feat: Add SLAB allocator, Ramdisk, Kernel Namespaces, Event Tracing, NetFilter Firewall, 8-Bit Melodies, and Shell Scripting (sh)

include/kernel/trace.h

@@ -0,0 +1,37 @@
+#ifndef _KERNEL_TRACE_H
+#define _KERNEL_TRACE_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define TRACE_BUFFER_SIZE 256
+#define TRACE_MSG_LEN     96
+
+typedef enum {
+    TRACE_CAT_SYS = 0,
+    TRACE_CAT_IRQ,
+    TRACE_CAT_SCHED,
+    TRACE_CAT_MM,
+    TRACE_CAT_NET,
+    TRACE_CAT_FS,
+    TRACE_CAT_MAX
+} trace_category_t;
+
+typedef struct trace_entry {
+    uint64_t timestamp;
+    uint32_t cpu_id;
+    uint32_t pid;
+    trace_category_t category;
+    char message[TRACE_MSG_LEN];
+} trace_entry_t;
+
+void trace_init(void);
+void trace_record(trace_category_t cat, const char* msg);
+void trace_enable(bool enable);
+bool trace_is_enabled(void);
+void trace_clear(void);
+size_t trace_get_count(void);
+const trace_entry_t* trace_get_entry(size_t index);
+
+#endif // _KERNEL_TRACE_H