1 files changed, 33 insertions, 0 deletions
diff --git a/kc/core/task.h b/kc/core/task.h
new file mode 100644
index 0000000..86e262f
--- /dev/null
+++ b/kc/core/task.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <stdint.h>
+
+enum kc_thread_status
+{
+    READY,
+    STARTED,
+    YIELDED,
+    BLOCKED,
+    TERMINATED
+};
+
+struct kc_thread_state
+{
+    uint64_t stack;
+    uint64_t stack_top;
+    uint64_t page_map;
+};
+
+struct kc_thread
+{
+    struct kc_thread *prev;
+    struct kc_thread *next;
+    enum kc_thread_status status;
+    struct kc_thread_state state;
+};
+
+extern void cpu_set_thread(
+        struct kc_thread_state *current,
+        struct kc_thread_state *next,
+        uint64_t *cpu_tss_rsp0);
+