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1 | #include <stdio.h> |
2 | #include <sys/types.h> |
3 | #include <sys/stat.h> |
4 | #include <fcntl.h> |
5 | #include <sys/mman.h> |
6 | |
7 | int main() |
8 | { |
9 | volatile void *memregs; |
10 | int memdev; |
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11 | int i; |
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12 | |
13 | printf("hi\n"); |
14 | |
15 | memdev = open("/dev/mem", O_RDWR); |
16 | memregs = mmap(NULL, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); |
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17 | |
18 | for (i = 0; i < 2; i++) |
19 | printf("%02x %04x %08x\n", ((char *)memregs)[0x2011], |
20 | ((short *)memregs)[0x1198/2], ((int *)memregs)[0xbcdc/4]); |
21 | |
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22 | //sleep(1000); |
23 | |
24 | return 0; |
25 | } |
26 | |