gen/libsa/mach.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /* mach simulation */
  25
  26 #import "libsa.h"
  27
  28 port_t task_self_;
  29
  30 char *mach_error_string(int errnum)
  31 {
  32     extern char *strerror(int errnum);
  33
  34     return strerror(errnum);
  35 }
  36
  37 kern_return_t vm_allocate(
  38     vm_task_t target_task,
  39     vm_address_t *address,
  40     vm_size_t size,
  41     boolean_t anywhere
  42 )
  43 {
  44     *address = (vm_address_t)malloc(size);
  45     if (*address == 0)
  46         return KERN_FAILURE;
  47     else {
  48         bzero(*address, size);
  49         return KERN_SUCCESS;
  50     }
  51 }
  52
  53 kern_return_t vm_deallocate(
  54     vm_task_t target_task,
  55     vm_address_t address,
  56     vm_size_t size
  57 )
  58 {
  59     free((void *)address);
  60     return KERN_SUCCESS;
  61 }
  62
  63 vm_size_t vm_page_size = 8192;
  64
  65 kern_return_t host_info(
  66     host_t host,
  67     int flavor,
  68     host_info_t host_info,
  69     unsigned int *host_info_count
  70 )
  71 {
  72     host_basic_info_t hi = (host_basic_info_t) host_info;
  73
  74     switch(flavor) {
  75     case HOST_BASIC_INFO:
  76         hi->max_cpus = 1;
  77         hi->avail_cpus = 1;
  78 //      hi->memory_size =
  79 //          (kernBootStruct->convmem +  kernBootStruct->extmem) * 1024;
  80         hi->memory_size = 0;
  81         hi->cpu_type = CPU_TYPE_I386;
  82         hi->cpu_subtype = CPU_SUBTYPE_486;
  83         break;
  84     case HOST_PROCESSOR_SLOTS:
  85         break;
  86     case HOST_SCHED_INFO:
  87         break;
  88     }
  89     return KERN_SUCCESS;
  90 }
  91
  92 host_t host_self(void)
  93 {
  94     return 0;
  95 }
  96
  97 int getpagesize(void)
  98 {
  99     return vm_page_size;
 100 }