Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/osfmk/ppc/machine_routines.h
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1 /* 2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22 /* 23 * @OSF_COPYRIGHT@ 24 */ 25 26 #ifndef _PPC_MACHINE_ROUTINES_H_ 27 #define _PPC_MACHINE_ROUTINES_H_ 28 29 #include <mach/mach_types.h> 30 #include <mach/boolean.h> 31 #include <kern/kern_types.h> 32 #include <pexpert/pexpert.h> 33 34 /* Get Interrupts Enabled */ 35 extern boolean_t ml_get_interrupts_enabled( 36 void); 37 38 /* Set Interrupts Enabled */ 39 extern boolean_t ml_set_interrupts_enabled( 40 boolean_t enable); 41 42 /* Check if running at interrupt context */ 43 extern boolean_t ml_at_interrupt_context( 44 void); 45 46 #ifdef KERNEL_PRIVATE 47 48 /* Generate a fake interrupt */ 49 extern void ml_cause_interrupt( 50 void); 51 52 /* Type for the IPI Hander */ 53 typedef void (*ipi_handler_t)(void); 54 55 /* Type for the Time Base Enable function */ 56 typedef void (*time_base_enable_t)(cpu_id_t cpu_id, boolean_t enable); 57 58 /* enables (or disables) the processor nap mode the function returns the previous value*/ 59 extern boolean_t ml_enable_nap( 60 int target_cpu, 61 boolean_t nap_enabled); 62 63 /* Put the processor to sleep */ 64 extern void ml_ppc_sleep( 65 void); 66 67 extern void ml_get_timebase( 68 unsigned long long *timstamp); 69 70 extern int ml_enable_cache_level( 71 int cache_level, 72 int enable); 73 74 extern void ml_static_mfree( 75 vm_offset_t vaddr, 76 vm_size_t size); 77 78 /* Init Interrupts */ 79 extern void ml_install_interrupt_handler( 80 void *nub, 81 int source, 82 void *target, 83 IOInterruptHandler handler, 84 void *refCon); 85 86 extern vm_offset_t ml_static_ptovirt( 87 vm_offset_t paddr); 88 89 /* virtual to physical on wired pages */ 90 extern vm_offset_t ml_vtophys( 91 vm_offset_t vaddr); 92 93 /* PCI config cycle probing */ 94 extern boolean_t ml_probe_read( 95 vm_offset_t paddr, 96 unsigned int *val); 97 98 extern boolean_t ml_probe_read_64( 99 addr64_t paddr, 100 unsigned int *val); 101 102 /* Read physical address byte */ 103 extern unsigned int ml_phys_read_byte( 104 vm_offset_t paddr); 105 106 extern unsigned int ml_phys_read_byte_64( 107 addr64_t paddr); 108 109 /* Read physical address half word */ 110 extern unsigned int ml_phys_read_half( 111 vm_offset_t paddr); 112 113 extern unsigned int ml_phys_read_half_64( 114 addr64_t paddr); 115 116 /* Read physical address word*/ 117 extern unsigned int ml_phys_read( 118 vm_offset_t paddr); 119 120 extern unsigned int ml_phys_read_64( 121 addr64_t paddr); 122 123 extern unsigned int ml_phys_read_word( 124 vm_offset_t paddr); 125 126 extern unsigned int ml_phys_read_word_64( 127 addr64_t paddr); 128 129 /* Read physical address double word */ 130 extern unsigned long long ml_phys_read_double( 131 vm_offset_t paddr); 132 133 extern unsigned long long ml_phys_read_double_64( 134 addr64_t paddr); 135 136 /* Write physical address byte */ 137 extern void ml_phys_write_byte( 138 vm_offset_t paddr, 139 unsigned int data); 140 141 extern void ml_phys_write_byte_64( 142 addr64_t paddr, 143 unsigned int data); 144 145 /* Write physical address half word */ 146 extern void ml_phys_write_half( 147 vm_offset_t paddr, 148 unsigned int data); 149 150 extern void ml_phys_write_half_64( 151 addr64_t paddr, 152 unsigned int data); 153 154 /* Write physical address word */ 155 extern void ml_phys_write( 156 vm_offset_t paddr, 157 unsigned int data); 158 159 extern void ml_phys_write_64( 160 addr64_t paddr, 161 unsigned int data); 162 163 extern void ml_phys_write_word( 164 vm_offset_t paddr, 165 unsigned int data); 166 167 extern void ml_phys_write_word_64( 168 addr64_t paddr, 169 unsigned int data); 170 171 /* Write physical address double word */ 172 extern void ml_phys_write_double( 173 vm_offset_t paddr, 174 unsigned long long data); 175 176 extern void ml_phys_write_double_64( 177 addr64_t paddr, 178 unsigned long long data); 179 180 /* Struct for ml_processor_register */ 181 struct ml_processor_info { 182 cpu_id_t cpu_id; 183 boolean_t boot_cpu; 184 vm_offset_t start_paddr; 185 boolean_t supports_nap; 186 unsigned long l2cr_value; 187 time_base_enable_t time_base_enable; 188 uint32_t power_mode_0; 189 uint32_t power_mode_1; 190 }; 191 192 typedef struct ml_processor_info ml_processor_info_t; 193 194 /* Register a processor */ 195 extern kern_return_t ml_processor_register( 196 ml_processor_info_t *ml_processor_info, 197 processor_t *processor, 198 ipi_handler_t *ipi_handler); 199 200 /* Zero bytes starting at a physical address */ 201 extern void bzero_phys( 202 addr64_t phys_address, 203 uint32_t length); 204 205 #endif /* KERNEL_PRIVATE */ 206 207 #ifdef XNU_KERNEL_PRIVATE 208 #if defined(PEXPERT_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE) 209 210 /* Map memory map IO space */ 211 extern vm_offset_t ml_io_map( 212 vm_offset_t phys_addr, 213 vm_size_t size); 214 215 /* boot memory allocation */ 216 extern vm_offset_t ml_static_malloc( 217 vm_size_t size); 218 219 #endif /* PEXPERT_KERNEL_PRIVATE || MACH_KERNEL_PRIVATE */ 220 221 #if defined(BSD_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE) 222 223 extern int set_be_bit( 224 void); 225 226 extern int clr_be_bit( 227 void); 228 229 extern int be_tracing( 230 void); 231 232 #endif /* BSD_KERNEL_PRIVATE || MACH_KERNEL_PRIVATE */ 233 234 #ifdef MACH_KERNEL_PRIVATE 235 extern void ml_init_interrupt( 236 void); 237 238 extern void cacheInit( 239 void); 240 241 extern void cacheDisable( 242 void); 243 244 extern void ml_init_lock_timeout( 245 void); 246 247 void ml_ppc_do_sleep(void); 248 249 #endif /* MACH_KERNEL_PRIVATE */ 250 #endif /* XNU_KERNEL_PRIVATE */ 251 252 #ifdef KERNEL_PRIVATE 253 extern void ml_thread_policy( 254 thread_t thread, 255 unsigned policy_id, 256 unsigned policy_info); 257 258 #define MACHINE_GROUP 0x00000001 259 #define MACHINE_NETWORK_GROUP 0x10000000 260 #define MACHINE_NETWORK_WORKLOOP 0x00000001 261 #define MACHINE_NETWORK_NETISR 0x00000002 262 263 /* Initialize the maximum number of CPUs */ 264 extern void ml_init_max_cpus( 265 unsigned int max_cpus); 266 267 /* Return the maximum number of CPUs set by ml_init_max_cpus() */ 268 extern unsigned int ml_get_max_cpus( 269 void); 270 271 extern void ml_cpu_up(void); 272 extern void ml_cpu_down(void); 273 274 /* Struct for ml_cpu_get_info */ 275 struct ml_cpu_info { 276 unsigned long vector_unit; 277 unsigned long cache_line_size; 278 unsigned long l1_icache_size; 279 unsigned long l1_dcache_size; 280 unsigned long l2_settings; 281 unsigned long l2_cache_size; 282 unsigned long l3_settings; 283 unsigned long l3_cache_size; 284 }; 285 286 typedef struct ml_cpu_info ml_cpu_info_t; 287 288 /* Get processor info */ 289 extern void ml_cpu_get_info( 290 ml_cpu_info_t *ml_cpu_info); 291 292 extern void ml_set_processor_speed( 293 unsigned long speed); 294 extern void ml_set_processor_speed_slave( 295 unsigned long speed); 296 extern void ml_set_processor_speed_dpll( 297 unsigned long speed); 298 extern void ml_set_processor_speed_dfs( 299 unsigned long speed); 300 extern void ml_set_processor_speed_powertune( 301 unsigned long speed); 302 303 extern void ml_set_processor_voltage( 304 unsigned long voltage); 305 306 extern unsigned int ml_scom_write( 307 uint32_t reg, 308 uint64_t data); 309 310 extern unsigned int ml_scom_read( 311 uint32_t reg, 312 uint64_t *data); 313 314 extern uint32_t ml_hdec_ratio(void); 315 316 #endif /* KERNEL_PRIVATE */ 317 318 #endif /* _PPC_MACHINE_ROUTINES_H_ */
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