osfmk/ppc/machine_routines.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28
  29 #ifndef _PPC_MACHINE_ROUTINES_H_
  30 #define _PPC_MACHINE_ROUTINES_H_
  31
  32 #include <mach/mach_types.h>
  33 #include <mach/boolean.h>
  34 #include <kern/kern_types.h>
  35 #include <kern/sched_prim.h>
  36 #include <pexpert/pexpert.h>
  37
  38 #include <sys/appleapiopts.h>
  39
  40 /* Get Interrupts Enabled */
  41 boolean_t ml_get_interrupts_enabled(void);
  42
  43 /* Set Interrupts Enabled */
  44 boolean_t ml_set_interrupts_enabled(boolean_t enable);
  45
  46 /* Check if running at interrupt context */
  47 boolean_t ml_at_interrupt_context(void);
  48
  49 /* Generate a fake interrupt */
  50 void ml_cause_interrupt(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 boolean_t ml_enable_nap(
  60         int target_cpu,
  61         boolean_t nap_enabled);
  62
  63 /* Put the processor to sleep */
  64 void ml_ppc_sleep(void);
  65 void ml_get_timebase(unsigned long long *timstamp);
  66 void ml_sense__nmi(void);
  67
  68 int ml_enable_cache_level(int cache_level, int enable);
  69
  70 void ml_static_mfree(
  71         vm_offset_t,
  72         vm_size_t);
  73
  74 /* Init Interrupts */
  75 void ml_install_interrupt_handler(
  76         void *nub,
  77         int source,
  78         void *target,
  79         IOInterruptHandler handler,
  80         void *refCon);
  81
  82 #ifdef __APPLE_API_UNSTABLE
  83
  84 vm_offset_t
  85 ml_static_ptovirt(
  86         vm_offset_t);
  87
  88 /* virtual to physical on wired pages */
  89 vm_offset_t ml_vtophys(
  90         vm_offset_t vaddr);
  91
  92 /* PCI config cycle probing */
  93 boolean_t ml_probe_read(
  94         vm_offset_t paddr,
  95         unsigned int *val);
  96 boolean_t ml_probe_read_64(
  97         addr64_t paddr,
  98         unsigned int *val);
  99
 100 /* Read physical address byte */
 101 unsigned int ml_phys_read_byte(
 102         vm_offset_t paddr);
 103 unsigned int ml_phys_read_byte_64(
 104         addr64_t paddr);
 105
 106 /* Read physical address half word */
 107 unsigned int ml_phys_read_half(
 108         vm_offset_t paddr);
 109 unsigned int ml_phys_read_half_64(
 110         addr64_t paddr);
 111
 112 /* Read physical address word*/
 113 unsigned int ml_phys_read(
 114         vm_offset_t paddr);
 115 unsigned int ml_phys_read_64(
 116         addr64_t paddr);
 117 unsigned int ml_phys_read_word(
 118         vm_offset_t paddr);
 119 unsigned int ml_phys_read_word_64(
 120         addr64_t paddr);
 121
 122 /* Read physical address double word */
 123 unsigned long long ml_phys_read_double(
 124         vm_offset_t paddr);
 125 unsigned long long ml_phys_read_double_64(
 126         addr64_t paddr);
 127
 128 /* Write physical address byte */
 129 void ml_phys_write_byte(
 130         vm_offset_t paddr, unsigned int data);
 131 void ml_phys_write_byte_64(
 132         addr64_t paddr, unsigned int data);
 133
 134 /* Write physical address half word */
 135 void ml_phys_write_half(
 136         vm_offset_t paddr, unsigned int data);
 137 void ml_phys_write_half_64(
 138         addr64_t paddr, unsigned int data);
 139
 140 /* Write physical address word */
 141 void ml_phys_write(
 142         vm_offset_t paddr, unsigned int data);
 143 void ml_phys_write_64(
 144         addr64_t paddr, unsigned int data);
 145 void ml_phys_write_word(
 146         vm_offset_t paddr, unsigned int data);
 147 void ml_phys_write_word_64(
 148         addr64_t paddr, unsigned int data);
 149
 150 /* Write physical address double word */
 151 void ml_phys_write_double(
 152         vm_offset_t paddr, unsigned long long data);
 153 void ml_phys_write_double_64(
 154         addr64_t paddr, unsigned long long data);
 155
 156 /* Struct for ml_processor_register */
 157 struct ml_processor_info_t {
 158         cpu_id_t                        cpu_id;
 159         boolean_t                       boot_cpu;
 160         vm_offset_t                     start_paddr;
 161         boolean_t                       supports_nap;
 162         unsigned long           l2cr_value;
 163         time_base_enable_t      time_base_enable;
 164 };
 165
 166 typedef struct ml_processor_info_t ml_processor_info_t;
 167
 168 /* Register a processor */
 169 kern_return_t ml_processor_register(
 170         ml_processor_info_t *processor_info,
 171         processor_t *processor,
 172         ipi_handler_t *ipi_handler);
 173
 174 #endif /* __APPLE_API_UNSTABLE */
 175
 176 #ifdef  __APPLE_API_PRIVATE
 177 #if     defined(PEXPERT_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE)
 178 /* IO memory map services */
 179
 180 /* Map memory map IO space */
 181 vm_offset_t ml_io_map(
 182         vm_offset_t phys_addr,
 183         vm_size_t size);
 184
 185 /* boot memory allocation */
 186 vm_offset_t ml_static_malloc(
 187         vm_size_t size);
 188
 189 #endif /* PEXPERT_KERNEL_PRIVATE || MACH_KERNEL_PRIVATE */
 190
 191 #ifdef  MACH_KERNEL_PRIVATE
 192 void    ml_init_interrupt(void);
 193
 194 boolean_t fake_get_interrupts_enabled(void);
 195
 196 boolean_t fake_set_interrupts_enabled(
 197         boolean_t enable);
 198
 199 void machine_idle(void);
 200
 201 void machine_signal_idle(
 202         processor_t processor);
 203
 204 void cacheInit(void);
 205
 206 void cacheDisable(void);
 207
 208 void ml_thrm_init(void);
 209 unsigned int ml_read_temp(void);
 210
 211 void ml_thrm_set(
 212         unsigned int low,
 213         unsigned int high);
 214
 215 unsigned int ml_throttle(
 216         unsigned int);
 217
 218 #endif /* MACH_KERNEL_PRIVATE */
 219
 220 void ml_thread_policy(
 221         thread_t thread,
 222         unsigned policy_id,
 223         unsigned policy_info);
 224
 225 #define MACHINE_GROUP                           0x00000001
 226 #define MACHINE_NETWORK_GROUP           0x10000000
 227 #define MACHINE_NETWORK_WORKLOOP        0x00000001
 228 #define MACHINE_NETWORK_NETISR          0x00000002
 229
 230 /* Initialize the maximum number of CPUs */
 231 void ml_init_max_cpus(
 232         unsigned long max_cpus);
 233
 234 /* Return the maximum number of CPUs set by ml_init_max_cpus() */
 235 int ml_get_max_cpus(
 236         void);
 237
 238 /* Return the current number of CPUs */
 239 int ml_get_current_cpus(
 240         void);
 241
 242 /* Struct for ml_cpu_get_info */
 243 struct ml_cpu_info {
 244         unsigned long           vector_unit;
 245         unsigned long           cache_line_size;
 246         unsigned long           l1_icache_size;
 247         unsigned long           l1_dcache_size;
 248         unsigned long           l2_settings;
 249         unsigned long           l2_cache_size;
 250         unsigned long           l3_settings;
 251         unsigned long           l3_cache_size;
 252 };
 253
 254 typedef struct ml_cpu_info ml_cpu_info_t;
 255
 256 /* Get processor info */
 257 void ml_cpu_get_info(ml_cpu_info_t *cpu_info);
 258
 259 void ml_set_processor_speed(unsigned long speed);
 260 void ml_set_processor_voltage(unsigned long voltage);
 261
 262 #endif /* __APPLE_API_PRIVATE */
 263
 264 #endif /* _PPC_MACHINE_ROUTINES_H_ */