Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2025 Loongson Technology Corporation Limited
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*/
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#ifndef TARGET_LOONGARCH_CSR_H
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#define TARGET_LOONGARCH_CSR_H
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#include "cpu-csr.h"
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#define CSR_OFFSET(id) offsetof(CPUSysState, id)
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#define CPU_CSR_OFFSET(id, vm_level) \
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(offsetof(CPULoongArchState, sys_states[vm_level]) \
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+ CSR_OFFSET(id))
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typedef void (*GenCSRFunc)(void);
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enum {
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CSRFL_READONLY = (1 << 0),
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CSRFL_EXITTB = (1 << 1),
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CSRFL_IO = (1 << 2),
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CSRFL_UNUSED = (1 << 3),
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CSRFL_BASIC = (1 << 4),
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};
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typedef struct {
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const char *name;
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int offset;
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int flags;
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GenCSRFunc readfn;
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GenCSRFunc writefn;
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} CSRInfo;
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CSRInfo *get_csr(unsigned int csr_num);
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bool set_csr_flag(unsigned int csr_num, int flag);
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static inline unsigned int get_csr_offset(const CSRInfo *csr, int vm_level)
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{
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return csr->offset + offsetof(CPULoongArchState, sys_states[vm_level]);
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}
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#endif /* TARGET_LOONGARCH_CSR_H */
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