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Last change
on this file since 27 was
1,
checked in by buchmann, 17 years ago
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Initial import from CVS repository
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File size:
979 bytes
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| Line | |
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| 1 | extern char s[]; |
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| 2 | extern int waitInt; |
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| 3 | extern void itoa(int,char*); |
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| 4 | |
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| 5 | void SwitchOnIt(int it) |
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| 6 | { |
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| 7 | int i,ti; |
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| 8 | int *timer=(int*)0xB0000000; |
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| 9 | |
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| 10 | /* Identify the active interrupt of highest priority */ |
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| 11 | for (i=0; i<8; i++) |
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| 12 | if (it&(1<<i)) |
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| 13 | break; |
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| 14 | |
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| 15 | switch (i) { |
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| 16 | case 0: /* SwIt 0 */ |
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| 17 | break; |
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| 18 | case 1: /* SwIt 1 */ |
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| 19 | break; |
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| 20 | case 2: { /* It 0 */ |
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| 21 | int CPU = procnum() << 2; |
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| 22 | int current_time=timer[0 | CPU]; |
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| 23 | uputs("timer interrupt acknowledge at :",procnum()); |
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| 24 | itoa(current_time,s); |
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| 25 | uputs(s,procnum()); |
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| 26 | uputs("",procnum()); |
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| 27 | timer[3 | CPU] = 0; // reset timer irq |
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| 28 | break; |
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| 29 | } |
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| 30 | case 3: /* It 1 */ |
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| 31 | break; |
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| 32 | case 4: /* It 2 */ |
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| 33 | break; |
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| 34 | case 5: /* It 3 */ |
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| 35 | break; |
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| 36 | case 6: /* It 4 */ |
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| 37 | break; |
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| 38 | case 7: /* It 5 */ |
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| 39 | break; |
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| 40 | default: |
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| 41 | break; |
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| 42 | } |
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| 43 | } |
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