162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Quadword loads and stores 462306a36Sopenharmony_ci * for use in instruction emulation. 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Copyright 2017 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <asm/processor.h> 1062306a36Sopenharmony_ci#include <asm/ppc_asm.h> 1162306a36Sopenharmony_ci#include <asm/ppc-opcode.h> 1262306a36Sopenharmony_ci#include <asm/reg.h> 1362306a36Sopenharmony_ci#include <asm/asm-offsets.h> 1462306a36Sopenharmony_ci#include <linux/errno.h> 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci/* do_lq(unsigned long ea, unsigned long *regs) */ 1762306a36Sopenharmony_ci_GLOBAL(do_lq) 1862306a36Sopenharmony_ci1: lq r6, 0(r3) 1962306a36Sopenharmony_ci std r6, 0(r4) 2062306a36Sopenharmony_ci std r7, 8(r4) 2162306a36Sopenharmony_ci li r3, 0 2262306a36Sopenharmony_ci blr 2362306a36Sopenharmony_ci2: li r3, -EFAULT 2462306a36Sopenharmony_ci blr 2562306a36Sopenharmony_ci EX_TABLE(1b, 2b) 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci/* do_stq(unsigned long ea, unsigned long val0, unsigned long val1) */ 2862306a36Sopenharmony_ci_GLOBAL(do_stq) 2962306a36Sopenharmony_ci1: stq r4, 0(r3) 3062306a36Sopenharmony_ci li r3, 0 3162306a36Sopenharmony_ci blr 3262306a36Sopenharmony_ci2: li r3, -EFAULT 3362306a36Sopenharmony_ci blr 3462306a36Sopenharmony_ci EX_TABLE(1b, 2b) 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci/* do_lqarx(unsigned long ea, unsigned long *regs) */ 3762306a36Sopenharmony_ci_GLOBAL(do_lqarx) 3862306a36Sopenharmony_ci1: PPC_LQARX(6, 0, 3, 0) 3962306a36Sopenharmony_ci std r6, 0(r4) 4062306a36Sopenharmony_ci std r7, 8(r4) 4162306a36Sopenharmony_ci li r3, 0 4262306a36Sopenharmony_ci blr 4362306a36Sopenharmony_ci2: li r3, -EFAULT 4462306a36Sopenharmony_ci blr 4562306a36Sopenharmony_ci EX_TABLE(1b, 2b) 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci/* do_stqcx(unsigned long ea, unsigned long val0, unsigned long val1, 4862306a36Sopenharmony_ci unsigned int *crp) */ 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci_GLOBAL(do_stqcx) 5162306a36Sopenharmony_ci1: PPC_STQCX(4, 0, 3) 5262306a36Sopenharmony_ci mfcr r5 5362306a36Sopenharmony_ci stw r5, 0(r6) 5462306a36Sopenharmony_ci li r3, 0 5562306a36Sopenharmony_ci blr 5662306a36Sopenharmony_ci2: li r3, -EFAULT 5762306a36Sopenharmony_ci blr 5862306a36Sopenharmony_ci EX_TABLE(1b, 2b) 59