FreeCalypso > hg > fc-tourmaline
annotate src/cs/system/main/gcc/int_dummy.S @ 169:adae850f9857
mmiSimToolkit.c: formatting fixes
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 17 Jan 2021 23:43:19 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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1 /* |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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2 * This assembly module contains a few dummy INT_*() functions |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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3 * which are needed by Nucleus (tcc.c) but aren't used in TI's |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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4 * environment. This code used to be in the big messy int.s |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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5 * assembly module in the original version. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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6 */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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7 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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8 .text |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 .code 32 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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10 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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11 /*************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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12 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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13 /* FUNCTION */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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14 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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15 /* INT_Vectors_Loaded */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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16 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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17 /* DESCRIPTION */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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18 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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19 /* This function returns the flag that indicates whether or not */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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20 /* all the default vectors have been loaded. If it is false, */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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21 /* each LISR register also loads the ISR shell into the actual */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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22 /* vector table. */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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23 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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24 /* AUTHOR */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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25 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 /* Barry Sellew, Accelerated Technology, Inc. */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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28 /* CALLED BY */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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29 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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30 /* TCC_Register_LISR Register LISR for vector */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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31 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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32 /* CALLS */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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33 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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34 /* None */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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35 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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36 /* INPUTS */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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37 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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38 /* None */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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39 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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40 /* OUTPUTS */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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41 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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42 /* None */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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43 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 /* HISTORY */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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45 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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46 /* NAME DATE REMARKS */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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47 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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48 /* B. Sellew 01-19-1996 Created initial version 1.0 */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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49 /* B. Sellew 01-22-1996 Verified version 1.0 */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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50 /* */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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51 /*************************************************************************/ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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52 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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53 @INT INT_Vectors_Loaded(void) |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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54 @{ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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55 .globl INT_Vectors_Loaded |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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56 INT_Vectors_Loaded: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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57 @ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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58 @ /* Just return the loaded vectors flag. */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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59 @ return(INT_Loaded_Flag); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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60 @ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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61 MOV a1,#1 @ Always return TRUE since there |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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62 @ are really only two normal |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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63 @ vectors IRQ & FIQ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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64 BX lr @ Return to caller |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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65 @} |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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66 |
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parents:
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67 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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68 /*************************************************************************/ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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69 /* */ |
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70 /* FUNCTION */ |
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71 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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72 /* INT_Setup_Vector */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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73 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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74 /* DESCRIPTION */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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75 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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76 /* This function sets up the specified vector with the new vector */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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77 /* value. The previous vector value is returned to the caller. */ |
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parents:
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78 /* */ |
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79 /* AUTHOR */ |
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80 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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81 /* Barry Sellew, Accelerated Technology, Inc. */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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82 /* */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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83 /* CALLED BY */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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84 /* */ |
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parents:
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85 /* Application */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 /* TCC_Register_LISR Register LISR for vector */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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87 /* */ |
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parents:
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88 /* CALLS */ |
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parents:
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89 /* */ |
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parents:
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90 /* None */ |
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91 /* */ |
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92 /* INPUTS */ |
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parents:
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93 /* */ |
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94 /* vector Vector number to setup */ |
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Mychaela Falconia <falcon@freecalypso.org>
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95 /* new Pointer to new assembly */ |
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Mychaela Falconia <falcon@freecalypso.org>
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96 /* language ISR */ |
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parents:
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97 /* */ |
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parents:
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98 /* OUTPUTS */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 /* */ |
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100 /* old vector contents */ |
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101 /* */ |
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102 /* HISTORY */ |
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103 /* */ |
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104 /* NAME DATE REMARKS */ |
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105 /* */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 /* B. Sellew 01-19-1996 Created initial version 1.0 */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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107 /* B. Sellew 01-22-1996 Verified version 1.0 */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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108 /* */ |
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109 /*************************************************************************/ |
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110 |
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111 @VOID *INT_Setup_Vector(INT vector, VOID *new) |
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112 @{ |
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113 .globl INT_Setup_Vector |
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114 INT_Setup_Vector: |
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115 @ |
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116 @VOID *old_vector; /* Old interrupt vector */ |
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117 @VOID **vector_table; /* Pointer to vector table */ |
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118 @ |
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119 @ /* Calculate the starting address of the actual vector table. */ |
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120 @ vector_table = (VOID **) 0; |
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121 @ |
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122 @ /* Pickup the old interrupt vector. */ |
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123 @ old_vector = vector_table[vector]; |
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124 @ |
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125 @ /* Setup the new interrupt vector. */ |
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126 @ vector_table[vector] = new; |
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127 @ |
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128 @ /* Return the old interrupt vector. */ |
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129 @ return(old_vector); |
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130 @ |
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131 MOV a1,#0 @ This routine is not applicable to |
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132 @ THUMB, return a NULL pointer |
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133 BX lr @ Return to caller |
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134 @} |
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135 |
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136 |
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137 /*************************************************************************/ |
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138 /* */ |
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139 /* FUNCTION */ |
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140 /* */ |
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141 /* INT_Retrieve_Shell */ |
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142 /* */ |
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143 /* DESCRIPTION */ |
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144 /* */ |
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145 /* This function retrieves the pointer to the shell interrupt */ |
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146 /* service routine. The shell interrupt service routine calls */ |
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147 /* the LISR dispatch routine. */ |
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148 /* */ |
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149 /* AUTHOR */ |
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150 /* */ |
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151 /* Barry Sellew, Accelerated Technology, Inc. */ |
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152 /* */ |
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153 /* CALLED BY */ |
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154 /* */ |
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155 /* TCC_Register_LISR Register LISR for vector */ |
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156 /* */ |
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157 /* CALLS */ |
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158 /* */ |
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159 /* None */ |
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160 /* */ |
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161 /* INPUTS */ |
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162 /* */ |
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163 /* vector Vector number to setup */ |
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164 /* */ |
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165 /* OUTPUTS */ |
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166 /* */ |
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167 /* shell pointer */ |
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168 /* */ |
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169 /* HISTORY */ |
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170 /* */ |
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171 /* NAME DATE REMARKS */ |
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172 /* */ |
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173 /* B. Sellew 01-19-1996 Created initial version 1.0 */ |
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174 /* B. Sellew 01-22-1996 Verified version 1.0 */ |
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175 /* */ |
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176 /*************************************************************************/ |
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177 |
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178 @VOID *INT_Retrieve_Shell(INT vector) |
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179 @{ |
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180 .globl INT_Retrieve_Shell |
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181 INT_Retrieve_Shell: |
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182 @ |
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183 @ /* Return the LISR Shell interrupt routine. */ |
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184 @ return(INT_Vectors[vector]); |
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185 @ |
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186 MOV a1,#0 @ This routine is not applicable to |
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187 @ THUMB, return a NULL pointer |
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188 BX lr @ Return to caller |
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189 @} |