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| Source at commit 1406 created 12 years 10 months ago. By meklort, Revert drivers.c so that kexts are only loaded when OSBundleRequired is set and that value is not safe mode. Added some comments about it too. | |
|---|---|
| 1 | #include <stdint.h>␊ |
| 2 | ␊ |
| 3 | extern void __divide_error();␊ |
| 4 | uint32_t __udivmodsi4(uint32_t num, uint32_t den, uint32_t * rem_p)␊ |
| 5 | {␊ |
| 6 | ␉uint32_t quot = 0, qbit = 1;␊ |
| 7 | ␊ |
| 8 | ␉if (den == 0) {␊ |
| 9 | ␉␉__divide_error();␊ |
| 10 | ␉␉return 0;␉/* If trap returns... */␊ |
| 11 | ␉}␊ |
| 12 | ␊ |
| 13 | ␉/* Left-justify denominator and count shift */␊ |
| 14 | ␉while ((int32_t) den >= 0) {␊ |
| 15 | ␉␉den <<= 1;␊ |
| 16 | ␉␉qbit <<= 1;␊ |
| 17 | ␉}␊ |
| 18 | ␊ |
| 19 | ␉while (qbit) {␊ |
| 20 | ␉␉if (den <= num) {␊ |
| 21 | ␉␉␉num -= den;␊ |
| 22 | ␉␉␉quot += qbit;␊ |
| 23 | ␉␉}␊ |
| 24 | ␉␉den >>= 1;␊ |
| 25 | ␉␉qbit >>= 1;␊ |
| 26 | ␉}␊ |
| 27 | ␊ |
| 28 | ␉if (rem_p)␊ |
| 29 | ␉␉*rem_p = num;␊ |
| 30 | ␊ |
| 31 | ␉return quot;␊ |
| 32 | }␊ |
| 33 | |
