18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Quadword loads and stores 48c2ecf20Sopenharmony_ci * for use in instruction emulation. 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * Copyright 2017 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#include <asm/processor.h> 108c2ecf20Sopenharmony_ci#include <asm/ppc_asm.h> 118c2ecf20Sopenharmony_ci#include <asm/ppc-opcode.h> 128c2ecf20Sopenharmony_ci#include <asm/reg.h> 138c2ecf20Sopenharmony_ci#include <asm/asm-offsets.h> 148c2ecf20Sopenharmony_ci#include <linux/errno.h> 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci/* do_lq(unsigned long ea, unsigned long *regs) */ 178c2ecf20Sopenharmony_ci_GLOBAL(do_lq) 188c2ecf20Sopenharmony_ci1: lq r6, 0(r3) 198c2ecf20Sopenharmony_ci std r6, 0(r4) 208c2ecf20Sopenharmony_ci std r7, 8(r4) 218c2ecf20Sopenharmony_ci li r3, 0 228c2ecf20Sopenharmony_ci blr 238c2ecf20Sopenharmony_ci2: li r3, -EFAULT 248c2ecf20Sopenharmony_ci blr 258c2ecf20Sopenharmony_ci EX_TABLE(1b, 2b) 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_ci/* do_stq(unsigned long ea, unsigned long val0, unsigned long val1) */ 288c2ecf20Sopenharmony_ci_GLOBAL(do_stq) 298c2ecf20Sopenharmony_ci1: stq r4, 0(r3) 308c2ecf20Sopenharmony_ci li r3, 0 318c2ecf20Sopenharmony_ci blr 328c2ecf20Sopenharmony_ci2: li r3, -EFAULT 338c2ecf20Sopenharmony_ci blr 348c2ecf20Sopenharmony_ci EX_TABLE(1b, 2b) 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci/* do_lqarx(unsigned long ea, unsigned long *regs) */ 378c2ecf20Sopenharmony_ci_GLOBAL(do_lqarx) 388c2ecf20Sopenharmony_ci1: PPC_LQARX(6, 0, 3, 0) 398c2ecf20Sopenharmony_ci std r6, 0(r4) 408c2ecf20Sopenharmony_ci std r7, 8(r4) 418c2ecf20Sopenharmony_ci li r3, 0 428c2ecf20Sopenharmony_ci blr 438c2ecf20Sopenharmony_ci2: li r3, -EFAULT 448c2ecf20Sopenharmony_ci blr 458c2ecf20Sopenharmony_ci EX_TABLE(1b, 2b) 468c2ecf20Sopenharmony_ci 478c2ecf20Sopenharmony_ci/* do_stqcx(unsigned long ea, unsigned long val0, unsigned long val1, 488c2ecf20Sopenharmony_ci unsigned int *crp) */ 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci_GLOBAL(do_stqcx) 518c2ecf20Sopenharmony_ci1: PPC_STQCX(4, 0, 3) 528c2ecf20Sopenharmony_ci mfcr r5 538c2ecf20Sopenharmony_ci stw r5, 0(r6) 548c2ecf20Sopenharmony_ci li r3, 0 558c2ecf20Sopenharmony_ci blr 568c2ecf20Sopenharmony_ci2: li r3, -EFAULT 578c2ecf20Sopenharmony_ci blr 588c2ecf20Sopenharmony_ci EX_TABLE(1b, 2b) 59