| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <linux/kernel.h> |
| 3 | #include <linux/sched.h> |
| 4 | #include <linux/types.h> |
| 5 | #include <asm/byteorder.h> |
| 6 | #include <asm/fpu.h> |
| 7 | |
| 8 | #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ |
| 9 | ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al))) |
| 10 | |
| 11 | #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ |
| 12 | ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl))) |
| 13 | |
| 14 | #define umul_ppmm(wh, wl, u, v) \ |
| 15 | __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \ |
| 16 | : "=r" ((UDItype)(wh)), \ |
| 17 | "=&r" ((UDItype)(wl)) \ |
| 18 | : "r" ((UDItype)(u)), \ |
| 19 | "r" ((UDItype)(v))) |
| 20 | |
| 21 | #define udiv_qrnnd(q, r, n1, n0, d) \ |
| 22 | do { unsigned long __r; \ |
| 23 | (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ |
| 24 | (r) = __r; \ |
| 25 | } while (0) |
| 26 | extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, |
| 27 | unsigned long , unsigned long); |
| 28 | |
| 29 | #define UDIV_NEEDS_NORMALIZATION 1 |
| 30 | |
| 31 | #define abort() goto bad_insn |
| 32 | |
| 33 | #ifndef __LITTLE_ENDIAN |
| 34 | #define __LITTLE_ENDIAN -1 |
| 35 | #endif |
| 36 | #define __BYTE_ORDER __LITTLE_ENDIAN |