| 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 | } |