Differential D21252 Diff 60959 sys/amd64/include/vmparam.h

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sys/amd64/include/vmparam.h

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*		*
* 0x0000000000000000 - 0x00007fffffffffff user map		* 0x0000000000000000 - 0x00007fffffffffff user map
* 0x0000800000000000 - 0xffff7fffffffffff does not exist (hole)		* 0x0000800000000000 - 0xffff7fffffffffff does not exist (hole)
* 0xffff800000000000 - 0xffff804020100fff recursive page table (512GB slot)		* 0xffff800000000000 - 0xffff804020100fff recursive page table (512GB slot)
* 0xffff804020100fff - 0xffff807fffffffff unused		* 0xffff804020100fff - 0xffff807fffffffff unused
* 0xffff808000000000 - 0xffff847fffffffff large map (can be tuned up)		* 0xffff808000000000 - 0xffff847fffffffff large map (can be tuned up)
* 0xffff848000000000 - 0xfffff7ffffffffff unused (large map extends there)		* 0xffff848000000000 - 0xfffff7ffffffffff unused (large map extends there)
* 0xfffff80000000000 - 0xfffffbffffffffff 4TB direct map		* 0xfffff80000000000 - 0xfffffbffffffffff 4TB direct map
* 0xfffffc0000000000 - 0xfffffdffffffffff unused		* 0xfffffc0000000000 - 0xfffffcffffffffff unused
		* 0xfffffd0000000000 - 0xfffffd7fffffffff page array 512GB
		* 0xfffffd8000000000 - 0xfffffdffffffffff unused
* 0xfffffe0000000000 - 0xffffffffffffffff 2TB kernel map		* 0xfffffe0000000000 - 0xffffffffffffffff 2TB kernel map
*		*
* Within the kernel map:		* Within the kernel map:
*		*
* 0xffffffff80000000 KERNBASE		* 0xffffffff80000000 KERNBASE
*/		*/

#define VM_MIN_KERNEL_ADDRESS KVADDR(KPML4BASE, 0, 0, 0)		#define VM_MIN_KERNEL_ADDRESS KVADDR(KPML4BASE, 0, 0, 0)
#define VM_MAX_KERNEL_ADDRESS KVADDR(KPML4BASE + NKPML4E - 1, \		#define VM_MAX_KERNEL_ADDRESS KVADDR(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 KVADDR(DMPML4I, 0, 0, 0)
#define DMAP_MAX_ADDRESS KVADDR(DMPML4I + NDMPML4E, 0, 0, 0)		#define DMAP_MAX_ADDRESS KVADDR(DMPML4I + NDMPML4E, 0, 0, 0)

		#define PA_MIN_ADDRESS KVADDR(PAPML4I, 0, 0, 0)

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

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

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

Show All 19 Lines	#define PHYS_TO_DMAP(x) ({ \
(x) \| DMAP_MIN_ADDRESS; })		(x) \| DMAP_MIN_ADDRESS; })

#define DMAP_TO_PHYS(x) ({ \		#define DMAP_TO_PHYS(x) ({ \
KASSERT((x) < (DMAP_MIN_ADDRESS + dmaplimit) && \		KASSERT((x) < (DMAP_MIN_ADDRESS + dmaplimit) && \
(x) >= DMAP_MIN_ADDRESS, \		(x) >= DMAP_MIN_ADDRESS, \
("virtual address %#jx not covered by the DMAP", \		("virtual address %#jx not covered by the DMAP", \
(uintmax_t)x)); \		(uintmax_t)x)); \
(x) & ~DMAP_MIN_ADDRESS; })		(x) & ~DMAP_MIN_ADDRESS; })

		/*
		* amd64 statically allocates the page array address so that it can
		* be more easily allocated on the correct memory domains.
		*/
		#define PMAP_HAS_PAGE_ARRAY 1

/*		/*
* How many physical pages per kmem arena virtual page.		* How many physical pages per kmem arena virtual page.
*/		*/
#ifndef VM_KMEM_SIZE_SCALE		#ifndef VM_KMEM_SIZE_SCALE
#define VM_KMEM_SIZE_SCALE (1)		#define VM_KMEM_SIZE_SCALE (1)
#endif		#endif

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