18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#include <linux/kernel.h> 38c2ecf20Sopenharmony_ci#include <linux/sched.h> 48c2ecf20Sopenharmony_ci#include <linux/types.h> 58c2ecf20Sopenharmony_ci#include <asm/byteorder.h> 68c2ecf20Sopenharmony_ci#include <asm/fpu.h> 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ 98c2ecf20Sopenharmony_ci ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al))) 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ 128c2ecf20Sopenharmony_ci ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl))) 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci#define umul_ppmm(wh, wl, u, v) \ 158c2ecf20Sopenharmony_ci __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \ 168c2ecf20Sopenharmony_ci : "=r" ((UDItype)(wh)), \ 178c2ecf20Sopenharmony_ci "=&r" ((UDItype)(wl)) \ 188c2ecf20Sopenharmony_ci : "r" ((UDItype)(u)), \ 198c2ecf20Sopenharmony_ci "r" ((UDItype)(v))) 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci#define udiv_qrnnd(q, r, n1, n0, d) \ 228c2ecf20Sopenharmony_ci do { unsigned long __r; \ 238c2ecf20Sopenharmony_ci (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \ 248c2ecf20Sopenharmony_ci (r) = __r; \ 258c2ecf20Sopenharmony_ci } while (0) 268c2ecf20Sopenharmony_ciextern unsigned long __udiv_qrnnd (unsigned long *, unsigned long, 278c2ecf20Sopenharmony_ci unsigned long , unsigned long); 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci#define UDIV_NEEDS_NORMALIZATION 1 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci#define abort() goto bad_insn 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci#ifndef __LITTLE_ENDIAN 348c2ecf20Sopenharmony_ci#define __LITTLE_ENDIAN -1 358c2ecf20Sopenharmony_ci#endif 368c2ecf20Sopenharmony_ci#define __BYTE_ORDER __LITTLE_ENDIAN 37