4.104.114.84.95
Last change
on this file since 59a01a6e was
443f26d2,
checked in by Joel Sherrill <joel.sherrill@…>, on 09/22/00 at 20:36:01
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2000-09-22 Joel Sherrill <joel@…>
- clock/clock.S: Commented out non-GNU assembly.
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-
Property mode set to
100644
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File size:
1.8 KB
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1 | ; |
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2 | #if 0 |
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3 | ; .include "register.ah" |
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4 | .include "amd.ah" |
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5 | .include "pswmacro.ah" |
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6 | |
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7 | .text |
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8 | ; .equ IN,0x2000000 |
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9 | .reg CLOCK,gr78 |
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10 | .reg SECS,gr79 |
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11 | .equ CPUCLK,16 |
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12 | .equ RATE,100 |
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13 | .reg it0,gr64 |
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14 | .reg it1,gr65 |
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15 | .reg v0,gr96 |
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16 | timer_clear_sup: |
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17 | const it0,IN |
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18 | consth it0,IN |
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19 | mfsr it1,tmr |
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20 | andn it1,it1,it0 |
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21 | mtsr tmr,it1 |
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22 | const it0,RATE |
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23 | cplt it0,CLOCK,it0 |
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24 | jmpf it0,carry |
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25 | add CLOCK,CLOCK,1 |
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26 | iret |
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27 | carry: |
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28 | const CLOCK,0 |
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29 | add SECS,SECS,1 |
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30 | iret |
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31 | |
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32 | .equ TICKS,(CPUCLK*1000000/RATE) |
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33 | ; .equ IE,0x1000000 |
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34 | timer_init_sup: |
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35 | const it0,TICKS |
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36 | consth it0,TICKS |
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37 | mtsr tmc,it0 |
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38 | const it0,(IE|TICKS) |
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39 | consth it0,(IE|TICKS) |
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40 | mtsr tmr,it0 |
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41 | const SECS,0 |
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42 | const CLOCK,0 |
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43 | iret |
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44 | |
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45 | timer_get_sup: |
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46 | add gr96,SECS,0 |
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47 | iret |
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48 | |
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49 | timer_disable_sup: |
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50 | mfsr it0,ops |
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51 | const it1,TD |
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52 | consth it1,TD |
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53 | andn it0,it1,it0 |
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54 | mtsr ops,it0 |
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55 | iret |
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56 | #endif |
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57 | |
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58 | .global _a29k_init_timer |
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59 | _a29k_init_timer: |
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60 | #if 0 |
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61 | push msp,lr0 |
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62 | const lr2,INIT_TIMER |
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63 | consth lr2,INIT_TIMER |
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64 | const lr3,timer_init_sup |
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65 | consth lr3,timer_init_sup |
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66 | const v0,__settrap |
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67 | consth v0,__settrap |
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68 | calli lr0,v0 |
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69 | nop |
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70 | |
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71 | const lr2,CLEAR_TIMER |
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72 | consth lr2,CLEAR_TIMER |
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73 | const lr3,timer_clear_sup |
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74 | consth lr3,timer_clear_sup |
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75 | const v0,__settrap |
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76 | consth v0,__settrap |
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77 | calli lr0,v0 |
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78 | nop |
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79 | |
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80 | const lr2,DISABLE_TIMER |
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81 | consth lr2,DISABLE_TIMER |
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82 | const lr3,timer_disable_sup |
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83 | consth lr3,timer_disable_sup |
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84 | const v0,__settrap |
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85 | consth v0,__settrap |
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86 | calli lr0,v0 |
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87 | nop |
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88 | |
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89 | const lr2,GET_TIMER |
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90 | consth lr2,GET_TIMER |
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91 | const lr3,timer_get_sup |
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92 | consth lr3,timer_get_sup |
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93 | const v0,__settrap |
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94 | consth v0,__settrap |
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95 | calli lr0,v0 |
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96 | nop |
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97 | |
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98 | asneq INIT_TIMER,gr1,gr1 |
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99 | pop lr0,msp |
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100 | jmpi lr0 |
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101 | nop |
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102 | #endif |
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103 | |
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104 | .global _a29k_clear_timer |
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105 | _a29k_clear_timer: |
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106 | #if 0 |
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107 | ; asneq CLEAR_TIMER,gr1,gr1 |
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108 | jmpi lr0 |
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109 | nop |
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110 | #endif |
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111 | |
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112 | .global _a29k_disable_timer |
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113 | _a29k_disable_timer: |
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114 | #if 0 |
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115 | asneq DISABLE_TIMER,gr1,gr1 |
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116 | jmpi lr0 |
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117 | nop |
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118 | #endif |
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119 | |
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120 | .global _a29k_get_timer |
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121 | _a29k_get_timer: |
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122 | #if 0 |
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123 | asneq GET_TIMER,gr1,gr1 |
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124 | jmpi lr0 |
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125 | nop |
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126 | #endif |
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