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#ifndef _RISCV_PROCESSOR_H
#define _RISCV_PROCESSOR_H
#include "decode.h"
#include <cstring>
#include "trap.h"
#include "mmu.h"
#include "icsim.h"
#define MAX_UTS 32
class sim_t;
class processor_t
{
public:
processor_t(sim_t* _sim, char* _mem, size_t _memsz);
~processor_t();
void init(uint32_t _id);
void step(size_t n, bool noisy);
private:
sim_t* sim;
// architected state
reg_t XPR[NXPR];
freg_t FPR[NFPR];
// privileged control registers
reg_t pc;
reg_t epc;
reg_t badvaddr;
reg_t cause;
reg_t evec;
reg_t tohost;
reg_t fromhost;
reg_t pcr_k0;
reg_t pcr_k1;
uint32_t id;
uint32_t sr;
uint32_t count;
uint32_t compare;
// unprivileged control registers
uint32_t fsr;
// # of bits in an XPR (32 or 64). (redundant with sr)
int xprlen;
// shared memory
mmu_t mmu;
// counters
reg_t counters[32];
// functions
void set_sr(uint32_t val);
void set_fsr(uint32_t val);
void take_trap(trap_t t, bool noisy);
void disasm(insn_t insn, reg_t pc);
// vector stuff
void vcfg();
void setvl(int vlapp);
bool utmode;
int utidx;
int vlmax;
int vl;
int nxpr_all;
int nfpr_all;
int nxpr_use;
int nfpr_use;
processor_t* uts[MAX_UTS];
// icache sim
icsim_t* icsim;
friend class sim_t;
};
#endif
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