osfmk/i386/machine_routines.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #ifndef _I386_MACHINE_ROUTINES_H_
  27 #define _I386_MACHINE_ROUTINES_H_
  28
  29 #include <mach/mach_types.h>
  30 #include <mach/boolean.h>
  31 #include <kern/kern_types.h>
  32 #include <pexpert/pexpert.h>
  33
  34
  35 #if     defined(PEXPERT_KERNEL_PRIVATE) || defined(MACH_KERNEL_PRIVATE)
  36 /* IO memory map services */
  37
  38 /* Map memory map IO space */
  39 vm_offset_t ml_io_map(
  40         vm_offset_t phys_addr,
  41         vm_size_t size);
  42
  43 /* boot memory allocation */
  44 vm_offset_t ml_static_malloc(
  45         vm_size_t size);
  46
  47 #endif
  48
  49 vm_offset_t
  50 ml_static_ptovirt(
  51         vm_offset_t);
  52
  53 void ml_static_mfree(
  54         vm_offset_t,
  55         vm_size_t);
  56
  57 /* virtual to physical on wired pages */
  58 vm_offset_t ml_vtophys(
  59         vm_offset_t vaddr);
  60
  61 /* Interrupt handling */
  62
  63 /* Get Interrupts Enabled */
  64 boolean_t ml_get_interrupts_enabled(void);
  65
  66 /* Set Interrupts Enabled */
  67 boolean_t ml_set_interrupts_enabled(boolean_t enable);
  68
  69 /* Check if running at interrupt context */
  70 boolean_t ml_at_interrupt_context(void);
  71
  72 /* Generate a fake interrupt */
  73 void ml_cause_interrupt(void);
  74
  75 /* Initialize Interrupts */
  76 void ml_install_interrupt_handler(
  77     void *nub,
  78     int source,
  79     void *target,
  80     IOInterruptHandler handler,
  81     void *refCon);
  82
  83 #ifdef  MACH_KERNEL_PRIVATE
  84 /* check pending timers */
  85 #define machine_clock_assist()
  86
  87 void machine_idle(void);
  88
  89 void machine_signal_idle(
  90         processor_t processor);
  91 #endif
  92
  93 /* Type for the IPI Hander */
  94 typedef void (*ipi_handler_t)(void);
  95
  96 /* Register a processor */
  97 kern_return_t ml_processor_register(
  98         cpu_id_t cpu_id,
  99         vm_offset_t start_paddr,
 100         processor_t *processor,
 101         ipi_handler_t *ipi_handler,
 102         boolean_t boot_cpu);
 103
 104 void ml_get_timebase(unsigned long long *timestamp);
 105
 106 #endif /* _I386_MACHINE_ROUTINES_H_ */