45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#ifndef _NPC_VPI_WRAPPER_H_
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#define _NPC_VPI_WRAPPER_H_
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#include <components.hpp>
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#include <spdlog/logger.h>
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#include <spdlog/sinks/stdout_color_sinks.h>
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#include <spdlog/spdlog.h>
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#include <vpi_user.h>
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template <typename T, std::size_t nr>
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class _RegistersVPI : public _RegistersBase<T, nr> {
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std::array<vpiHandle, nr> reg_handles;
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vpiHandle pc_handle;
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T vpi_get(vpiHandle vh) const {
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s_vpi_value v;
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v.format = vpiIntVal;
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vpi_get_value(vh, &v);
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return v.value.integer;
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}
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T fetch_pc(void) const { return vpi_get(pc_handle); }
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T fetch_reg(std::size_t id) const { return vpi_get(reg_handles[id]); }
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public:
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_RegistersVPI<T, nr>(const std::string regs_prefix,
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const std::string pcname) {
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init_handlers(regs_prefix, pcname);
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}
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private:
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void init_handlers(const std::string regs_prefix, const std::string pcname) {
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for (int i = 0; i < nr; i++) {
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std::string regname = regs_prefix + std::to_string(i);
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vpiHandle vh = vpi_handle_by_name((PLI_BYTE8 *)regname.c_str(), nullptr);
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if (vh == nullptr) {
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std::cerr << "vpiHandle " << regname.c_str() << " not found"
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<< std::endl;
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exit(EXIT_FAILURE);
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}
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reg_handles[i] = vh;
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}
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pc_handle = vpi_handle_by_name((PLI_BYTE8 *)pcname.c_str(), nullptr);
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}
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};
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#endif
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