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

include/kernel/namespace.h

@@ -0,0 +1,37 @@
+#ifndef _KERNEL_NAMESPACE_H
+#define _KERNEL_NAMESPACE_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define CLONE_NEWPID  0x20000000
+#define CLONE_NEWUTS  0x04000000
+#define CLONE_NEWIPC  0x08000000
+#define CLONE_NEWNET  0x40000000
+#define CLONE_NEWNS   0x00020000
+
+#define MAX_NAMESPACES 16
+
+typedef struct uts_namespace {
+    char hostname[64];
+    char domainname[64];
+} uts_namespace_t;
+
+typedef struct nsproxy {
+    uint32_t id;
+    char name[32];
+    uts_namespace_t uts;
+    uint32_t pid_offset;
+    bool isolated_mounts;
+    bool in_use;
+} nsproxy_t;
+
+void namespace_init(void);
+nsproxy_t* namespace_create(const char* name, uint32_t flags);
+nsproxy_t* namespace_get_current(void);
+int namespace_switch(uint32_t id);
+size_t namespace_get_count(void);
+const nsproxy_t* namespace_get(size_t index);
+
+#endif // _KERNEL_NAMESPACE_H

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