65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
#include <loaders/dol.hpp>
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#include <mem.hpp>
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#include <broadway.hpp>
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#include <ircolib/file.hpp>
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#include <ircolib/mem_access.hpp>
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#include <array>
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namespace weee::core {
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bool load_dol(const std::string &path, mem &mem, broadway &broadway) {
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auto bin = ircolib::read_file_binary(path);
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if (bin.size() <= 0)
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return false;
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struct header {
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struct section {
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ircolib::u32 offset, addr, size;
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};
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std::array<section, 7> text;
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std::array<section, 11> data;
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ircolib::u32 bss_address, bss_size, entry_point;
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} hdr;
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for (size_t bin_index = 0; bin_index < 0xD8; bin_index += 4) {
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if (ircolib::is_inside_range(bin_index, 0, 0x1b)) // text file offsets
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hdr.text[bin_index / 4].offset = std::byteswap(ircolib::read_access<ircolib::u32>(bin, bin_index));
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if (ircolib::is_inside_range(bin_index, 0x1c, 0x47)) // data file offsets
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hdr.data[(bin_index - 0x1c) / 4].offset = std::byteswap(ircolib::read_access<ircolib::u32>(bin, bin_index));
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if (ircolib::is_inside_range(bin_index, 0x48, 0x63)) // text loading addresses
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hdr.text[(bin_index - 0x48) / 4].addr = std::byteswap(ircolib::read_access<ircolib::u32>(bin, bin_index));
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if (ircolib::is_inside_range(bin_index, 0x64, 0x8f)) // data loading addresses
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hdr.data[(bin_index - 0x64) / 4].addr = std::byteswap(ircolib::read_access<ircolib::u32>(bin, bin_index));
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if (ircolib::is_inside_range(bin_index, 0x90, 0xab)) // text sizes
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hdr.text[(bin_index - 0x90) / 4].size = std::byteswap(ircolib::read_access<ircolib::u32>(bin, bin_index));
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if (ircolib::is_inside_range(bin_index, 0xac, 0xd7)) // data sizes
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hdr.data[(bin_index - 0xac) / 4].size = std::byteswap(ircolib::read_access<ircolib::u32>(bin, bin_index));
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}
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hdr.bss_address = std::byteswap(ircolib::read_access<ircolib::u32>(bin, 0xD8));
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hdr.bss_size = std::byteswap(ircolib::read_access<ircolib::u32>(bin, 0xDC));
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mem.set(0, hdr.bss_size, hdr.bss_address & 0x0FFFFFFF);
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hdr.entry_point = std::byteswap(ircolib::read_access<ircolib::u32>(bin, 0xE0));
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broadway.set_pc(hdr.entry_point);
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for (const auto §ion : hdr.text) {
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if (section.offset == 0)
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continue;
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mem.copy(&bin[section.offset], section.size, section.addr & 0x0FFFFFFF);
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}
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for (const auto §ion : hdr.data) {
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if (section.offset == 0)
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continue;
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mem.copy(&bin[section.offset], section.size, section.addr & 0x0FFFFFFF);
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}
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return true;
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}
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} // namespace weee::core
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