| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | #include <linux/types.h> |
| 3 | #include <linux/errno.h> |
| 4 | #include <linux/uaccess.h> |
| 5 | |
| 6 | #include <asm/sfp-machine.h> |
| 7 | #include <math-emu/soft-fp.h> |
| 8 | |
| 9 | int |
| 10 | mtfsfi(unsigned int crfD, unsigned int IMM) |
| 11 | { |
| 12 | u32 mask = 0xf; |
| 13 | |
| 14 | if (!crfD) |
| 15 | mask = 9; |
| 16 | |
| 17 | __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2)); |
| 18 | __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2); |
| 19 | |
| 20 | #ifdef DEBUG |
| 21 | printk("%s: %d %x: %08lx\n", __func__, crfD, IMM, __FPU_FPSCR); |
| 22 | #endif |
| 23 | |
| 24 | return 0; |
| 25 | } |