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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 352 | giacomo | 1 | #include <stdlib.h> |
| 2 | #include <tracer.h> |
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| 3 | |||
| 362 | giacomo | 4 | void *StartTracerBuffer; // Buffer Start |
| 5 | void *EndTracerBuffer; // Buffer End |
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| 6 | void *LastBeforeEndTracerBuffer; |
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| 7 | void *CurrentTracerBuffer; //The Actual Write Point For The Next Event |
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| 8 | void *FirstTracerBuffer; //The First Valid Event |
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| 9 | |||
| 352 | giacomo | 10 | int TracerActive = 0; |
| 11 | unsigned long long TracerEventsRecorded; |
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| 12 | extern unsigned int clk_per_msec; |
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| 13 | |||
| 14 | /* Initialize the tracer |
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| 15 | * |
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| 16 | * Return 0 => Success |
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| 17 | * Return 1 => Fail |
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| 18 | */ |
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| 19 | int tracer_initialize(int OutputType, int MemorySize) |
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| 20 | { |
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| 21 | |||
| 22 | SYS_FLAGS f; |
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| 23 | |||
| 24 | f = ll_fsave(); |
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| 25 | |||
| 26 | StartTracerBuffer = malloc(MemorySize); |
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| 27 | if (!StartTracerBuffer) { |
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| 28 | ll_frestore(f); |
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| 29 | return 1; |
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| 30 | } |
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| 31 | |||
| 32 | EndTracerBuffer = StartTracerBuffer + MemorySize - 1; |
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| 33 | CurrentTracerBuffer = StartTracerBuffer; |
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| 362 | giacomo | 34 | FirstTracerBuffer = StartTracerBuffer; |
| 35 | LastBeforeEndTracerBuffer = EndTracerBuffer; |
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| 352 | giacomo | 36 | |
| 37 | TracerActive = 0; |
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| 38 | TracerEventsRecorded = 0; |
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| 39 | |||
| 40 | ll_frestore(f); |
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| 41 | return 0; |
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| 42 | |||
| 43 | } |
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| 44 | |||
| 45 | void tracer_enable() { |
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| 46 | |||
| 47 | SYS_FLAGS f; |
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| 48 | |||
| 49 | f = ll_fsave(); |
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| 50 | |||
| 51 | TracerActive = 1; |
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| 52 | |||
| 53 | ll_frestore(f); |
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| 54 | |||
| 55 | } |
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| 56 | |||
| 57 | void tracer_disable() { |
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| 58 | |||
| 59 | SYS_FLAGS f; |
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| 60 | |||
| 61 | f = ll_fsave(); |
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| 62 | |||
| 63 | TracerActive = 0; |
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| 64 | |||
| 65 | ll_frestore(f); |
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| 66 | |||
| 67 | } |
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| 68 | |||
| 69 | void tracer_print_statistics() { |
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| 70 | |||
| 71 | SYS_FLAGS f; |
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| 72 | void *p; |
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| 362 | giacomo | 73 | int i,t; |
| 352 | giacomo | 74 | |
| 362 | giacomo | 75 | f = ll_fsave(); |
| 352 | giacomo | 76 | |
| 362 | giacomo | 77 | cprintf("Start Tracer Buffer: %08x\n",(int)StartTracerBuffer); |
| 78 | cprintf("End Tracer Buffer: %08x\n",(int)EndTracerBuffer); |
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| 79 | cprintf("Current Tracer Buffer: %08x\n",(int)CurrentTracerBuffer); |
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| 80 | cprintf("First Tracer Buffer: %08x\n",(int)FirstTracerBuffer); |
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| 81 | cprintf("Last Before End Tracer Buffer: %08x\n\n",(int)LastBeforeEndTracerBuffer); |
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| 352 | giacomo | 82 | |
| 362 | giacomo | 83 | cprintf("Total Events: %d\n",(int)TracerEventsRecorded); |
| 352 | giacomo | 84 | |
| 85 | for (i=0; i<0xFF; i++) { |
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| 362 | giacomo | 86 | p = FirstTracerBuffer; |
| 352 | giacomo | 87 | t = 0; |
| 362 | giacomo | 88 | while(p != CurrentTracerBuffer) { |
| 352 | giacomo | 89 | if (*(BYTE *)p == i) t++; |
| 362 | giacomo | 90 | if (*(BYTE *)p != 0) { |
| 91 | p += *(BYTE *)(p + 9); |
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| 92 | if (p >= LastBeforeEndTracerBuffer) p = StartTracerBuffer; |
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| 93 | } else { |
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| 94 | p = StartTracerBuffer; |
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| 95 | } |
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| 352 | giacomo | 96 | } |
| 97 | if (t != 0) |
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| 98 | cprintf("Event type %02x => %d\n",i,t); |
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| 99 | } |
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| 100 | |||
| 101 | ll_frestore(f); |
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| 102 | |||
| 103 | } |