xnu-344.tar.gz

[apple/xnu.git] / iokit / Kernel / IOLib.c

diff --git a/iokit/Kernel/IOLib.c b/iokit/Kernel/IOLib.c
index 2721732a0f02c38dc80fc7b6486ad31a1244ca81..4eb08077e34ad4a574680771a89e147bad81b2ef 100644 (file)
--- a/iokit/Kernel/IOLib.c
+++ b/iokit/Kernel/IOLib.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_LICENSE_HEADER_START@
  * 


@@ -20,8 +20,6 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 /*
  * @APPLE_LICENSE_HEADER_END@
  */
 /*

- * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
- *

  * HISTORY
  *
  * 17-Apr-91   Portions from libIO.m, Doug Mitchell at NeXT.
  * HISTORY
  *
  * 17-Apr-91   Portions from libIO.m, Doug Mitchell at NeXT.


@@ -42,6 +40,19 @@
 
 mach_timespec_t IOZeroTvalspec = { 0, 0 };
 
 
 mach_timespec_t IOZeroTvalspec = { 0, 0 };
 

+
+/*
+ * Global variables for use by iLogger
+ * These symbols are for use only by Apple diagnostic code.
+ * Binary compatibility is not guaranteed for kexts that reference these symbols.
+ */
+
+void *_giDebugLogInternal      = NULL;
+void *_giDebugLogDataInternal  = NULL;
+void *_giDebugReserved1                = NULL;
+void *_giDebugReserved2                = NULL;
+
+

 /*
  * Static variables for this module.
  */
 /*
  * Static variables for this module.
  */


@@ -186,16 +197,23 @@ void * IOMallocAligned(vm_size_t size, vm_size_t alignment)
     if (adjustedSize >= page_size) {
 
         kr = kernel_memory_allocate(kernel_map, &address,
     if (adjustedSize >= page_size) {
 
         kr = kernel_memory_allocate(kernel_map, &address,

-                                       size, alignMask, KMA_KOBJECT);
-       if (KERN_SUCCESS != kr) {
-            IOLog("Failed %08x, %08x\n", size, alignment);
+                                       size, alignMask, 0);
+       if (KERN_SUCCESS != kr)

            address = 0;
            address = 0;

-       }

 
     } else {
 
        adjustedSize += alignMask;
 
     } else {
 
        adjustedSize += alignMask;

-        allocationAddress = (vm_address_t) kalloc(adjustedSize);
+
+       if (adjustedSize >= page_size) {
+
+           kr = kernel_memory_allocate(kernel_map, &allocationAddress,
+                                           adjustedSize, 0, 0);
+           if (KERN_SUCCESS != kr)
+               allocationAddress = 0;
+
+       } else
+           allocationAddress = (vm_address_t) kalloc(adjustedSize);

 
         if (allocationAddress) {
             address = (allocationAddress + alignMask
 
         if (allocationAddress) {
             address = (allocationAddress + alignMask


@@ -241,7 +259,10 @@ void IOFreeAligned(void * address, vm_size_t size)
         allocationAddress = *((vm_address_t *)( (vm_address_t) address
                                - sizeof(vm_address_t) ));
 
         allocationAddress = *((vm_address_t *)( (vm_address_t) address
                                - sizeof(vm_address_t) ));
 

-        kfree((vm_offset_t) allocationAddress, adjustedSize);
+       if (adjustedSize >= page_size)
+           kmem_free( kernel_map, (vm_address_t) allocationAddress, adjustedSize);
+       else
+           kfree((vm_offset_t) allocationAddress, adjustedSize);

     }
 
 #if IOALLOCDEBUG
     }
 
 #if IOALLOCDEBUG


@@ -271,15 +292,15 @@ void * IOMallocContiguous(vm_size_t size, vm_size_t alignment,
     if (adjustedSize >= page_size) {
 
         kr = kmem_alloc_contig(kernel_map, &address, size,
     if (adjustedSize >= page_size) {
 
         kr = kmem_alloc_contig(kernel_map, &address, size,

-                               alignMask, KMA_KOBJECT);
+                               alignMask, 0);

        if (KERN_SUCCESS != kr)
            address = 0;
 
     } else {
 
        adjustedSize += alignMask;
        if (KERN_SUCCESS != kr)
            address = 0;
 
     } else {
 
        adjustedSize += alignMask;

-        allocationAddress = (vm_address_t)
-                               kalloc(adjustedSize);
+        allocationAddress = (vm_address_t) kalloc(adjustedSize);
+

         if (allocationAddress) {
 
             address = (allocationAddress + alignMask
         if (allocationAddress) {
 
             address = (allocationAddress + alignMask


@@ -545,12 +566,13 @@ SInt32 OSKernelStackRemaining( void )
 
 void IOSleep(unsigned milliseconds)
 {
 
 void IOSleep(unsigned milliseconds)
 {

-       int wait_result;
+    wait_result_t wait_result;
+
+    wait_result = assert_wait_timeout(milliseconds, THREAD_UNINT);
+    assert(wait_result == THREAD_WAITING);

 
 

-       assert_wait_timeout(milliseconds, THREAD_INTERRUPTIBLE);
-       wait_result = thread_block((void (*)(void))0);
-       if (wait_result != THREAD_TIMED_OUT)
-               thread_cancel_timer();
+    wait_result = thread_block(THREAD_CONTINUE_NULL);
+    assert(wait_result == THREAD_TIMED_OUT);

 }
 
 /*
 }
 
 /*