| #include <linux/types.h> |
| #include <linux/errno.h> |
| #include <asm/uaccess.h> |
| |
| #include "soft-fp.h" |
| #include "double.h" |
| #include "single.h" |
| |
| int |
| lfs(void *frD, void *ea) |
| { |
| FP_DECL_D(R); |
| FP_DECL_S(A); |
| float f; |
| |
| #ifdef DEBUG |
| printk("%s: D %p, ea %p\n", __func__, frD, ea); |
| #endif |
| |
| if (copy_from_user(&f, ea, sizeof(float))) |
| return -EFAULT; |
| |
| __FP_UNPACK_S(A, &f); |
| |
| #ifdef DEBUG |
| printk("A: %ld %lu %ld (%ld) [%08lx]\n", A_s, A_f, A_e, A_c, |
| *(unsigned long *)&f); |
| #endif |
| |
| FP_CONV(D, S, 2, 1, R, A); |
| |
| #ifdef DEBUG |
| printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); |
| #endif |
| |
| return __FP_PACK_D(frD, R); |
| } |