Differential D25273 Diff 74014 sys/amd64/include/vmparam.h

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sys/amd64/include/vmparam.h

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	* 0xfffffe0000000000 - 0xffffffffffffffff 2TB kernel map			* 0xfffffe0000000000 - 0xffffffffffffffff 2TB kernel map
	*			*
	* Within the kernel map:			* Within the kernel map:
	*			*
	* 0xfffffe0000000000 vm_page_array			* 0xfffffe0000000000 vm_page_array
	* 0xffffffff80000000 KERNBASE			* 0xffffffff80000000 KERNBASE
	*/			*/

	#define VM_MIN_KERNEL_ADDRESS KVADDR(KPML4BASE, 0, 0, 0)			#define VM_MIN_KERNEL_ADDRESS KV4ADDR(KPML4BASE, 0, 0, 0)
	#define VM_MAX_KERNEL_ADDRESS KVADDR(KPML4BASE + NKPML4E - 1, \			#define VM_MAX_KERNEL_ADDRESS KV4ADDR(KPML4BASE + NKPML4E - 1, \
	NPDPEPG-1, NPDEPG-1, NPTEPG-1)			NPDPEPG-1, NPDEPG-1, NPTEPG-1)

	#define DMAP_MIN_ADDRESS KVADDR(DMPML4I, 0, 0, 0)			#define DMAP_MIN_ADDRESS KV4ADDR(DMPML4I, 0, 0, 0)
	#define DMAP_MAX_ADDRESS KVADDR(DMPML4I + NDMPML4E, 0, 0, 0)			#define DMAP_MAX_ADDRESS KV4ADDR(DMPML4I + NDMPML4E, 0, 0, 0)

	#define LARGEMAP_MIN_ADDRESS KVADDR(LMSPML4I, 0, 0, 0)			#define LARGEMAP_MIN_ADDRESS KV4ADDR(LMSPML4I, 0, 0, 0)
	#define LARGEMAP_MAX_ADDRESS KVADDR(LMEPML4I + 1, 0, 0, 0)			#define LARGEMAP_MAX_ADDRESS KV4ADDR(LMEPML4I + 1, 0, 0, 0)

	#define KERNBASE KVADDR(KPML4I, KPDPI, 0, 0)			#define KERNBASE KV4ADDR(KPML4I, KPDPI, 0, 0)

	#define UPT_MAX_ADDRESS KVADDR(PML4PML4I, PML4PML4I, PML4PML4I, PML4PML4I)			#define UPT_MAX_ADDRESS KV4ADDR(PML4PML4I, PML4PML4I, PML4PML4I, PML4PML4I)
	#define UPT_MIN_ADDRESS KVADDR(PML4PML4I, 0, 0, 0)			#define UPT_MIN_ADDRESS KV4ADDR(PML4PML4I, 0, 0, 0)

	#define VM_MAXUSER_ADDRESS UVADDR(NUPML4E, 0, 0, 0)			#define VM_MAXUSER_ADDRESS_LA57 UVADDR(NUPML5E, 0, 0, 0, 0)
				#define VM_MAXUSER_ADDRESS_LA48 UVADDR(0, NUP4ML4E, 0, 0, 0)
				#define VM_MAXUSER_ADDRESS VM_MAXUSER_ADDRESS_LA57

	#define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)			#define SHAREDPAGE_LA57 (VM_MAXUSER_ADDRESS_LA57 - PAGE_SIZE)
	#define USRSTACK SHAREDPAGE			#define SHAREDPAGE_LA48 (VM_MAXUSER_ADDRESS_LA48 - PAGE_SIZE)
				#define USRSTACK_LA57 SHAREDPAGE_LA57
				#define USRSTACK_LA48 SHAREDPAGE_LA48
				#define USRSTACK USRSTACK_LA48
				#define PS_STRINGS_LA57 (USRSTACK_LA57 - sizeof(struct ps_strings))
				#define PS_STRINGS_LA48 (USRSTACK_LA48 - sizeof(struct ps_strings))

	#define VM_MAX_ADDRESS UPT_MAX_ADDRESS			#define VM_MAX_ADDRESS UPT_MAX_ADDRESS
	#define VM_MIN_ADDRESS (0)			#define VM_MIN_ADDRESS (0)

	/*			/*
	* XXX Allowing dmaplimit == 0 is a temporary workaround for vt(4) efifb's			* XXX Allowing dmaplimit == 0 is a temporary workaround for vt(4) efifb's
	* early use of PHYS_TO_DMAP before the mapping is actually setup. This works			* early use of PHYS_TO_DMAP before the mapping is actually setup. This works
	* because the result is not actually accessed until later, but the early			* because the result is not actually accessed until later, but the early
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