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author | Weiwei Li <liweiwei@iscas.ac.cn> | 2022-07-06 10:43:57 +0800 |
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committer | Weiwei Li <liweiwei@iscas.ac.cn> | 2022-07-07 08:32:54 +0800 |
commit | 9b66f89b8102f032f721fe332819325508aa3b95 (patch) | |
tree | 38b71303de40d374190ae2261cae1d1d1a87a168 /riscv/csrs.h | |
parent | 45b9b9c2940704c6e2d77f04450abb2155dbb8b7 (diff) | |
download | spike-9b66f89b8102f032f721fe332819325508aa3b95.zip spike-9b66f89b8102f032f721fe332819325508aa3b95.tar.gz spike-9b66f89b8102f032f721fe332819325508aa3b95.tar.bz2 |
modify mstatush_csr_t to general rv32_high_csr_t
Diffstat (limited to 'riscv/csrs.h')
-rw-r--r-- | riscv/csrs.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/riscv/csrs.h b/riscv/csrs.h index ab3cdb7..03a3ed6 100644 --- a/riscv/csrs.h +++ b/riscv/csrs.h @@ -53,6 +53,8 @@ class csr_t { private: const unsigned csr_priv; const bool csr_read_only; + + friend class rv32_high_csr_t; }; typedef std::shared_ptr<csr_t> csr_t_p; @@ -243,19 +245,19 @@ class mstatus_csr_t final: public base_status_csr_t { virtual bool unlogged_write(const reg_t val) noexcept override; private: reg_t val; - friend class mstatush_csr_t; }; typedef std::shared_ptr<mstatus_csr_t> mstatus_csr_t_p; -class mstatush_csr_t: public csr_t { +class rv32_high_csr_t: public csr_t { public: - mstatush_csr_t(processor_t* const proc, const reg_t addr, mstatus_csr_t_p mstatus); + rv32_high_csr_t(processor_t* const proc, const reg_t addr, const reg_t mask, csr_t_p orig); virtual reg_t read() const noexcept override; + virtual void verify_permissions(insn_t insn, bool write) const override; protected: virtual bool unlogged_write(const reg_t val) noexcept override; private: - mstatus_csr_t_p mstatus; + csr_t_p orig; const reg_t mask; }; |