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
  39 int32_t gPESerialBaud = -1;
  40
  41 void pe_init_debug(void)
  42 {
  43   if (!PE_parse_boot_argn("debug", &DEBUGFlag, sizeof (DEBUGFlag)))
  44     DEBUGFlag = 0;
  45 }
  46
  47 void PE_enter_debugger(const char *cause)
  48 {
  49   if (DEBUGFlag & DB_NMI)
  50     Debugger(cause);
  51 }
  52
  53 /* extern references */
  54 extern void vcattach(void);
  55
  56 /* Globals */
  57 void (*PE_putc)(char c);
  58
  59 void PE_init_printf(boolean_t vm_initialized)
  60 {
  61   if (!vm_initialized) {
  62     PE_putc = cnputc;
  63   } else {
  64     vcattach();
  65   }
  66 }
  67
  68 uint32_t
  69 PE_get_random_seed(unsigned char *dst_random_seed, uint32_t request_size)
  70 {
  71         DTEntry         entryP;
  72         uint32_t        size = 0;
  73         void            *dt_random_seed;
  74
  75         if ((DTLookupEntry(NULL, "/chosen", &entryP) == kSuccess)
  76             && (DTGetProperty(entryP, "random-seed",
  77                                 (void **)&dt_random_seed, &size) == kSuccess)) {
  78                 unsigned char *src_random_seed;
  79                 unsigned int i;
  80                 unsigned int null_count = 0;
  81
  82                 src_random_seed = (unsigned char *)dt_random_seed;
  83
  84                 if (size > request_size) size = request_size;
  85
  86                 /*
  87                  * Copy from the device tree into the destination buffer,
  88                  * count the number of null bytes and null out the device tree.
  89                  */
  90                 for (i=0 ; i< size; i++, src_random_seed++, dst_random_seed++) {
  91                         *dst_random_seed = *src_random_seed;
  92                         null_count += *src_random_seed == (unsigned char)0;
  93                         *src_random_seed = (unsigned char)0;
  94                 }
  95                 if (null_count == size)
  96                         /* All nulls is no seed - return 0 */
  97                         size = 0;
  98         }
  99
 100         return(size);
 101 }
 102
 103 unsigned char appleClut8[ 256 * 3 ] = {
 104 // 00
 105         0xFF,0xFF,0xFF, 0xFF,0xFF,0xCC, 0xFF,0xFF,0x99, 0xFF,0xFF,0x66,
 106         0xFF,0xFF,0x33, 0xFF,0xFF,0x00, 0xFF,0xCC,0xFF, 0xFF,0xCC,0xCC,
 107         0xFF,0xCC,0x99, 0xFF,0xCC,0x66, 0xFF,0xCC,0x33, 0xFF,0xCC,0x00,
 108         0xFF,0x99,0xFF, 0xFF,0x99,0xCC, 0xFF,0x99,0x99, 0xFF,0x99,0x66,
 109 // 10
 110         0xFF,0x99,0x33, 0xFF,0x99,0x00, 0xFF,0x66,0xFF, 0xFF,0x66,0xCC,
 111         0xFF,0x66,0x99, 0xFF,0x66,0x66, 0xFF,0x66,0x33, 0xFF,0x66,0x00,
 112         0xFF,0x33,0xFF, 0xFF,0x33,0xCC, 0xFF,0x33,0x99, 0xFF,0x33,0x66,
 113         0xFF,0x33,0x33, 0xFF,0x33,0x00, 0xFF,0x00,0xFF, 0xFF,0x00,0xCC,
 114 // 20
 115         0xFF,0x00,0x99, 0xFF,0x00,0x66, 0xFF,0x00,0x33, 0xFF,0x00,0x00,
 116         0xCC,0xFF,0xFF, 0xCC,0xFF,0xCC, 0xCC,0xFF,0x99, 0xCC,0xFF,0x66,
 117         0xCC,0xFF,0x33, 0xCC,0xFF,0x00, 0xCC,0xCC,0xFF, 0xCC,0xCC,0xCC,
 118         0xCC,0xCC,0x99, 0xCC,0xCC,0x66, 0xCC,0xCC,0x33, 0xCC,0xCC,0x00,
 119 // 30
 120         0xCC,0x99,0xFF, 0xCC,0x99,0xCC, 0xCC,0x99,0x99, 0xCC,0x99,0x66,
 121         0xCC,0x99,0x33, 0xCC,0x99,0x00, 0xCC,0x66,0xFF, 0xCC,0x66,0xCC,
 122         0xCC,0x66,0x99, 0xCC,0x66,0x66, 0xCC,0x66,0x33, 0xCC,0x66,0x00,
 123         0xCC,0x33,0xFF, 0xCC,0x33,0xCC, 0xCC,0x33,0x99, 0xCC,0x33,0x66,
 124 // 40
 125         0xCC,0x33,0x33, 0xCC,0x33,0x00, 0xCC,0x00,0xFF, 0xCC,0x00,0xCC,
 126         0xCC,0x00,0x99, 0xCC,0x00,0x66, 0xCC,0x00,0x33, 0xCC,0x00,0x00,
 127         0x99,0xFF,0xFF, 0x99,0xFF,0xCC, 0x99,0xFF,0x99, 0x99,0xFF,0x66,
 128         0x99,0xFF,0x33, 0x99,0xFF,0x00, 0x99,0xCC,0xFF, 0x99,0xCC,0xCC,
 129 // 50
 130         0x99,0xCC,0x99, 0x99,0xCC,0x66, 0x99,0xCC,0x33, 0x99,0xCC,0x00,
 131         0x99,0x99,0xFF, 0x99,0x99,0xCC, 0x99,0x99,0x99, 0x99,0x99,0x66,
 132         0x99,0x99,0x33, 0x99,0x99,0x00, 0x99,0x66,0xFF, 0x99,0x66,0xCC,
 133         0x99,0x66,0x99, 0x99,0x66,0x66, 0x99,0x66,0x33, 0x99,0x66,0x00,
 134 // 60
 135         0x99,0x33,0xFF, 0x99,0x33,0xCC, 0x99,0x33,0x99, 0x99,0x33,0x66,
 136         0x99,0x33,0x33, 0x99,0x33,0x00, 0x99,0x00,0xFF, 0x99,0x00,0xCC,
 137         0x99,0x00,0x99, 0x99,0x00,0x66, 0x99,0x00,0x33, 0x99,0x00,0x00,
 138         0x66,0xFF,0xFF, 0x66,0xFF,0xCC, 0x66,0xFF,0x99, 0x66,0xFF,0x66,
 139 // 70
 140         0x66,0xFF,0x33, 0x66,0xFF,0x00, 0x66,0xCC,0xFF, 0x66,0xCC,0xCC,
 141         0x66,0xCC,0x99, 0x66,0xCC,0x66, 0x66,0xCC,0x33, 0x66,0xCC,0x00,
 142         0x66,0x99,0xFF, 0x66,0x99,0xCC, 0x66,0x99,0x99, 0x66,0x99,0x66,
 143         0x66,0x99,0x33, 0x66,0x99,0x00, 0x66,0x66,0xFF, 0x66,0x66,0xCC,
 144 // 80
 145         0x66,0x66,0x99, 0x66,0x66,0x66, 0x66,0x66,0x33, 0x66,0x66,0x00,
 146         0x66,0x33,0xFF, 0x66,0x33,0xCC, 0x66,0x33,0x99, 0x66,0x33,0x66,
 147         0x66,0x33,0x33, 0x66,0x33,0x00, 0x66,0x00,0xFF, 0x66,0x00,0xCC,
 148         0x66,0x00,0x99, 0x66,0x00,0x66, 0x66,0x00,0x33, 0x66,0x00,0x00,
 149 // 90
 150         0x33,0xFF,0xFF, 0x33,0xFF,0xCC, 0x33,0xFF,0x99, 0x33,0xFF,0x66,
 151         0x33,0xFF,0x33, 0x33,0xFF,0x00, 0x33,0xCC,0xFF, 0x33,0xCC,0xCC,
 152         0x33,0xCC,0x99, 0x33,0xCC,0x66, 0x33,0xCC,0x33, 0x33,0xCC,0x00,
 153         0x33,0x99,0xFF, 0x33,0x99,0xCC, 0x33,0x99,0x99, 0x33,0x99,0x66,
 154 // a0
 155         0x33,0x99,0x33, 0x33,0x99,0x00, 0x33,0x66,0xFF, 0x33,0x66,0xCC,
 156         0x33,0x66,0x99, 0x33,0x66,0x66, 0x33,0x66,0x33, 0x33,0x66,0x00,
 157         0x33,0x33,0xFF, 0x33,0x33,0xCC, 0x33,0x33,0x99, 0x33,0x33,0x66,
 158         0x33,0x33,0x33, 0x33,0x33,0x00, 0x33,0x00,0xFF, 0x33,0x00,0xCC,
 159 // b0
 160         0x33,0x00,0x99, 0x33,0x00,0x66, 0x33,0x00,0x33, 0x33,0x00,0x00,
 161         0x00,0xFF,0xFF, 0x00,0xFF,0xCC, 0x00,0xFF,0x99, 0x00,0xFF,0x66,
 162         0x00,0xFF,0x33, 0x00,0xFF,0x00, 0x00,0xCC,0xFF, 0x00,0xCC,0xCC,
 163         0x00,0xCC,0x99, 0x00,0xCC,0x66, 0x00,0xCC,0x33, 0x00,0xCC,0x00,
 164 // c0
 165         0x00,0x99,0xFF, 0x00,0x99,0xCC, 0x00,0x99,0x99, 0x00,0x99,0x66,
 166         0x00,0x99,0x33, 0x00,0x99,0x00, 0x00,0x66,0xFF, 0x00,0x66,0xCC,
 167         0x00,0x66,0x99, 0x00,0x66,0x66, 0x00,0x66,0x33, 0x00,0x66,0x00,
 168         0x00,0x33,0xFF, 0x00,0x33,0xCC, 0x00,0x33,0x99, 0x00,0x33,0x66,
 169 // d0
 170         0x00,0x33,0x33, 0x00,0x33,0x00, 0x00,0x00,0xFF, 0x00,0x00,0xCC,
 171         0x00,0x00,0x99, 0x00,0x00,0x66, 0x00,0x00,0x33, 0xEE,0x00,0x00,
 172         0xDD,0x00,0x00, 0xBB,0x00,0x00, 0xAA,0x00,0x00, 0x88,0x00,0x00,
 173         0x77,0x00,0x00, 0x55,0x00,0x00, 0x44,0x00,0x00, 0x22,0x00,0x00,
 174 // e0
 175         0x11,0x00,0x00, 0x00,0xEE,0x00, 0x00,0xDD,0x00, 0x00,0xBB,0x00,
 176         0x00,0xAA,0x00, 0x00,0x88,0x00, 0x00,0x77,0x00, 0x00,0x55,0x00,
 177         0x00,0x44,0x00, 0x00,0x22,0x00, 0x00,0x11,0x00, 0x00,0x00,0xEE,
 178         0x00,0x00,0xDD, 0x00,0x00,0xBB, 0x00,0x00,0xAA, 0x00,0x00,0x88,
 179 // f0
 180         0x00,0x00,0x77, 0x00,0x00,0x55, 0x00,0x00,0x44, 0x00,0x00,0x22,
 181         0x00,0x00,0x11, 0xEE,0xEE,0xEE, 0xDD,0xDD,0xDD, 0xBB,0xBB,0xBB,
 182         0xAA,0xAA,0xAA, 0x88,0x88,0x88, 0x77,0x77,0x77, 0x55,0x55,0x55,
 183         0x44,0x44,0x44, 0x22,0x22,0x22, 0x11,0x11,0x11, 0x00,0x00,0x00
 184 };
 185