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             sysclk_gettime_interrupts_disabled(
 112         mach_timespec_t *cur_time);
 113
 114 extern void rtc_nanotime_init_commpage(void);
 115
 116 extern void     rtc_sleep_wakeup(uint64_t base);
 117
 118 extern void     rtc_timer_start(void);
 119
 120 extern void     rtc_clock_napped(uint64_t, uint64_t);
 121 extern void     rtc_clock_adjust(uint64_t);
 122
 123 extern void     pmap_lowmem_finalize(void);
 124
 125 thread_t Switch_context(thread_t, thread_continue_t, thread_t);
 126
 127 __not_tail_called thread_t
 128 Shutdown_context(thread_t thread, void (*doshutdown)(processor_t), processor_t  processor);
 129
 130 #ifdef __x86_64__
 131 uint64_t x86_64_pre_sleep(void);
 132 void x86_64_post_sleep(uint64_t new_cr3);
 133 #endif
 134
 135 boolean_t
 136 debug_state_is_valid32(x86_debug_state32_t *ds);
 137
 138 boolean_t
 139 debug_state_is_valid64(x86_debug_state64_t *ds);
 140
 141 void
 142 copy_debug_state32(x86_debug_state32_t *src, x86_debug_state32_t *target, boolean_t all);
 143
 144 void
 145 copy_debug_state64(x86_debug_state64_t *src, x86_debug_state64_t *target, boolean_t all);
 146
 147 extern void act_machine_switch_pcb(thread_t old, thread_t new);
 148
 149 extern void Idle_PTs_release(vm_offset_t start, vm_offset_t end);
 150 extern ppnum_t released_PT_ppn;
 151 extern uint32_t released_PT_cnt;
 152
 153 /* Fast-restart parameters */
 154 #define FULL_SLAVE_INIT (NULL)
 155 #define FAST_SLAVE_INIT ((void *)(uintptr_t)1)
 156
 157 void cpu_pmc_control(void *);
 158
 159 extern void pstate_trace(void);
 160
 161 extern void mp_interrupt_watchdog(void);
 162
 163 #endif /* _I386_MISC_PROTOS_H_ */