Heavy restructuring of libc, kernel and apps

1 files changed, 30 insertions, 0 deletions

diff --git a/kernel/inc/proc.h b/kernel/inc/proc.h
new file mode 100644
index 0000000..39ba704
--- /dev/null
+++ b/kernel/inc/proc.h
@@ -0,0 +1,30 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef PROC_H
+#define PROC_H
+
+#include <def.h>
+#include <interrupts.h>
+
+#define EFLAGS_ALWAYS 0x2 // Always one
+#define EFLAGS_INTERRUPTS 0x200 // Enable interrupts
+
+#define GDT_USER_CODE_OFFSET 0x1b // User code segment offset in GDT (with ring3 mask)
+#define GDT_USER_DATA_OFFSET 0x23 // User data segment offset in GDT (with ring3 mask)
+
+enum state { PROC_RUNNING, PROC_ASLEEP };
+
+struct proc {
+	u32 pid;
+	enum state state;
+	char name[32];
+	struct regs regs;
+	/* struct proc *parent; */
+	struct proc *next;
+};
+
+void proc_init();
+void proc_print();
+struct proc *proc_make();
+
+#endif