pexpert/gen/pe_gen.c

   1 /*
   2  * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_FREE_COPYRIGHT@
  30  */
  31
  32 #include <pexpert/pexpert.h>
  33 #include <pexpert/protos.h>
  34 #include <pexpert/device_tree.h>
  35 #include <kern/debug.h>
  36
  37 static int DEBUGFlag;
  38 static uint32_t gPEKernelConfigurationBitmask;
  39
  40 int32_t gPESerialBaud = -1;
  41
  42 void pe_init_debug(void)
  43 {
  44         boolean_t boot_arg_value;
  45
  46         if (!PE_parse_boot_argn("debug", &DEBUGFlag, sizeof (DEBUGFlag)))
  47                 DEBUGFlag = 0;
  48
  49         gPEKernelConfigurationBitmask = 0;
  50
  51         if (!PE_parse_boot_argn("assertions", &boot_arg_value, sizeof(boot_arg_value))) {
  52 #if MACH_ASSERT
  53                 boot_arg_value = TRUE;
  54 #else
  55                 boot_arg_value = FALSE;
  56 #endif
  57         }
  58         gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasAssertions : 0);
  59
  60         if (!PE_parse_boot_argn("statistics", &boot_arg_value, sizeof(boot_arg_value))) {
  61 #if DEVELOPMENT || DEBUG
  62                 boot_arg_value = TRUE;
  63 #else
  64                 boot_arg_value = FALSE;
  65 #endif
  66         }
  67         gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasStatistics : 0);
  68
  69 #if SECURE_KERNEL
  70         boot_arg_value = FALSE;
  71 #else
  72         if (!PE_i_can_has_debugger(NULL)) {
  73                 boot_arg_value = FALSE;
  74         } else if (!PE_parse_boot_argn("diagnostic_api", &boot_arg_value, sizeof(boot_arg_value)))  {
  75                 boot_arg_value = TRUE;
  76         }
  77 #endif
  78         gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasDiagnosticAPI : 0);
  79
  80 }
  81
  82 void PE_enter_debugger(const char *cause)
  83 {
  84   if (DEBUGFlag & DB_NMI)
  85     Debugger(cause);
  86 }
  87
  88 uint32_t
  89 PE_i_can_has_kernel_configuration(void)
  90 {
  91         return gPEKernelConfigurationBitmask;
  92 }
  93
  94 /* extern references */
  95 extern void vcattach(void);
  96
  97 /* Globals */
  98 void (*PE_putc)(char c);
  99
 100 void PE_init_printf(boolean_t vm_initialized)
 101 {
 102   if (!vm_initialized) {
 103     PE_putc = cnputc;
 104   } else {
 105     vcattach();
 106   }
 107 }
 108
 109 uint32_t
 110 PE_get_random_seed(unsigned char *dst_random_seed, uint32_t request_size)
 111 {
 112         DTEntry         entryP;
 113         uint32_t        size = 0;
 114         void            *dt_random_seed;
 115
 116         if ((DTLookupEntry(NULL, "/chosen", &entryP) == kSuccess)
 117             && (DTGetProperty(entryP, "random-seed",
 118                                 (void **)&dt_random_seed, &size) == kSuccess)) {
 119                 unsigned char *src_random_seed;
 120                 unsigned int i;
 121                 unsigned int null_count = 0;
 122
 123                 src_random_seed = (unsigned char *)dt_random_seed;
 124
 125                 if (size > request_size) size = request_size;
 126
 127                 /*
 128                  * Copy from the device tree into the destination buffer,
 129                  * count the number of null bytes and null out the device tree.
 130                  */
 131                 for (i=0 ; i< size; i++, src_random_seed++, dst_random_seed++) {
 132                         *dst_random_seed = *src_random_seed;
 133                         null_count += *src_random_seed == (unsigned char)0;
 134                         *src_random_seed = (unsigned char)0;
 135                 }
 136                 if (null_count == size)
 137                         /* All nulls is no seed - return 0 */
 138                         size = 0;
 139         }
 140
 141         return(size);
 142 }
 143
 144 unsigned char appleClut8[ 256 * 3 ] = {
 145 // 00
 146         0xFF,0xFF,0xFF, 0xFF,0xFF,0xCC, 0xFF,0xFF,0x99, 0xFF,0xFF,0x66,
 147         0xFF,0xFF,0x33, 0xFF,0xFF,0x00, 0xFF,0xCC,0xFF, 0xFF,0xCC,0xCC,
 148         0xFF,0xCC,0x99, 0xFF,0xCC,0x66, 0xFF,0xCC,0x33, 0xFF,0xCC,0x00,
 149         0xFF,0x99,0xFF, 0xFF,0x99,0xCC, 0xFF,0x99,0x99, 0xFF,0x99,0x66,
 150 // 10
 151         0xFF,0x99,0x33, 0xFF,0x99,0x00, 0xFF,0x66,0xFF, 0xFF,0x66,0xCC,
 152         0xFF,0x66,0x99, 0xFF,0x66,0x66, 0xFF,0x66,0x33, 0xFF,0x66,0x00,
 153         0xFF,0x33,0xFF, 0xFF,0x33,0xCC, 0xFF,0x33,0x99, 0xFF,0x33,0x66,
 154         0xFF,0x33,0x33, 0xFF,0x33,0x00, 0xFF,0x00,0xFF, 0xFF,0x00,0xCC,
 155 // 20
 156         0xFF,0x00,0x99, 0xFF,0x00,0x66, 0xFF,0x00,0x33, 0xFF,0x00,0x00,
 157         0xCC,0xFF,0xFF, 0xCC,0xFF,0xCC, 0xCC,0xFF,0x99, 0xCC,0xFF,0x66,
 158         0xCC,0xFF,0x33, 0xCC,0xFF,0x00, 0xCC,0xCC,0xFF, 0xCC,0xCC,0xCC,
 159         0xCC,0xCC,0x99, 0xCC,0xCC,0x66, 0xCC,0xCC,0x33, 0xCC,0xCC,0x00,
 160 // 30
 161         0xCC,0x99,0xFF, 0xCC,0x99,0xCC, 0xCC,0x99,0x99, 0xCC,0x99,0x66,
 162         0xCC,0x99,0x33, 0xCC,0x99,0x00, 0xCC,0x66,0xFF, 0xCC,0x66,0xCC,
 163         0xCC,0x66,0x99, 0xCC,0x66,0x66, 0xCC,0x66,0x33, 0xCC,0x66,0x00,
 164         0xCC,0x33,0xFF, 0xCC,0x33,0xCC, 0xCC,0x33,0x99, 0xCC,0x33,0x66,
 165 // 40
 166         0xCC,0x33,0x33, 0xCC,0x33,0x00, 0xCC,0x00,0xFF, 0xCC,0x00,0xCC,
 167         0xCC,0x00,0x99, 0xCC,0x00,0x66, 0xCC,0x00,0x33, 0xCC,0x00,0x00,
 168         0x99,0xFF,0xFF, 0x99,0xFF,0xCC, 0x99,0xFF,0x99, 0x99,0xFF,0x66,
 169         0x99,0xFF,0x33, 0x99,0xFF,0x00, 0x99,0xCC,0xFF, 0x99,0xCC,0xCC,
 170 // 50
 171         0x99,0xCC,0x99, 0x99,0xCC,0x66, 0x99,0xCC,0x33, 0x99,0xCC,0x00,
 172         0x99,0x99,0xFF, 0x99,0x99,0xCC, 0x99,0x99,0x99, 0x99,0x99,0x66,
 173         0x99,0x99,0x33, 0x99,0x99,0x00, 0x99,0x66,0xFF, 0x99,0x66,0xCC,
 174         0x99,0x66,0x99, 0x99,0x66,0x66, 0x99,0x66,0x33, 0x99,0x66,0x00,
 175 // 60
 176         0x99,0x33,0xFF, 0x99,0x33,0xCC, 0x99,0x33,0x99, 0x99,0x33,0x66,
 177         0x99,0x33,0x33, 0x99,0x33,0x00, 0x99,0x00,0xFF, 0x99,0x00,0xCC,
 178         0x99,0x00,0x99, 0x99,0x00,0x66, 0x99,0x00,0x33, 0x99,0x00,0x00,
 179         0x66,0xFF,0xFF, 0x66,0xFF,0xCC, 0x66,0xFF,0x99, 0x66,0xFF,0x66,
 180 // 70
 181         0x66,0xFF,0x33, 0x66,0xFF,0x00, 0x66,0xCC,0xFF, 0x66,0xCC,0xCC,
 182         0x66,0xCC,0x99, 0x66,0xCC,0x66, 0x66,0xCC,0x33, 0x66,0xCC,0x00,
 183         0x66,0x99,0xFF, 0x66,0x99,0xCC, 0x66,0x99,0x99, 0x66,0x99,0x66,
 184         0x66,0x99,0x33, 0x66,0x99,0x00, 0x66,0x66,0xFF, 0x66,0x66,0xCC,
 185 // 80
 186         0x66,0x66,0x99, 0x66,0x66,0x66, 0x66,0x66,0x33, 0x66,0x66,0x00,
 187         0x66,0x33,0xFF, 0x66,0x33,0xCC, 0x66,0x33,0x99, 0x66,0x33,0x66,
 188         0x66,0x33,0x33, 0x66,0x33,0x00, 0x66,0x00,0xFF, 0x66,0x00,0xCC,
 189         0x66,0x00,0x99, 0x66,0x00,0x66, 0x66,0x00,0x33, 0x66,0x00,0x00,
 190 // 90
 191         0x33,0xFF,0xFF, 0x33,0xFF,0xCC, 0x33,0xFF,0x99, 0x33,0xFF,0x66,
 192         0x33,0xFF,0x33, 0x33,0xFF,0x00, 0x33,0xCC,0xFF, 0x33,0xCC,0xCC,
 193         0x33,0xCC,0x99, 0x33,0xCC,0x66, 0x33,0xCC,0x33, 0x33,0xCC,0x00,
 194         0x33,0x99,0xFF, 0x33,0x99,0xCC, 0x33,0x99,0x99, 0x33,0x99,0x66,
 195 // a0
 196         0x33,0x99,0x33, 0x33,0x99,0x00, 0x33,0x66,0xFF, 0x33,0x66,0xCC,
 197         0x33,0x66,0x99, 0x33,0x66,0x66, 0x33,0x66,0x33, 0x33,0x66,0x00,
 198         0x33,0x33,0xFF, 0x33,0x33,0xCC, 0x33,0x33,0x99, 0x33,0x33,0x66,
 199         0x33,0x33,0x33, 0x33,0x33,0x00, 0x33,0x00,0xFF, 0x33,0x00,0xCC,
 200 // b0
 201         0x33,0x00,0x99, 0x33,0x00,0x66, 0x33,0x00,0x33, 0x33,0x00,0x00,
 202         0x00,0xFF,0xFF, 0x00,0xFF,0xCC, 0x00,0xFF,0x99, 0x00,0xFF,0x66,
 203         0x00,0xFF,0x33, 0x00,0xFF,0x00, 0x00,0xCC,0xFF, 0x00,0xCC,0xCC,
 204         0x00,0xCC,0x99, 0x00,0xCC,0x66, 0x00,0xCC,0x33, 0x00,0xCC,0x00,
 205 // c0
 206         0x00,0x99,0xFF, 0x00,0x99,0xCC, 0x00,0x99,0x99, 0x00,0x99,0x66,
 207         0x00,0x99,0x33, 0x00,0x99,0x00, 0x00,0x66,0xFF, 0x00,0x66,0xCC,
 208         0x00,0x66,0x99, 0x00,0x66,0x66, 0x00,0x66,0x33, 0x00,0x66,0x00,
 209         0x00,0x33,0xFF, 0x00,0x33,0xCC, 0x00,0x33,0x99, 0x00,0x33,0x66,
 210 // d0
 211         0x00,0x33,0x33, 0x00,0x33,0x00, 0x00,0x00,0xFF, 0x00,0x00,0xCC,
 212         0x00,0x00,0x99, 0x00,0x00,0x66, 0x00,0x00,0x33, 0xEE,0x00,0x00,
 213         0xDD,0x00,0x00, 0xBB,0x00,0x00, 0xAA,0x00,0x00, 0x88,0x00,0x00,
 214         0x77,0x00,0x00, 0x55,0x00,0x00, 0x44,0x00,0x00, 0x22,0x00,0x00,
 215 // e0
 216         0x11,0x00,0x00, 0x00,0xEE,0x00, 0x00,0xDD,0x00, 0x00,0xBB,0x00,
 217         0x00,0xAA,0x00, 0x00,0x88,0x00, 0x00,0x77,0x00, 0x00,0x55,0x00,
 218         0x00,0x44,0x00, 0x00,0x22,0x00, 0x00,0x11,0x00, 0x00,0x00,0xEE,
 219         0x00,0x00,0xDD, 0x00,0x00,0xBB, 0x00,0x00,0xAA, 0x00,0x00,0x88,
 220 // f0
 221         0x00,0x00,0x77, 0x00,0x00,0x55, 0x00,0x00,0x44, 0x00,0x00,0x22,
 222         0x00,0x00,0x11, 0xEE,0xEE,0xEE, 0xDD,0xDD,0xDD, 0xBB,0xBB,0xBB,
 223         0xAA,0xAA,0xAA, 0x88,0x88,0x88, 0x77,0x77,0x77, 0x55,0x55,0x55,
 224         0x44,0x44,0x44, 0x22,0x22,0x22, 0x11,0x11,0x11, 0x00,0x00,0x00
 225 };
 226