| pmap.c (92465) | pmap.c (92654) |
|---|---|
| 1/* 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * Copyright (c) 1994 John S. Dyson 5 * All rights reserved. 6 * Copyright (c) 1994 David Greenman 7 * All rights reserved. 8 * --- 25 unchanged lines hidden (view full) --- 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 | 1/* 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * Copyright (c) 1994 John S. Dyson 5 * All rights reserved. 6 * Copyright (c) 1994 David Greenman 7 * All rights reserved. 8 * --- 25 unchanged lines hidden (view full) --- 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 |
| 42 * $FreeBSD: head/sys/sparc64/sparc64/pmap.c 92465 2002-03-17 01:53:51Z jake $ | 42 * $FreeBSD: head/sys/sparc64/sparc64/pmap.c 92654 2002-03-19 09:11:49Z jeff $ |
| 43 */ 44 45/* 46 * Manages physical address maps. 47 * 48 * In addition to hardware address maps, this module is called upon to 49 * provide software-use-only maps which may or may not be stored in the 50 * same form as hardware maps. These pseudo-maps are used to store --- 487 unchanged lines hidden (view full) --- 538 if (addr < 0xf0000000) /* XXX */ 539 continue; 540 result = vm_map_find(kernel_map, NULL, 0, &addr, size, TRUE, 541 VM_PROT_ALL, VM_PROT_ALL, 0); 542 if (result != KERN_SUCCESS || addr != translations[i].om_start) 543 panic("pmap_init: vm_map_find"); 544 } 545 | 43 */ 44 45/* 46 * Manages physical address maps. 47 * 48 * In addition to hardware address maps, this module is called upon to 49 * provide software-use-only maps which may or may not be stored in the 50 * same form as hardware maps. These pseudo-maps are used to store --- 487 unchanged lines hidden (view full) --- 538 if (addr < 0xf0000000) /* XXX */ 539 continue; 540 result = vm_map_find(kernel_map, NULL, 0, &addr, size, TRUE, 541 VM_PROT_ALL, VM_PROT_ALL, 0); 542 if (result != KERN_SUCCESS || addr != translations[i].om_start) 543 panic("pmap_init: vm_map_find"); 544 } 545 |
| 546#if 0 |
|
| 546 pvzone = &pvzone_store; 547 pvinit = (struct pv_entry *)kmem_alloc(kernel_map, 548 vm_page_array_size * sizeof (struct pv_entry)); 549 zbootinit(pvzone, "PV ENTRY", sizeof (struct pv_entry), pvinit, 550 vm_page_array_size); | 547 pvzone = &pvzone_store; 548 pvinit = (struct pv_entry *)kmem_alloc(kernel_map, 549 vm_page_array_size * sizeof (struct pv_entry)); 550 zbootinit(pvzone, "PV ENTRY", sizeof (struct pv_entry), pvinit, 551 vm_page_array_size); |
| 552#else 553 pvzone = zinit("PV ENTRY", sizeof (struct pv_entry), 0, 0, 0); 554 uma_zone_set_allocf(pvzone, pv_allocf); 555 uma_prealloc(pvzone, vm_page_array_size); 556#endif |
|
| 551 pmap_initialized = TRUE; 552} 553 554/* 555 * Initialize the address space (zone) for the pv_entries. Set a 556 * high water mark so that the system can recover from excessive 557 * numbers of pv entries. 558 */ 559void 560pmap_init2(void) 561{ 562 int shpgperproc; 563 564 shpgperproc = PMAP_SHPGPERPROC; 565 TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc); 566 pv_entry_max = shpgperproc * maxproc + vm_page_array_size; 567 pv_entry_high_water = 9 * (pv_entry_max / 10); | 557 pmap_initialized = TRUE; 558} 559 560/* 561 * Initialize the address space (zone) for the pv_entries. Set a 562 * high water mark so that the system can recover from excessive 563 * numbers of pv entries. 564 */ 565void 566pmap_init2(void) 567{ 568 int shpgperproc; 569 570 shpgperproc = PMAP_SHPGPERPROC; 571 TUNABLE_INT_FETCH("vm.pmap.shpgperproc", &shpgperproc); 572 pv_entry_max = shpgperproc * maxproc + vm_page_array_size; 573 pv_entry_high_water = 9 * (pv_entry_max / 10); |
| 574#if 0 |
|
| 568 zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1); | 575 zinitna(pvzone, &pvzone_obj, NULL, 0, pv_entry_max, ZONE_INTERRUPT, 1); |
| 576#else 577 uma_zone_set_obj(pvzone, &pvzone_obj, pv_entry_max); 578#endif |
|
| 569} 570 571/* 572 * Extract the physical page address associated with the given 573 * map/virtual_address pair. 574 */ 575vm_offset_t 576pmap_extract(pmap_t pm, vm_offset_t va) --- 1259 unchanged lines hidden --- | 579} 580 581/* 582 * Extract the physical page address associated with the given 583 * map/virtual_address pair. 584 */ 585vm_offset_t 586pmap_extract(pmap_t pm, vm_offset_t va) --- 1259 unchanged lines hidden --- |