osfmk/i386/misc_protos.h

   1 /*
   2  * Copyright (c) 2000-2012 Apple 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_COPYRIGHT@
  30  */
  31
  32 #ifndef _I386_MISC_PROTOS_H_
  33 #define _I386_MISC_PROTOS_H_
  34
  35 #include <machine/thread.h>
  36
  37 struct boot_args;
  38 struct cpu_data;
  39
  40 extern  boolean_t virtualized;
  41
  42 extern void             vstart(vm_offset_t);
  43 extern void             i386_init(void);
  44 extern void             x86_init_wrapper(uintptr_t, uintptr_t) __attribute__((noreturn));
  45 extern void             i386_vm_init(
  46                                 uint64_t,
  47                                 boolean_t,
  48                                 struct boot_args *);
  49
  50 #if NCOPY_WINDOWS > 0
  51 extern void             cpu_userwindow_init(int);
  52 extern void             cpu_physwindow_init(int);
  53 #endif
  54
  55 extern void             machine_startup(void);
  56
  57 extern void             get_root_device(void);
  58 extern void             picinit(void);
  59 extern void             interrupt_processor(
  60                                 int             cpu);
  61 extern void             mp_probe_cpus(void);
  62 extern void             panic_io_port_read(void);
  63
  64 extern void             remote_kdb(void);
  65 extern void             clear_kdb_intr(void);
  66 extern void             cpu_init(void);
  67 extern void             fix_desc(
  68                                 void            * desc,
  69                                 int             num_desc);
  70 extern void             fix_desc64(
  71                                 void            * desc,
  72                                 int             num_desc);
  73 extern void             cnpollc(
  74                                 boolean_t       on);
  75 extern void             form_pic_mask(void);
  76 extern void             intnull(
  77                                 int             unit);
  78 extern char *           i386_boot_info(
  79                                 char            *buf,
  80                                 vm_size_t       buf_len);
  81
  82 extern void             blkclr(
  83                                const char       *from,
  84                                int              nbytes);
  85
  86 extern void             memset_word(
  87                                int              *dst,
  88                                int              pattern,
  89                                int              nwords);
  90
  91
  92 /* Move arbitrarily-aligned data from one physical address to another */
  93 extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t nbytes);
  94
  95 /* allow a function to get a quick virtual mapping of a physical page */
  96 extern int apply_func_phys(addr64_t src64, vm_size_t bytes, int (*func)(void * buffer, vm_size_t bytes, void * arg), void * arg);
  97
  98 extern int ml_copy_phys(addr64_t, addr64_t, vm_size_t);
  99
 100 /* Flush all cachelines for a page. */
 101 extern void cache_flush_page_phys(ppnum_t pa);
 102
 103 /* Flushing for incoherent I/O */
 104 extern void dcache_incoherent_io_flush64(addr64_t pa, unsigned int count);
 105 extern void dcache_incoherent_io_store64(addr64_t pa, unsigned int count);
 106
 107
 108 extern processor_t      cpu_processor_alloc(boolean_t is_boot_cpu);
 109 extern void             cpu_processor_free(processor_t proc);
 110
 111 extern void             *chudxnu_cpu_alloc(boolean_t is_boot_cpu);
 112 extern void             chudxnu_cpu_free(void *);
 113
 114 extern void             sysclk_gettime_interrupts_disabled(
 115                                 mach_timespec_t *cur_time);
 116
 117 extern void rtc_nanotime_init_commpage(void);
 118
 119 extern void     rtc_sleep_wakeup(uint64_t base);
 120
 121 extern void     rtc_timer_start(void);
 122
 123 extern void     rtc_clock_stepping(
 124                         uint32_t new_frequency,
 125                         uint32_t old_frequency);
 126 extern void     rtc_clock_stepped(
 127                         uint32_t new_frequency,
 128                         uint32_t old_frequency);
 129 extern void     rtc_clock_napped(uint64_t, uint64_t);
 130 extern void     rtc_clock_adjust(uint64_t);
 131
 132 extern void     pmap_lowmem_finalize(void);
 133
 134 thread_t Switch_context(thread_t, thread_continue_t, thread_t);
 135 thread_t Shutdown_context(thread_t thread, void (*doshutdown)(processor_t),processor_t  processor);
 136
 137 #ifdef __x86_64__
 138 uint64_t x86_64_pre_sleep(void);
 139 void x86_64_post_sleep(uint64_t new_cr3);
 140 #endif
 141
 142 boolean_t
 143 debug_state_is_valid32(x86_debug_state32_t *ds);
 144
 145 boolean_t
 146 debug_state_is_valid64(x86_debug_state64_t *ds);
 147
 148 void
 149 copy_debug_state32(x86_debug_state32_t *src, x86_debug_state32_t *target, boolean_t all);
 150
 151 void
 152 copy_debug_state64(x86_debug_state64_t *src, x86_debug_state64_t *target, boolean_t all);
 153
 154 extern void act_machine_switch_pcb(thread_t old, thread_t new);
 155
 156 /* Fast-restart parameters */
 157 #define FULL_SLAVE_INIT (NULL)
 158 #define FAST_SLAVE_INIT ((void *)(uintptr_t)1)
 159
 160 void cpu_pmc_control(void *);
 161
 162 extern void pstate_trace(void);
 163
 164 #endif /* _I386_MISC_PROTOS_H_ */