kernel: panic: add a variable that locks other CPUs

Add a static variable to the panic function that should lock all other
CPUs.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/panic.c b/kernel/panic.c
index c75fafb..be7cffb 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -1,8 +1,11 @@
 #include <kernel/panic.h>
 #include <kernel/io.h>
 
+static int panicked = 0;
+
 void panic(const char *str) {
         kprintf("KERNEL PANIC\n");
         kprintf("ERROR: %s\n", str);
+        panicked = 1;
         while (1);
 }