regfile_t<freg_t, NFPR, false> FPR;
// control and status registers
- reg_t epc;
- reg_t badvaddr;
- reg_t evec;
- reg_t ptbr;
- reg_t pcr_k0;
- reg_t pcr_k1;
- reg_t cause;
+ reg_t mstatus;
+ reg_t mepc;
+ reg_t mbadaddr;
+ reg_t mscratch;
+ reg_t mcause;
+ reg_t sepc;
+ reg_t sbadaddr;
+ reg_t sscratch;
+ reg_t stvec;
+ reg_t sptbr;
+ reg_t scause;
reg_t tohost;
reg_t fromhost;
- reg_t count;
- uint32_t compare;
- uint32_t sr; // only modify the status register using set_pcr()
+ reg_t scount;
+ bool stip;
+ uint32_t stimecmp;
uint32_t fflags;
uint32_t frm;
void step(size_t n); // run for n cycles
void deliver_ipi(); // register an interprocessor interrupt
bool running() { return run; }
- void set_pcr(int which, reg_t val);
- void set_fromhost(reg_t val);
- void set_interrupt(int which, bool on);
- reg_t get_pcr(int which);
+ void set_csr(int which, reg_t val);
+ void raise_interrupt(reg_t which);
+ reg_t get_csr(int which);
mmu_t* get_mmu() { return mmu; }
state_t* get_state() { return &state; }
extension_t* get_extension() { return ext; }
+ void push_privilege_stack();
+ void pop_privilege_stack();
void yield_load_reservation() { state.load_reservation = (reg_t)-1; }
void update_histogram(size_t pc);
disassembler_t* disassembler;
state_t state;
uint32_t id;
+ int xlen;
bool run; // !reset
bool debug;
bool histogram_enabled;
- bool rv64;
bool serialized;
std::vector<insn_desc_t> instructions;