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,
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  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
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  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             cpu_init(void);
  73 #ifdef __i386__
  74 extern void             cpu_shutdown(void);
  75 #endif
  76 extern void             fix_desc(
  77                                 void            * desc,
  78                                 int             num_desc);
  79 extern void             fix_desc64(
  80                                 void            * desc,
  81                                 int             num_desc);
  82 extern void             cnpollc(
  83                                 boolean_t       on);
  84 extern void             form_pic_mask(void);
  85 extern void             intnull(
  86                                 int             unit);
  87 extern char *           i386_boot_info(
  88                                 char            *buf,
  89                                 vm_size_t       buf_len);
  90
  91 extern void             blkclr(
  92                                const char       *from,
  93                                int              nbytes);
  94
  95 #ifdef __i386__
  96 extern unsigned int     div_scale(
  97                                 unsigned int    dividend,
  98                                 unsigned int    divisor,
  99                                 unsigned int    *scale);
 100
 101 extern unsigned int     mul_scale(
 102                                 unsigned int    multiplicand,
 103                                 unsigned int    multiplier,
 104                                 unsigned int    *scale);
 105 #endif
 106
 107 /* Move arbitrarily-aligned data from one physical address to another */
 108 extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t nbytes);
 109
 110 /* allow a function to get a quick virtual mapping of a physical page */
 111 extern int apply_func_phys(addr64_t src64, vm_size_t bytes, int (*func)(void * buffer, vm_size_t bytes, void * arg), void * arg);
 112
 113 extern void ml_copy_phys(addr64_t, addr64_t, vm_size_t);
 114
 115 /* Flush all cachelines for a page. */
 116 extern void cache_flush_page_phys(ppnum_t pa);
 117
 118 /* Flushing for incoherent I/O */
 119 extern void dcache_incoherent_io_flush64(addr64_t pa, unsigned int count);
 120 extern void dcache_incoherent_io_store64(addr64_t pa, unsigned int count);
 121
 122
 123 extern processor_t      cpu_processor_alloc(boolean_t is_boot_cpu);
 124 extern void             cpu_processor_free(processor_t proc);
 125
 126 extern void             *chudxnu_cpu_alloc(boolean_t is_boot_cpu);
 127 extern void             chudxnu_cpu_free(void *);
 128
 129 extern void             sysclk_gettime_interrupts_disabled(
 130                                 mach_timespec_t *cur_time);
 131
 132 extern void rtc_nanotime_init_commpage(void);
 133
 134 extern void     rtc_sleep_wakeup(uint64_t base);
 135
 136 extern void     rtc_timer_start(void);
 137
 138 extern void     rtc_clock_stepping(
 139                         uint32_t new_frequency,
 140                         uint32_t old_frequency);
 141 extern void     rtc_clock_stepped(
 142                         uint32_t new_frequency,
 143                         uint32_t old_frequency);
 144 extern void     rtc_clock_napped(uint64_t, uint64_t);
 145 extern void     rtc_clock_adjust(uint64_t);
 146
 147 extern void     pmap_lowmem_finalize(void);
 148
 149 thread_t Switch_context(thread_t, thread_continue_t, thread_t);
 150 thread_t Shutdown_context(thread_t thread, void (*doshutdown)(processor_t),processor_t  processor);
 151
 152 #ifdef __x86_64__
 153 uint64_t x86_64_pre_sleep(void);
 154 void x86_64_post_sleep(uint64_t new_cr3);
 155 #endif
 156
 157 boolean_t
 158 debug_state_is_valid32(x86_debug_state32_t *ds);
 159
 160 boolean_t
 161 debug_state_is_valid64(x86_debug_state64_t *ds);
 162
 163 void
 164 copy_debug_state32(x86_debug_state32_t *src, x86_debug_state32_t *target, boolean_t all);
 165
 166 void
 167 copy_debug_state64(x86_debug_state64_t *src, x86_debug_state64_t *target, boolean_t all);
 168
 169 extern void act_machine_switch_pcb(thread_t old, thread_t new);
 170
 171 /* Fast-restart parameters */
 172 #define FULL_SLAVE_INIT (NULL)
 173 #define FAST_SLAVE_INIT ((void *)(uintptr_t)1)
 174
 175 uint64_t ml_early_random(void);
 176 void cpu_pmc_control(void *);
 177 #endif /* _I386_MISC_PROTOS_H_ */