xnu-3789.1.32.tar.gz

[apple/xnu.git] / pexpert / gen / pe_gen.c

diff --git a/pexpert/gen/pe_gen.c b/pexpert/gen/pe_gen.c
index bed890a89d9d2958fd3d8ce84ef566caeb79471b..60664a6a0e9a7e8c5e0a68c2fc6804d9a99056e5 100644 (file)
--- a/pexpert/gen/pe_gen.c
+++ b/pexpert/gen/pe_gen.c
@@ -1,53 +1,103 @@
 /*
 /*

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

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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. 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

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * @OSF_FREE_COPYRIGHT@
  */
 
 #include <pexpert/pexpert.h>
  */
 /*
  * @OSF_FREE_COPYRIGHT@
  */
 
 #include <pexpert/pexpert.h>

+#include <pexpert/protos.h>
+#include <pexpert/device_tree.h>

 #include <kern/debug.h>
 
 #include <kern/debug.h>
 

+

 static int DEBUGFlag;
 
 static int DEBUGFlag;
 

+static uint32_t gPEKernelConfigurationBitmask;
+

 int32_t gPESerialBaud = -1;
 
 void pe_init_debug(void)
 {
 int32_t gPESerialBaud = -1;
 
 void pe_init_debug(void)
 {

-  if (!PE_parse_boot_arg("debug", &DEBUGFlag))
-    DEBUGFlag = 0;
+       boolean_t boot_arg_value;
+
+       if (!PE_parse_boot_argn("debug", &DEBUGFlag, sizeof (DEBUGFlag)))
+               DEBUGFlag = 0;
+
+       gPEKernelConfigurationBitmask = 0;
+
+       if (!PE_parse_boot_argn("assertions", &boot_arg_value, sizeof(boot_arg_value))) {
+#if MACH_ASSERT
+               boot_arg_value = TRUE;
+#else
+               boot_arg_value = FALSE;
+#endif
+       }
+       gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasAssertions : 0);
+
+       if (!PE_parse_boot_argn("statistics", &boot_arg_value, sizeof(boot_arg_value))) {
+#if DEVELOPMENT || DEBUG
+               boot_arg_value = TRUE;
+#else
+               boot_arg_value = FALSE;
+#endif
+       }
+       gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasStatistics : 0);
+
+#if SECURE_KERNEL
+       boot_arg_value = FALSE;
+#else
+       if (!PE_i_can_has_debugger(NULL)) {
+               boot_arg_value = FALSE;
+       } else if (!PE_parse_boot_argn("diagnostic_api", &boot_arg_value, sizeof(boot_arg_value)))  {
+               boot_arg_value = TRUE;
+       }
+#endif
+       gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasDiagnosticAPI : 0);
+

 }
 
 }
 

-void PE_enter_debugger(char *cause)
+void PE_enter_debugger(const char *cause)

 {
   if (DEBUGFlag & DB_NMI)
     Debugger(cause);
 }
 
 {
   if (DEBUGFlag & DB_NMI)
     Debugger(cause);
 }
 

+uint32_t
+PE_i_can_has_kernel_configuration(void)
+{
+       return gPEKernelConfigurationBitmask;
+}
+

 /* extern references */
 /* extern references */

-extern void cnputc(char c);

 extern void vcattach(void);
 
 /* Globals */
 extern void vcattach(void);
 
 /* Globals */

-void (*PE_putc)(char c) = 0;
+void (*PE_putc)(char c);

 
 void PE_init_printf(boolean_t vm_initialized)
 {
 
 void PE_init_printf(boolean_t vm_initialized)
 {


@@ -58,6 +108,41 @@ void PE_init_printf(boolean_t vm_initialized)
   }
 }
 
   }
 }
 

+uint32_t
+PE_get_random_seed(unsigned char *dst_random_seed, uint32_t request_size)
+{
+       DTEntry         entryP;
+       uint32_t        size = 0;
+       void            *dt_random_seed;
+
+        if ((DTLookupEntry(NULL, "/chosen", &entryP) == kSuccess)
+           && (DTGetProperty(entryP, "random-seed",
+                               (void **)&dt_random_seed, &size) == kSuccess)) {
+               unsigned char *src_random_seed;
+               unsigned int i;
+               unsigned int null_count = 0;
+
+               src_random_seed = (unsigned char *)dt_random_seed;
+
+               if (size > request_size) size = request_size;
+
+               /*
+                * Copy from the device tree into the destination buffer,
+                * count the number of null bytes and null out the device tree.
+                */
+               for (i=0 ; i< size; i++, src_random_seed++, dst_random_seed++) {
+                       *dst_random_seed = *src_random_seed;
+                       null_count += *src_random_seed == (unsigned char)0;
+                       *src_random_seed = (unsigned char)0;
+               }
+               if (null_count == size)
+                       /* All nulls is no seed - return 0 */
+                       size = 0;
+       }
+
+       return(size);
+}
+

 unsigned char appleClut8[ 256 * 3 ] = {
 // 00
        0xFF,0xFF,0xFF, 0xFF,0xFF,0xCC, 0xFF,0xFF,0x99, 0xFF,0xFF,0x66,
 unsigned char appleClut8[ 256 * 3 ] = {
 // 00
        0xFF,0xFF,0xFF, 0xFF,0xFF,0xCC, 0xFF,0xFF,0x99, 0xFF,0xFF,0x66,


@@ -140,3 +225,4 @@ unsigned char appleClut8[ 256 * 3 ] = {
        0xAA,0xAA,0xAA, 0x88,0x88,0x88, 0x77,0x77,0x77, 0x55,0x55,0x55,
        0x44,0x44,0x44, 0x22,0x22,0x22, 0x11,0x11,0x11, 0x00,0x00,0x00
 };
        0xAA,0xAA,0xAA, 0x88,0x88,0x88, 0x77,0x77,0x77, 0x55,0x55,0x55,
        0x44,0x44,0x44, 0x22,0x22,0x22, 0x11,0x11,0x11, 0x00,0x00,0x00
 };

+