| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #include <linux/types.h> |
| 3 | #include <linux/errno.h> |
| Linus Torvalds | 7c0f6ba | 2016-12-24 11:46:01 -0800 | [diff] [blame] | 4 | #include <linux/uaccess.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | |
| Kumar Gala | d2b194e | 2008-06-04 02:59:29 -0500 | [diff] [blame] | 6 | #include <asm/sfp-machine.h> |
| 7 | #include <math-emu/soft-fp.h> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| Harvey Harrison | e48b1b4 | 2008-03-29 08:21:07 +1100 | [diff] [blame] | 21 | printk("%s: %d %x: %08lx\n", __func__, crfD, IMM, __FPU_FPSCR); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #endif |
| 23 | |
| 24 | return 0; |
| 25 | } |