Commit e17bc6f3becfd63163756a6112aed0e86d8631ed
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a8278bd494
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pagef
Showing 2 changed files with 2 additions and 2 deletions Side-by-side Diff
memory/pagefault.c
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e17bc6f
| ... | ... | @@ -20,7 +20,7 @@ |
| 20 | 20 | |
| 21 | 21 | int fd1, fd2; |
| 22 | 22 | char *addr1, *addr2; |
| 23 | - register volatile int c; | |
| 23 | + register volatile int c=0; | |
| 24 | 24 | int i, j; |
| 25 | 25 | unsigned s_t, e_t, t=0; |
| 26 | 26 | |
| ... | ... | @@ -63,7 +63,7 @@ |
| 63 | 63 | j = 32; |
| 64 | 64 | for(i = 0; i < 100; i=i++){ |
| 65 | 65 | asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (s_t)); |
| 66 | - c = (addr1[i + j*4*KB]); // read at multiple of page size, so every read causes a page fault | |
| 66 | + c+= (addr1[i + j*4*KB]); // read at multiple of page size, so every read causes a page fault | |
| 67 | 67 | j = j*2; |
| 68 | 68 | //c = c+1; |
| 69 | 69 | asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (e_t)); |
memory/pagefault.o
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e17bc6f