1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Copyright (c) 2021 Loongson Technology Corporation Limited
4 *
5 * Helpers for IOCSR reads/writes
6 */
7
8 #include "qemu/osdep.h"
9 #include "cpu.h"
10 #include "qemu/host-utils.h"
11 #include "exec/helper-proto.h"
12 #include "accel/tcg/cpu-ldst.h"
13
14 #define GET_MEMTXATTRS(cas) \
15 ((MemTxAttrs){.requester_id = env_cpu(cas)->cpu_index})
16
helper_iocsrrd_b(CPULoongArchState * env,target_ulong r_addr)17 uint64_t helper_iocsrrd_b(CPULoongArchState *env, target_ulong r_addr)
18 {
19 return address_space_ldub(env->address_space_iocsr, r_addr,
20 GET_MEMTXATTRS(env), NULL);
21 }
22
helper_iocsrrd_h(CPULoongArchState * env,target_ulong r_addr)23 uint64_t helper_iocsrrd_h(CPULoongArchState *env, target_ulong r_addr)
24 {
25 return address_space_lduw(env->address_space_iocsr, r_addr,
26 GET_MEMTXATTRS(env), NULL);
27 }
28
helper_iocsrrd_w(CPULoongArchState * env,target_ulong r_addr)29 uint64_t helper_iocsrrd_w(CPULoongArchState *env, target_ulong r_addr)
30 {
31 return address_space_ldl(env->address_space_iocsr, r_addr,
32 GET_MEMTXATTRS(env), NULL);
33 }
34
helper_iocsrrd_d(CPULoongArchState * env,target_ulong r_addr)35 uint64_t helper_iocsrrd_d(CPULoongArchState *env, target_ulong r_addr)
36 {
37 return address_space_ldq(env->address_space_iocsr, r_addr,
38 GET_MEMTXATTRS(env), NULL);
39 }
40
helper_iocsrwr_b(CPULoongArchState * env,target_ulong w_addr,target_ulong val)41 void helper_iocsrwr_b(CPULoongArchState *env, target_ulong w_addr,
42 target_ulong val)
43 {
44 address_space_stb(env->address_space_iocsr, w_addr,
45 val, GET_MEMTXATTRS(env), NULL);
46 }
47
helper_iocsrwr_h(CPULoongArchState * env,target_ulong w_addr,target_ulong val)48 void helper_iocsrwr_h(CPULoongArchState *env, target_ulong w_addr,
49 target_ulong val)
50 {
51 address_space_stw(env->address_space_iocsr, w_addr,
52 val, GET_MEMTXATTRS(env), NULL);
53 }
54
helper_iocsrwr_w(CPULoongArchState * env,target_ulong w_addr,target_ulong val)55 void helper_iocsrwr_w(CPULoongArchState *env, target_ulong w_addr,
56 target_ulong val)
57 {
58 address_space_stl(env->address_space_iocsr, w_addr,
59 val, GET_MEMTXATTRS(env), NULL);
60 }
61
helper_iocsrwr_d(CPULoongArchState * env,target_ulong w_addr,target_ulong val)62 void helper_iocsrwr_d(CPULoongArchState *env, target_ulong w_addr,
63 target_ulong val)
64 {
65 address_space_stq(env->address_space_iocsr, w_addr,
66 val, GET_MEMTXATTRS(env), NULL);
67 }
68