os/kernelhwsrv/kerneltest/e32test/misc/cpumeter.cia
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // e32test\misc\cpumeter.cia
    15 // 
    16 //
    17 
    18 #include <e32test.h>
    19 #include <e32hal.h>
    20 #include <u32std.h>
    21 
    22 extern TUint32 NopCount;
    23 extern TUint MaxCycles;
    24 
    25 #if defined(__CPU_ARM)
    26 __NAKED__ TInt CountNops(TAny*)
    27 	{
    28 	__SWITCH_TO_ARM;
    29 	asm("ldr r0, __NopCount ");
    30 	asm("mov r1, #0 ");
    31 
    32 	asm("loop: ");
    33 	asm("mov r0, r0 ");
    34 	asm("mov r0, r0 ");
    35 	asm("mov r0, r0 ");
    36 	asm("mov r0, r0 ");
    37 	asm("mov r0, r0 ");
    38 	asm("mov r0, r0 ");
    39 	asm("mov r0, r0 ");
    40 	asm("mov r0, r0 ");
    41 	asm("mov r0, r0 ");
    42 	asm("mov r0, r0 ");
    43 	asm("mov r0, r0 ");
    44 	asm("mov r0, r0 ");
    45 	asm("mov r0, r0 ");
    46 	asm("mov r0, r0 ");
    47 	asm("mov r0, r0 ");
    48 	asm("mov r0, r0 ");
    49 	asm("mov r0, r0 ");
    50 	asm("mov r0, r0 ");
    51 	asm("mov r0, r0 ");
    52 	asm("mov r0, r0 ");
    53 	asm("mov r0, r0 ");
    54 	asm("mov r0, r0 ");
    55 	asm("mov r0, r0 ");
    56 	asm("mov r0, r0 ");
    57 	asm("mov r0, r0 ");
    58 	asm("mov r0, r0 ");
    59 	asm("mov r0, r0 ");
    60 	asm("mov r0, r0 ");
    61 	asm("mov r0, r0 ");
    62 	asm("mov r0, r0 ");
    63 	asm("mov r0, r0 ");
    64 	asm("mov r0, r0 ");
    65 	asm("mov r0, r0 ");
    66 	asm("mov r0, r0 ");
    67 	asm("mov r0, r0 ");
    68 	asm("mov r0, r0 ");
    69 	asm("mov r0, r0 ");
    70 	asm("mov r0, r0 ");
    71 	asm("mov r0, r0 ");
    72 	asm("mov r0, r0 ");
    73 	asm("mov r0, r0 ");
    74 	asm("mov r0, r0 ");
    75 	asm("mov r0, r0 ");
    76 	asm("mov r0, r0 ");
    77 	asm("mov r0, r0 ");
    78 	asm("mov r0, r0 ");
    79 	asm("mov r0, r0 ");
    80 	asm("mov r0, r0 ");
    81 	asm("mov r0, r0 ");
    82 	asm("mov r0, r0 ");
    83 	asm("mov r0, r0 ");
    84 	asm("mov r0, r0 ");
    85 	asm("mov r0, r0 ");
    86 	asm("mov r0, r0 ");
    87 	asm("mov r0, r0 ");
    88 	asm("mov r0, r0 ");
    89 	asm("mov r0, r0 ");
    90 	asm("mov r0, r0 ");
    91 	asm("mov r0, r0 ");
    92 	asm("mov r0, r0 ");
    93 	asm("mov r0, r0 ");
    94 	asm("mov r0, r0 ");
    95 	asm("mov r0, r0 ");
    96 	asm("mov r0, r0 ");
    97 	asm("add r1, r1, #71 ");
    98 	asm("str r1, [r0] ");
    99 	asm("b loop ");
   100 
   101 	asm("mov r0, #0 ");
   102 	__JUMP(,lr);
   103 
   104 	asm("__NopCount: ");
   105 	asm(".word NopCount ");
   106 	__END_ARM;
   107 	}
   108 #elif defined(__CPU_X86)
   109 __NAKED__ TInt CountNops(TAny*)
   110 	{
   111 #ifdef __WINS__
   112 	__asm lea edx, NopCount
   113 	__asm mov eax, 0
   114 noploop:
   115 	__asm inc eax
   116 	__asm inc eax
   117 	__asm inc eax
   118 	__asm inc eax
   119 	__asm inc eax
   120 	__asm inc eax
   121 	__asm inc eax
   122 	__asm inc eax
   123 	__asm inc eax
   124 	__asm inc eax
   125 	__asm inc eax
   126 	__asm inc eax
   127 	__asm inc eax
   128 	__asm inc eax
   129 	__asm inc eax
   130 	__asm inc eax
   131 	__asm inc eax
   132 	__asm inc eax
   133 	__asm inc eax
   134 	__asm inc eax
   135 	__asm inc eax
   136 	__asm inc eax
   137 	__asm inc eax
   138 	__asm inc eax
   139 	__asm inc eax
   140 	__asm inc eax
   141 	__asm inc eax
   142 	__asm inc eax
   143 	__asm inc eax
   144 	__asm inc eax
   145 	__asm inc eax
   146 	__asm inc eax
   147 	__asm inc eax
   148 	__asm inc eax
   149 	__asm inc eax
   150 	__asm inc eax
   151 	__asm inc eax
   152 	__asm inc eax
   153 	__asm inc eax
   154 	__asm inc eax
   155 	__asm inc eax
   156 	__asm inc eax
   157 	__asm inc eax
   158 	__asm inc eax
   159 	__asm inc eax
   160 	__asm inc eax
   161 	__asm inc eax
   162 	__asm inc eax
   163 	__asm inc eax
   164 	__asm inc eax
   165 	__asm inc eax
   166 	__asm inc eax
   167 	__asm inc eax
   168 	__asm inc eax
   169 	__asm inc eax
   170 	__asm inc eax
   171 	__asm inc eax
   172 	__asm inc eax
   173 	__asm inc eax
   174 	__asm inc eax
   175 	__asm inc eax
   176 	__asm inc eax
   177 	__asm inc eax
   178 	__asm inc eax
   179 	__asm add eax, 3
   180 	__asm mov [edx], eax
   181 	__asm jmp noploop
   182 #else
   183 	asm("mov edx, %a0": : "i"(&NopCount));
   184 	asm("mov eax, 0");
   185 	asm("noploop:");
   186 	asm("inc eax");
   187 	asm("inc eax");
   188 	asm("inc eax");
   189 	asm("inc eax");
   190 	asm("inc eax");
   191 	asm("inc eax");
   192 	asm("inc eax");
   193 	asm("inc eax");
   194 	asm("inc eax");
   195 	asm("inc eax");
   196 	asm("inc eax");
   197 	asm("inc eax");
   198 	asm("inc eax");
   199 	asm("inc eax");
   200 	asm("inc eax");
   201 	asm("inc eax");
   202 	asm("inc eax");
   203 	asm("inc eax");
   204 	asm("inc eax");
   205 	asm("inc eax");
   206 	asm("inc eax");
   207 	asm("inc eax");
   208 	asm("inc eax");
   209 	asm("inc eax");
   210 	asm("inc eax");
   211 	asm("inc eax");
   212 	asm("inc eax");
   213 	asm("inc eax");
   214 	asm("inc eax");
   215 	asm("inc eax");
   216 	asm("inc eax");
   217 	asm("inc eax");
   218 	asm("inc eax");
   219 	asm("inc eax");
   220 	asm("inc eax");
   221 	asm("inc eax");
   222 	asm("inc eax");
   223 	asm("inc eax");
   224 	asm("inc eax");
   225 	asm("inc eax");
   226 	asm("inc eax");
   227 	asm("inc eax");
   228 	asm("inc eax");
   229 	asm("inc eax");
   230 	asm("inc eax");
   231 	asm("inc eax");
   232 	asm("inc eax");
   233 	asm("inc eax");
   234 	asm("inc eax");
   235 	asm("inc eax");
   236 	asm("inc eax");
   237 	asm("inc eax");
   238 	asm("inc eax");
   239 	asm("inc eax");
   240 	asm("inc eax");
   241 	asm("inc eax");
   242 	asm("inc eax");
   243 	asm("inc eax");
   244 	asm("inc eax");
   245 	asm("inc eax");
   246 	asm("inc eax");
   247 	asm("inc eax");
   248 	asm("inc eax");
   249 	asm("inc eax");
   250 	asm("add eax, 3");
   251 	asm("mov [edx], eax");
   252 	asm("jmp noploop");
   253 #endif
   254 	}
   255 #endif
   256