1 /* 2 * Loongson CSR instructions translation routines 3 * 4 * Copyright (c) 2023 Jiaxun Yang <jiaxun.yang@flygoat.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0-or-later 7 */ 8 9 #include "qemu/osdep.h" 10 #include "cpu.h" 11 #include "exec/helper-proto.h" 12 13 #define GET_MEMTXATTRS(cas) \ 14 ((MemTxAttrs){.requester_id = env_cpu(cas)->cpu_index}) 15 16 uint64_t helper_lcsr_rdcsr(CPUMIPSState *env, target_ulong r_addr) 17 { 18 return address_space_ldl(&env->iocsr.as, r_addr, 19 GET_MEMTXATTRS(env), NULL); 20 } 21 22 uint64_t helper_lcsr_drdcsr(CPUMIPSState *env, target_ulong r_addr) 23 { 24 return address_space_ldq(&env->iocsr.as, r_addr, 25 GET_MEMTXATTRS(env), NULL); 26 } 27 28 void helper_lcsr_wrcsr(CPUMIPSState *env, target_ulong w_addr, 29 target_ulong val) 30 { 31 address_space_stl(&env->iocsr.as, w_addr, 32 val, GET_MEMTXATTRS(env), NULL); 33 } 34 35 void helper_lcsr_dwrcsr(CPUMIPSState *env, target_ulong w_addr, 36 target_ulong val) 37 { 38 address_space_stq(&env->iocsr.as, w_addr, 39 val, GET_MEMTXATTRS(env), NULL); 40 } 41