diff options
Diffstat (limited to 'sys/amd64/include/param.h')
| -rw-r--r-- | sys/amd64/include/param.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/sys/amd64/include/param.h b/sys/amd64/include/param.h index 355e95d..9f73c2c 100644 --- a/sys/amd64/include/param.h +++ b/sys/amd64/include/param.h @@ -89,34 +89,32 @@ #define ALIGN(p) _ALIGN(p) #define ALIGNED_POINTER(p,t) _ALIGNED_POINTER((p),(t)) + /* Size of the level 1 page table units */ #define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t))) +#define NPTEPGSHIFT 9 /* LOG2(NPTEPG) */ #define PAGE_SHIFT 12 /* LOG2(PAGE_SIZE) */ #define PAGE_SIZE (1<<PAGE_SHIFT) /* bytes/page */ #define PAGE_MASK (PAGE_SIZE-1) /* Size of the level 2 page directory units */ #define NPDEPG (PAGE_SIZE/(sizeof (pd_entry_t))) +#define NPDEPGSHIFT 9 /* LOG2(NPDEPG) */ #define PDRSHIFT 21 /* LOG2(NBPDR) */ #define NBPDR (1<<PDRSHIFT) /* bytes/page dir */ #define PDRMASK (NBPDR-1) /* Size of the level 3 page directory pointer table units */ #define NPDPEPG (PAGE_SIZE/(sizeof (pdp_entry_t))) +#define NPDPEPGSHIFT 9 /* LOG2(NPDPEPG) */ #define PDPSHIFT 30 /* LOG2(NBPDP) */ #define NBPDP (1<<PDPSHIFT) /* bytes/page dir ptr table */ #define PDPMASK (NBPDP-1) /* Size of the level 4 page-map level-4 table units */ #define NPML4EPG (PAGE_SIZE/(sizeof (pml4_entry_t))) +#define NPML4EPGSHIFT 9 /* LOG2(NPML4EPG) */ #define PML4SHIFT 39 /* LOG2(NBPML4T) */ #define NBPML4T (1ul<<PML4SHIFT)/* bytes/page map lev4 table */ #define PML4MASK (NBPML4T-1) -#define NKPML4E 1 /* addressable number of page tables/pde's */ -#define NKPDPE 1 /* addressable number of page tables/pde's */ -#define NPGPTD 4 - -#define NBPTD (NPGPTD<<PAGE_SHIFT) -#define NPDEPTD (NBPTD/(sizeof (pd_entry_t))) - #define IOPAGES 2 /* pages of i/o permission bitmap */ #define KSTACK_PAGES 4 /* pages of kstack (with pcb) */ |
