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Revert "hoc-clk: add live vdd2, live boost clock and basic pwm dimming"

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This reverts commit 15b7df8ef1.
This commit is contained in:
souldbminersmwc
2025-11-09 16:14:52 -05:00
parent 22ec140738
commit 21a3f953d7
3804 changed files with 435 additions and 570162 deletions
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549
Source/Atmosphere-MTC-Unlock/libraries/libstratosphere/source/fs/common/fs_dbm_hierarchical_rom_file_table.cpp
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@@ -1,549 +0,0 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <stratosphere.hpp>
namespace ams::fs {
s64 HierarchicalRomFileTable::QueryDirectoryEntryBucketStorageSize(StorageSizeType count) {
return DirectoryEntryMapTable::QueryBucketStorageSize(count);
}
s64 HierarchicalRomFileTable::QueryDirectoryEntrySize(StorageSizeType aux_size) {
return DirectoryEntryMapTable::QueryEntrySize(aux_size);
}
s64 HierarchicalRomFileTable::QueryFileEntryBucketStorageSize(StorageSizeType count) {
return FileEntryMapTable::QueryBucketStorageSize(count);
}
s64 HierarchicalRomFileTable::QueryFileEntrySize(StorageSizeType aux_size) {
return FileEntryMapTable::QueryEntrySize(aux_size);
}
Result HierarchicalRomFileTable::Format(SubStorage dir_bucket, SubStorage file_bucket) {
s64 dir_bucket_size;
R_TRY(dir_bucket.GetSize(std::addressof(dir_bucket_size)));
R_TRY(DirectoryEntryMapTable::Format(dir_bucket, DirectoryEntryMapTable::QueryBucketCount(dir_bucket_size)));
s64 file_bucket_size;
R_TRY(file_bucket.GetSize(std::addressof(file_bucket_size)));
R_TRY(FileEntryMapTable::Format(file_bucket, FileEntryMapTable::QueryBucketCount(file_bucket_size)));
R_SUCCEED();
}
HierarchicalRomFileTable::HierarchicalRomFileTable() { /* ... */ }
Result HierarchicalRomFileTable::Initialize(SubStorage dir_bucket, SubStorage dir_entry, SubStorage file_bucket, SubStorage file_entry) {
s64 dir_bucket_size;
R_TRY(dir_bucket.GetSize(std::addressof(dir_bucket_size)));
R_TRY(m_dir_table.Initialize(dir_bucket, DirectoryEntryMapTable::QueryBucketCount(dir_bucket_size), dir_entry));
s64 file_bucket_size;
R_TRY(file_bucket.GetSize(std::addressof(file_bucket_size)));
R_TRY(m_file_table.Initialize(file_bucket, FileEntryMapTable::QueryBucketCount(file_bucket_size), file_entry));
R_SUCCEED();
}
void HierarchicalRomFileTable::Finalize() {
m_dir_table.Finalize();
m_file_table.Finalize();
}
Result HierarchicalRomFileTable::CreateRootDirectory() {
Position root_pos = RootPosition;
EntryKey root_key = {};
root_key.key.parent = root_pos;
RomDirectoryEntry root_entry = {
.next = InvalidPosition,
.dir = InvalidPosition,
.file = InvalidPosition,
};
R_RETURN(m_dir_table.Add(std::addressof(root_pos), root_key, root_entry));
}
Result HierarchicalRomFileTable::CreateDirectory(RomDirectoryId *out, const RomPathChar *path) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(path != nullptr);
RomDirectoryEntry parent_entry = {};
EntryKey new_key = {};
R_TRY(this->FindDirectoryRecursive(std::addressof(new_key), std::addressof(parent_entry), path));
R_TRY(this->CheckSameEntryExists(new_key, fs::ResultDbmAlreadyExists()));
RomDirectoryEntry new_entry = {
.next = InvalidPosition,
.dir = InvalidPosition,
.file = InvalidPosition,
};
Position new_pos = 0;
R_TRY_CATCH(m_dir_table.Add(std::addressof(new_pos), new_key, new_entry)) {
R_CONVERT(fs::ResultDbmKeyFull, fs::ResultDbmDirectoryEntryFull())
} R_END_TRY_CATCH;
*out = PositionToDirectoryId(new_pos);
if (parent_entry.dir == InvalidPosition) {
parent_entry.dir = new_pos;
R_TRY(m_dir_table.SetByPosition(new_key.key.parent, parent_entry));
} else {
Position cur_pos = parent_entry.dir;
while (true) {
RomEntryKey cur_key = {};
RomDirectoryEntry cur_entry = {};
R_TRY(m_dir_table.GetByPosition(std::addressof(cur_key), std::addressof(cur_entry), cur_pos));
if (cur_entry.next == InvalidPosition) {
cur_entry.next = new_pos;
R_TRY(m_dir_table.SetByPosition(cur_pos, cur_entry));
break;
}
cur_pos = cur_entry.next;
}
}
R_SUCCEED();
}
Result HierarchicalRomFileTable::CreateFile(RomFileId *out, const RomPathChar *path, const FileInfo &info) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(path != nullptr);
RomDirectoryEntry parent_entry = {};
EntryKey new_key = {};
R_TRY(this->FindFileRecursive(std::addressof(new_key), std::addressof(parent_entry), path));
R_TRY(this->CheckSameEntryExists(new_key, fs::ResultDbmAlreadyExists()));
RomFileEntry new_entry = {
.next = InvalidPosition,
.info = info,
};
Position new_pos = 0;
R_TRY_CATCH(m_file_table.Add(std::addressof(new_pos), new_key, new_entry)) {
R_CONVERT(fs::ResultDbmKeyFull, fs::ResultDbmFileEntryFull())
} R_END_TRY_CATCH;
*out = PositionToFileId(new_pos);
if (parent_entry.file == InvalidPosition) {
parent_entry.file = new_pos;
R_TRY(m_dir_table.SetByPosition(new_key.key.parent, parent_entry));
} else {
Position cur_pos = parent_entry.file;
while (true) {
RomEntryKey cur_key = {};
RomFileEntry cur_entry = {};
R_TRY(m_file_table.GetByPosition(std::addressof(cur_key), std::addressof(cur_entry), cur_pos));
if (cur_entry.next == InvalidPosition) {
cur_entry.next = new_pos;
R_TRY(m_file_table.SetByPosition(cur_pos, cur_entry));
break;
}
cur_pos = cur_entry.next;
}
}
R_SUCCEED();
}
Result HierarchicalRomFileTable::ConvertPathToDirectoryId(RomDirectoryId *out, const RomPathChar *path) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(path != nullptr);
RomDirectoryEntry parent_entry = {};
EntryKey key = {};
R_TRY(this->FindDirectoryRecursive(std::addressof(key), std::addressof(parent_entry), path));
Position pos = 0;
RomDirectoryEntry entry = {};
R_TRY(this->GetDirectoryEntry(std::addressof(pos), std::addressof(entry), key));
*out = PositionToDirectoryId(pos);
R_SUCCEED();
}
Result HierarchicalRomFileTable::ConvertPathToFileId(RomFileId *out, const RomPathChar *path) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(path != nullptr);
RomDirectoryEntry parent_entry = {};
EntryKey key = {};
R_TRY(this->FindDirectoryRecursive(std::addressof(key), std::addressof(parent_entry), path));
Position pos = 0;
RomFileEntry entry = {};
R_TRY(this->GetFileEntry(std::addressof(pos), std::addressof(entry), key));
*out = PositionToFileId(pos);
R_SUCCEED();
}
Result HierarchicalRomFileTable::OpenFile(FileInfo *out, const RomPathChar *path) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(path != nullptr);
RomDirectoryEntry parent_entry = {};
EntryKey key = {};
R_TRY(this->FindFileRecursive(std::addressof(key), std::addressof(parent_entry), path));
R_RETURN(this->OpenFile(out, key));
}
Result HierarchicalRomFileTable::OpenFile(FileInfo *out, RomFileId id) {
AMS_ASSERT(out != nullptr);
RomFileEntry entry = {};
R_TRY(this->GetFileEntry(std::addressof(entry), id));
*out = entry.info;
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindOpen(FindPosition *out, const RomPathChar *path) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(path != nullptr);
RomDirectoryEntry parent_entry = {};
EntryKey key = {};
R_TRY(this->FindDirectoryRecursive(std::addressof(key), std::addressof(parent_entry), path));
R_RETURN(this->FindOpen(out, key));
}
Result HierarchicalRomFileTable::FindOpen(FindPosition *out, RomDirectoryId id) {
AMS_ASSERT(out != nullptr);
out->next_dir = InvalidPosition;
out->next_file = InvalidPosition;
RomDirectoryEntry entry = {};
R_TRY(this->GetDirectoryEntry(std::addressof(entry), id));
out->next_dir = entry.dir;
out->next_file = entry.file;
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindNextDirectory(RomPathChar *out, FindPosition *find, size_t length) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(find != nullptr);
AMS_ASSERT(length > RomPathTool::MaxPathLength);
AMS_UNUSED(length);
R_UNLESS(find->next_dir != InvalidPosition, fs::ResultDbmFindFinished());
RomEntryKey key = {};
RomDirectoryEntry entry = {};
size_t aux_size = 0;
R_TRY(m_dir_table.GetByPosition(std::addressof(key), std::addressof(entry), out, std::addressof(aux_size), find->next_dir));
AMS_ASSERT(aux_size / sizeof(RomPathChar) <= RomPathTool::MaxPathLength);
out[aux_size / sizeof(RomPathChar)] = RomStringTraits::NullTerminator;
find->next_dir = entry.next;
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindNextFile(RomPathChar *out, FindPosition *find, size_t length) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(find != nullptr);
AMS_ASSERT(length > RomPathTool::MaxPathLength);
AMS_UNUSED(length);
R_UNLESS(find->next_file != InvalidPosition, fs::ResultDbmFindFinished());
RomEntryKey key = {};
RomFileEntry entry = {};
size_t aux_size = 0;
R_TRY(m_file_table.GetByPosition(std::addressof(key), std::addressof(entry), out, std::addressof(aux_size), find->next_file));
AMS_ASSERT(aux_size / sizeof(RomPathChar) <= RomPathTool::MaxPathLength);
out[aux_size / sizeof(RomPathChar)] = RomStringTraits::NullTerminator;
find->next_file = entry.next;
R_SUCCEED();
}
Result HierarchicalRomFileTable::QueryRomFileSystemSize(s64 *out_dir_entry_size, s64 *out_file_entry_size) {
AMS_ASSERT(out_dir_entry_size != nullptr);
AMS_ASSERT(out_file_entry_size != nullptr);
*out_dir_entry_size = m_dir_table.GetTotalEntrySize();
*out_file_entry_size = m_file_table.GetTotalEntrySize();
R_SUCCEED();
}
Result HierarchicalRomFileTable::GetParent(Position *out_pos, EntryKey *out_dir_key, RomDirectoryEntry *out_dir_entry, Position pos, RomPathTool::RomEntryName name, const RomPathChar *path) {
AMS_ASSERT(out_pos != nullptr);
AMS_ASSERT(out_dir_key != nullptr);
AMS_ASSERT(out_dir_entry != nullptr);
AMS_ASSERT(path != nullptr);
RomEntryKey p_key = {};
RomDirectoryEntry p_entry = {};
R_TRY(m_dir_table.GetByPosition(std::addressof(p_key), std::addressof(p_entry), pos));
out_dir_key->key = p_key;
R_TRY(RomPathTool::GetParentDirectoryName(std::addressof(out_dir_key->name), name, path));
R_TRY(this->GetDirectoryEntry(out_pos, out_dir_entry, *out_dir_key));
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindParentDirectoryRecursive(Position *out_pos, EntryKey *out_dir_key, RomDirectoryEntry *out_dir_entry, RomPathTool::PathParser *parser, const RomPathChar *path) {
AMS_ASSERT(out_pos != nullptr);
AMS_ASSERT(out_dir_key != nullptr);
AMS_ASSERT(out_dir_entry != nullptr);
AMS_ASSERT(parser != nullptr);
AMS_ASSERT(path != nullptr);
Position dir_pos = RootPosition;
EntryKey dir_key = {};
RomDirectoryEntry dir_entry = {};
dir_key.key.parent = RootPosition;
R_TRY(parser->GetNextDirectoryName(std::addressof(dir_key.name)));
R_TRY(this->GetDirectoryEntry(std::addressof(dir_pos), std::addressof(dir_entry), dir_key));
Position parent_pos = dir_pos;
while (!parser->IsParseFinished()) {
EntryKey old_key = dir_key;
R_TRY(parser->GetNextDirectoryName(std::addressof(dir_key.name)));
if (dir_key.name.IsCurrentDirectory()) {
dir_key = old_key;
continue;
} else if (dir_key.name.IsParentDirectory()) {
R_UNLESS(parent_pos != RootPosition, fs::ResultDirectoryUnobtainable());
R_TRY(this->GetParent(std::addressof(parent_pos), std::addressof(dir_key), std::addressof(dir_entry), dir_key.key.parent, dir_key.name, path));
} else {
dir_key.key.parent = parent_pos;
R_TRY_CATCH(this->GetDirectoryEntry(std::addressof(dir_pos), std::addressof(dir_entry), dir_key)) {
R_CONVERT(fs::ResultDbmInvalidOperation, fs::ResultDbmNotFound())
} R_END_TRY_CATCH;
parent_pos = dir_pos;
}
}
*out_pos = parent_pos;
*out_dir_key = dir_key;
*out_dir_entry = dir_entry;
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindPathRecursive(EntryKey *out_key, RomDirectoryEntry *out_dir_entry, bool is_dir, const RomPathChar *path) {
AMS_ASSERT(out_key != nullptr);
AMS_ASSERT(out_dir_entry != nullptr);
AMS_ASSERT(path != nullptr);
RomPathTool::PathParser parser;
R_TRY(parser.Initialize(path));
EntryKey parent_key = {};
Position parent_pos = 0;
R_TRY(this->FindParentDirectoryRecursive(std::addressof(parent_pos), std::addressof(parent_key), out_dir_entry, std::addressof(parser), path));
if (is_dir) {
RomPathTool::RomEntryName name = {};
R_TRY(parser.GetAsDirectoryName(std::addressof(name)));
if (name.IsCurrentDirectory()) {
*out_key = parent_key;
if (out_key->key.parent != RootPosition) {
Position pos = 0;
R_TRY(this->GetParent(std::addressof(pos), std::addressof(parent_key), out_dir_entry, out_key->key.parent, out_key->name, path));
}
} else if (name.IsParentDirectory()) {
R_UNLESS(parent_pos != RootPosition, fs::ResultDirectoryUnobtainable());
Position pos = 0;
RomDirectoryEntry cur_entry = {};
R_TRY(this->GetParent(std::addressof(pos), out_key, std::addressof(cur_entry), parent_key.key.parent, parent_key.name, path));
if (out_key->key.parent != RootPosition) {
R_TRY(this->GetParent(std::addressof(pos), std::addressof(parent_key), out_dir_entry, out_key->key.parent, out_key->name, path));
}
} else {
out_key->name = name;
out_key->key.parent = out_key->name.IsRootDirectory() ? RootPosition : parent_pos;
}
} else {
{
RomPathTool::RomEntryName name = {};
R_TRY(parser.GetAsDirectoryName(std::addressof(name)));
R_UNLESS(!name.IsParentDirectory() || parent_pos != RootPosition, fs::ResultDirectoryUnobtainable());
}
R_UNLESS(!parser.IsDirectoryPath(), fs::ResultDbmInvalidOperation());
out_key->key.parent = parent_pos;
R_TRY(parser.GetAsFileName(std::addressof(out_key->name)));
}
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindDirectoryRecursive(EntryKey *out_key, RomDirectoryEntry *out_dir_entry, const RomPathChar *path) {
AMS_ASSERT(out_key != nullptr);
AMS_ASSERT(out_dir_entry != nullptr);
AMS_ASSERT(path != nullptr);
R_RETURN(this->FindPathRecursive(out_key, out_dir_entry, true, path));
}
Result HierarchicalRomFileTable::FindFileRecursive(EntryKey *out_key, RomDirectoryEntry *out_dir_entry, const RomPathChar *path) {
AMS_ASSERT(out_key != nullptr);
AMS_ASSERT(out_dir_entry != nullptr);
AMS_ASSERT(path != nullptr);
R_RETURN(this->FindPathRecursive(out_key, out_dir_entry, false, path));
}
Result HierarchicalRomFileTable::CheckSameEntryExists(const EntryKey &key, Result if_exists) {
/* Check dir */
{
Position pos = InvalidPosition;
RomDirectoryEntry entry = {};
const Result get_res = m_dir_table.Get(std::addressof(pos), std::addressof(entry), key);
if (!fs::ResultDbmKeyNotFound::Includes(get_res)) {
R_TRY(get_res);
R_THROW(if_exists);
}
}
/* Check file */
{
Position pos = InvalidPosition;
RomFileEntry entry = {};
const Result get_res = m_file_table.Get(std::addressof(pos), std::addressof(entry), key);
if (!fs::ResultDbmKeyNotFound::Includes(get_res)) {
R_TRY(get_res);
R_THROW(if_exists);
}
}
R_SUCCEED();
}
Result HierarchicalRomFileTable::GetDirectoryEntry(Position *out_pos, RomDirectoryEntry *out_entry, const EntryKey &key) {
AMS_ASSERT(out_pos != nullptr);
AMS_ASSERT(out_entry != nullptr);
const Result dir_res = m_dir_table.Get(out_pos, out_entry, key);
R_UNLESS(R_FAILED(dir_res), dir_res);
R_UNLESS(fs::ResultDbmKeyNotFound::Includes(dir_res), dir_res);
Position pos = 0;
RomFileEntry entry = {};
const Result file_res = m_file_table.Get(std::addressof(pos), std::addressof(entry), key);
R_UNLESS(R_FAILED(file_res), fs::ResultDbmInvalidOperation());
R_UNLESS(!fs::ResultDbmKeyNotFound::Includes(file_res), fs::ResultDbmDirectoryNotFound());
R_RETURN(file_res);
}
Result HierarchicalRomFileTable::GetDirectoryEntry(RomDirectoryEntry *out_entry, RomDirectoryId id) {
AMS_ASSERT(out_entry != nullptr);
Position pos = DirectoryIdToPosition(id);
RomEntryKey key = {};
const Result dir_res = m_dir_table.GetByPosition(std::addressof(key), out_entry, pos);
R_UNLESS(R_FAILED(dir_res), dir_res);
R_UNLESS(fs::ResultDbmKeyNotFound::Includes(dir_res), dir_res);
RomFileEntry entry = {};
const Result file_res = m_file_table.GetByPosition(std::addressof(key), std::addressof(entry), pos);
R_UNLESS(R_FAILED(file_res), fs::ResultDbmInvalidOperation());
R_UNLESS(!fs::ResultDbmKeyNotFound::Includes(file_res), fs::ResultDbmDirectoryNotFound());
R_RETURN(file_res);
}
Result HierarchicalRomFileTable::GetFileEntry(Position *out_pos, RomFileEntry *out_entry, const EntryKey &key) {
AMS_ASSERT(out_pos != nullptr);
AMS_ASSERT(out_entry != nullptr);
const Result file_res = m_file_table.Get(out_pos, out_entry, key);
R_UNLESS(R_FAILED(file_res), file_res);
R_UNLESS(fs::ResultDbmKeyNotFound::Includes(file_res), file_res);
Position pos = 0;
RomDirectoryEntry entry = {};
const Result dir_res = m_dir_table.Get(std::addressof(pos), std::addressof(entry), key);
R_UNLESS(R_FAILED(dir_res), fs::ResultDbmInvalidOperation());
R_UNLESS(!fs::ResultDbmKeyNotFound::Includes(dir_res), fs::ResultDbmFileNotFound());
R_RETURN(dir_res);
}
Result HierarchicalRomFileTable::GetFileEntry(RomFileEntry *out_entry, RomFileId id) {
AMS_ASSERT(out_entry != nullptr);
Position pos = FileIdToPosition(id);
RomEntryKey key = {};
const Result file_res = m_file_table.GetByPosition(std::addressof(key), out_entry, pos);
R_UNLESS(R_FAILED(file_res), file_res);
R_UNLESS(fs::ResultDbmKeyNotFound::Includes(file_res), file_res);
RomDirectoryEntry entry = {};
const Result dir_res = m_dir_table.GetByPosition(std::addressof(key), std::addressof(entry), pos);
R_UNLESS(R_FAILED(dir_res), fs::ResultDbmInvalidOperation());
R_UNLESS(!fs::ResultDbmKeyNotFound::Includes(dir_res), fs::ResultDbmFileNotFound());
R_RETURN(dir_res);
}
Result HierarchicalRomFileTable::OpenFile(FileInfo *out, const EntryKey &key) {
AMS_ASSERT(out != nullptr);
Position pos = 0;
RomFileEntry entry = {};
R_TRY(this->GetFileEntry(std::addressof(pos), std::addressof(entry), key));
*out = entry.info;
R_SUCCEED();
}
Result HierarchicalRomFileTable::FindOpen(FindPosition *out, const EntryKey &key) {
AMS_ASSERT(out != nullptr);
out->next_dir = InvalidPosition;
out->next_file = InvalidPosition;
Position pos = 0;
RomDirectoryEntry entry = {};
R_TRY(this->GetDirectoryEntry(std::addressof(pos), std::addressof(entry), key));
out->next_dir = entry.dir;
out->next_file = entry.file;
R_SUCCEED();
}
}

181
Source/Atmosphere-MTC-Unlock/libraries/libstratosphere/source/fs/common/fs_dbm_rom_path_tool.cpp
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@@ -1,181 +0,0 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <stratosphere.hpp>
namespace ams::fs::RomPathTool {
Result PathParser::Initialize(const RomPathChar *path) {
AMS_ASSERT(path != nullptr);
/* Require paths start with a separator, and skip repeated separators. */
R_UNLESS(RomPathTool::IsSeparator(path[0]), fs::ResultDbmInvalidPathFormat());
while (RomPathTool::IsSeparator(path[1])) {
++path;
}
m_prev_path_start = path;
m_prev_path_end = path;
m_next_path = path + 1;
R_SUCCEED();
}
void PathParser::Finalize() {
m_prev_path_start = nullptr;
m_prev_path_end = nullptr;
m_next_path = nullptr;
m_finished = false;
}
bool PathParser::IsParseFinished() const {
return m_finished;
}
bool PathParser::IsDirectoryPath() const {
AMS_ASSERT(m_next_path != nullptr);
if (RomPathTool::IsNullTerminator(m_next_path[0]) && RomPathTool::IsSeparator(m_next_path[-1])) {
return true;
}
if (RomPathTool::IsCurrentDirectory(m_next_path)) {
return true;
}
return RomPathTool::IsParentDirectory(m_next_path);
}
Result PathParser::GetNextDirectoryName(RomEntryName *out) {
AMS_ASSERT(m_prev_path_start != nullptr);
AMS_ASSERT(m_prev_path_end != nullptr);
AMS_ASSERT(m_next_path != nullptr);
AMS_ASSERT(out != nullptr);
/* Get as directory name. */
R_TRY(this->GetAsDirectoryName(out));
/* Parse the next path. */
const RomPathChar *cur = m_next_path;
size_t name_len;
for (name_len = 0; !RomPathTool::IsSeparator(cur[name_len]); ++name_len) {
if (RomPathTool::IsNullTerminator(cur[name_len])) {
m_finished = true;
m_prev_path_start = m_next_path;
m_next_path = cur + name_len;
m_prev_path_end = cur + name_len;
R_SUCCEED();
}
}
/* Advance past separators. */
m_prev_path_start = m_next_path;
m_prev_path_end = cur + name_len;
for (m_next_path = m_prev_path_end + 1; RomPathTool::IsSeparator(m_next_path[0]); ++m_next_path) {
/* ... */
}
/* Check if we're finished. */
if (RomPathTool::IsNullTerminator(m_next_path[0])) {
m_finished = true;
}
R_SUCCEED();
}
Result PathParser::GetAsDirectoryName(RomEntryName *out) const {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(m_prev_path_start != nullptr);
AMS_ASSERT(m_prev_path_end != nullptr);
AMS_ASSERT(m_next_path != nullptr);
AMS_ASSERT(m_prev_path_start <= m_prev_path_end);
const size_t len = m_prev_path_end - m_prev_path_start;
R_UNLESS(len <= MaxPathLength, fs::ResultDbmDirectoryNameTooLong());
out->Initialize(m_prev_path_start, len);
R_SUCCEED();
}
Result PathParser::GetAsFileName(RomEntryName *out) const {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(m_prev_path_start != nullptr);
AMS_ASSERT(m_prev_path_end != nullptr);
AMS_ASSERT(m_next_path != nullptr);
AMS_ASSERT(m_prev_path_start <= m_prev_path_end);
const size_t len = m_prev_path_end - m_prev_path_start;
R_UNLESS(len <= MaxPathLength, fs::ResultDbmFileNameTooLong());
out->Initialize(m_prev_path_start, len);
R_SUCCEED();
}
Result GetParentDirectoryName(RomEntryName *out, const RomEntryName &cur, const RomPathChar *p) {
AMS_ASSERT(out != nullptr);
AMS_ASSERT(p != nullptr);
const RomPathChar *start = cur.begin();
const RomPathChar *end = cur.end() - 1;
s32 depth = 1;
if (cur.IsParentDirectory()) {
++depth;
}
if (start > p) {
size_t len = 0;
for (const RomPathChar *head = start - 1; head >= p; --head) {
if (RomPathTool::IsSeparator(*head)) {
if (IsCurrentDirectory(head + 1, len)) {
++depth;
}
if (IsParentDirectory(head + 1, len)) {
depth += 2;
}
if (depth == 0) {
start = head + 1;
break;
}
do {
--head;
} while (head > p && RomPathTool::IsSeparator(*head));
end = head;
len = 0;
--depth;
}
++len;
}
R_UNLESS(depth == 0, fs::ResultDirectoryUnobtainable());
}
if (end <= p) {
out->Initialize(p, 0);
} else {
out->Initialize(start, end - start + 1);
}
R_SUCCEED();
}
}

179
Source/Atmosphere-MTC-Unlock/libraries/libstratosphere/source/fs/common/fs_file_storage.cpp
View File

@@ -1,179 +0,0 @@
/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <stratosphere.hpp>
namespace ams::fs {
Result FileStorage::UpdateSize() {
R_SUCCEED_IF(m_size != InvalidSize);
R_RETURN(m_base_file->GetSize(std::addressof(m_size)));
}
Result FileStorage::Read(s64 offset, void *buffer, size_t size) {
/* Immediately succeed if there's nothing to read. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_TRY(IStorage::CheckAccessRange(offset, size, m_size));
size_t read_size;
R_RETURN(m_base_file->Read(std::addressof(read_size), offset, buffer, size));
}
Result FileStorage::Write(s64 offset, const void *buffer, size_t size) {
/* Immediately succeed if there's nothing to write. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_TRY(IStorage::CheckAccessRange(offset, size, m_size));
R_RETURN(m_base_file->Write(offset, buffer, size, fs::WriteOption()));
}
Result FileStorage::Flush() {
R_RETURN(m_base_file->Flush());
}
Result FileStorage::GetSize(s64 *out_size) {
R_TRY(this->UpdateSize());
*out_size = m_size;
R_SUCCEED();
}
Result FileStorage::SetSize(s64 size) {
m_size = InvalidSize;
R_RETURN(m_base_file->SetSize(size));
}
Result FileStorage::OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) {
switch (op_id) {
case OperationId::Invalidate:
R_RETURN(m_base_file->OperateRange(OperationId::Invalidate, offset, size));
case OperationId::QueryRange:
if (size == 0) {
R_UNLESS(dst != nullptr, fs::ResultNullptrArgument());
R_UNLESS(dst_size == sizeof(QueryRangeInfo), fs::ResultInvalidSize());
reinterpret_cast<QueryRangeInfo *>(dst)->Clear();
R_SUCCEED();
}
R_TRY(this->UpdateSize());
R_TRY(IStorage::CheckOffsetAndSize(offset, size));
R_RETURN(m_base_file->OperateRange(dst, dst_size, op_id, offset, size, src, src_size));
default:
R_THROW(fs::ResultUnsupportedOperateRangeForFileStorage());
}
}
Result FileStorageBasedFileSystem::Initialize(std::shared_ptr<fs::fsa::IFileSystem> base_file_system, const fs::Path &path, fs::OpenMode mode) {
/* Open the file. */
std::unique_ptr<fs::fsa::IFile> base_file;
R_TRY(base_file_system->OpenFile(std::addressof(base_file), path, mode));
/* Set the file. */
this->SetFile(std::move(base_file));
m_base_file_system = std::move(base_file_system);
R_SUCCEED();
}
Result FileHandleStorage::UpdateSize() {
R_SUCCEED_IF(m_size != InvalidSize);
R_RETURN(GetFileSize(std::addressof(m_size), m_handle));
}
Result FileHandleStorage::Read(s64 offset, void *buffer, size_t size) {
/* Lock the mutex. */
std::scoped_lock lk(m_mutex);
/* Immediately succeed if there's nothing to read. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_TRY(IStorage::CheckAccessRange(offset, size, m_size));
R_RETURN(ReadFile(m_handle, offset, buffer, size, fs::ReadOption()));
}
Result FileHandleStorage::Write(s64 offset, const void *buffer, size_t size) {
/* Lock the mutex. */
std::scoped_lock lk(m_mutex);
/* Immediately succeed if there's nothing to write. */
R_SUCCEED_IF(size == 0);
/* Validate buffer. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
/* Ensure our size is valid. */
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_TRY(IStorage::CheckAccessRange(offset, size, m_size));
R_RETURN(WriteFile(m_handle, offset, buffer, size, fs::WriteOption()));
}
Result FileHandleStorage::Flush() {
R_RETURN(FlushFile(m_handle));
}
Result FileHandleStorage::GetSize(s64 *out_size) {
R_TRY(this->UpdateSize());
*out_size = m_size;
R_SUCCEED();
}
Result FileHandleStorage::SetSize(s64 size) {
m_size = InvalidSize;
R_RETURN(SetFileSize(m_handle, size));
}
Result FileHandleStorage::OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) {
AMS_UNUSED(src, src_size);
switch (op_id) {
case OperationId::QueryRange:
/* Validate buffer and size. */
R_UNLESS(dst != nullptr, fs::ResultNullptrArgument());
R_UNLESS(dst_size == sizeof(QueryRangeInfo), fs::ResultInvalidSize());
R_RETURN(QueryRange(static_cast<QueryRangeInfo *>(dst), m_handle, offset, size));
default:
R_THROW(fs::ResultUnsupportedOperateRangeForFileHandleStorage());
}
}
}