register_maps_types.h

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#pragma once
 
// need maps and strings for the LUTs
#include <stdint.h>
 
#include <map>
#include <string>
#include <vector>
 
struct RegisterLocation {
  const int reg;
  const int min_bit;
  const int n_bits;
  const int mask;
  RegisterLocation(int r, int m, int n)
      : reg{r}, min_bit{m}, n_bits{n}, mask{((1 << n_bits) - 1)} {}
};
 
struct Parameter {
  uint64_t def;
  std::vector<RegisterLocation> registers;
  Parameter(std::initializer_list<RegisterLocation> r, uint64_t def)
      : def{def}, registers{r} {}
  Parameter(int r, int m, int n, uint64_t def)
      : Parameter({RegisterLocation(r, m, n)}, def) {}
  Parameter() : def{0}, registers{} {}
};
 
struct DirectAccessParameter {
  const int reg;
  const int bit_location;
  const bool def;
};
 
template <typename Key, typename Val>
class NoCopyMap : public std::map<Key, Val> {
 public:
  using Mapping = std::map<Key, Val>;
  NoCopyMap(const NoCopyMap&) = delete;
  NoCopyMap& operator=(const NoCopyMap&) = delete;
  NoCopyMap(const Mapping& contents) : Mapping(contents) {}
};
 
using Page = NoCopyMap<std::string, Parameter>;
 
using PageLUT = NoCopyMap<std::string, const Page&>;
 
using ParameterLUT = NoCopyMap<std::string, std::pair<int, const Page&>>;
 
using DirectAccessParameterLUT = NoCopyMap<std::string, DirectAccessParameter>;