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03afdc28 JY |
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" | |
03afdc28 | 10 | #include "cpu.h" |
03afdc28 | 11 | #include "exec/helper-proto.h" |
03afdc28 JY |
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 | } |