vm_glue.c (877329e0590972edde08e476dc00a8bb01c42dba) vm_glue.c (a6e6bcc5f450124bd4741226a8498f22538e983b)
1/*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

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54 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
55 * School of Computer Science
56 * Carnegie Mellon University
57 * Pittsburgh PA 15213-3890
58 *
59 * any improvements or extensions that they make and grant Carnegie the
60 * rights to redistribute these changes.
61 *
1/*
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * The Mach Operating System project at Carnegie-Mellon University.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 45 unchanged lines hidden (view full) ---

54 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
55 * School of Computer Science
56 * Carnegie Mellon University
57 * Pittsburgh PA 15213-3890
58 *
59 * any improvements or extensions that they make and grant Carnegie the
60 * rights to redistribute these changes.
61 *
62 * $Id: vm_glue.c,v 1.50 1996/05/31 00:37:57 dyson Exp $
62 * $Id: vm_glue.c,v 1.51 1996/06/30 21:16:18 dyson Exp $
63 */
64
65#include "opt_ddb.h"
66
67#include <sys/param.h>
68#include <sys/systm.h>
69#include <sys/proc.h>
70#include <sys/resourcevar.h>

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248 * Enter the page into both the kernel and the process
249 * address space.
250 */
251 pmap_enter( pvp, (vm_offset_t) kstack + i * PAGE_SIZE,
252 VM_PAGE_TO_PHYS(m), VM_PROT_READ|VM_PROT_WRITE, TRUE);
253 pmap_kenter(((vm_offset_t) up) + i * PAGE_SIZE,
254 VM_PAGE_TO_PHYS(m));
255 m->flags &= ~PG_ZERO;
63 */
64
65#include "opt_ddb.h"
66
67#include <sys/param.h>
68#include <sys/systm.h>
69#include <sys/proc.h>
70#include <sys/resourcevar.h>

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248 * Enter the page into both the kernel and the process
249 * address space.
250 */
251 pmap_enter( pvp, (vm_offset_t) kstack + i * PAGE_SIZE,
252 VM_PAGE_TO_PHYS(m), VM_PROT_READ|VM_PROT_WRITE, TRUE);
253 pmap_kenter(((vm_offset_t) up) + i * PAGE_SIZE,
254 VM_PAGE_TO_PHYS(m));
255 m->flags &= ~PG_ZERO;
256 m->flags |= PG_MAPPED;
256 m->flags |= PG_MAPPED|PG_WRITEABLE;
257 m->valid = VM_PAGE_BITS_ALL;
258 }
259
260 p2->p_addr = up;
261
262 /*
263 * p_stats and p_sigacts currently point at fields in the user struct
264 * but not at &u, instead at p_addr. Copy p_sigacts and parts of

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359 int rv;
360 rv = vm_pager_get_pages(upobj,
361 &m, 1, 0);
362 if (rv != VM_PAGER_OK)
363 panic("faultin: cannot get upages for proc: %d\n", p->p_pid);
364 m->valid = VM_PAGE_BITS_ALL;
365 }
366 PAGE_WAKEUP(m);
257 m->valid = VM_PAGE_BITS_ALL;
258 }
259
260 p2->p_addr = up;
261
262 /*
263 * p_stats and p_sigacts currently point at fields in the user struct
264 * but not at &u, instead at p_addr. Copy p_sigacts and parts of

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359 int rv;
360 rv = vm_pager_get_pages(upobj,
361 &m, 1, 0);
362 if (rv != VM_PAGER_OK)
363 panic("faultin: cannot get upages for proc: %d\n", p->p_pid);
364 m->valid = VM_PAGE_BITS_ALL;
365 }
366 PAGE_WAKEUP(m);
367 m->flags |= PG_MAPPED;
367 m->flags |= PG_MAPPED|PG_WRITEABLE;
368 }
369
370 s = splhigh();
371
372 if (p->p_stat == SRUN)
373 setrunqueue(p);
374
375 p->p_flag |= P_INMEM;

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369
370 s = splhigh();
371
372 if (p->p_stat == SRUN)
373 setrunqueue(p);
374
375 p->p_flag |= P_INMEM;

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