| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
1 | /* $NetBSD: pmap.c,v 1.51 2009/08/12 07:46:36 skrll Exp $ */ | | 1 | /* $NetBSD: pmap.c,v 1.52 2009/08/12 10:03:30 skrll Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. | | 4 | * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation | | 7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Matthew Fredette. | | 8 | * by Matthew Fredette. |
9 | * | | 9 | * |
10 | * Redistribution and use in source and binary forms, with or without | | 10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions | | 11 | * modification, are permitted provided that the following conditions |
12 | * are met: | | 12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright | | 13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. | | 14 | * notice, this list of conditions and the following disclaimer. |
| @@ -55,27 +55,27 @@ | | | @@ -55,27 +55,27 @@ |
55 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | | 55 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
56 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | | 56 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
57 | * THE POSSIBILITY OF SUCH DAMAGE. | | 57 | * THE POSSIBILITY OF SUCH DAMAGE. |
58 | */ | | 58 | */ |
59 | /* | | 59 | /* |
60 | * References: | | 60 | * References: |
61 | * 1. PA7100LC ERS, Hewlett-Packard, March 30 1999, Public version 1.0 | | 61 | * 1. PA7100LC ERS, Hewlett-Packard, March 30 1999, Public version 1.0 |
62 | * 2. PA7300LC ERS, Hewlett-Packard, March 18 1996, Version 1.0 | | 62 | * 2. PA7300LC ERS, Hewlett-Packard, March 18 1996, Version 1.0 |
63 | * 3. PA-RISC 1.1 Architecture and Instruction Set Reference Manual, | | 63 | * 3. PA-RISC 1.1 Architecture and Instruction Set Reference Manual, |
64 | * Hewlett-Packard, February 1994, Third Edition | | 64 | * Hewlett-Packard, February 1994, Third Edition |
65 | */ | | 65 | */ |
66 | | | 66 | |
67 | #include <sys/cdefs.h> | | 67 | #include <sys/cdefs.h> |
68 | __KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.51 2009/08/12 07:46:36 skrll Exp $"); | | 68 | __KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.52 2009/08/12 10:03:30 skrll Exp $"); |
69 | | | 69 | |
70 | #include <sys/param.h> | | 70 | #include <sys/param.h> |
71 | #include <sys/systm.h> | | 71 | #include <sys/systm.h> |
72 | #include <sys/malloc.h> | | 72 | #include <sys/malloc.h> |
73 | #include <sys/user.h> | | 73 | #include <sys/user.h> |
74 | #include <sys/proc.h> | | 74 | #include <sys/proc.h> |
75 | | | 75 | |
76 | #include <uvm/uvm.h> | | 76 | #include <uvm/uvm.h> |
77 | | | 77 | |
78 | #include <machine/reg.h> | | 78 | #include <machine/reg.h> |
79 | #include <machine/psl.h> | | 79 | #include <machine/psl.h> |
80 | #include <machine/cpu.h> | | 80 | #include <machine/cpu.h> |
81 | #include <machine/pmap.h> | | 81 | #include <machine/pmap.h> |
| @@ -1720,51 +1720,49 @@ pmap_flush_page(struct vm_page *pg, bool | | | @@ -1720,51 +1720,49 @@ pmap_flush_page(struct vm_page *pg, bool |
1720 | fdcache(pve->pv_pmap->pm_space, va, PAGE_SIZE); | | 1720 | fdcache(pve->pv_pmap->pm_space, va, PAGE_SIZE); |
1721 | } | | 1721 | } |
1722 | mutex_exit(&pg->mdpage.pvh_lock); | | 1722 | mutex_exit(&pg->mdpage.pvh_lock); |
1723 | } | | 1723 | } |
1724 | | | 1724 | |
1725 | /* | | 1725 | /* |
1726 | * pmap_zero_page(pa) | | 1726 | * pmap_zero_page(pa) |
1727 | * | | 1727 | * |
1728 | * Zeros the specified page. | | 1728 | * Zeros the specified page. |
1729 | */ | | 1729 | */ |
1730 | void | | 1730 | void |
1731 | pmap_zero_page(paddr_t pa) | | 1731 | pmap_zero_page(paddr_t pa) |
1732 | { | | 1732 | { |
1733 | struct vm_page *pg = PHYS_TO_VM_PAGE(pa); | | | |
1734 | | | 1733 | |
1735 | DPRINTF(PDB_FOLLOW|PDB_PHYS, ("%s(%x)\n", __func__, (int)pa)); | | 1734 | DPRINTF(PDB_FOLLOW|PDB_PHYS, ("%s(%x)\n", __func__, (int)pa)); |
1736 | | | 1735 | |
1737 | KASSERT(pg->mdpage.pvh_list == NULL); | | 1736 | KASSERT(PHYS_TO_VM_PAGE(pa)->mdpage.pvh_list == NULL); |
1738 | | | 1737 | |
1739 | memset((void *)pa, 0, PAGE_SIZE); | | 1738 | memset((void *)pa, 0, PAGE_SIZE); |
1740 | fdcache(HPPA_SID_KERNEL, pa, PAGE_SIZE); | | 1739 | fdcache(HPPA_SID_KERNEL, pa, PAGE_SIZE); |
1741 | } | | 1740 | } |
1742 | | | 1741 | |
1743 | /* | | 1742 | /* |
1744 | * pmap_copy_page(src, dst) | | 1743 | * pmap_copy_page(src, dst) |
1745 | * | | 1744 | * |
1746 | * pmap_copy_page copies the source page to the destination page. | | 1745 | * pmap_copy_page copies the source page to the destination page. |
1747 | */ | | 1746 | */ |
1748 | void | | 1747 | void |
1749 | pmap_copy_page(paddr_t spa, paddr_t dpa) | | 1748 | pmap_copy_page(paddr_t spa, paddr_t dpa) |
1750 | { | | 1749 | { |
1751 | struct vm_page *srcpg = PHYS_TO_VM_PAGE(spa); | | 1750 | struct vm_page *srcpg = PHYS_TO_VM_PAGE(spa); |
1752 | struct vm_page *dstpg = PHYS_TO_VM_PAGE(dpa); | | | |
1753 | | | 1751 | |
1754 | DPRINTF(PDB_FOLLOW|PDB_PHYS, ("%s(%x, %x)\n", __func__, (int)spa, | | 1752 | DPRINTF(PDB_FOLLOW|PDB_PHYS, ("%s(%x, %x)\n", __func__, (int)spa, |
1755 | (int)dpa)); | | 1753 | (int)dpa)); |
1756 | | | 1754 | |
1757 | KASSERT(dstpg->mdpage.pvh_list == NULL); | | 1755 | KASSERT(PHYS_TO_VM_PAGE(dpa)->mdpage.pvh_list == NULL); |
1758 | | | 1756 | |
1759 | pmap_flush_page(srcpg, false); | | 1757 | pmap_flush_page(srcpg, false); |
1760 | | | 1758 | |
1761 | memcpy((void *)dpa, (void *)spa, PAGE_SIZE); | | 1759 | memcpy((void *)dpa, (void *)spa, PAGE_SIZE); |
1762 | | | 1760 | |
1763 | pdcache(HPPA_SID_KERNEL, spa, PAGE_SIZE); | | 1761 | pdcache(HPPA_SID_KERNEL, spa, PAGE_SIZE); |
1764 | fdcache(HPPA_SID_KERNEL, dpa, PAGE_SIZE); | | 1762 | fdcache(HPPA_SID_KERNEL, dpa, PAGE_SIZE); |
1765 | } | | 1763 | } |
1766 | | | 1764 | |
1767 | void | | 1765 | void |
1768 | pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot) | | 1766 | pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot) |
1769 | { | | 1767 | { |
1770 | volatile pt_entry_t *pde; | | 1768 | volatile pt_entry_t *pde; |