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