osfmk/i386/misc_protos.h

   1 /*
   2  * Copyright (c) 2000-2010 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 #ifdef __i386__
  50 extern void             cpu_IA32e_enable(struct cpu_data *);
  51 extern void             cpu_IA32e_disable(struct cpu_data *);
  52 extern void             ml_load_desc64(void);
  53 extern void             ml_64bit_lldt(int);
  54 #endif
  55
  56 #if NCOPY_WINDOWS > 0
  57 extern void             cpu_userwindow_init(int);
  58 extern void             cpu_physwindow_init(int);
  59 #endif
  60
  61 extern void             machine_startup(void);
  62
  63 extern void             get_root_device(void);
  64 extern void             picinit(void);
  65 extern void             interrupt_processor(
  66                                 int             cpu);
  67 extern void             mp_probe_cpus(void);
  68 extern void             panic_io_port_read(void);
  69
  70 extern void             remote_kdb(void);
  71 extern void             clear_kdb_intr(void);
  72 extern void             draw_panic_dialog(void);
  73 extern void             cpu_init(void);
  74 #ifdef __i386__
  75 extern void             cpu_shutdown(void);
  76 #endif
  77 extern void             fix_desc(
  78                                 void            * desc,
  79                                 int             num_desc);
  80 extern void             fix_desc64(
  81                                 void            * desc,
  82                                 int             num_desc);
  83 extern void             cnpollc(
  84                                 boolean_t       on);
  85 extern void             form_pic_mask(void);
  86 extern void             intnull(
  87                                 int             unit);
  88 extern char *           i386_boot_info(
  89                                 char            *buf,
  90                                 vm_size_t       buf_len);
  91
  92 extern void             blkclr(
  93                                const char       *from,
  94                                int              nbytes);
  95
  96 #ifdef __i386__
  97 extern unsigned int     div_scale(
  98                                 unsigned int    dividend,
  99                                 unsigned int    divisor,
 100                                 unsigned int    *scale);
 101
 102 extern unsigned int     mul_scale(
 103                                 unsigned int    multiplicand,
 104                                 unsigned int    multiplier,
 105                                 unsigned int    *scale);
 106 #endif
 107
 108 /* Move arbitrarily-aligned data from one physical address to another */
 109 extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t nbytes);
 110
 111 /* allow a function to get a quick virtual mapping of a physical page */
 112 extern int apply_func_phys(addr64_t src64, vm_size_t bytes, int (*func)(void * buffer, vm_size_t bytes, void * arg), void * arg);
 113
 114 extern void ml_copy_phys(addr64_t, addr64_t, vm_size_t);
 115
 116 /* Flush all cachelines for a page. */
 117 extern void cache_flush_page_phys(ppnum_t pa);
 118
 119 /* Flushing for incoherent I/O */
 120 extern void dcache_incoherent_io_flush64(addr64_t pa, unsigned int count);
 121 extern void dcache_incoherent_io_store64(addr64_t pa, unsigned int count);
 122
 123
 124 extern processor_t      cpu_processor_alloc(boolean_t is_boot_cpu);
 125 extern void             cpu_processor_free(processor_t proc);
 126
 127 extern void             *chudxnu_cpu_alloc(boolean_t is_boot_cpu);
 128 extern void             chudxnu_cpu_free(void *);
 129
 130 extern void             sysclk_gettime_interrupts_disabled(
 131                                 mach_timespec_t *cur_time);
 132
 133 extern void rtc_nanotime_init_commpage(void);
 134
 135 extern void     rtc_sleep_wakeup(uint64_t base);
 136
 137 extern void     rtc_timer_start(void);
 138
 139 extern void     rtc_clock_stepping(
 140                         uint32_t new_frequency,
 141                         uint32_t old_frequency);
 142 extern void     rtc_clock_stepped(
 143                         uint32_t new_frequency,
 144                         uint32_t old_frequency);
 145 extern void     rtc_clock_napped(uint64_t, uint64_t);
 146 extern void     rtc_clock_adjust(uint64_t);
 147
 148 extern void     pmap_lowmem_finalize(void);
 149
 150 thread_t Switch_context(thread_t, thread_continue_t, thread_t);
 151 thread_t Shutdown_context(thread_t thread, void (*doshutdown)(processor_t),processor_t  processor);
 152
 153 #ifdef __x86_64__
 154 uint64_t x86_64_pre_sleep(void);
 155 void x86_64_post_sleep(uint64_t new_cr3);
 156 #endif
 157
 158 boolean_t
 159 debug_state_is_valid32(x86_debug_state32_t *ds);
 160
 161 boolean_t
 162 debug_state_is_valid64(x86_debug_state64_t *ds);
 163
 164 void
 165 copy_debug_state32(x86_debug_state32_t *src, x86_debug_state32_t *target, boolean_t all);
 166
 167 void
 168 copy_debug_state64(x86_debug_state64_t *src, x86_debug_state64_t *target, boolean_t all);
 169
 170 extern void act_machine_switch_pcb(thread_t old, thread_t new);
 171
 172 /* Fast-restart parameters */
 173 #define FULL_SLAVE_INIT (NULL)
 174 #define FAST_SLAVE_INIT ((void *)(uintptr_t)1)
 175
 176 uint64_t ml_early_random(void);
 177 #endif /* _I386_MISC_PROTOS_H_ */