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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
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 | |
13da9e20 LT |
32 | |
33 | #ifndef __LITTLE_ENDIAN | |
34 | #define __LITTLE_ENDIAN -1 | |
35 | #endif | |
36 | #define __BYTE_ORDER __LITTLE_ENDIAN |