mirror of
https://github.com/wiiu-env/wudd.git
synced 2024-10-01 18:49:50 +02:00
80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
|
/****************************************************************************
|
||
|
* Copyright (C) 2016-2021 Maschell
|
||
|
*
|
||
|
* This program is free software: you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU General Public License as published by
|
||
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
* (at your option) any later version.
|
||
|
*
|
||
|
* This program is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
* GNU General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU General Public License
|
||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
****************************************************************************/
|
||
|
#include <coreinit/debug.h>
|
||
|
#include "WiiUPartition.h"
|
||
|
|
||
|
uint32_t WiiUPartition::LENGTH = 128;
|
||
|
|
||
|
WiiUPartition::WiiUPartition() = default;
|
||
|
|
||
|
WiiUPartition::~WiiUPartition() {
|
||
|
for (auto const&[key, val]: volumes) {
|
||
|
delete val;
|
||
|
}
|
||
|
volumes.clear();
|
||
|
}
|
||
|
|
||
|
WiiUPartition::WiiUPartition(DiscReader *reader, uint32_t offset, const DiscBlockSize &blockSize) {
|
||
|
auto buffer = (uint8_t *) malloc(LENGTH);
|
||
|
if (buffer == nullptr) {
|
||
|
OSFatal("WiiUPartition: alloc buffer failed");
|
||
|
}
|
||
|
if (!reader->hasDiscKey) {
|
||
|
if (!reader->readEncrypted(buffer, offset, LENGTH)) {
|
||
|
OSFatal("WiiUPartition: Failed to read encrypted");
|
||
|
}
|
||
|
} else {
|
||
|
auto bufferBigger = (uint8_t *) malloc(LENGTH + 0x10);
|
||
|
if (bufferBigger == nullptr) {
|
||
|
OSFatal("WiiUPartition: alloc bufferBigger failed");
|
||
|
}
|
||
|
if (!reader->readDecrypted(bufferBigger, offset - 0x10, 0, LENGTH + 0x10, reader->discKey, nullptr, true)) {
|
||
|
OSFatal("WiiUPartition: Failed to read encrypted");
|
||
|
}
|
||
|
|
||
|
memcpy(buffer, bufferBigger + 0x10, LENGTH);
|
||
|
|
||
|
free(bufferBigger);
|
||
|
}
|
||
|
|
||
|
char name[32];
|
||
|
memset(name, 0, sizeof(name));
|
||
|
memcpy(name, buffer, 31);
|
||
|
volumeId = name;
|
||
|
uint8_t num = buffer[31];
|
||
|
|
||
|
for (int i = 0; i < num; i++) {
|
||
|
auto address = *((uint32_t *) &buffer[32 + (i * 4)]);
|
||
|
AddressInDiscBlocks discLbaAddress = AddressInDiscBlocks(blockSize, address);
|
||
|
auto vh = new VolumeHeader(reader, discLbaAddress.getAddressInBytes());
|
||
|
volumes[discLbaAddress] = vh;
|
||
|
}
|
||
|
|
||
|
fileSystemDescriptor = ((uint16_t *) &buffer[64])[0];
|
||
|
|
||
|
free(buffer);
|
||
|
}
|
||
|
|
||
|
uint64_t WiiUPartition::getSectionOffsetOnDefaultPartition() {
|
||
|
if (volumes.size() != 1) {
|
||
|
OSFatal("We have more or less than 1 volume header.");
|
||
|
}
|
||
|
return volumes.begin()->first.getAddressInBytes();
|
||
|
}
|
||
|
|
||
|
|