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 | #if CONFIG_EMBEDDED |
38 | #include <libkern/section_keywords.h> |
39 | #endif |
40 | |
41 | static int DEBUGFlag; |
42 | |
43 | #if CONFIG_EMBEDDED |
44 | SECURITY_READ_ONLY_LATE(static uint32_t) gPEKernelConfigurationBitmask; |
45 | #else |
46 | static uint32_t gPEKernelConfigurationBitmask; |
47 | #endif |
48 | |
49 | int32_t gPESerialBaud = -1; |
50 | |
51 | int debug_cpu_performance_degradation_factor = 1; |
52 | |
53 | void pe_init_debug(void) |
54 | { |
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 | |
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 | } |
106 | } |
107 | |
108 | void PE_enter_debugger(const char *cause) |
109 | { |
110 | if (DEBUGFlag & DB_NMI) |
111 | Debugger(cause); |
112 | } |
113 | |
114 | uint32_t |
115 | PE_i_can_has_kernel_configuration(void) |
116 | { |
117 | return gPEKernelConfigurationBitmask; |
118 | } |
119 | |
120 | /* extern references */ |
121 | extern void vcattach(void); |
122 | |
123 | /* Globals */ |
124 | void (*PE_putc)(char c); |
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 | } |
134 | |
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 | |
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 | }; |
252 | |
253 | |