82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
#include "pugixml.hpp"
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#include <cstdint>
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#include <cstdlib>
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#include <iostream>
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#include <string>
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static void parse_peripheral(const pugi::xml_node& node);
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static void parse_register(uint32_t base_address, const pugi::xml_node& node);
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static void parse_field(const char *reg, const pugi::xml_node& node);
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int main(int argc, char *argv[])
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{
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if (argc < 2)
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return -1;
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pugi::xml_document doc;
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pugi::xml_parse_result result = doc.load_file(argv[1]);
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if (!result)
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return -1;
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std::cout << std::hex;
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std::cout << "namespace " << doc.child("device").child_value("name")
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<< " {\n";
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for (auto node : doc.child("device")
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.child("peripherals")
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.children("peripheral"))
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{
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parse_peripheral(node);
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}
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std::cout << "}\n";
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}
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void parse_peripheral(const pugi::xml_node& node)
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{
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const auto base = std::strtol(node.child_value("baseAddress"), nullptr, 0);
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std::cout << " namespace " << node.child_value("name") << " {\n";
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for (auto n : node.child("registers").children("register"))
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parse_register(base, n);
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std::cout << " }\n";
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}
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void parse_register(uint32_t base_address, const pugi::xml_node& node)
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{
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const auto offs = std::strtol(node.child_value("addressOffset"), nullptr, 0);
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const auto size = std::strtol(node.child_value("size"), nullptr, 0);
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const auto name = node.child_value("name");
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std::cout << " struct " << name << " : public fr::MemRegister<";
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switch (size) {
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case 8: std::cout << "uint8_t, "; break;
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case 16: std::cout << "uint16_t, "; break;
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case 32:
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default: std::cout << "uint32_t, "; break;
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}
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std::cout << "0x" << base_address + offs << "> {\n";
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for (auto n : node.child("fields").children("field"))
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parse_field(name, n);
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std::cout << " };\n";
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}
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void parse_field(const char *reg, const pugi::xml_node& node)
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{
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const auto offs = std::strtol(node.child_value("bitOffset"), nullptr, 0);
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const auto width = std::strtol(node.child_value("bitWidth"), nullptr, 0);
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std::string name = node.child_value("name");
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if (name == reg)
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name += "_val";
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std::cout << " using " << name << " = fr::RegisterMask<"
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<< reg << ", (0x" << (1 << width) - 1 << "u << 0x" << offs << "u)>;\n";
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}
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