| pmap.h (223873) | pmap.h (237168) |
|---|---|
| 1/*- 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * the Systems Programming Group of the University of Utah Computer 7 * Science Department and William Jolitz of UUNET Technologies Inc. 8 * --- 25 unchanged lines hidden (view full) --- 34 * Jolitz uses a recursive map [a pde points to the page directory] to 35 * map the page tables using the pagetables themselves. This is done to 36 * reduce the impact on kernel virtual memory for lots of sparse address 37 * space, and to reduce the cost of memory to each process. 38 * 39 * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 40 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 41 * from: i386 pmap.h,v 1.54 1997/11/20 19:30:35 bde Exp | 1/*- 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * the Systems Programming Group of the University of Utah Computer 7 * Science Department and William Jolitz of UUNET Technologies Inc. 8 * --- 25 unchanged lines hidden (view full) --- 34 * Jolitz uses a recursive map [a pde points to the page directory] to 35 * map the page tables using the pagetables themselves. This is done to 36 * reduce the impact on kernel virtual memory for lots of sparse address 37 * space, and to reduce the cost of memory to each process. 38 * 39 * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 40 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 41 * from: i386 pmap.h,v 1.54 1997/11/20 19:30:35 bde Exp |
| 42 * $FreeBSD: head/sys/ia64/include/pmap.h 223873 2011-07-08 16:30:54Z marcel $ | 42 * $FreeBSD: head/sys/ia64/include/pmap.h 237168 2012-06-16 18:56:19Z alc $ |
| 43 */ 44 45#ifndef _MACHINE_PMAP_H_ 46#define _MACHINE_PMAP_H_ 47 48#include <sys/queue.h> 49#include <sys/_lock.h> 50#include <sys/_mutex.h> --- 62 unchanged lines hidden (view full) --- 113extern vm_offset_t virtual_avail; 114extern vm_offset_t virtual_end; 115 116extern uint64_t pmap_vhpt_base[]; 117extern int pmap_vhpt_log2size; 118 119#define pmap_page_get_memattr(m) ((m)->md.memattr) 120#define pmap_page_is_mapped(m) (!TAILQ_EMPTY(&(m)->md.pv_list)) | 43 */ 44 45#ifndef _MACHINE_PMAP_H_ 46#define _MACHINE_PMAP_H_ 47 48#include <sys/queue.h> 49#include <sys/_lock.h> 50#include <sys/_mutex.h> --- 62 unchanged lines hidden (view full) --- 113extern vm_offset_t virtual_avail; 114extern vm_offset_t virtual_end; 115 116extern uint64_t pmap_vhpt_base[]; 117extern int pmap_vhpt_log2size; 118 119#define pmap_page_get_memattr(m) ((m)->md.memattr) 120#define pmap_page_is_mapped(m) (!TAILQ_EMPTY(&(m)->md.pv_list)) |
| 121#define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) |
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| 121#define pmap_mapbios(pa, sz) pmap_mapdev(pa, sz) 122#define pmap_unmapbios(va, sz) pmap_unmapdev(va, sz) 123 124vm_offset_t pmap_alloc_vhpt(void); 125void pmap_bootstrap(void); 126void pmap_kenter(vm_offset_t va, vm_offset_t pa); 127vm_paddr_t pmap_kextract(vm_offset_t va); 128void pmap_kremove(vm_offset_t); 129void *pmap_mapdev(vm_paddr_t, vm_size_t); 130void pmap_page_set_memattr(vm_page_t, vm_memattr_t); 131vm_offset_t pmap_page_to_va(vm_page_t); 132vm_offset_t pmap_steal_memory(vm_size_t); 133struct pmap *pmap_switch(struct pmap *pmap); 134void pmap_unmapdev(vm_offset_t, vm_size_t); 135 136#endif /* _KERNEL */ 137 138#endif /* !_MACHINE_PMAP_H_ */ | 122#define pmap_mapbios(pa, sz) pmap_mapdev(pa, sz) 123#define pmap_unmapbios(va, sz) pmap_unmapdev(va, sz) 124 125vm_offset_t pmap_alloc_vhpt(void); 126void pmap_bootstrap(void); 127void pmap_kenter(vm_offset_t va, vm_offset_t pa); 128vm_paddr_t pmap_kextract(vm_offset_t va); 129void pmap_kremove(vm_offset_t); 130void *pmap_mapdev(vm_paddr_t, vm_size_t); 131void pmap_page_set_memattr(vm_page_t, vm_memattr_t); 132vm_offset_t pmap_page_to_va(vm_page_t); 133vm_offset_t pmap_steal_memory(vm_size_t); 134struct pmap *pmap_switch(struct pmap *pmap); 135void pmap_unmapdev(vm_offset_t, vm_size_t); 136 137#endif /* _KERNEL */ 138 139#endif /* !_MACHINE_PMAP_H_ */ |