xnu-3789.51.2.tar.gz

[apple/xnu.git] / osfmk / mach / i386 / vm_param.h

diff --git a/osfmk/mach/i386/vm_param.h b/osfmk/mach/i386/vm_param.h
index 12eb226e2c93843e022e407c0af8c629d292381b..965e596aec996ee66943853d4729d22a720d45a1 100644 (file)
--- a/osfmk/mach/i386/vm_param.h
+++ b/osfmk/mach/i386/vm_param.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.

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


@@ -99,6 +99,14 @@
 #define        PAGE_SHIFT              I386_PGSHIFT
 #define        PAGE_MASK               (PAGE_SIZE - 1)
 
 #define        PAGE_SHIFT              I386_PGSHIFT
 #define        PAGE_MASK               (PAGE_SIZE - 1)
 

+#define PAGE_MAX_SHIFT          PAGE_SHIFT
+#define PAGE_MAX_SIZE           PAGE_SIZE
+#define PAGE_MAX_MASK           PAGE_MASK
+
+#define PAGE_MIN_SHIFT          PAGE_SHIFT
+#define PAGE_MIN_SIZE           PAGE_SIZE
+#define PAGE_MIN_MASK           PAGE_MASK
+

 #define I386_LPGBYTES          2*1024*1024     /* bytes per large page */
 #define I386_LPGSHIFT          21              /* bitshift for large pages */
 #define I386_LPGMASK           (I386_LPGBYTES-1)
 #define I386_LPGBYTES          2*1024*1024     /* bytes per large page */
 #define I386_LPGSHIFT          21              /* bitshift for large pages */
 #define I386_LPGMASK           (I386_LPGBYTES-1)


@@ -156,6 +164,9 @@
 
 #ifdef KERNEL_PRIVATE 
 
 
 #ifdef KERNEL_PRIVATE 
 

+#define TEST_PAGE_SIZE_16K      FALSE
+#define TEST_PAGE_SIZE_4K       TRUE
+

 /* Kernel-wide values */
 
 #define KB             (1024ULL)               
 /* Kernel-wide values */
 
 #define KB             (1024ULL)               


@@ -166,12 +177,8 @@
  * Maximum physical memory supported.
  */
 #define        K32_MAXMEM      (32*GB)
  * Maximum physical memory supported.
  */
 #define        K32_MAXMEM      (32*GB)

-#define        K64_MAXMEM      (96*GB)
-#if defined(__i386__)
-#define KERNEL_MAXMEM  K32_MAXMEM
-#else
+#define        K64_MAXMEM      (252*GB)

 #define KERNEL_MAXMEM  K64_MAXMEM
 #define KERNEL_MAXMEM  K64_MAXMEM

-#endif

 
 /*
  * XXX
 
 /*
  * XXX


@@ -181,14 +188,6 @@
  * We can't let VM allocate memory from there.
  */
 
  * We can't let VM allocate memory from there.
  */
 

-#if defined(__i386__)
-
-#define KERNEL_IMAGE_TO_PHYS(x) (x)
-#define VM_MIN_KERNEL_ADDRESS          ((vm_offset_t) 0x00001000U)
-#define VM_MIN_KERNEL_AND_KEXT_ADDRESS VM_MIN_KERNEL_ADDRESS
-#define VM_MAX_KERNEL_ADDRESS          ((vm_offset_t) 0xFE7FFFFFU)
-
-#elif defined(__x86_64__)

 
 #define KERNEL_IMAGE_TO_PHYS(x) (x)
 #define VM_MIN_KERNEL_ADDRESS          ((vm_offset_t) 0xFFFFFF8000000000UL)
 
 #define KERNEL_IMAGE_TO_PHYS(x) (x)
 #define VM_MIN_KERNEL_ADDRESS          ((vm_offset_t) 0xFFFFFF8000000000UL)


@@ -200,13 +199,6 @@
 #define KEXT_ALLOC_BASE(x)  ((x) - KEXT_ALLOC_MAX_OFFSET)
 #define KEXT_ALLOC_SIZE(x)  (KEXT_ALLOC_MAX_OFFSET - (x))
 
 #define KEXT_ALLOC_BASE(x)  ((x) - KEXT_ALLOC_MAX_OFFSET)
 #define KEXT_ALLOC_SIZE(x)  (KEXT_ALLOC_MAX_OFFSET - (x))
 

-#define VM_KERNEL_IS_KEXT(_o)                                                 \
-                (((vm_offset_t)(_o) >= VM_MIN_KERNEL_AND_KEXT_ADDRESS) &&      \
-                 ((vm_offset_t)(_o) <  VM_MIN_KERNEL_ADDRESS))
-
-#else
-#error unsupported architecture
-#endif

 
 #define KERNEL_STACK_SIZE      (I386_PGBYTES*4)
 
 
 #define KERNEL_STACK_SIZE      (I386_PGBYTES*4)
 


@@ -236,19 +228,6 @@
  * The common alignment for LP64 is for longs and pointers i.e. 8 bytes.
  */
 
  * The common alignment for LP64 is for longs and pointers i.e. 8 bytes.
  */
 

-#if defined(__i386__)
-
-#define        KALLOC_MINSIZE          16      /* minimum allocation size */
-#define        KALLOC_LOG2_MINALIGN    4       /* log2 minimum alignment */
-
-#define LINEAR_KERNEL_ADDRESS  ((vm_offset_t) 0x00000000)
-
-#define VM_MIN_KERNEL_LOADED_ADDRESS   ((vm_offset_t) 0x00000000U)
-#define VM_MAX_KERNEL_LOADED_ADDRESS   ((vm_offset_t) 0x1FFFFFFFU)
-
-#define NCOPY_WINDOWS 4
-
-#elif defined(__x86_64__)

 
 #define        KALLOC_MINSIZE          16      /* minimum allocation size */
 #define        KALLOC_LOG2_MINALIGN    4       /* log2 minimum alignment */
 
 #define        KALLOC_MINSIZE          16      /* minimum allocation size */
 #define        KALLOC_LOG2_MINALIGN    4       /* log2 minimum alignment */


@@ -261,9 +240,6 @@
 #define NCOPY_WINDOWS 0
 
 
 #define NCOPY_WINDOWS 0
 
 

-#else
-#error unsupported architecture
-#endif

 
 /*
  *     Conversion between 80386 pages and VM pages
 
 /*
  *     Conversion between 80386 pages and VM pages


@@ -276,7 +252,7 @@
 
 #define PMAP_SET_CACHE_ATTR(mem, object, cache_attr, batch_pmap_op)    \
        MACRO_BEGIN                                                     \
 
 #define PMAP_SET_CACHE_ATTR(mem, object, cache_attr, batch_pmap_op)    \
        MACRO_BEGIN                                                     \

-               pmap_set_cache_attributes((mem)->phys_page, (cache_attr));      \
+               pmap_set_cache_attributes(VM_PAGE_GET_PHYS_PAGE(mem), (cache_attr));    \

                (object)->set_cache_attr = TRUE;                                \
                (void) batch_pmap_op;                                   \
        MACRO_END                                                       
                (object)->set_cache_attr = TRUE;                                \
                (void) batch_pmap_op;                                   \
        MACRO_END