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 37