1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* !! 2 #include <linux/kernel.h>
3 * These are copied from glibc/stdlib/longlong !! 3 #include <linux/sched.h>
4 */ !! 4 #include <linux/types.h>
>> 5 #include <asm/byteorder.h>
>> 6 #include <asm/fpu.h>
5 7
6 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ 8 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
7 do { !! 9 ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
8 UWtype __x; <<
9 __x = (al) + (bl); <<
10 (sh) = (ah) + (bh) + (__x < (al)); <<
11 (sl) = __x; <<
12 } while (0) <<
13 10
14 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ 11 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
15 do { !! 12 ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
16 UWtype __x; <<
17 __x = (al) - (bl); <<
18 (sh) = (ah) - (bh) - (__x > (al)); <<
19 (sl) = __x; <<
20 } while (0) <<
21 13
22 #define umul_ppmm(w1, w0, u, v) \ !! 14 #define umul_ppmm(wh, wl, u, v) \
23 __asm__ ("dmulu.l %2,%3\n\tsts macl,%1\n\ !! 15 __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \
24 : "=r" ((u32)(w1)), "=r" ((u32)(w0)) !! 16 : "=r" ((UDItype)(wh)), \
25 : "r" ((u32)(u)), "r" ((u32)(v)) !! 17 "=&r" ((UDItype)(wl)) \
26 : "macl", "mach") !! 18 : "r" ((UDItype)(u)), \
27 !! 19 "r" ((UDItype)(v)))
28 #define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2 !! 20
29 #define __ll_lowpart(t) ((UWtype) (t) & (__ll_ !! 21 #define udiv_qrnnd(q, r, n1, n0, d) \
30 #define __ll_highpart(t) ((UWtype) (t) >> (W_T !! 22 do { unsigned long __r; \
31 !! 23 (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \
32 #define udiv_qrnnd(q, r, n1, n0, d) \ !! 24 (r) = __r; \
33 do { <<
34 UWtype __d1, __d0, __q1, __q0; <<
35 UWtype __r1, __r0, __m; <<
36 __d1 = __ll_highpart (d); <<
37 __d0 = __ll_lowpart (d); <<
38 <<
39 __r1 = (n1) % __d1; <<
40 __q1 = (n1) / __d1; <<
41 __m = (UWtype) __q1 * __d0; <<
42 __r1 = __r1 * __ll_B | __ll_highpart (n0); <<
43 if (__r1 < __m) <<
44 { <<
45 __q1--, __r1 += (d); <<
46 if (__r1 >= (d)) /* i.e. we didn't get <<
47 if (__r1 < __m) <<
48 __q1--, __r1 += (d); <<
49 } <<
50 __r1 -= __m; <<
51 <<
52 __r0 = __r1 % __d1; <<
53 __q0 = __r1 / __d1; <<
54 __m = (UWtype) __q0 * __d0; <<
55 __r0 = __r0 * __ll_B | __ll_lowpart (n0); <<
56 if (__r0 < __m) <<
57 { <<
58 __q0--, __r0 += (d); <<
59 if (__r0 >= (d)) <<
60 if (__r0 < __m) <<
61 __q0--, __r0 += (d); <<
62 } <<
63 __r0 -= __m; <<
64 <<
65 (q) = (UWtype) __q1 * __ll_B | __q0; <<
66 (r) = __r0; <<
67 } while (0) 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
68 32
69 #define abort() return 0 !! 33 #ifndef __LITTLE_ENDIAN
>> 34 #define __LITTLE_ENDIAN -1
>> 35 #endif
>> 36 #define __BYTE_ORDER __LITTLE_ENDIAN
70 37
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