[src/trunk]: src/sys/arch New software PTE bits.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f27ed2b07925
branches:  trunk
changeset: 449514:f27ed2b07925
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Mar 09 09:09:56 2019 +0000

description:
New software PTE bits.

diffstat:

 sys/arch/amd64/include/pmap.h |  20 +++++++++++---------
 sys/arch/i386/include/pmap.h  |  20 ++++++++++++--------
 2 files changed, 23 insertions(+), 17 deletions(-)

diffs (105 lines):

diff -r 76343b067714 -r f27ed2b07925 sys/arch/amd64/include/pmap.h
--- a/sys/arch/amd64/include/pmap.h     Sat Mar 09 09:02:38 2019 +0000
+++ b/sys/arch/amd64/include/pmap.h     Sat Mar 09 09:09:56 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.h,v 1.59 2019/02/11 14:59:32 cherry Exp $ */
+/*     $NetBSD: pmap.h,v 1.60 2019/03/09 09:09:56 maxv Exp $   */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -163,14 +163,16 @@
 #define PTP_LEVELS     4
 
 /*
- * PG_AVAIL usage: we make use of the ignored bits of the PTE
+ * PTE_AVL usage: we make use of the ignored bits of the PTE
  */
+#define PTE_WIRED      PTE_AVL1        /* Wired Mapping */
+#define PTE_PVLIST     PTE_AVL2        /* Mapping has entry on pvlist */
+#define PTE_X          0               /* Dummy */
 
-#define PG_W           PG_AVAIL1       /* "wired" mapping */
-#define PG_PVLIST      PG_AVAIL2       /* mapping has entry on pvlist */
-/* PG_AVAIL3 not used */
-
-#define        PG_X            0               /* dummy */
+/* XXX To be deleted. */
+#define PG_W           PTE_WIRED
+#define PG_PVLIST      PTE_PVLIST
+#define PG_X           PTE_X
 
 void svs_pmap_sync(struct pmap *, int);
 void svs_lwp_switch(struct lwp *, struct lwp *);
@@ -182,7 +184,7 @@
 
 #ifndef XENPV
 #define pmap_pa2pte(a)                 (a)
-#define pmap_pte2pa(a)                 ((a) & PG_FRAME)
+#define pmap_pte2pa(a)                 ((a) & PTE_FRAME)
 #define pmap_pte_set(p, n)             do { *(p) = (n); } while (0)
 #define pmap_pte_cas(p, o, n)          atomic_cas_64((p), (o), (n))
 #define pmap_pte_testset(p, n)         \
@@ -204,7 +206,7 @@
 static __inline paddr_t
 pmap_pte2pa(pt_entry_t pte)
 {
-       return xpmap_mtop_masked(pte & PG_FRAME);
+       return xpmap_mtop_masked(pte & PTE_FRAME);
 }
 
 static __inline void
diff -r 76343b067714 -r f27ed2b07925 sys/arch/i386/include/pmap.h
--- a/sys/arch/i386/include/pmap.h      Sat Mar 09 09:02:38 2019 +0000
+++ b/sys/arch/i386/include/pmap.h      Sat Mar 09 09:09:56 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.h,v 1.122 2019/02/11 14:59:32 cherry Exp $        */
+/*     $NetBSD: pmap.h,v 1.123 2019/03/09 09:09:56 maxv Exp $  */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -224,7 +224,7 @@
 #define L2_SLOT_KERN   (KERNBASE/NBPD_L2)   /* 768: start of kernel space */
 #endif /* PAE */
 
-#define        L2_SLOT_KERNBASE L2_SLOT_KERN
+#define L2_SLOT_KERNBASE L2_SLOT_KERN
 
 #define PDIR_SLOT_KERN L2_SLOT_KERN
 #define PDIR_SLOT_PTE  L2_SLOT_PTE
@@ -278,18 +278,22 @@
 #define PTP_LEVELS     2
 
 /*
- * PG_AVAIL usage: we make use of the ignored bits of the PTE
+ * PTE_AVL usage: we make use of the ignored bits of the PTE
  */
+#define PTE_WIRED      PTE_AVL1        /* Wired Mapping */
+#define PTE_PVLIST     PTE_AVL2        /* Mapping has entry on pvlist */
+#define PTE_X          PTE_AVL3        /* Executable */
 
-#define PG_W           PG_AVAIL1       /* "wired" mapping */
-#define PG_PVLIST      PG_AVAIL2       /* mapping has entry on pvlist */
-#define PG_X           PG_AVAIL3       /* executable mapping */
+/* XXX To be deleted. */
+#define PG_W           PTE_WIRED
+#define PG_PVLIST      PTE_PVLIST
+#define PG_X           PTE_X
 
 #include <x86/pmap.h>
 
 #ifndef XENPV
 #define pmap_pa2pte(a)                 (a)
-#define pmap_pte2pa(a)                 ((a) & PG_FRAME)
+#define pmap_pte2pa(a)                 ((a) & PTE_FRAME)
 #define pmap_pte_set(p, n)             do { *(p) = (n); } while (0)
 #define pmap_pte_flush()               /* nothing */
 
@@ -323,7 +327,7 @@
 static __inline paddr_t
 pmap_pte2pa(pt_entry_t pte)
 {
-       return xpmap_mtop_masked(pte & PG_FRAME);
+       return xpmap_mtop_masked(pte & PTE_FRAME);
 }
 static __inline void
 pmap_pte_set(pt_entry_t *pte, pt_entry_t npte)