projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 1da177e4 LT |
2 | #include <linux/types.h> |
| 3 | #include <linux/errno.h> | |
| 7c0f6ba6 | 4 | #include <linux/uaccess.h> |
| 1da177e4 | 5 | |
| d2b194ed KG |
6 | #include <asm/sfp-machine.h> |
| 7 | #include <math-emu/soft-fp.h> | |
| 8 | #include <math-emu/double.h> | |
| 9 | #include <math-emu/single.h> | |
| 1da177e4 LT |
10 | |
| 11 | int | |
| 12 | fsqrts(void *frD, void *frB) | |
| 13 | { | |
| 14 | FP_DECL_D(B); | |
| 15 | FP_DECL_D(R); | |
| d2b194ed | 16 | FP_DECL_EX; |
| 1da177e4 LT |
17 | |
| 18 | #ifdef DEBUG | |
| e48b1b45 | 19 | printk("%s: %p %p %p %p\n", __func__, frD, frB); |
| 1da177e4 LT |
20 | #endif |
| 21 | ||
| d2b194ed | 22 | FP_UNPACK_DP(B, frB); |
| 1da177e4 LT |
23 | |
| 24 | #ifdef DEBUG | |
| 25 | printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); | |
| 26 | #endif | |
| 27 | ||
| 28 | if (B_s && B_c != FP_CLS_ZERO) | |
| 033b8a33 | 29 | FP_SET_EXCEPTION(EFLAG_VXSQRT); |
| 1da177e4 | 30 | if (B_c == FP_CLS_NAN) |
| 033b8a33 | 31 | FP_SET_EXCEPTION(EFLAG_VXSNAN); |
| 1da177e4 LT |
32 | |
| 33 | FP_SQRT_D(R, B); | |
| 34 | ||
| 35 | #ifdef DEBUG | |
| 36 | printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); | |
| 37 | #endif | |
| 38 | ||
| d2b194ed KG |
39 | __FP_PACK_DS(frD, R); |
| 40 | ||
| 41 | return FP_CUR_EXCEPTIONS; | |
| 1da177e4 | 42 | } |