panic.c | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 kernel/panic.c

(limited to 'kernel')

diff --git a/kernel/panic.c b/kernel/panic.c
new file mode 100644
index 0000000..c75fafb
--- /dev/null
+++ b/kernel/panic.c
@@ -0,0 +1,8 @@
+#include <kernel/panic.h>
+#include <kernel/io.h>
+
+void panic(const char *str) {
+        kprintf("KERNEL PANIC\n");
+        kprintf("ERROR: %s\n", str);
+        while (1);
+}
-- 
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