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1c79356b | 1 | /* |
2d21ac55 | 2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. |
1c79356b | 3 | * |
2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
0a7de745 | 5 | * |
2d21ac55 A |
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. | |
0a7de745 | 14 | * |
2d21ac55 A |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
0a7de745 | 17 | * |
2d21ac55 A |
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 | |
8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
2d21ac55 A |
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. | |
0a7de745 | 25 | * |
2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
1c79356b A |
27 | */ |
28 | /* | |
29 | * @OSF_FREE_COPYRIGHT@ | |
30 | */ | |
31 | ||
32 | #include <pexpert/pexpert.h> | |
2d21ac55 | 33 | #include <pexpert/protos.h> |
fe8ab488 | 34 | #include <pexpert/device_tree.h> |
1c79356b A |
35 | #include <kern/debug.h> |
36 | ||
5ba3f43e A |
37 | #if CONFIG_EMBEDDED |
38 | #include <libkern/section_keywords.h> | |
39 | #endif | |
39037602 | 40 | |
1c79356b | 41 | static int DEBUGFlag; |
39037602 | 42 | |
5ba3f43e A |
43 | #if CONFIG_EMBEDDED |
44 | SECURITY_READ_ONLY_LATE(static uint32_t) gPEKernelConfigurationBitmask; | |
45 | #else | |
3e170ce0 | 46 | static uint32_t gPEKernelConfigurationBitmask; |
5ba3f43e | 47 | #endif |
1c79356b | 48 | |
91447636 A |
49 | int32_t gPESerialBaud = -1; |
50 | ||
d9a64523 A |
51 | int debug_cpu_performance_degradation_factor = 1; |
52 | ||
0a7de745 A |
53 | void |
54 | pe_init_debug(void) | |
1c79356b | 55 | { |
3e170ce0 A |
56 | boolean_t boot_arg_value; |
57 | ||
0a7de745 | 58 | if (!PE_parse_boot_argn("debug", &DEBUGFlag, sizeof(DEBUGFlag))) { |
3e170ce0 | 59 | DEBUGFlag = 0; |
0a7de745 | 60 | } |
3e170ce0 A |
61 | |
62 | gPEKernelConfigurationBitmask = 0; | |
63 | ||
64 | if (!PE_parse_boot_argn("assertions", &boot_arg_value, sizeof(boot_arg_value))) { | |
65 | #if MACH_ASSERT | |
66 | boot_arg_value = TRUE; | |
67 | #else | |
68 | boot_arg_value = FALSE; | |
69 | #endif | |
70 | } | |
71 | gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasAssertions : 0); | |
72 | ||
73 | if (!PE_parse_boot_argn("statistics", &boot_arg_value, sizeof(boot_arg_value))) { | |
74 | #if DEVELOPMENT || DEBUG | |
75 | boot_arg_value = TRUE; | |
76 | #else | |
77 | boot_arg_value = FALSE; | |
78 | #endif | |
79 | } | |
80 | gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasStatistics : 0); | |
81 | ||
82 | #if SECURE_KERNEL | |
83 | boot_arg_value = FALSE; | |
84 | #else | |
85 | if (!PE_i_can_has_debugger(NULL)) { | |
86 | boot_arg_value = FALSE; | |
0a7de745 | 87 | } else if (!PE_parse_boot_argn("diagnostic_api", &boot_arg_value, sizeof(boot_arg_value))) { |
3e170ce0 A |
88 | boot_arg_value = TRUE; |
89 | } | |
90 | #endif | |
91 | gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasDiagnosticAPI : 0); | |
92 | ||
d9a64523 A |
93 | |
94 | int factor = 1; | |
0a7de745 | 95 | boolean_t have_bootarg = PE_parse_boot_argn("cpu-factor", &factor, sizeof(factor)); |
d9a64523 A |
96 | if (have_bootarg) { |
97 | debug_cpu_performance_degradation_factor = factor; | |
98 | } else { | |
0a7de745 | 99 | DTEntry root; |
d9a64523 A |
100 | if (DTLookupEntry(NULL, "/", &root) == kSuccess) { |
101 | void *prop = NULL; | |
102 | uint32_t size = 0; | |
103 | if (DTGetProperty(root, "target-is-fpga", &prop, &size) == kSuccess) { | |
104 | debug_cpu_performance_degradation_factor = 10; | |
105 | } | |
106 | } | |
107 | } | |
1c79356b A |
108 | } |
109 | ||
0a7de745 A |
110 | void |
111 | PE_enter_debugger(const char *cause) | |
1c79356b | 112 | { |
0a7de745 A |
113 | if (DEBUGFlag & DB_NMI) { |
114 | Debugger(cause); | |
115 | } | |
1c79356b A |
116 | } |
117 | ||
3e170ce0 A |
118 | uint32_t |
119 | PE_i_can_has_kernel_configuration(void) | |
120 | { | |
121 | return gPEKernelConfigurationBitmask; | |
122 | } | |
123 | ||
1c79356b | 124 | /* extern references */ |
1c79356b A |
125 | extern void vcattach(void); |
126 | ||
127 | /* Globals */ | |
2d21ac55 | 128 | void (*PE_putc)(char c); |
1c79356b | 129 | |
0a7de745 A |
130 | void |
131 | PE_init_printf(boolean_t vm_initialized) | |
1c79356b | 132 | { |
0a7de745 A |
133 | if (!vm_initialized) { |
134 | PE_putc = cnputc; | |
135 | } else { | |
136 | vcattach(); | |
137 | } | |
1c79356b | 138 | } |
0b4e3aa0 | 139 | |
fe8ab488 A |
140 | uint32_t |
141 | PE_get_random_seed(unsigned char *dst_random_seed, uint32_t request_size) | |
142 | { | |
0a7de745 A |
143 | DTEntry entryP; |
144 | uint32_t size = 0; | |
145 | void *dt_random_seed; | |
fe8ab488 | 146 | |
0a7de745 | 147 | if ((DTLookupEntry(NULL, "/chosen", &entryP) == kSuccess) |
fe8ab488 | 148 | && (DTGetProperty(entryP, "random-seed", |
0a7de745 | 149 | (void **)&dt_random_seed, &size) == kSuccess)) { |
fe8ab488 A |
150 | unsigned char *src_random_seed; |
151 | unsigned int i; | |
152 | unsigned int null_count = 0; | |
153 | ||
154 | src_random_seed = (unsigned char *)dt_random_seed; | |
155 | ||
0a7de745 A |
156 | if (size > request_size) { |
157 | size = request_size; | |
158 | } | |
fe8ab488 A |
159 | |
160 | /* | |
161 | * Copy from the device tree into the destination buffer, | |
162 | * count the number of null bytes and null out the device tree. | |
163 | */ | |
0a7de745 | 164 | for (i = 0; i < size; i++, src_random_seed++, dst_random_seed++) { |
fe8ab488 A |
165 | *dst_random_seed = *src_random_seed; |
166 | null_count += *src_random_seed == (unsigned char)0; | |
167 | *src_random_seed = (unsigned char)0; | |
168 | } | |
0a7de745 | 169 | if (null_count == size) { |
fe8ab488 A |
170 | /* All nulls is no seed - return 0 */ |
171 | size = 0; | |
0a7de745 | 172 | } |
fe8ab488 A |
173 | } |
174 | ||
0a7de745 | 175 | return size; |
fe8ab488 A |
176 | } |
177 | ||
0a7de745 | 178 | unsigned char appleClut8[256 * 3] = { |
0b4e3aa0 | 179 | // 00 |
0a7de745 A |
180 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xCC, 0xFF, 0xFF, 0x99, 0xFF, 0xFF, 0x66, |
181 | 0xFF, 0xFF, 0x33, 0xFF, 0xFF, 0x00, 0xFF, 0xCC, 0xFF, 0xFF, 0xCC, 0xCC, | |
182 | 0xFF, 0xCC, 0x99, 0xFF, 0xCC, 0x66, 0xFF, 0xCC, 0x33, 0xFF, 0xCC, 0x00, | |
183 | 0xFF, 0x99, 0xFF, 0xFF, 0x99, 0xCC, 0xFF, 0x99, 0x99, 0xFF, 0x99, 0x66, | |
0b4e3aa0 | 184 | // 10 |
0a7de745 A |
185 | 0xFF, 0x99, 0x33, 0xFF, 0x99, 0x00, 0xFF, 0x66, 0xFF, 0xFF, 0x66, 0xCC, |
186 | 0xFF, 0x66, 0x99, 0xFF, 0x66, 0x66, 0xFF, 0x66, 0x33, 0xFF, 0x66, 0x00, | |
187 | 0xFF, 0x33, 0xFF, 0xFF, 0x33, 0xCC, 0xFF, 0x33, 0x99, 0xFF, 0x33, 0x66, | |
188 | 0xFF, 0x33, 0x33, 0xFF, 0x33, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xCC, | |
0b4e3aa0 | 189 | // 20 |
0a7de745 A |
190 | 0xFF, 0x00, 0x99, 0xFF, 0x00, 0x66, 0xFF, 0x00, 0x33, 0xFF, 0x00, 0x00, |
191 | 0xCC, 0xFF, 0xFF, 0xCC, 0xFF, 0xCC, 0xCC, 0xFF, 0x99, 0xCC, 0xFF, 0x66, | |
192 | 0xCC, 0xFF, 0x33, 0xCC, 0xFF, 0x00, 0xCC, 0xCC, 0xFF, 0xCC, 0xCC, 0xCC, | |
193 | 0xCC, 0xCC, 0x99, 0xCC, 0xCC, 0x66, 0xCC, 0xCC, 0x33, 0xCC, 0xCC, 0x00, | |
0b4e3aa0 | 194 | // 30 |
0a7de745 A |
195 | 0xCC, 0x99, 0xFF, 0xCC, 0x99, 0xCC, 0xCC, 0x99, 0x99, 0xCC, 0x99, 0x66, |
196 | 0xCC, 0x99, 0x33, 0xCC, 0x99, 0x00, 0xCC, 0x66, 0xFF, 0xCC, 0x66, 0xCC, | |
197 | 0xCC, 0x66, 0x99, 0xCC, 0x66, 0x66, 0xCC, 0x66, 0x33, 0xCC, 0x66, 0x00, | |
198 | 0xCC, 0x33, 0xFF, 0xCC, 0x33, 0xCC, 0xCC, 0x33, 0x99, 0xCC, 0x33, 0x66, | |
0b4e3aa0 | 199 | // 40 |
0a7de745 A |
200 | 0xCC, 0x33, 0x33, 0xCC, 0x33, 0x00, 0xCC, 0x00, 0xFF, 0xCC, 0x00, 0xCC, |
201 | 0xCC, 0x00, 0x99, 0xCC, 0x00, 0x66, 0xCC, 0x00, 0x33, 0xCC, 0x00, 0x00, | |
202 | 0x99, 0xFF, 0xFF, 0x99, 0xFF, 0xCC, 0x99, 0xFF, 0x99, 0x99, 0xFF, 0x66, | |
203 | 0x99, 0xFF, 0x33, 0x99, 0xFF, 0x00, 0x99, 0xCC, 0xFF, 0x99, 0xCC, 0xCC, | |
0b4e3aa0 | 204 | // 50 |
0a7de745 A |
205 | 0x99, 0xCC, 0x99, 0x99, 0xCC, 0x66, 0x99, 0xCC, 0x33, 0x99, 0xCC, 0x00, |
206 | 0x99, 0x99, 0xFF, 0x99, 0x99, 0xCC, 0x99, 0x99, 0x99, 0x99, 0x99, 0x66, | |
207 | 0x99, 0x99, 0x33, 0x99, 0x99, 0x00, 0x99, 0x66, 0xFF, 0x99, 0x66, 0xCC, | |
208 | 0x99, 0x66, 0x99, 0x99, 0x66, 0x66, 0x99, 0x66, 0x33, 0x99, 0x66, 0x00, | |
0b4e3aa0 | 209 | // 60 |
0a7de745 A |
210 | 0x99, 0x33, 0xFF, 0x99, 0x33, 0xCC, 0x99, 0x33, 0x99, 0x99, 0x33, 0x66, |
211 | 0x99, 0x33, 0x33, 0x99, 0x33, 0x00, 0x99, 0x00, 0xFF, 0x99, 0x00, 0xCC, | |
212 | 0x99, 0x00, 0x99, 0x99, 0x00, 0x66, 0x99, 0x00, 0x33, 0x99, 0x00, 0x00, | |
213 | 0x66, 0xFF, 0xFF, 0x66, 0xFF, 0xCC, 0x66, 0xFF, 0x99, 0x66, 0xFF, 0x66, | |
0b4e3aa0 | 214 | // 70 |
0a7de745 A |
215 | 0x66, 0xFF, 0x33, 0x66, 0xFF, 0x00, 0x66, 0xCC, 0xFF, 0x66, 0xCC, 0xCC, |
216 | 0x66, 0xCC, 0x99, 0x66, 0xCC, 0x66, 0x66, 0xCC, 0x33, 0x66, 0xCC, 0x00, | |
217 | 0x66, 0x99, 0xFF, 0x66, 0x99, 0xCC, 0x66, 0x99, 0x99, 0x66, 0x99, 0x66, | |
218 | 0x66, 0x99, 0x33, 0x66, 0x99, 0x00, 0x66, 0x66, 0xFF, 0x66, 0x66, 0xCC, | |
0b4e3aa0 | 219 | // 80 |
0a7de745 A |
220 | 0x66, 0x66, 0x99, 0x66, 0x66, 0x66, 0x66, 0x66, 0x33, 0x66, 0x66, 0x00, |
221 | 0x66, 0x33, 0xFF, 0x66, 0x33, 0xCC, 0x66, 0x33, 0x99, 0x66, 0x33, 0x66, | |
222 | 0x66, 0x33, 0x33, 0x66, 0x33, 0x00, 0x66, 0x00, 0xFF, 0x66, 0x00, 0xCC, | |
223 | 0x66, 0x00, 0x99, 0x66, 0x00, 0x66, 0x66, 0x00, 0x33, 0x66, 0x00, 0x00, | |
0b4e3aa0 | 224 | // 90 |
0a7de745 A |
225 | 0x33, 0xFF, 0xFF, 0x33, 0xFF, 0xCC, 0x33, 0xFF, 0x99, 0x33, 0xFF, 0x66, |
226 | 0x33, 0xFF, 0x33, 0x33, 0xFF, 0x00, 0x33, 0xCC, 0xFF, 0x33, 0xCC, 0xCC, | |
227 | 0x33, 0xCC, 0x99, 0x33, 0xCC, 0x66, 0x33, 0xCC, 0x33, 0x33, 0xCC, 0x00, | |
228 | 0x33, 0x99, 0xFF, 0x33, 0x99, 0xCC, 0x33, 0x99, 0x99, 0x33, 0x99, 0x66, | |
0b4e3aa0 | 229 | // a0 |
0a7de745 A |
230 | 0x33, 0x99, 0x33, 0x33, 0x99, 0x00, 0x33, 0x66, 0xFF, 0x33, 0x66, 0xCC, |
231 | 0x33, 0x66, 0x99, 0x33, 0x66, 0x66, 0x33, 0x66, 0x33, 0x33, 0x66, 0x00, | |
232 | 0x33, 0x33, 0xFF, 0x33, 0x33, 0xCC, 0x33, 0x33, 0x99, 0x33, 0x33, 0x66, | |
233 | 0x33, 0x33, 0x33, 0x33, 0x33, 0x00, 0x33, 0x00, 0xFF, 0x33, 0x00, 0xCC, | |
0b4e3aa0 | 234 | // b0 |
0a7de745 A |
235 | 0x33, 0x00, 0x99, 0x33, 0x00, 0x66, 0x33, 0x00, 0x33, 0x33, 0x00, 0x00, |
236 | 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xCC, 0x00, 0xFF, 0x99, 0x00, 0xFF, 0x66, | |
237 | 0x00, 0xFF, 0x33, 0x00, 0xFF, 0x00, 0x00, 0xCC, 0xFF, 0x00, 0xCC, 0xCC, | |
238 | 0x00, 0xCC, 0x99, 0x00, 0xCC, 0x66, 0x00, 0xCC, 0x33, 0x00, 0xCC, 0x00, | |
0b4e3aa0 | 239 | // c0 |
0a7de745 A |
240 | 0x00, 0x99, 0xFF, 0x00, 0x99, 0xCC, 0x00, 0x99, 0x99, 0x00, 0x99, 0x66, |
241 | 0x00, 0x99, 0x33, 0x00, 0x99, 0x00, 0x00, 0x66, 0xFF, 0x00, 0x66, 0xCC, | |
242 | 0x00, 0x66, 0x99, 0x00, 0x66, 0x66, 0x00, 0x66, 0x33, 0x00, 0x66, 0x00, | |
243 | 0x00, 0x33, 0xFF, 0x00, 0x33, 0xCC, 0x00, 0x33, 0x99, 0x00, 0x33, 0x66, | |
0b4e3aa0 | 244 | // d0 |
0a7de745 A |
245 | 0x00, 0x33, 0x33, 0x00, 0x33, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xCC, |
246 | 0x00, 0x00, 0x99, 0x00, 0x00, 0x66, 0x00, 0x00, 0x33, 0xEE, 0x00, 0x00, | |
247 | 0xDD, 0x00, 0x00, 0xBB, 0x00, 0x00, 0xAA, 0x00, 0x00, 0x88, 0x00, 0x00, | |
248 | 0x77, 0x00, 0x00, 0x55, 0x00, 0x00, 0x44, 0x00, 0x00, 0x22, 0x00, 0x00, | |
0b4e3aa0 | 249 | // e0 |
0a7de745 A |
250 | 0x11, 0x00, 0x00, 0x00, 0xEE, 0x00, 0x00, 0xDD, 0x00, 0x00, 0xBB, 0x00, |
251 | 0x00, 0xAA, 0x00, 0x00, 0x88, 0x00, 0x00, 0x77, 0x00, 0x00, 0x55, 0x00, | |
252 | 0x00, 0x44, 0x00, 0x00, 0x22, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0xEE, | |
253 | 0x00, 0x00, 0xDD, 0x00, 0x00, 0xBB, 0x00, 0x00, 0xAA, 0x00, 0x00, 0x88, | |
0b4e3aa0 | 254 | // f0 |
0a7de745 A |
255 | 0x00, 0x00, 0x77, 0x00, 0x00, 0x55, 0x00, 0x00, 0x44, 0x00, 0x00, 0x22, |
256 | 0x00, 0x00, 0x11, 0xEE, 0xEE, 0xEE, 0xDD, 0xDD, 0xDD, 0xBB, 0xBB, 0xBB, | |
257 | 0xAA, 0xAA, 0xAA, 0x88, 0x88, 0x88, 0x77, 0x77, 0x77, 0x55, 0x55, 0x55, | |
258 | 0x44, 0x44, 0x44, 0x22, 0x22, 0x22, 0x11, 0x11, 0x11, 0x00, 0x00, 0x00 | |
0b4e3aa0 | 259 | }; |