[PATCH] flat loader H8/300 specific support abstracted

Architecture specific flat loader code for H8/300 moved into its
own H8/300 flat.h header.

include/asm-h8300/flat.h

@@ -5,6 +5,21 @@
 #ifndef __H8300_FLAT_H__
 #define __H8300_FLAT_H__
 
-#define flat_argvp_envp_on_stack()	1
+#define	flat_stack_align(sp)			/* nothing needed */
+#define	flat_argvp_envp_on_stack()		1
+#define	flat_old_ram_flag(flags)		1
+#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
+
+/*
+ * on the H8 a couple of the relocations have an instruction in the
+ * top byte.  As there can only be 24bits of address space,  we just
+ * always preserve that 8bits at the top,  when it isn't an instruction
+ * is is 0 (davidm@snapgear.com)
+ */
+
+#define	flat_get_relocate_addr(rel)		(rel)
+#define flat_get_addr_from_rp(rp, relval)       (get_unaligned(rp) & 0x0ffffff)
+#define flat_put_addr_at_rp(rp, addr, rel) \
+	put_unaligned (((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), rp)
 
 #endif /* __H8300_FLAT_H__ */