163,7 → 163,7 |
# define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ |
#endif |
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#define COUNTER_END 300 |
#define COUNTER_END 100 |
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#define barrier() __asm__ __volatile__("" ::: "memory"); |
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179,7 → 179,7 |
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cli(); |
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outp(0x61,0x03); |
outp(0x61, (inp(0x61) & ~0x02) | 0x01); |
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outp(0x43,0xB0); /* binary, mode 0, LSB/MSB, Ch 2 */ |
outp(0x42,0xFF); /* LSB of count */ |
203,30 → 203,6 |
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} while (end_8253 > COUNTER_END); |
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outp(0x43,0x00); |
end_8253 = inp(0x42); |
end_8253 |= inp(0x42) << 8; |
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do { |
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outp(0x43,0x00); |
end_8253 = inp(0x42); |
end_8253 |= inp(0x42) << 8; |
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} while (end_8253 <= COUNTER_END); |
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outp(0x43,0x00); |
end_8253 = inp(0x42); |
end_8253 |= inp(0x42) << 8; |
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do { |
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outp(0x43,0x00); |
end_8253 = inp(0x42); |
end_8253 |= inp(0x42) << 8; |
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} while (end_8253 > COUNTER_END); |
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barrier(); |
rdtscll(end); |
barrier(); |
237,13 → 213,11 |
rdtscll(end); |
barrier(); |
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outp(0x61,0x00); |
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//Delta TSC |
dtsc = end - start; |
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//Delta PIT |
delta_8253 = start_8253 - end_8253 + 0x10000; |
delta_8253 = start_8253 - end_8253; |
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if (delta_8253 > 0x20000) { |
message("Error calculating Delta PIT\n"); |