f84a2aacf5
This includes:
- IOCSR{RD/WR}.{B/H/W/D}
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-27-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
68 lines
2 KiB
C
68 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2021 Loongson Technology Corporation Limited
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*
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* Helpers for IOCSR reads/writes
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*/
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#include "qemu/osdep.h"
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#include "qemu/main-loop.h"
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#include "cpu.h"
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#include "qemu/host-utils.h"
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#include "exec/helper-proto.h"
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#include "exec/exec-all.h"
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#include "exec/cpu_ldst.h"
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#include "tcg/tcg-ldst.h"
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uint64_t helper_iocsrrd_b(CPULoongArchState *env, target_ulong r_addr)
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{
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return address_space_ldub(&env->address_space_iocsr, r_addr,
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MEMTXATTRS_UNSPECIFIED, NULL);
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}
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uint64_t helper_iocsrrd_h(CPULoongArchState *env, target_ulong r_addr)
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{
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return address_space_lduw(&env->address_space_iocsr, r_addr,
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MEMTXATTRS_UNSPECIFIED, NULL);
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}
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uint64_t helper_iocsrrd_w(CPULoongArchState *env, target_ulong r_addr)
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{
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return address_space_ldl(&env->address_space_iocsr, r_addr,
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MEMTXATTRS_UNSPECIFIED, NULL);
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}
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uint64_t helper_iocsrrd_d(CPULoongArchState *env, target_ulong r_addr)
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{
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return address_space_ldq(&env->address_space_iocsr, r_addr,
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MEMTXATTRS_UNSPECIFIED, NULL);
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}
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void helper_iocsrwr_b(CPULoongArchState *env, target_ulong w_addr,
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target_ulong val)
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{
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address_space_stb(&env->address_space_iocsr, w_addr,
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val, MEMTXATTRS_UNSPECIFIED, NULL);
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}
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void helper_iocsrwr_h(CPULoongArchState *env, target_ulong w_addr,
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target_ulong val)
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{
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address_space_stw(&env->address_space_iocsr, w_addr,
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val, MEMTXATTRS_UNSPECIFIED, NULL);
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}
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void helper_iocsrwr_w(CPULoongArchState *env, target_ulong w_addr,
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target_ulong val)
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{
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address_space_stl(&env->address_space_iocsr, w_addr,
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val, MEMTXATTRS_UNSPECIFIED, NULL);
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}
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void helper_iocsrwr_d(CPULoongArchState *env, target_ulong w_addr,
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target_ulong val)
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{
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address_space_stq(&env->address_space_iocsr, w_addr,
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val, MEMTXATTRS_UNSPECIFIED, NULL);
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}
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