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Stub GPU DMA, fix up some FS stuff. horribly wrong savedata implementation

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wheremyfoodat 2022-10-15 13:28:29 +03:00
parent b6a1da21a9
commit 5d15efe72c
13 changed files with 169 additions and 35 deletions
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54
src/core/fs/archive_save_data.cpp
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@ -1,17 +1,59 @@
#include "fs/archive_save_data.hpp"
#include <algorithm>
#include <memory>
bool SaveDataArchive::openFile(const FSPath& path) {
Helpers::panic("SaveDataArchive::OpenFile");
return false;
if (!cartHasSaveData()) {
printf("Tried to read SaveData FS without save data\n");
return false;
}
if (path.type == PathType::UTF16 && mem.readString(path.pointer, path.size) == "/") {
printf("Reading root save data dir\n");
return true;
}
if (path.type != PathType::Binary) {
printf("Unimplemented SaveData path type: %d\n", path.type);
return false;
}
return true;
}
ArchiveBase* SaveDataArchive::openArchive(const FSPath& path) {
Helpers::panic("SaveDataArchive::OpenArchive");
return nullptr;
if (path.type != PathType::Empty) {
Helpers::panic("Unimplemented path type for SaveData archive: %d\n", path.type);
return nullptr;
}
return this;
}
std::optional<u32> SaveDataArchive::readFile(FileSession* file, u64 offset, u32 size, u32 dataPointer) {
Helpers::panic("SaveDataArchive::ReadFile");
return std::nullopt;
if (!cartHasSaveData()) {
printf("Tried to read SaveData FS without save data\n");
return std::nullopt;
}
auto cxi = mem.getCXI();
const u64 saveSize = cxi->saveData.size();
if (offset >= saveSize) {
printf("Tried to read from past the end of save data\n");
return std::nullopt;
}
const u64 endOffset = std::min<u64>(saveSize, offset + size); // Don't go past the end of the save file
const u32 bytesRead = endOffset - offset;
if (bytesRead != 0x22) Helpers::panic("Might want to actually implement SaveData");
static constexpr std::array<u8, 0x22> saveDataStub = { 0x00, 0x23, 0x3C, 0x77, 0x67, 0x28, 0x30, 0x33, 0x58, 0x61, 0x39, 0x61, 0x48, 0x59, 0x36, 0x55, 0x43, 0x76, 0x58, 0x61, 0x6F, 0x65, 0x48, 0x6D, 0x2B, 0x5E, 0x6F, 0x62, 0x3E, 0x6F, 0x34, 0x00, 0x77, 0x09};
for (u32 i = 0; i < bytesRead; i++) {
mem.write8(dataPointer + i, saveDataStub[i]);
}
return bytesRead;
}