Change: build process & makefile, tree restructuration

src/system.h

@@ -0,0 +1,24 @@
+#ifndef SYSTEM_H
+#define SYSTEM_H
+
+typedef int size_t;
+
+void *memset(void *dest, char val, size_t count);
+
+struct regs
+{
+	unsigned int gs, fs, es, ds;
+	unsigned int edi, esi, ebp, esp, ebx, edx, ecx, eax;
+	unsigned int int_no, err_code;
+	unsigned int eip, cs, eflags, useresp, ss;
+};
+
+void isr_install();
+void irq_install();
+void irq_install_handler(int irq, void (*handler)(struct regs *r));
+void irq_uninstall_handler(int irq);
+void timer_install();
+void delay(int ticks);
+void keyboard_install();
+#endif
+