The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/powerpc/powerpc/platform_if.m

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 #-
    2 # Copyright (c) 2009 Nathan Whitehorn
    3 # All rights reserved.
    4 #
    5 # Redistribution and use in source and binary forms, with or without
    6 # modification, are permitted provided that the following conditions
    7 # are met:
    8 # 1. Redistributions of source code must retain the above copyright
    9 #    notice, this list of conditions and the following disclaimer.
   10 # 2. Redistributions in binary form must reproduce the above copyright
   11 #    notice, this list of conditions and the following disclaimer in the
   12 #    documentation and/or other materials provided with the distribution.
   13 #
   14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24 # SUCH DAMAGE.
   25 #
   26 # $FreeBSD: releng/10.3/sys/powerpc/powerpc/platform_if.m 266020 2014-05-14 14:17:51Z ian $
   27 #
   28 
   29 #include <sys/param.h>
   30 #include <sys/lock.h>
   31 #include <sys/mutex.h>
   32 #include <sys/systm.h>
   33 #include <sys/smp.h>
   34 
   35 #include <machine/platform.h>
   36 #include <machine/platformvar.h>
   37 #include <machine/smp.h>
   38 #include <machine/vmparam.h>
   39 
   40 /**
   41  * @defgroup PLATFORM platform - KObj methods for PowerPC platform
   42  * implementations
   43  * @brief A set of methods required by all platform implementations.
   44  * These are used to bring up secondary CPUs, supply the physical memory
   45  * map, etc.
   46  *@{
   47  */
   48 
   49 INTERFACE platform;
   50 
   51 #
   52 # Default implementations
   53 #
   54 CODE {
   55         static void platform_null_attach(platform_t plat)
   56         {
   57                 return;
   58         }
   59         static int platform_null_smp_first_cpu(platform_t plat,
   60             struct cpuref  *cpuref)
   61         {
   62                 cpuref->cr_hwref = -1;
   63                 cpuref->cr_cpuid = 0;
   64                 return (0);
   65         }
   66         static int platform_null_smp_next_cpu(platform_t plat,
   67             struct cpuref  *_cpuref)
   68         {
   69                 return (ENOENT);
   70         }
   71         static struct cpu_group *platform_null_smp_topo(platform_t plat)
   72         {
   73 #ifdef SMP
   74                 return (smp_topo_none());
   75 #else
   76                 return (NULL);
   77 #endif
   78         }
   79         static vm_offset_t platform_null_real_maxaddr(platform_t plat)
   80         {
   81                 return (VM_MAX_ADDRESS);
   82         }
   83         static void platform_null_smp_ap_init(platform_t plat)
   84         {
   85                 return;
   86         }
   87 };
   88 
   89 /**
   90  * @brief Probe for whether we are on this platform, returning the standard
   91  * newbus probe codes. If we have Open Firmware or a flattened device tree,
   92  * it is guaranteed to be available at this point.
   93  */
   94 METHOD int probe {
   95         platform_t      _plat;
   96 };
   97 
   98 
   99 /**
  100  * @brief Attach this platform module. This happens before the MMU is online,
  101  * so the platform module can install its own high-priority MMU module at
  102  * this point.
  103  */
  104 METHOD int attach {
  105         platform_t      _plat;
  106 } DEFAULT platform_null_attach;
  107 
  108 
  109 /**
  110  * @brief Return the system's physical memory map.
  111  * 
  112  * It shall provide the total and the available regions of RAM.
  113  * The available regions need not take the kernel into account.
  114  *
  115  * @param _memp         Array of physical memory chunks
  116  * @param _memsz        Number of physical memory chunks
  117  * @param _availp       Array of available physical memory chunks
  118  * @param _availsz      Number of available physical memory chunks
  119  */
  120 
  121 METHOD void mem_regions {
  122         platform_t          _plat;
  123         struct mem_region  *_memp;
  124         int                *_memsz;
  125         struct mem_region  *_availp;
  126         int                *_availsz;
  127 };
  128 
  129 /**
  130  * @brief Return the maximum address accessible in real mode
  131  *   (for use with hypervisors)
  132  */
  133 METHOD vm_offset_t real_maxaddr {
  134         platform_t      _plat;
  135 } DEFAULT platform_null_real_maxaddr;
  136 
  137 
  138 /**
  139  * @brief Get the CPU's timebase frequency, in ticks per second.
  140  *
  141  * @param _cpu          CPU whose timebase to query
  142  */
  143 
  144 METHOD u_long timebase_freq {
  145         platform_t      _plat;
  146         struct cpuref  *_cpu;
  147 };
  148 
  149 # SMP bits 
  150 
  151 /**
  152  * @brief Fill the first CPU's cpuref
  153  *
  154  * @param _cpuref       CPU
  155  */
  156 METHOD int smp_first_cpu {
  157         platform_t      _plat;
  158         struct cpuref  *_cpuref;
  159 } DEFAULT platform_null_smp_first_cpu;
  160 
  161 /**
  162  * @brief Fill the next CPU's cpuref
  163  *
  164  * @param _cpuref       CPU
  165  */
  166 METHOD int smp_next_cpu {
  167         platform_t      _plat;
  168         struct cpuref  *_cpuref;
  169 } DEFAULT platform_null_smp_next_cpu;
  170 
  171 /**
  172  * @brief Find the boot processor
  173  *
  174  * @param _cpuref       CPU
  175  */
  176 METHOD int smp_get_bsp {
  177         platform_t      _plat;
  178         struct cpuref  *_cpuref;
  179 } DEFAULT platform_null_smp_first_cpu;
  180 
  181 /**
  182  * @brief Start a CPU
  183  *
  184  * @param _cpuref       CPU
  185  */
  186 METHOD int smp_start_cpu {
  187         platform_t      _plat;
  188         struct pcpu     *_cpu;
  189 };
  190 
  191 /**
  192  * @brief Start a CPU
  193  *
  194  */
  195 METHOD void smp_ap_init {
  196         platform_t      _plat;
  197 } DEFAULT platform_null_smp_ap_init;
  198 
  199 /**
  200  * @brief Return SMP topology
  201  */
  202 METHOD cpu_group_t smp_topo {
  203         platform_t      _plat;
  204 } DEFAULT platform_null_smp_topo;
  205 
  206 /**
  207  * @brief Reset system
  208  */
  209 METHOD void reset {
  210         platform_t      _plat;
  211 };
  212 
  213 /**
  214  * @brief Suspend the CPU
  215  */
  216 METHOD void sleep {
  217         platform_t      _plat;
  218 };
  219 

Cache object: ec38d86413ac998be02401e4ec0d453e


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.