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1c79356b | 1 | /* |
2d21ac55 | 2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. |
1c79356b | 3 | * |
2d21ac55 A |
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 | |
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. | |
25 | * | |
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 | ||
1c79356b A |
53 | void pe_init_debug(void) |
54 | { | |
3e170ce0 A |
55 | boolean_t boot_arg_value; |
56 | ||
57 | if (!PE_parse_boot_argn("debug", &DEBUGFlag, sizeof (DEBUGFlag))) | |
58 | DEBUGFlag = 0; | |
59 | ||
60 | gPEKernelConfigurationBitmask = 0; | |
61 | ||
62 | if (!PE_parse_boot_argn("assertions", &boot_arg_value, sizeof(boot_arg_value))) { | |
63 | #if MACH_ASSERT | |
64 | boot_arg_value = TRUE; | |
65 | #else | |
66 | boot_arg_value = FALSE; | |
67 | #endif | |
68 | } | |
69 | gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasAssertions : 0); | |
70 | ||
71 | if (!PE_parse_boot_argn("statistics", &boot_arg_value, sizeof(boot_arg_value))) { | |
72 | #if DEVELOPMENT || DEBUG | |
73 | boot_arg_value = TRUE; | |
74 | #else | |
75 | boot_arg_value = FALSE; | |
76 | #endif | |
77 | } | |
78 | gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasStatistics : 0); | |
79 | ||
80 | #if SECURE_KERNEL | |
81 | boot_arg_value = FALSE; | |
82 | #else | |
83 | if (!PE_i_can_has_debugger(NULL)) { | |
84 | boot_arg_value = FALSE; | |
85 | } else if (!PE_parse_boot_argn("diagnostic_api", &boot_arg_value, sizeof(boot_arg_value))) { | |
86 | boot_arg_value = TRUE; | |
87 | } | |
88 | #endif | |
89 | gPEKernelConfigurationBitmask |= (boot_arg_value ? kPEICanHasDiagnosticAPI : 0); | |
90 | ||
d9a64523 A |
91 | |
92 | int factor = 1; | |
93 | boolean_t have_bootarg = PE_parse_boot_argn("cpu-factor", &factor, sizeof (factor)); | |
94 | if (have_bootarg) { | |
95 | debug_cpu_performance_degradation_factor = factor; | |
96 | } else { | |
97 | DTEntry root; | |
98 | if (DTLookupEntry(NULL, "/", &root) == kSuccess) { | |
99 | void *prop = NULL; | |
100 | uint32_t size = 0; | |
101 | if (DTGetProperty(root, "target-is-fpga", &prop, &size) == kSuccess) { | |
102 | debug_cpu_performance_degradation_factor = 10; | |
103 | } | |
104 | } | |
105 | } | |
1c79356b A |
106 | } |
107 | ||
593a1d5f | 108 | void PE_enter_debugger(const char *cause) |
1c79356b A |
109 | { |
110 | if (DEBUGFlag & DB_NMI) | |
111 | Debugger(cause); | |
112 | } | |
113 | ||
3e170ce0 A |
114 | uint32_t |
115 | PE_i_can_has_kernel_configuration(void) | |
116 | { | |
117 | return gPEKernelConfigurationBitmask; | |
118 | } | |
119 | ||
1c79356b | 120 | /* extern references */ |
1c79356b A |
121 | extern void vcattach(void); |
122 | ||
123 | /* Globals */ | |
2d21ac55 | 124 | void (*PE_putc)(char c); |
1c79356b A |
125 | |
126 | void PE_init_printf(boolean_t vm_initialized) | |
127 | { | |
128 | if (!vm_initialized) { | |
129 | PE_putc = cnputc; | |
130 | } else { | |
131 | vcattach(); | |
132 | } | |
133 | } | |
0b4e3aa0 | 134 | |
fe8ab488 A |
135 | uint32_t |
136 | PE_get_random_seed(unsigned char *dst_random_seed, uint32_t request_size) | |
137 | { | |
138 | DTEntry entryP; | |
139 | uint32_t size = 0; | |
140 | void *dt_random_seed; | |
141 | ||
142 | if ((DTLookupEntry(NULL, "/chosen", &entryP) == kSuccess) | |
143 | && (DTGetProperty(entryP, "random-seed", | |
144 | (void **)&dt_random_seed, &size) == kSuccess)) { | |
145 | unsigned char *src_random_seed; | |
146 | unsigned int i; | |
147 | unsigned int null_count = 0; | |
148 | ||
149 | src_random_seed = (unsigned char *)dt_random_seed; | |
150 | ||
151 | if (size > request_size) size = request_size; | |
152 | ||
153 | /* | |
154 | * Copy from the device tree into the destination buffer, | |
155 | * count the number of null bytes and null out the device tree. | |
156 | */ | |
157 | for (i=0 ; i< size; i++, src_random_seed++, dst_random_seed++) { | |
158 | *dst_random_seed = *src_random_seed; | |
159 | null_count += *src_random_seed == (unsigned char)0; | |
160 | *src_random_seed = (unsigned char)0; | |
161 | } | |
162 | if (null_count == size) | |
163 | /* All nulls is no seed - return 0 */ | |
164 | size = 0; | |
165 | } | |
166 | ||
167 | return(size); | |
168 | } | |
169 | ||
0b4e3aa0 A |
170 | unsigned char appleClut8[ 256 * 3 ] = { |
171 | // 00 | |
172 | 0xFF,0xFF,0xFF, 0xFF,0xFF,0xCC, 0xFF,0xFF,0x99, 0xFF,0xFF,0x66, | |
173 | 0xFF,0xFF,0x33, 0xFF,0xFF,0x00, 0xFF,0xCC,0xFF, 0xFF,0xCC,0xCC, | |
174 | 0xFF,0xCC,0x99, 0xFF,0xCC,0x66, 0xFF,0xCC,0x33, 0xFF,0xCC,0x00, | |
175 | 0xFF,0x99,0xFF, 0xFF,0x99,0xCC, 0xFF,0x99,0x99, 0xFF,0x99,0x66, | |
176 | // 10 | |
177 | 0xFF,0x99,0x33, 0xFF,0x99,0x00, 0xFF,0x66,0xFF, 0xFF,0x66,0xCC, | |
178 | 0xFF,0x66,0x99, 0xFF,0x66,0x66, 0xFF,0x66,0x33, 0xFF,0x66,0x00, | |
179 | 0xFF,0x33,0xFF, 0xFF,0x33,0xCC, 0xFF,0x33,0x99, 0xFF,0x33,0x66, | |
180 | 0xFF,0x33,0x33, 0xFF,0x33,0x00, 0xFF,0x00,0xFF, 0xFF,0x00,0xCC, | |
181 | // 20 | |
182 | 0xFF,0x00,0x99, 0xFF,0x00,0x66, 0xFF,0x00,0x33, 0xFF,0x00,0x00, | |
183 | 0xCC,0xFF,0xFF, 0xCC,0xFF,0xCC, 0xCC,0xFF,0x99, 0xCC,0xFF,0x66, | |
184 | 0xCC,0xFF,0x33, 0xCC,0xFF,0x00, 0xCC,0xCC,0xFF, 0xCC,0xCC,0xCC, | |
185 | 0xCC,0xCC,0x99, 0xCC,0xCC,0x66, 0xCC,0xCC,0x33, 0xCC,0xCC,0x00, | |
186 | // 30 | |
187 | 0xCC,0x99,0xFF, 0xCC,0x99,0xCC, 0xCC,0x99,0x99, 0xCC,0x99,0x66, | |
188 | 0xCC,0x99,0x33, 0xCC,0x99,0x00, 0xCC,0x66,0xFF, 0xCC,0x66,0xCC, | |
189 | 0xCC,0x66,0x99, 0xCC,0x66,0x66, 0xCC,0x66,0x33, 0xCC,0x66,0x00, | |
190 | 0xCC,0x33,0xFF, 0xCC,0x33,0xCC, 0xCC,0x33,0x99, 0xCC,0x33,0x66, | |
191 | // 40 | |
192 | 0xCC,0x33,0x33, 0xCC,0x33,0x00, 0xCC,0x00,0xFF, 0xCC,0x00,0xCC, | |
193 | 0xCC,0x00,0x99, 0xCC,0x00,0x66, 0xCC,0x00,0x33, 0xCC,0x00,0x00, | |
194 | 0x99,0xFF,0xFF, 0x99,0xFF,0xCC, 0x99,0xFF,0x99, 0x99,0xFF,0x66, | |
195 | 0x99,0xFF,0x33, 0x99,0xFF,0x00, 0x99,0xCC,0xFF, 0x99,0xCC,0xCC, | |
196 | // 50 | |
197 | 0x99,0xCC,0x99, 0x99,0xCC,0x66, 0x99,0xCC,0x33, 0x99,0xCC,0x00, | |
198 | 0x99,0x99,0xFF, 0x99,0x99,0xCC, 0x99,0x99,0x99, 0x99,0x99,0x66, | |
199 | 0x99,0x99,0x33, 0x99,0x99,0x00, 0x99,0x66,0xFF, 0x99,0x66,0xCC, | |
200 | 0x99,0x66,0x99, 0x99,0x66,0x66, 0x99,0x66,0x33, 0x99,0x66,0x00, | |
201 | // 60 | |
202 | 0x99,0x33,0xFF, 0x99,0x33,0xCC, 0x99,0x33,0x99, 0x99,0x33,0x66, | |
203 | 0x99,0x33,0x33, 0x99,0x33,0x00, 0x99,0x00,0xFF, 0x99,0x00,0xCC, | |
204 | 0x99,0x00,0x99, 0x99,0x00,0x66, 0x99,0x00,0x33, 0x99,0x00,0x00, | |
205 | 0x66,0xFF,0xFF, 0x66,0xFF,0xCC, 0x66,0xFF,0x99, 0x66,0xFF,0x66, | |
206 | // 70 | |
207 | 0x66,0xFF,0x33, 0x66,0xFF,0x00, 0x66,0xCC,0xFF, 0x66,0xCC,0xCC, | |
208 | 0x66,0xCC,0x99, 0x66,0xCC,0x66, 0x66,0xCC,0x33, 0x66,0xCC,0x00, | |
209 | 0x66,0x99,0xFF, 0x66,0x99,0xCC, 0x66,0x99,0x99, 0x66,0x99,0x66, | |
210 | 0x66,0x99,0x33, 0x66,0x99,0x00, 0x66,0x66,0xFF, 0x66,0x66,0xCC, | |
211 | // 80 | |
212 | 0x66,0x66,0x99, 0x66,0x66,0x66, 0x66,0x66,0x33, 0x66,0x66,0x00, | |
213 | 0x66,0x33,0xFF, 0x66,0x33,0xCC, 0x66,0x33,0x99, 0x66,0x33,0x66, | |
214 | 0x66,0x33,0x33, 0x66,0x33,0x00, 0x66,0x00,0xFF, 0x66,0x00,0xCC, | |
215 | 0x66,0x00,0x99, 0x66,0x00,0x66, 0x66,0x00,0x33, 0x66,0x00,0x00, | |
216 | // 90 | |
217 | 0x33,0xFF,0xFF, 0x33,0xFF,0xCC, 0x33,0xFF,0x99, 0x33,0xFF,0x66, | |
218 | 0x33,0xFF,0x33, 0x33,0xFF,0x00, 0x33,0xCC,0xFF, 0x33,0xCC,0xCC, | |
219 | 0x33,0xCC,0x99, 0x33,0xCC,0x66, 0x33,0xCC,0x33, 0x33,0xCC,0x00, | |
220 | 0x33,0x99,0xFF, 0x33,0x99,0xCC, 0x33,0x99,0x99, 0x33,0x99,0x66, | |
221 | // a0 | |
222 | 0x33,0x99,0x33, 0x33,0x99,0x00, 0x33,0x66,0xFF, 0x33,0x66,0xCC, | |
223 | 0x33,0x66,0x99, 0x33,0x66,0x66, 0x33,0x66,0x33, 0x33,0x66,0x00, | |
224 | 0x33,0x33,0xFF, 0x33,0x33,0xCC, 0x33,0x33,0x99, 0x33,0x33,0x66, | |
225 | 0x33,0x33,0x33, 0x33,0x33,0x00, 0x33,0x00,0xFF, 0x33,0x00,0xCC, | |
226 | // b0 | |
227 | 0x33,0x00,0x99, 0x33,0x00,0x66, 0x33,0x00,0x33, 0x33,0x00,0x00, | |
228 | 0x00,0xFF,0xFF, 0x00,0xFF,0xCC, 0x00,0xFF,0x99, 0x00,0xFF,0x66, | |
229 | 0x00,0xFF,0x33, 0x00,0xFF,0x00, 0x00,0xCC,0xFF, 0x00,0xCC,0xCC, | |
230 | 0x00,0xCC,0x99, 0x00,0xCC,0x66, 0x00,0xCC,0x33, 0x00,0xCC,0x00, | |
231 | // c0 | |
232 | 0x00,0x99,0xFF, 0x00,0x99,0xCC, 0x00,0x99,0x99, 0x00,0x99,0x66, | |
233 | 0x00,0x99,0x33, 0x00,0x99,0x00, 0x00,0x66,0xFF, 0x00,0x66,0xCC, | |
234 | 0x00,0x66,0x99, 0x00,0x66,0x66, 0x00,0x66,0x33, 0x00,0x66,0x00, | |
235 | 0x00,0x33,0xFF, 0x00,0x33,0xCC, 0x00,0x33,0x99, 0x00,0x33,0x66, | |
236 | // d0 | |
237 | 0x00,0x33,0x33, 0x00,0x33,0x00, 0x00,0x00,0xFF, 0x00,0x00,0xCC, | |
238 | 0x00,0x00,0x99, 0x00,0x00,0x66, 0x00,0x00,0x33, 0xEE,0x00,0x00, | |
239 | 0xDD,0x00,0x00, 0xBB,0x00,0x00, 0xAA,0x00,0x00, 0x88,0x00,0x00, | |
240 | 0x77,0x00,0x00, 0x55,0x00,0x00, 0x44,0x00,0x00, 0x22,0x00,0x00, | |
241 | // e0 | |
242 | 0x11,0x00,0x00, 0x00,0xEE,0x00, 0x00,0xDD,0x00, 0x00,0xBB,0x00, | |
243 | 0x00,0xAA,0x00, 0x00,0x88,0x00, 0x00,0x77,0x00, 0x00,0x55,0x00, | |
244 | 0x00,0x44,0x00, 0x00,0x22,0x00, 0x00,0x11,0x00, 0x00,0x00,0xEE, | |
245 | 0x00,0x00,0xDD, 0x00,0x00,0xBB, 0x00,0x00,0xAA, 0x00,0x00,0x88, | |
246 | // f0 | |
247 | 0x00,0x00,0x77, 0x00,0x00,0x55, 0x00,0x00,0x44, 0x00,0x00,0x22, | |
248 | 0x00,0x00,0x11, 0xEE,0xEE,0xEE, 0xDD,0xDD,0xDD, 0xBB,0xBB,0xBB, | |
249 | 0xAA,0xAA,0xAA, 0x88,0x88,0x88, 0x77,0x77,0x77, 0x55,0x55,0x55, | |
250 | 0x44,0x44,0x44, 0x22,0x22,0x22, 0x11,0x11,0x11, 0x00,0x00,0x00 | |
251 | }; | |
fe8ab488 | 252 |