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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <e32cmn.h> |
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20 |
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21 // Call our implementations of memcpy/move/set/clr rather than the ARM supplied |
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22 // ones. |
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23 // |
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24 // Note that the AEABI switched the order of arg2 and arg3 to save an intruction |
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25 // when calling 'memset' from 'memclr'. |
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26 // |
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27 // Prototypes are: |
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28 // void __aeabi_memset8(TAny* aTrg, unsigned int aLength, TInt aValue); |
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29 // void __aeabi_memset4(TAny* aTrg, unsigned int aLength, TInt aValue); |
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30 // void __aeabi_memset(TAny* aTrg, unsigned int aLength, TInt aValue); |
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31 |
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32 extern "C" __NAKED__ void make_mem_functions_call_euser_versions() |
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33 { |
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34 asm(".global __aeabi_memset8 "); |
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35 asm("__aeabi_memset8: "); |
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36 asm(".global __aeabi_memset4 "); |
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37 asm("__aeabi_memset4: "); |
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38 asm(".global __aeabi_memset "); |
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39 asm("__aeabi_memset: "); |
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40 asm(" mov r3, r1 "); |
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41 asm(" mov r1, r2 "); |
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42 asm(" mov r2, r3 "); |
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43 asm(" b memset "); |
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44 |
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45 asm(".global __aeabi_memclr8 "); |
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46 asm("__aeabi_memclr8: "); |
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47 asm(".global __aeabi_memclr4 "); |
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48 asm("__aeabi_memclr4: "); |
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49 asm(".global __aeabi_memclr "); |
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50 asm("__aeabi_memclr: "); |
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51 asm(" b memclr "); |
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52 |
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53 asm(".global __aeabi_memcpy8 "); |
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54 asm("__aeabi_memcpy8: "); |
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55 asm(".global __aeabi_memcpy4 "); |
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56 asm("__aeabi_memcpy4: "); |
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57 asm(".global __aeabi_memcpy "); |
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58 asm("__aeabi_memcpy: "); |
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59 asm(" b memcpy "); |
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60 |
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61 asm(".global __aeabi_memmove8 "); |
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62 asm("__aeabi_memmove8: "); |
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63 asm(".global __aeabi_memmove4 "); |
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64 asm("__aeabi_memmove4: "); |
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65 asm(".global __aeabi_memmove "); |
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66 asm("__aeabi_memmove: "); |
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67 asm(" b memmove "); |
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68 } |