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