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add support for memories to c++ and smtlib functional backends

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This commit is contained in:
Emily Schmidt 2024-06-12 11:27:10 +01:00
parent 76371d177f
commit 7b29d177ac
5 changed files with 226 additions and 50 deletions
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19
backends/functional/cxx_runtime/sim.h
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@ -363,4 +363,23 @@ Signal<n> $sign_extend(Signal<m> const& a)
return ret;
}
template<size_t a, size_t d>
struct Memory {
std::array<Signal<d>, 1<<a> contents;
};
template<size_t a, size_t d>
Signal<d> $memory_read(Memory<a, d> memory, Signal<a> addr)
{
return memory.contents[as_int(addr)];
}
template<size_t a, size_t d>
Memory<a, d> $memory_write(Memory<a, d> memory, Signal<a> addr, Signal<d> data)
{
Memory<a, d> ret = memory;
ret.contents[as_int(addr)] = data;
return ret;
}
#endif