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1 /* |
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2 * Copyright (c) 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 the License "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 #include <syborg_priv.h> |
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19 |
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20 // |
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21 // Timer Access Functions |
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22 // |
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23 |
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24 // Set the starting count value for a timer |
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25 EXPORT_C void __NAKED__ TSyborg::SetTimerLoad(TUint /*aTimerBase*/, TUint32 /*aValue*/) |
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26 { |
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27 asm("str r1, [r0, #12]"); |
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28 asm("bx lr"); |
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29 } |
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30 |
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31 // Read the load register (starting count value) |
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32 EXPORT_C TUint __NAKED__ TSyborg::TimerLoad(TUint /*aTimerBase*/) |
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33 { |
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34 asm("ldr r0, [r0, #12]"); |
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35 asm("bx lr"); |
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36 } |
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37 |
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38 // Read the actual timer value |
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39 EXPORT_C TUint __NAKED__ TSyborg::TimerValue(TUint /*aTimerBase*/) |
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40 { |
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41 asm("ldr r0, [r0, #16]"); |
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42 asm("bx lr"); |
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43 } |
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44 |
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45 // Clear the timer interrupt by writing a value to Timer x clear register |
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46 // The written value doesn't matter as any value will clear the interrupt. |
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47 EXPORT_C void __NAKED__ TSyborg::ClearTimerInt(TUint /*aTimerBase*/) |
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48 { |
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49 asm("mov r1, #1"); |
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50 asm("str r1, [r0, #24]"); |
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51 asm("bx lr"); |
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52 } |
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53 |
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54 // |
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55 //Interrupt Controller Acces Functions |
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56 // |
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57 |
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58 // Enable specified motherboard Int on either the PIC/SIC |
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59 EXPORT_C void __NAKED__ TSyborg::EnableInt(TUint /*anId*/) |
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60 { |
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61 asm("ldr r1, __KHwInt"); |
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62 asm("str r0, [r1, #20]"); |
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63 asm("bx lr"); |
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64 } |
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65 |
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66 // Disable specified motherboard Int on either the PIC/SIC |
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67 EXPORT_C void __NAKED__ TSyborg::DisableInt(TUint /*anId*/) |
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68 { |
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69 asm("ldr r1, __KHwInt"); |
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70 asm("str r0, [r1, #16]"); |
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71 asm("bx lr"); |
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72 |
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73 asm("__KHwInt:"); |
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74 asm(".word %a0" : : "i" (TInt)(KHwBaseSic)); |
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75 } |