summaryrefslogtreecommitdiff
path: root/sys
diff options
context:
space:
mode:
Diffstat (limited to 'sys')
-rw-r--r--sys/uvm/uvm_map.h156
1 files changed, 77 insertions, 79 deletions
diff --git a/sys/uvm/uvm_map.h b/sys/uvm/uvm_map.h
index 11e94353dcd..40ad444cac8 100644
--- a/sys/uvm/uvm_map.h
+++ b/sys/uvm/uvm_map.h
@@ -1,5 +1,5 @@
-/* $OpenBSD: uvm_map.h,v 1.10 2001/08/12 22:41:15 mickey Exp $ */
-/* $NetBSD: uvm_map.h,v 1.17 2000/03/29 04:05:47 simonb Exp $ */
+/* $OpenBSD: uvm_map.h,v 1.11 2001/11/06 00:27:01 art Exp $ */
+/* $NetBSD: uvm_map.h,v 1.19 2000/06/26 17:18:40 mrg Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -146,9 +146,7 @@ struct vm_map_entry {
vaddr_t end; /* end address */
union vm_map_object object; /* object I point to */
voff_t offset; /* offset into object */
- /* etype is a bitmap that replaces the following 4 items */
int etype; /* entry type */
- /* Only in task maps: */
vm_prot_t protection; /* protection code */
vm_prot_t max_protection; /* maximum protection */
vm_inherit_t inheritance; /* inheritance */
@@ -159,9 +157,10 @@ struct vm_map_entry {
u_int8_t flags; /* flags */
#define UVM_MAP_STATIC 0x01 /* static map entry */
+
};
-#define VM_MAPENT_ISWIRED(entry) ((entry)->wired_count != 0)
+#define VM_MAPENT_ISWIRED(entry) ((entry)->wired_count != 0)
/*
* Maps are doubly-linked lists of map entries, kept sorted
@@ -234,12 +233,23 @@ struct vm_map {
};
/* vm_map flags */
-#define VM_MAP_PAGEABLE 0x01 /* ro: entries are pageable*/
-#define VM_MAP_INTRSAFE 0x02 /* ro: interrupt safe map */
-#define VM_MAP_WIREFUTURE 0x04 /* rw: wire future mappings */
+#define VM_MAP_PAGEABLE 0x01 /* ro: entries are pageable */
+#define VM_MAP_INTRSAFE 0x02 /* ro: interrupt safe map */
+#define VM_MAP_WIREFUTURE 0x04 /* rw: wire future mappings */
#define VM_MAP_BUSY 0x08 /* rw: map is busy */
#define VM_MAP_WANTLOCK 0x10 /* rw: want to write-lock */
+/* XXX: number of kernel maps and entries to statically allocate */
+#define MAX_KMAP 10
+
+#if !defined(MAX_KMAPENT)
+#if (50 + (2 * NPROC) > 1000)
+#define MAX_KMAPENT (50 + (2 * NPROC))
+#else
+#define MAX_KMAPENT 1000 /* XXXCDC: no crash */
+#endif
+#endif /* !defined MAX_KMAPENT */
+
#ifdef _KERNEL
#define vm_map_modflags(map, set, clear) \
do { \
@@ -250,11 +260,11 @@ do { \
#endif /* _KERNEL */
/*
- * Interrupt-safe maps must also be kept on a special list,
- * to assist uvm_fault() in avoiding locking problems.
+ * Interrupt-safe maps must also be kept on a special list,
+ * to assist uvm_fault() in avoiding locking problems.
*/
struct vm_map_intrsafe {
- struct vm_map vmi_map;
+ struct vm_map vmi_map;
LIST_ENTRY(vm_map_intrsafe) vmi_list;
};
@@ -287,6 +297,61 @@ vmi_list_unlock(s)
#endif /* _KERNEL */
/*
+ * handle inline options
+ */
+
+#ifdef UVM_MAP_INLINE
+#define MAP_INLINE static __inline
+#else
+#define MAP_INLINE /* nothing */
+#endif /* UVM_MAP_INLINE */
+
+/*
+ * globals:
+ */
+
+#ifdef _KERNEL
+
+#ifdef PMAP_GROWKERNEL
+extern vaddr_t uvm_maxkaddr;
+#endif
+
+/*
+ * protos: the following prototypes define the interface to vm_map
+ */
+
+MAP_INLINE
+void uvm_map_deallocate __P((vm_map_t));
+
+int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int));
+void uvm_map_clip_start __P((vm_map_t, vm_map_entry_t, vaddr_t));
+void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t, vaddr_t));
+MAP_INLINE
+vm_map_t uvm_map_create __P((pmap_t, vaddr_t, vaddr_t, int));
+int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t,
+ vm_map_t, vaddr_t *, int));
+vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t, vaddr_t *,
+ struct uvm_object *, voff_t, boolean_t));
+int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t, vm_inherit_t));
+int uvm_map_advice __P((vm_map_t, vaddr_t, vaddr_t, int));
+void uvm_map_init __P((void));
+boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t, vm_map_entry_t *));
+MAP_INLINE
+void uvm_map_reference __P((vm_map_t));
+int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t,
+ vm_map_entry_t, int));
+int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t, vaddr_t *));
+void uvm_map_setup __P((vm_map_t, vaddr_t, vaddr_t, int));
+int uvm_map_submap __P((vm_map_t, vaddr_t, vaddr_t, vm_map_t));
+MAP_INLINE
+int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t));
+void uvm_unmap_detach __P((vm_map_entry_t,int));
+int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t,
+ vm_map_entry_t *));
+
+#endif /* _KERNEL */
+
+/*
* VM map locking operations:
*
* These operations perform locking on the data portion of the
@@ -377,7 +442,7 @@ vm_map_lock(map)
#endif
goto try_again;
}
-
+
(map)->timestamp++;
}
@@ -445,71 +510,4 @@ do { \
#define vm_map_max(map) ((map)->max_offset)
#define vm_map_pmap(map) ((map)->pmap)
-/* XXX: number of kernel maps and entries to statically allocate */
-#ifndef MAX_KMAP
-#define MAX_KMAP 20
-#endif
-#ifndef MAX_KMAPENT
-#if (50 + (2 * NPROC) > 1000)
-#define MAX_KMAPENT (50 + (2 * NPROC))
-#else
-#define MAX_KMAPENT 1000 /* XXXCDC: no crash */
-#endif
-#endif
-
-/*
- * handle inline options
- */
-
-#ifdef UVM_MAP_INLINE
-#define MAP_INLINE static __inline
-#else
-#define MAP_INLINE /* nothing */
-#endif /* UVM_MAP_INLINE */
-
-/*
- * globals:
- */
-
-#ifdef _KERNEL
-
-#ifdef PMAP_GROWKERNEL
-extern vaddr_t uvm_maxkaddr;
-#endif
-
-/*
- * protos: the following prototypes define the interface to vm_map
- */
-
-MAP_INLINE
-void uvm_map_deallocate __P((vm_map_t));
-
-int uvm_map_clean __P((vm_map_t, vaddr_t, vaddr_t, int));
-void uvm_map_clip_start __P((vm_map_t, vm_map_entry_t, vaddr_t));
-void uvm_map_clip_end __P((vm_map_t, vm_map_entry_t, vaddr_t));
-MAP_INLINE
-vm_map_t uvm_map_create __P((pmap_t, vaddr_t, vaddr_t, int));
-int uvm_map_extract __P((vm_map_t, vaddr_t, vsize_t,
- vm_map_t, vaddr_t *, int));
-vm_map_entry_t uvm_map_findspace __P((vm_map_t, vaddr_t, vsize_t, vaddr_t *,
- struct uvm_object *, voff_t, boolean_t));
-int uvm_map_inherit __P((vm_map_t, vaddr_t, vaddr_t, vm_inherit_t));
-int uvm_map_advice __P((vm_map_t, vaddr_t, vaddr_t, int));
-void uvm_map_init __P((void));
-boolean_t uvm_map_lookup_entry __P((vm_map_t, vaddr_t, vm_map_entry_t *));
-MAP_INLINE
-void uvm_map_reference __P((vm_map_t));
-int uvm_map_replace __P((vm_map_t, vaddr_t, vaddr_t,
- vm_map_entry_t, int));
-int uvm_map_reserve __P((vm_map_t, vsize_t, vaddr_t, vaddr_t *));
-void uvm_map_setup __P((vm_map_t, vaddr_t, vaddr_t, int));
-int uvm_map_submap __P((vm_map_t, vaddr_t, vaddr_t, vm_map_t));
-MAP_INLINE
-int uvm_unmap __P((vm_map_t, vaddr_t, vaddr_t));
-void uvm_unmap_detach __P((vm_map_entry_t,int));
-int uvm_unmap_remove __P((vm_map_t, vaddr_t, vaddr_t,
- vm_map_entry_t *));
-
-#endif /* _KERNEL */
-
#endif /* _UVM_UVM_MAP_H_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 02:12:01 +0000