xnu-1504.15.3.tar.gz

[apple/xnu.git] / osfmk / vm / vm_init.c

diff --git a/osfmk/vm/vm_init.c b/osfmk/vm/vm_init.c
index 26bd959e51ec1e8f0c7c4a2c687c7c40400a6b31..8180254b223a5e2dbeaeac82df3c0d6cdc230260 100644 (file)
--- a/osfmk/vm/vm_init.c
+++ b/osfmk/vm/vm_init.c
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -63,6 +66,7 @@
 #include <mach/machine/vm_types.h>
 #include <kern/zalloc.h>
 #include <kern/kalloc.h>
+#include <kern/kext_alloc.h>
 #include <vm/vm_object.h>
 #include <vm/vm_map.h>
 #include <vm/vm_page.h>
@@ -71,8 +75,20 @@
 #include <vm/vm_fault.h>
 #include <vm/vm_init.h>
 
-#define ZONE_MAP_MIN (12 * 1024 * 1024) 
-#define ZONE_MAP_MAX (256 * 1024 * 1024) 
+#include <pexpert/pexpert.h>
+
+#include <vm/vm_protos.h>
+
+#define ZONE_MAP_MIN CONFIG_ZONE_MAP_MIN
+
+/* Maximum zone size is 1.5G */
+#define ZONE_MAP_MAX (1024 * 1024 * 1536) 
+
+const vm_offset_t vm_min_kernel_address = VM_MIN_KERNEL_AND_KEXT_ADDRESS;
+const vm_offset_t vm_max_kernel_address = VM_MAX_KERNEL_ADDRESS;
+
+boolean_t vm_kernel_ready = FALSE;
+boolean_t zlog_ready = FALSE;
 
 /*
  *     vm_mem_bootstrap initializes the virtual memory system.
@@ -83,42 +99,85 @@ void
 vm_mem_bootstrap(void)
 {
        vm_offset_t     start, end;
-       vm_size_t zsize;
+       vm_size_t zsizearg;
+       mach_vm_size_t zsize;
 
        /*
         *      Initializes resident memory structures.
         *      From here on, all physical memory is accounted for,
         *      and we use only virtual addresses.
         */
+#define vm_mem_bootstrap_kprintf(x)
 
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling vm_page_bootstrap\n"));
        vm_page_bootstrap(&start, &end);
 
        /*
         *      Initialize other VM packages
         */
 
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling zone_bootstrap\n"));
        zone_bootstrap();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling vm_object_bootstrap\n"));
        vm_object_bootstrap();
+
+       vm_kernel_ready = TRUE;
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling vm_map_int\n"));
        vm_map_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling kmem_init\n"));
        kmem_init(start, end);
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling pmap_init\n"));
        pmap_init();
        
-       if (PE_parse_boot_arg("zsize", &zsize))
-               zsize = zsize * 1024 * 1024;
+       zlog_ready = TRUE;
+
+       if (PE_parse_boot_argn("zsize", &zsizearg, sizeof (zsizearg)))
+               zsize = zsizearg * 1024ULL * 1024ULL;
        else {
                zsize = sane_size >> 2;                         /* Get target zone size as 1/4 of physical memory */
        }
 
-       if(zsize < ZONE_MAP_MIN) zsize = ZONE_MAP_MIN;  /* Clamp to min */
-       if(zsize > ZONE_MAP_MAX) zsize = ZONE_MAP_MAX;  /* Clamp to max */
-       zone_init(zsize);                                               /* Allocate address space for zones */
+       if (zsize < ZONE_MAP_MIN)
+               zsize = ZONE_MAP_MIN;   /* Clamp to min */
+       if (zsize > sane_size >> 1)
+               zsize = sane_size >> 1; /* Clamp to half of RAM max */
+#if !__LP64__
+       if (zsize > ZONE_MAP_MAX)
+               zsize = ZONE_MAP_MAX;   /* Clamp to 1.5GB max for K32 */
+#endif /* !__LP64__ */
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling kext_alloc_init\n"));
+       kext_alloc_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling zone_init\n"));
+       assert((vm_size_t) zsize == zsize);
+       zone_init((vm_size_t) zsize);                                           /* Allocate address space for zones */
        
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling kalloc_init\n"));
        kalloc_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling vm_fault_init\n"));
        vm_fault_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling vm_page_module_init\n"));
        vm_page_module_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling memory_manager_default_init\n"));
        memory_manager_default_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling meory_object_control_bootstrap\n"));
        memory_object_control_bootstrap();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: calling device_pager_bootstrap\n"));
        device_pager_bootstrap();
+
+       vm_paging_map_init();
+
+       vm_mem_bootstrap_kprintf(("vm_mem_bootstrap: done\n"));
 }
 
 void