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Add a simple verilator simulator for module_wrap128_fromMem

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Alex Richardson
2020-04-02 16:12:10 +01:00
parent 4b08d61aa2
commit a4ea46cd59
2 changed files with 40 additions and 0 deletions
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13
CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.16)
project(cap-lib-verilated)
set(CMAKE_CXX_STANDARD 14)
find_package(verilator HINTS $ENV{VERILATOR_ROOT})
if (NOT verilator_FOUND)
message(FATAL_ERROR "Verilator was not found. Either install it, or set the VERILATOR_ROOT environment variable")
endif()
add_executable(cap128_fromMem sim_main.cpp)
if (APPLE)
# verilate() complains about --compiler appleclang otherwise
set(CMAKE_CXX_COMPILER_ID clang FORCE)
endif()
verilate(cap128_fromMem SOURCES module_wrap128_fromMem.v VERILATOR_ARGS --compiler clang)

27
sim_main.cpp Normal file
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#include "Vmodule_wrap128_fromMem.h"
#include "verilated.h"
#include "verilated_vpi.h" // Required to get definitions
vluint64_t main_time = 0; // See comments in first example
double sc_time_stamp() { return main_time; }
template <class T, size_t N> constexpr size_t array_size(T (&)[N]) { return N; }
int main(int argc, char** argv, char** env) {
Verilated::commandArgs(argc, argv);
Vmodule_wrap128_fromMem* top = new Vmodule_wrap128_fromMem;
Verilated::internalsDump(); // See scopes to help debug
for (int i = 0; i < array_size(top->wrap128_fromMem_mem_cap); i++) {
top->wrap128_fromMem_mem_cap[i] = 0;
printf("Input[%d]=%d\n", i, top->wrap128_fromMem_mem_cap[i]);
}
printf("Eval:\n");
// while (!Verilated::gotFinish()) {
top->eval();
//}
for (int i = 0; i < array_size(top->wrap128_fromMem); i++) {
printf("Output[%d]=%d\n", i, top->wrap128_fromMem[i]);
}
delete top;
exit(0);
}