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[src/trunk]: src/sys/arch/x86/x86 Switch to the new PTE naming:



details:   https://anonhg.NetBSD.org/src/rev/978a1836c8c5
branches:  trunk
changeset: 845531:978a1836c8c5
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Oct 05 07:19:49 2019 +0000

description:
Switch to the new PTE naming:

        PG_PVLIST -> PTE_PVLIST
        PG_W      -> PTE_WIRED
        PG_FRAME  -> PTE_FRAME

No functional change.

diffstat:

 sys/arch/x86/x86/pmap.c |  54 ++++++++++++++++++++++++------------------------
 1 files changed, 27 insertions(+), 27 deletions(-)

diffs (184 lines):

diff -r 9b6355c98156 -r 978a1836c8c5 sys/arch/x86/x86/pmap.c
--- a/sys/arch/x86/x86/pmap.c   Sat Oct 05 06:28:50 2019 +0000
+++ b/sys/arch/x86/x86/pmap.c   Sat Oct 05 07:19:49 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.335 2019/08/07 06:23:48 maxv Exp $  */
+/*     $NetBSD: pmap.c,v 1.336 2019/10/05 07:19:49 maxv Exp $  */
 
 /*
  * Copyright (c) 2008, 2010, 2016, 2017 The NetBSD Foundation, Inc.
@@ -130,7 +130,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.335 2019/08/07 06:23:48 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.336 2019/10/05 07:19:49 maxv Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_lockdebug.h"
@@ -299,10 +299,10 @@
 struct bootspace bootspace __read_mostly;
 struct slotspace slotspace __read_mostly;
 
-/* Set to PG_NX if supported. */
+/* Set to PTE_NX if supported. */
 pd_entry_t pmap_pg_nx __read_mostly = 0;
 
-/* Set to PG_G if supported. */
+/* Set to PTE_G if supported. */
 pd_entry_t pmap_pg_g __read_mostly = 0;
 
 /* Set to true if large pages are supported. */
@@ -512,10 +512,10 @@
 pmap_stats_update_bypte(struct pmap *pmap, pt_entry_t npte, pt_entry_t opte)
 {
        int resid_diff = ((npte & PTE_P) ? 1 : 0) - ((opte & PTE_P) ? 1 : 0);
-       int wired_diff = ((npte & PG_W) ? 1 : 0) - ((opte & PG_W) ? 1 : 0);
-
-       KASSERT((npte & (PTE_P | PG_W)) != PG_W);
-       KASSERT((opte & (PTE_P | PG_W)) != PG_W);
+       int wired_diff = ((npte & PTE_WIRED) ? 1 : 0) - ((opte & PTE_WIRED) ? 1 : 0);
+
+       KASSERT((npte & (PTE_P | PTE_WIRED)) != PTE_WIRED);
+       KASSERT((opte & (PTE_P | PTE_WIRED)) != PTE_WIRED);
 
        pmap_stats_update(pmap, resid_diff, wired_diff);
 }
@@ -973,7 +973,7 @@
                }
                KASSERTMSG((opte & PTE_PS) == 0,
                    "va %#" PRIxVADDR " is a large page", va);
-               KASSERTMSG((opte & PG_PVLIST) == 0,
+               KASSERTMSG((opte & PTE_PVLIST) == 0,
                    "va %#" PRIxVADDR " is a pv tracked page", va);
        }
        if (localonly) {
@@ -3507,12 +3507,12 @@
        /*
         * If we are not on a pv_head list - we are done.
         */
-       if ((opte & PG_PVLIST) == 0) {
+       if ((opte & PTE_PVLIST) == 0) {
 #ifndef DOM0OPS
                KASSERTMSG((PHYS_TO_VM_PAGE(pmap_pte2pa(opte)) == NULL),
-                   "managed page without PG_PVLIST for %#"PRIxVADDR, va);
+                   "managed page without PTE_PVLIST for %#"PRIxVADDR, va);
                KASSERTMSG((pmap_pv_tracked(pmap_pte2pa(opte)) == NULL),
-                   "pv-tracked page without PG_PVLIST for %#"PRIxVADDR, va);
+                   "pv-tracked page without PTE_PVLIST for %#"PRIxVADDR, va);
 #endif
                return true;
        }
@@ -3522,7 +3522,7 @@
                pp = VM_PAGE_TO_PP(pg);
        } else if ((pp = pmap_pv_tracked(pmap_pte2pa(opte))) == NULL) {
                paddr_t pa = pmap_pte2pa(opte);
-               panic("%s: PG_PVLIST with pv-untracked page"
+               panic("%s: PTE_PVLIST with pv-untracked page"
                    " va = %#"PRIxVADDR"pa = %#"PRIxPADDR" (%#"PRIxPADDR")",
                    __func__, va, pa, atop(pa));
        }
@@ -4124,8 +4124,8 @@
        opte = *ptep;
        KASSERT(pmap_valid_entry(opte));
 
-       if (opte & PG_W) {
-               pt_entry_t npte = opte & ~PG_W;
+       if (opte & PTE_WIRED) {
+               pt_entry_t npte = opte & ~PTE_WIRED;
 
                opte = pmap_pte_testset(ptep, npte);
                pmap_stats_update_bypte(pmap, npte, opte);
@@ -4202,7 +4202,7 @@
        npte = ma | protection_codes[prot] | PTE_P;
        npte |= pmap_pat_flags(flags);
        if (wired)
-               npte |= PG_W;
+               npte |= PTE_WIRED;
        if (va < VM_MAXUSER_ADDRESS)
                npte |= PTE_U;
 
@@ -4224,11 +4224,11 @@
                new_pg = PHYS_TO_VM_PAGE(pa);
        if (new_pg != NULL) {
                /* This is a managed page */
-               npte |= PG_PVLIST;
+               npte |= PTE_PVLIST;
                new_pp = VM_PAGE_TO_PP(new_pg);
        } else if ((new_pp = pmap_pv_tracked(pa)) != NULL) {
                /* This is an unmanaged pv-tracked page */
-               npte |= PG_PVLIST;
+               npte |= PTE_PVLIST;
        } else {
                new_pp = NULL;
        }
@@ -4334,19 +4334,19 @@
         * If the same page, we can skip pv_entry handling.
         */
        if (((opte ^ npte) & (PTE_FRAME | PTE_P)) == 0) {
-               KASSERT(((opte ^ npte) & PG_PVLIST) == 0);
+               KASSERT(((opte ^ npte) & PTE_PVLIST) == 0);
                goto same_pa;
        }
 
        /*
         * If old page is pv-tracked, remove pv_entry from its list.
         */
-       if ((~opte & (PTE_P | PG_PVLIST)) == 0) {
+       if ((~opte & (PTE_P | PTE_PVLIST)) == 0) {
                if ((old_pg = PHYS_TO_VM_PAGE(oldpa)) != NULL) {
                        KASSERT(uvm_page_locked_p(old_pg));
                        old_pp = VM_PAGE_TO_PP(old_pg);
                } else if ((old_pp = pmap_pv_tracked(oldpa)) == NULL) {
-                       panic("%s: PG_PVLIST with pv-untracked page"
+                       panic("%s: PTE_PVLIST with pv-untracked page"
                            " va = %#"PRIxVADDR
                            " pa = %#" PRIxPADDR " (%#" PRIxPADDR ")",
                            __func__, va, oldpa, atop(pa));
@@ -5217,7 +5217,7 @@
                /*
                 * if the same page, inherit PTE_A and PTE_D.
                 */
-               if (((opte ^ npte) & (PG_FRAME | EPT_R)) == 0) {
+               if (((opte ^ npte) & (PTE_FRAME | EPT_R)) == 0) {
                        npte |= opte & (EPT_A | EPT_D);
                }
        } while (pmap_pte_cas(ptep, opte, npte) != opte);
@@ -5234,7 +5234,7 @@
        /*
         * If the same page, we can skip pv_entry handling.
         */
-       if (((opte ^ npte) & (PG_FRAME | EPT_R)) == 0) {
+       if (((opte ^ npte) & (PTE_FRAME | EPT_R)) == 0) {
                KASSERT(((opte ^ npte) & EPT_PVLIST) == 0);
                goto same_pa;
        }
@@ -5272,7 +5272,7 @@
        } else {
                accessed = (opte & EPT_R) != 0;
        }
-       if (accessed && ((opte ^ npte) & (PG_FRAME | EPT_W)) != 0) {
+       if (accessed && ((opte ^ npte) & (PTE_FRAME | EPT_W)) != 0) {
                pmap_tlb_shootdown(pmap, va, 0, TLBSHOOT_ENTER);
        }
 
@@ -5541,7 +5541,7 @@
                KASSERT((opte & (EPT_D | EPT_A)) != EPT_D);
                KASSERT((opte & (EPT_A | EPT_R)) != EPT_A);
                KASSERT(opte == 0 || (opte & EPT_R) != 0);
-               if ((opte & (PG_FRAME | EPT_R)) != expect) {
+               if ((opte & (PTE_FRAME | EPT_R)) != expect) {
                        /*
                         * We lost a race with a V->P operation like
                         * pmap_remove().  Wait for the competitor
@@ -5630,8 +5630,8 @@
        if (!(prot & VM_PROT_WRITE))
                bit_rem = EPT_W;
 
-       sva &= PG_FRAME;
-       eva &= PG_FRAME;
+       sva &= PTE_FRAME;
+       eva &= PTE_FRAME;
 
        /* Acquire pmap. */
        kpreempt_disable();



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