PROJECT RESTRUCTURING

Move the entire kernel into its own directory. Create new directories
for system commands, libraries and other required essentials for a
complete Unix-like operating system.

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

1 files changed, 31 insertions, 0 deletions

diff --git a/kernel/core/panic.c b/kernel/core/panic.c
new file mode 100644
index 0000000..a44a73c
--- /dev/null
+++ b/kernel/core/panic.c
@@ -0,0 +1,31 @@
+#include <kernel/panic.h>
+#include <kernel/spinlock.h>
+#include <libk/io.h>
+#include <stdint.h>
+#include <stddef.h>
+
+static struct spinlock panic_lock = {0};
+static int panicked = 0;
+
+void walk_stack(uintptr_t *addrs, size_t n);
+
+void stack_trace(void) {
+        kprintf("PRINTING STACK TRACE\n");
+        uintptr_t strace[32];
+        walk_stack(strace, 32);
+        for (int i = 0; i < 32; i++) {
+                if (strace[i] == 0)
+                        break;
+                kprintf("#%d: %x\n", i, strace[i]);
+        }
+}
+
+void panic(const char *str) {
+        disable_ints();
+        spin_lock(&panic_lock);
+        panicked = 1;
+        spin_unlock(&panic_lock);
+        kprintf("KERNEL PANIC - NOT SYNCING: %s\n", str);
+        stack_trace();
+        while (1);
+}