| #include <linux/types.h> | |
| #include <linux/errno.h> | |
| #include <asm/uaccess.h> | |
| #include "soft-fp.h" | |
| int | |
| mtfsf(unsigned int FM, u32 *frB) | |
| { | |
| u32 mask; | |
| if (FM == 0) | |
| return 0; | |
| if (FM == 0xff) | |
| mask = 0x9fffffff; | |
| else { | |
| mask = 0; | |
| if (FM & (1 << 0)) | |
| mask |= 0x90000000; | |
| if (FM & (1 << 1)) | |
| mask |= 0x0f000000; | |
| if (FM & (1 << 2)) | |
| mask |= 0x00f00000; | |
| if (FM & (1 << 3)) | |
| mask |= 0x000f0000; | |
| if (FM & (1 << 4)) | |
| mask |= 0x0000f000; | |
| if (FM & (1 << 5)) | |
| mask |= 0x00000f00; | |
| if (FM & (1 << 6)) | |
| mask |= 0x000000f0; | |
| if (FM & (1 << 7)) | |
| mask |= 0x0000000f; | |
| } | |
| __FPU_FPSCR &= ~(mask); | |
| __FPU_FPSCR |= (frB[1] & mask); | |
| #ifdef DEBUG | |
| printk("%s: %02x %p: %08lx\n", __func__, FM, frB, __FPU_FPSCR); | |
| #endif | |
| return 0; | |
| } |