| #include <linux/types.h> |
| #include <linux/errno.h> |
| #include <asm/uaccess.h> |
| |
| #include "soft-fp.h" |
| |
| int |
| mcrfs(u32 *ccr, u32 crfD, u32 crfS) |
| { |
| u32 value, clear; |
| |
| #ifdef DEBUG |
| printk("%s: %p (%08x) %d %d\n", __func__, ccr, *ccr, crfD, crfS); |
| #endif |
| |
| clear = 15 << ((7 - crfS) << 2); |
| if (!crfS) |
| clear = 0x90000000; |
| |
| value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15; |
| __FPU_FPSCR &= ~(clear); |
| |
| *ccr &= ~(15 << ((7 - crfD) << 2)); |
| *ccr |= (value << ((7 - crfD) << 2)); |
| |
| #ifdef DEBUG |
| printk("CR: %08x\n", __func__, *ccr); |
| #endif |
| |
| return 0; |
| } |