arch/arm-all/processor/processor_init.c

   1 /*
   2     Copyright © 2013-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #define DEBUG 0
   7 #include <aros/debug.h>
   8
   9 #include <proto/exec.h>
  10 #include <proto/kernel.h>
  11 #include <aros/symbolsets.h>
  12
  13 #include <resources/processor.h>
  14
  15 #include "processor_intern.h"
  16 #include "processor_arch_intern.h"
  17
  18 #define DUMPINFO(a) a
  19
  20 LONG Processor_Init(struct ProcessorBase * ProcessorBase)
  21 {
  22     struct ARMProcessorInformation **sysprocs;
  23     unsigned int i;
  24
  25     D(bug("[processor.ARM] :%s()\n", __PRETTY_FUNCTION__));
  26
  27     sysprocs = AllocVec(ProcessorBase->cpucount * sizeof(APTR), MEMF_ANY | MEMF_CLEAR);
  28     if ((ProcessorBase->Private1 = sysprocs) == NULL)
  29         return FALSE;
  30
  31     for (i = 0; i < ProcessorBase->cpucount; i++)
  32     {
  33         sysprocs[i] = AllocMem(sizeof(struct ARMProcessorInformation), MEMF_CLEAR);
  34         if (!sysprocs[i])
  35             return FALSE;
  36 #if defined(__AROSEXEC_SMP__)
  37         if (i > 0)
  38         {
  39             NewCreateTask(TASKTAG_AFFINITY      , KrnGetCPUMask(i)              },
  40                           TASKTAG_PRI           , -127,
  41                           TASKTAG_PC            , ReadProcessorInformation,
  42                           TASKTAG_ARG1          , sysprocs[i],
  43                           TAG_DONE);
  44         }
  45         else
  46 #else
  47         if (i == 0)
  48 #endif
  49             ReadProcessorInformation(sysprocs[i]);
  50     }
  51
  52     DUMPINFO(
  53     bug("[processor.ARM] Processor Details -:\n");
  54         for (i = 0; i < ProcessorBase->cpucount; i++)
  55         {
  56             bug("[processor.ARM] ");
  57             if (ProcessorBase->cpucount > 1)
  58                 bug("#%d ", i);
  59             if (sysprocs[i]->FamilyString)
  60             {
  61                 bug("%s ARM%s Processor Core\n", sysprocs[i]->Vendor, sysprocs[i]->FamilyString);
  62             }
  63             else
  64             {
  65                 bug("%s ARM Processor Core (unknown family)\n", sysprocs[i]->Vendor);
  66             }
  67
  68             if (sysprocs[i]->Features1 & FEATF_FPU_VFP4)
  69             {
  70                 bug("[processor.ARM]   VFPv4 Co-Processor\n");
  71             }
  72             else if (sysprocs[i]->Features1 & FEATF_FPU_VFP3_16)
  73             {
  74                 bug("[processor.ARM]   VFPv3 [16Double] Co-Processor\n");
  75             }
  76             else if (sysprocs[i]->Features1 & FEATF_FPU_VFP3)
  77             {
  78                 bug("[processor.ARM]   VFPv3 Co-Processor\n");
  79             }
  80             else if (sysprocs[i]->Features1 & FEATF_FPU_VFP2)
  81             {
  82                 bug("[processor.ARM]   VFPv2 Co-Processor\n");
  83             }
  84             else
  85             {
  86                 bug("[processor.ARM]   VFPv1 Co-Processor\n");
  87             }
  88
  89             if (sysprocs[i]->Features1 & FEATF_NEON)
  90             {
  91                 bug("[processor.ARM]    NEON SIMD Extensions\n");
  92             }
  93
  94             bug("[processor.ARM] Cache Info:\n");
  95             bug("[processor.ARM]   L1 Data   : %dKb\n", sysprocs[i]->L1DataCacheSize);
  96             bug("[processor.ARM]   L1 Instr. : %dKb\n", sysprocs[i]->L1InstructionCacheSize);
  97         }
  98     )
  99
 100     return TRUE;
 101 }
 102
 103 ADD2INITLIB(Processor_Init, 1);