20 lines
497 B
C
20 lines
497 B
C
#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char *argv[]) {
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if (argc < 2) {
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printf("Usage: mem <ADDRESS>\n");
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return EXIT_FAILURE;
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}
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const unsigned long n = atoi(argv[1]);
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const unsigned long page = n >> 12; // equal to n / 2^12
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const unsigned long offset = n - (page << 12); // equal to n - (page * 2^12)
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printf("The address %lu contains:\n", n);
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printf("page number = %lu\n", page);
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printf("offset = %lu\n", offset);
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return EXIT_SUCCESS;
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}
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