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	#endif	#endif

		/*
		* These functions need to provide addresses that both (a) work in real mode
		* (or whatever mode/circumstances the kernel is in in early boot (now)) and
		* (b) can still, in principle, work once the kernel is going. Because these
		* rely on existing mappings/real mode, unmap is a no-op.
		*/
	vm_offset_t	vm_offset_t
	pmap_early_io_map(vm_paddr_t pa, vm_size_t size)	pmap_early_io_map(vm_paddr_t pa, vm_size_t size)
	{	{
		KASSERT(!pmap_bootstrapped, ("Not available after PMAP started!"));

	return (pa);	/*
		* If we have the MMU up in early boot, assume it is 1:1. Otherwise,
		* try to get the address in a memory region compatible with the
		* direct map for efficiency later.
		*/
		if (mfmsr() & PSL_DR)
		return (pa);
		else
		return (DMAP_BASE_ADDRESS + pa);
	}	}

		void
		pmap_early_io_unmap(vm_offset_t va, vm_size_t size)
		{

		KASSERT(!pmap_bootstrapped, ("Not available after PMAP started!"));
		}

	/* From p3-53 of the MPC7450 RISC Microprocessor Family Reference Manual */	/* From p3-53 of the MPC7450 RISC Microprocessor Family Reference Manual */
	void	void
	flush_disable_caches(void)	flush_disable_caches(void)
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