162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * unsigned long __xdiv64_32(unsigned long long n, unsigned long d); 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <linux/linkage.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci.text 962306a36Sopenharmony_ciENTRY(__xdiv64_32) 1062306a36Sopenharmony_ci#ifdef CONFIG_CPU_LITTLE_ENDIAN 1162306a36Sopenharmony_ci mov r4, r0 1262306a36Sopenharmony_ci mov r5, r1 1362306a36Sopenharmony_ci#else 1462306a36Sopenharmony_ci mov r4, r1 1562306a36Sopenharmony_ci mov r5, r0 1662306a36Sopenharmony_ci#endif 1762306a36Sopenharmony_ci cmp/hs r6, r1 1862306a36Sopenharmony_ci bf.s 1f 1962306a36Sopenharmony_ci mov #0, r2 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci mov r1, r2 2262306a36Sopenharmony_ci mov #0, r3 2362306a36Sopenharmony_ci div0u 2462306a36Sopenharmony_ci .rept 32 2562306a36Sopenharmony_ci rotcl r2 2662306a36Sopenharmony_ci div1 r6, r3 2762306a36Sopenharmony_ci .endr 2862306a36Sopenharmony_ci rotcl r2 2962306a36Sopenharmony_ci mul.l r6, r2 3062306a36Sopenharmony_ci sts macl, r3 3162306a36Sopenharmony_ci sub r3, r1 3262306a36Sopenharmony_ci1: 3362306a36Sopenharmony_ci div0u 3462306a36Sopenharmony_ci .rept 32 3562306a36Sopenharmony_ci rotcl r0 3662306a36Sopenharmony_ci div1 r6, r1 3762306a36Sopenharmony_ci .endr 3862306a36Sopenharmony_ci#ifdef CONFIG_CPU_LITTLE_ENDIAN 3962306a36Sopenharmony_ci mov r2, r1 4062306a36Sopenharmony_ci rts 4162306a36Sopenharmony_ci rotcl r0 4262306a36Sopenharmony_ci#else 4362306a36Sopenharmony_ci rotcl r0 4462306a36Sopenharmony_ci mov r0, r1 4562306a36Sopenharmony_ci rts 4662306a36Sopenharmony_ci mov r2, r0 4762306a36Sopenharmony_ci#endif 48