xnu-1228.5.18.tar.gz

[apple/xnu.git] / osfmk / vm / pmap.h

diff --git a/osfmk/vm/pmap.h b/osfmk/vm/pmap.h
index 06e064fec567b81cf9bfcda880297fa3c150ba25..d30299778fee450467eec6a5066869fe4e0a23d1 100644 (file)
--- a/osfmk/vm/pmap.h
+++ b/osfmk/vm/pmap.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -141,7 +141,8 @@ extern void         pmap_startup(
                                                 * use remaining physical pages
                                                 * to allocate page frames.
                                                 */
                                                 * use remaining physical pages
                                                 * to allocate page frames.
                                                 */

-extern void            pmap_init(void);        /* Initialization,
+extern void            pmap_init(void) __attribute__((section("__TEXT, initcode")));
+                                               /* Initialization,

                                                 * after kernel runs
                                                 * in virtual memory.
                                                 */
                                                 * after kernel runs
                                                 * in virtual memory.
                                                 */


@@ -186,7 +187,11 @@ extern void                pmap_virtual_space(
  */
 extern pmap_t          pmap_create(    /* Create a pmap_t. */
                                vm_map_size_t   size,
  */
 extern pmap_t          pmap_create(    /* Create a pmap_t. */
                                vm_map_size_t   size,

+#ifdef __i386__

                                boolean_t       is_64bit);
                                boolean_t       is_64bit);

+#else
+                               __unused boolean_t      is_64bit);
+#endif

 extern pmap_t          (pmap_kernel)(void);    /* Return the kernel's pmap */
 extern void            pmap_reference(pmap_t pmap);    /* Gain a reference. */
 extern void            pmap_destroy(pmap_t pmap); /* Release a reference. */
 extern pmap_t          (pmap_kernel)(void);    /* Return the kernel's pmap */
 extern void            pmap_reference(pmap_t pmap);    /* Gain a reference. */
 extern void            pmap_destroy(pmap_t pmap); /* Release a reference. */


@@ -259,6 +264,9 @@ extern kern_return_t        (pmap_attribute_cache_sync)(  /* Flush appropriate
 extern unsigned int    (pmap_cache_attributes)(
                                ppnum_t         pn);
 
 extern unsigned int    (pmap_cache_attributes)(
                                ppnum_t         pn);
 

+extern void pmap_sync_page_data_phys(ppnum_t pa);
+extern void pmap_sync_page_attributes_phys(ppnum_t pa);
+

 /*
  * debug/assertions. pmap_verify_free returns true iff
  * the given physical page is mapped into no pmap.
 /*
  * debug/assertions. pmap_verify_free returns true iff
  * the given physical page is mapped into no pmap.


@@ -269,13 +277,15 @@ extern boolean_t  pmap_verify_free(ppnum_t pn);
  *     Statistics routines
  */
 extern int             (pmap_resident_count)(pmap_t pmap);
  *     Statistics routines
  */
 extern int             (pmap_resident_count)(pmap_t pmap);

+extern int             (pmap_resident_max)(pmap_t pmap);

 
 /*
  *     Sundry required (internal) routines
  */
 
 /*
  *     Sundry required (internal) routines
  */

+#ifdef CURRENTLY_UNUSED_AND_UNTESTED

 extern void            pmap_collect(pmap_t pmap);/* Perform garbage
                                                 * collection, if any */
 extern void            pmap_collect(pmap_t pmap);/* Perform garbage
                                                 * collection, if any */

-
+#endif

 /*
  *     Optional routines
  */
 /*
  *     Optional routines
  */


@@ -356,10 +366,14 @@ extern kern_return_t      (pmap_attribute)(       /* Get/Set special memory
        if (__pmap != kernel_pmap) {                                    \
                ASSERT_PAGE_DECRYPTED(__page);                          \
        }                                                               \
        if (__pmap != kernel_pmap) {                                    \
                ASSERT_PAGE_DECRYPTED(__page);                          \
        }                                                               \

+       if (__page->error) {                                            \
+               panic("VM page %p should not have an error\n",          \
+                       __page);                                        \
+       }                                                               \

        pmap_enter(__pmap,                                              \
                   (virtual_address),                                   \
                   __page->phys_page,                                   \
        pmap_enter(__pmap,                                              \
                   (virtual_address),                                   \
                   __page->phys_page,                                   \

-                  (protection) & ~__page->page_lock,                   \
+                  (protection),                                        \

                   (flags),                                             \
                   (wired));                                            \
        MACRO_END
                   (flags),                                             \
                   (wired));                                            \
        MACRO_END


@@ -402,6 +416,19 @@ extern void                (pmap_pageable)(
                                vm_map_offset_t end,
                                boolean_t       pageable);
 
                                vm_map_offset_t end,
                                boolean_t       pageable);
 

+#ifndef NO_NESTED_PMAP
+extern uint64_t pmap_nesting_size_min;
+extern uint64_t pmap_nesting_size_max;
+extern kern_return_t pmap_nest(pmap_t grand,
+                              pmap_t subord,
+                              addr64_t vstart,
+                              addr64_t nstart,
+                              uint64_t size);
+extern kern_return_t pmap_unnest(pmap_t grand,
+                                addr64_t vaddr,
+                                uint64_t size);
+#endif /* NO_NESTED_PMAP */
+

 #endif /* MACH_KERNEL_PRIVATE */
 
 /*
 #endif /* MACH_KERNEL_PRIVATE */
 
 /*


@@ -423,11 +450,6 @@ extern pmap_t      kernel_pmap;                    /* The kernel's map */
 #define VM_WIMG_MASK           0xFF
 #define VM_WIMG_USE_DEFAULT    0x80000000
 
 #define VM_WIMG_MASK           0xFF
 #define VM_WIMG_USE_DEFAULT    0x80000000
 

-extern void            pmap_modify_pages(      /* Set modify bit for pages */
-                               pmap_t          map,
-                               vm_map_offset_t s,
-                               vm_map_offset_t e);
-

 extern vm_offset_t     pmap_extract(pmap_t pmap,
                                vm_map_offset_t va);
 
 extern vm_offset_t     pmap_extract(pmap_t pmap,
                                vm_map_offset_t va);
 


@@ -439,9 +461,13 @@ extern void                pmap_change_wiring(     /* Specify pageability */
 /* LP64todo - switch to vm_map_offset_t when it grows */
 extern void            pmap_remove(    /* Remove mappings. */
                                pmap_t          map,
 /* LP64todo - switch to vm_map_offset_t when it grows */
 extern void            pmap_remove(    /* Remove mappings. */
                                pmap_t          map,

-                               addr64_t        s,
-                               addr64_t        e);
+                               vm_map_offset_t s,
+                               vm_map_offset_t e);
+
+extern void            fillPage(ppnum_t pa, unsigned int fill);

 
 

+extern void pmap_map_sharedpage(task_t task, pmap_t pmap);
+extern void pmap_unmap_sharedpage(pmap_t pmap);

 
 #endif  /* KERNEL_PRIVATE */
 
 
 #endif  /* KERNEL_PRIVATE */