osfmk/ppc/machine_routines.h

   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_ */