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added support for write-through cache, removed cache snooping support

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This commit is contained in:
Blaise Tine
2020-12-23 23:51:02 -08:00
parent d956e268b9
commit 703a861fe9
55 changed files with 1077 additions and 2178 deletions
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11
hw/simulate/simulator.h
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@@ -30,14 +30,12 @@ public:
bool is_busy() const;
bool snp_req_active() const;
bool csr_req_active() const;
void reset();
void step();
void wait(uint32_t cycles);
void flush_caches(uint32_t mem_addr, uint32_t size);
void set_csr(int core_id, int addr, unsigned value);
void get_csr(int core_id, int addr, unsigned *value);
@@ -62,20 +60,13 @@ private:
void eval_dram_bus();
void eval_io_bus();
void eval_csr_bus();
void eval_snp_bus();
std::list<dram_req_t> dram_rsp_vec_;
bool dram_rsp_active_;
bool dram_rsp_ready_;
bool snp_req_ready_;
bool csr_io_req_ready_;
bool snp_req_active_;
bool csr_req_ready_;
bool csr_req_active_;
uint32_t snp_req_size_;
uint32_t pending_snp_reqs_;
uint32_t* csr_rsp_value_;
RAM *ram_;