162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#include <linux/kernel.h> 362306a36Sopenharmony_ci#include <linux/sched.h> 462306a36Sopenharmony_ci#include <linux/types.h> 562306a36Sopenharmony_ci#include <asm/byteorder.h> 662306a36Sopenharmony_ci#include <asm/fpu.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ 962306a36Sopenharmony_ci ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al))) 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ 1262306a36Sopenharmony_ci ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl))) 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#define umul_ppmm(wh, wl, u, v) \ 1562306a36Sopenharmony_ci __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \ 1662306a36Sopenharmony_ci : "=r" ((UDItype)(wh)), \ 1762306a36Sopenharmony_ci "=&r" ((UDItype)(wl)) \ 1862306a36Sopenharmony_ci : "r" ((UDItype)(u)), \ 1962306a36Sopenharmony_ci "r" ((UDItype)(v))) 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci#define udiv_qrnnd(q, r, n1, n0, d) \ 2262306a36Sopenharmony_ci do { unsigned long __r; \ 2362306a36Sopenharmony_ci (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ 2462306a36Sopenharmony_ci (r) = __r; \ 2562306a36Sopenharmony_ci } while (0) 2662306a36Sopenharmony_ciextern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, 2762306a36Sopenharmony_ci unsigned long , unsigned long); 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci#define UDIV_NEEDS_NORMALIZATION 1 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci#define abort() goto bad_insn 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci#ifndef __LITTLE_ENDIAN 3462306a36Sopenharmony_ci#define __LITTLE_ENDIAN -1 3562306a36Sopenharmony_ci#endif 3662306a36Sopenharmony_ci#define __BYTE_ORDER __LITTLE_ENDIAN 37