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| author | Weiwei Li <liweiwei@iscas.ac.cn> | 2022-07-08 20:30:02 +0800 |
|---|---|---|
| committer | Weiwei Li <liweiwei@iscas.ac.cn> | 2022-07-21 08:50:26 +0800 |
| commit | 3ff1b5f1c6c6e13777be1c677abc2340f3dabd1a (patch) | |
| tree | b5c4481531b8da56e2aa4ef5473c148ef0b9f177 /riscv/csrs.h | |
| parent | 28ee0c4d6a1ed221f1a05ba48f54023ac7d455cc (diff) | |
| download | spike-3ff1b5f1c6c6e13777be1c677abc2340f3dabd1a.zip spike-3ff1b5f1c6c6e13777be1c677abc2340f3dabd1a.tar.gz spike-3ff1b5f1c6c6e13777be1c677abc2340f3dabd1a.tar.bz2 | |
add support for time/timeh/htimedelta/htimedeltah csrs
Diffstat (limited to 'riscv/csrs.h')
| -rw-r--r-- | riscv/csrs.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/riscv/csrs.h b/riscv/csrs.h index 8108d1e..34bc9d0 100644 --- a/riscv/csrs.h +++ b/riscv/csrs.h @@ -509,6 +509,21 @@ class wide_counter_csr_t: public csr_t { typedef std::shared_ptr<wide_counter_csr_t> wide_counter_csr_t_p; +class time_counter_csr_t: public csr_t { + public: + time_counter_csr_t(processor_t* const proc, const reg_t addr); + virtual reg_t read() const noexcept override; + + void sync(const reg_t val) noexcept; + + protected: + virtual bool unlogged_write(const reg_t val) noexcept override { return false; }; + private: + reg_t shadow_val; +}; + +typedef std::shared_ptr<time_counter_csr_t> time_counter_csr_t_p; + // For a CSR that is an alias of another class proxy_csr_t: public csr_t { public: |