| pmap.h (351439) | pmap.h (354651) |
|---|---|
| 1/*- 2 * Copyright (c) 2003 Peter Wemm. 3 * Copyright (c) 1991 Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department and William Jolitz of UUNET Technologies Inc. --- 25 unchanged lines hidden (view full) --- 34 * Derived from hp300 version by Mike Hibler, this version by William 35 * Jolitz uses a recursive map [a pde points to the page directory] to 36 * map the page tables using the pagetables themselves. This is done to 37 * reduce the impact on kernel virtual memory for lots of sparse address 38 * space, and to reduce the cost of memory to each process. 39 * 40 * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 41 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 | 1/*- 2 * Copyright (c) 2003 Peter Wemm. 3 * Copyright (c) 1991 Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department and William Jolitz of UUNET Technologies Inc. --- 25 unchanged lines hidden (view full) --- 34 * Derived from hp300 version by Mike Hibler, this version by William 35 * Jolitz uses a recursive map [a pde points to the page directory] to 36 * map the page tables using the pagetables themselves. This is done to 37 * reduce the impact on kernel virtual memory for lots of sparse address 38 * space, and to reduce the cost of memory to each process. 39 * 40 * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 41 * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 |
| 42 * $FreeBSD: stable/11/sys/amd64/include/pmap.h 351439 2019-08-23 22:03:50Z jhb $ | 42 * $FreeBSD: stable/11/sys/amd64/include/pmap.h 354651 2019-11-12 18:04:28Z kib $ |
| 43 */ 44 45#ifndef _MACHINE_PMAP_H_ 46#define _MACHINE_PMAP_H_ 47 48/* 49 * Page-directory and page-table entries follow this format, with a few 50 * of the fields not present here and there, depending on a lot of things. --- 351 unchanged lines hidden (view full) --- 402#define pmap_page_get_memattr(m) ((vm_memattr_t)(m)->md.pat_mode) 403#define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) 404#define pmap_unmapbios(va, sz) pmap_unmapdev((va), (sz)) 405 406struct thread; 407 408void pmap_activate_boot(pmap_t pmap); 409void pmap_activate_sw(struct thread *); | 43 */ 44 45#ifndef _MACHINE_PMAP_H_ 46#define _MACHINE_PMAP_H_ 47 48/* 49 * Page-directory and page-table entries follow this format, with a few 50 * of the fields not present here and there, depending on a lot of things. --- 351 unchanged lines hidden (view full) --- 402#define pmap_page_get_memattr(m) ((vm_memattr_t)(m)->md.pat_mode) 403#define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) 404#define pmap_unmapbios(va, sz) pmap_unmapdev((va), (sz)) 405 406struct thread; 407 408void pmap_activate_boot(pmap_t pmap); 409void pmap_activate_sw(struct thread *); |
| 410void pmap_allow_2m_x_ept_recalculate(void); |
|
| 410void pmap_bootstrap(vm_paddr_t *); 411int pmap_cache_bits(pmap_t pmap, int mode, boolean_t is_pde); 412int pmap_change_attr(vm_offset_t, vm_size_t, int); 413void pmap_demote_DMAP(vm_paddr_t base, vm_size_t len, boolean_t invalidate); 414void pmap_init_pat(void); 415void pmap_kenter(vm_offset_t va, vm_paddr_t pa); 416void *pmap_kenter_temporary(vm_paddr_t pa, int i); 417vm_paddr_t pmap_kextract(vm_offset_t); --- 60 unchanged lines hidden --- | 411void pmap_bootstrap(vm_paddr_t *); 412int pmap_cache_bits(pmap_t pmap, int mode, boolean_t is_pde); 413int pmap_change_attr(vm_offset_t, vm_size_t, int); 414void pmap_demote_DMAP(vm_paddr_t base, vm_size_t len, boolean_t invalidate); 415void pmap_init_pat(void); 416void pmap_kenter(vm_offset_t va, vm_paddr_t pa); 417void *pmap_kenter_temporary(vm_paddr_t pa, int i); 418vm_paddr_t pmap_kextract(vm_offset_t); --- 60 unchanged lines hidden --- |