Move platform-specific code for process loading/init for AMD64 to amd64/

kernel/sys/proc.h

@@ -0,0 +1,8 @@
+#ifndef _KERNEL_SYS_PROC_H
+#define _KERNEL_SYS_PROC_H
+
+struct proc;
+
+struct proc* proc_from_elf (uint8_t* elf_contents);
+
+#endif // _KERNEL_SYS_PROC_H

kernel/sys/spin.h

@@ -0,0 +1,9 @@
+#ifndef _KERNEL_SYS_SPIN_H
+#define _KERNEL_SYS_SPIN_H
+
+#if defined(__x86_64__)
+  extern void amd64_spin (void);
+  #define spin amd64_spin
+#endif
+
+#endif // _KERNEL_SYS_SPIN_H