scheduler base

3 files changed, 60 insertions, 2 deletions

diff --git a/kernel/include/process.h b/kernel/include/process.h
new file mode 100644
index 0000000..7e8f59d
--- /dev/null
+++ b/kernel/include/process.h
@@ -0,0 +1,25 @@
+#ifndef PROCESS_H
+#define PROCESS_H
+
+#include <registers.h>
+#include <libk/list.h>
+
+#define STATUS_READY 0
+#define STATUS_RUNNING 1
+#define STATUS_WAITING 2
+
+struct process_t {
+	registers_t registers;
+	list_t* next;
+	uint32_t status;
+	uint32_t pid;
+	uint32_t time_using_cpu;
+};
+typedef struct process_t process_t;
+
+extern process_t process_list;
+extern process_t current_process;
+
+void create_process(uint64_t rip, uint64_t param1, uint64_t param2);
+
+#endif
diff --git a/kernel/include/registers.h b/kernel/include/registers.h
index a0c0949..373e557 100644
--- a/kernel/include/registers.h
+++ b/kernel/include/registers.h
@@ -3,6 +3,32 @@
 
 #include <types.h>
 
+#define RAX	0x0
+#define RBX	0x8
+#define RCX	0x10
+#define RDX	0x18
+#define RSI	0x20
+#define RDI	0x28
+#define RSP	0x30
+#define RBP	0x38
+#define R8	0x40
+#define R9	0x48
+#define R10	0x50
+#define R11	0x58
+#define R12	0x60
+#define R13	0x68
+#define R14	0x70
+#define R15	0x78
+#define RIP	0x80
+#define RFLAGS	0x88
+#define CR3	0x90
+#define CS	0x98
+#define DS	0x9c
+#define SS	0x100
+#define ES	0x104
+#define FS	0x108
+#define GS	0x10c
+
 struct registers_t {
 	uint64_t rax;
 	uint64_t rbx;
@@ -21,14 +47,15 @@ struct registers_t {
 	uint64_t r14;
 	uint64_t r15;
 	uint64_t rip;
+	uint64_t rflags;
+	uint64_t cr3;
 	uint16_t cs;
 	uint16_t ds;
 	uint16_t ss;
 	uint16_t es;
 	uint16_t fs;
 	uint16_t gs;
-};
+} __attribute__((packed, aligned(8)));
 typedef struct registers_t registers_t;
 
-
 #endif
diff --git a/kernel/include/scheduler.h b/kernel/include/scheduler.h
new file mode 100644
index 0000000..2f751f0
--- /dev/null
+++ b/kernel/include/scheduler.h
@@ -0,0 +1,6 @@
+#ifndef SCHEDULER_H
+#define SCHEDULER_H
+
+void scheduler(void);
+
+#endif