HIFIVE1-VP/riscv/src/iss/rv32imac.cpp

76 lines
2.8 KiB
C++

/*******************************************************************************
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* All rights reserved.
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#include "util/ities.h"
#include <util/logging.h>
#include <elfio/elfio.hpp>
#include <iss/arch/rv32imac.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <ihex.h>
#ifdef __cplusplus
}
#endif
#include <cstdio>
#include <cstring>
#include <fstream>
using namespace iss::arch;
constexpr std::array<const uint32_t, 39> iss::arch::traits<iss::arch::rv32imac>::RV32IMAC_reg_size;
constexpr std::array<const uint32_t, 40> iss::arch::traits<iss::arch::rv32imac>::RV32IMAC_reg_byte_offset;
rv32imac::rv32imac() {
reg.icount = 0;
reg.machine_state = 0x3;
}
rv32imac::~rv32imac() = default;
void rv32imac::reset(uint64_t address) {
for (size_t i = 0; i < traits<rv32imac>::NUM_REGS; ++i)
set_reg(i, std::vector<uint8_t>(sizeof(traits<rv32imac>::reg_t), 0));
reg.PC = address;
reg.NEXT_PC = reg.PC;
reg.trap_state = 0;
reg.machine_state = 0x3;
}
uint8_t *rv32imac::get_regs_base_ptr() { return reinterpret_cast<uint8_t *>(&reg); }
rv32imac::phys_addr_t rv32imac::virt2phys(const iss::addr_t &pc) {
return phys_addr_t(pc); // change logical address to physical address
}