rpcs3/rpcs3/Emu/Cell/lv2/sys_fs.cpp
Nekotekina 8fcebebae3 Implement lv2_mp_flag::cache
Identify /dev_hdd1 without unsafe path comparison.
2021-03-16 19:37:03 +03:00

2259 lines
46 KiB
C++

#include "stdafx.h"
#include "sys_sync.h"
#include "sys_fs.h"
#include "Emu/Cell/PPUThread.h"
#include "Crypto/unedat.h"
#include "Emu/System.h"
#include "Emu/VFS.h"
#include "Emu/IdManager.h"
#include "Utilities/StrUtil.h"
LOG_CHANNEL(sys_fs);
lv2_fs_mount_point g_mp_sys_dev_root;
lv2_fs_mount_point g_mp_sys_no_device;
lv2_fs_mount_point g_mp_sys_dev_hdd0{"/dev_hdd0"};
lv2_fs_mount_point g_mp_sys_dev_hdd1{"/dev_hdd1", 512, 32768, lv2_mp_flag::no_uid_gid + lv2_mp_flag::cache};
lv2_fs_mount_point g_mp_sys_dev_usb{"", 512, 4096, lv2_mp_flag::no_uid_gid};
lv2_fs_mount_point g_mp_sys_dev_bdvd{"", 2048, 65536, lv2_mp_flag::read_only + lv2_mp_flag::no_uid_gid};
lv2_fs_mount_point g_mp_sys_host_root{"", 512, 512, lv2_mp_flag::strict_get_block_size + lv2_mp_flag::no_uid_gid};
lv2_fs_mount_point g_mp_sys_dev_flash{"", 512, 8192, lv2_mp_flag::read_only + lv2_mp_flag::no_uid_gid};
bool verify_mself(const fs::file& mself_file)
{
FsMselfHeader mself_header;
if (!mself_file.read<FsMselfHeader>(mself_header))
{
sys_fs.error("verify_mself: Didn't read expected bytes for header.");
return false;
}
if (mself_header.m_magic != 0x4D534600u)
{
sys_fs.error("verify_mself: Header magic is incorrect.");
return false;
}
if (mself_header.m_format_version != 1u)
{
sys_fs.error("verify_mself: Unexpected header format version.");
return false;
}
// sanity check
if (mself_header.m_entry_size != sizeof(FsMselfEntry))
{
sys_fs.error("verify_mself: Unexpected header entry size.");
return false;
}
mself_file.seek(0);
return true;
}
lv2_fs_mount_point* lv2_fs_object::get_mp(std::string_view filename)
{
std::string_view mp_name, vpath = filename;
for (usz depth = 0;;)
{
// Skip one or more '/'
const auto pos = vpath.find_first_not_of('/');
if (pos == 0)
{
// Relative path (TODO)
return &g_mp_sys_no_device;
}
if (pos == umax)
{
break;
}
// Get fragment name
const auto name = vpath.substr(pos, vpath.find_first_of('/', pos) - pos);
vpath.remove_prefix(name.size() + pos);
// Process special directories
if (name == "."sv)
{
// Keep current
continue;
}
if (name == ".."sv)
{
// Root parent is root
if (depth == 0)
{
continue;
}
depth--;
continue;
}
if (depth++ == 0)
{
// Save mountpoint name
mp_name = name;
}
}
if (!mp_name.empty())
{
if (mp_name == "dev_hdd0"sv)
return &g_mp_sys_dev_hdd0;
if (mp_name == "dev_hdd1"sv)
return &g_mp_sys_dev_hdd1;
if (mp_name.starts_with("dev_usb"sv))
return &g_mp_sys_dev_usb;
if (mp_name == "dev_bdvd"sv)
return &g_mp_sys_dev_bdvd;
if (mp_name == "app_home"sv && filename.data() != Emu.argv[0].data())
return lv2_fs_object::get_mp(Emu.argv[0]);
if (mp_name == "host_root"sv)
return &g_mp_sys_host_root;
if (mp_name == "dev_flash"sv)
return &g_mp_sys_dev_flash;
// Default
return &g_mp_sys_dev_hdd0;
}
// Default fallback
return &g_mp_sys_dev_root;
}
u64 lv2_file::op_read(const fs::file& file, vm::ptr<void> buf, u64 size)
{
// Copy data from intermediate buffer (avoid passing vm pointer to a native API)
uchar local_buf[65536];
u64 result = 0;
while (result < size)
{
const u64 block = std::min<u64>(size - result, sizeof(local_buf));
const u64 nread = file.read(+local_buf, block);
std::memcpy(static_cast<uchar*>(buf.get_ptr()) + result, local_buf, nread);
result += nread;
if (nread < block)
{
break;
}
}
return result;
}
u64 lv2_file::op_write(const fs::file& file, vm::cptr<void> buf, u64 size)
{
// Copy data to intermediate buffer (avoid passing vm pointer to a native API)
uchar local_buf[65536];
u64 result = 0;
while (result < size)
{
const u64 block = std::min<u64>(size - result, sizeof(local_buf));
std::memcpy(local_buf, static_cast<const uchar*>(buf.get_ptr()) + result, block);
const u64 nwrite = file.write(+local_buf, block);
result += nwrite;
if (nwrite < block)
{
break;
}
}
return result;
}
struct lv2_file::file_view : fs::file_base
{
const std::shared_ptr<lv2_file> m_file;
const u64 m_off;
u64 m_pos;
explicit file_view(const std::shared_ptr<lv2_file>& _file, u64 offset)
: m_file(_file)
, m_off(offset)
, m_pos(0)
{
}
~file_view() override
{
}
fs::stat_t stat() override
{
return m_file->file.stat();
}
bool trunc(u64) override
{
return false;
}
u64 read(void* buffer, u64 size) override
{
const u64 old_pos = m_file->file.pos();
m_file->file.seek(m_off + m_pos);
const u64 result = m_file->file.read(buffer, size);
ensure(old_pos == m_file->file.seek(old_pos));
m_pos += result;
return result;
}
u64 write(const void*, u64) override
{
return 0;
}
u64 seek(s64 offset, fs::seek_mode whence) override
{
const s64 new_pos =
whence == fs::seek_set ? offset :
whence == fs::seek_cur ? offset + m_pos :
whence == fs::seek_end ? offset + size() : -1;
if (new_pos < 0)
{
fs::g_tls_error = fs::error::inval;
return -1;
}
m_pos = new_pos;
return m_pos;
}
u64 size() override
{
return m_file->file.size();
}
};
fs::file lv2_file::make_view(const std::shared_ptr<lv2_file>& _file, u64 offset)
{
fs::file result;
result.reset(std::make_unique<lv2_file::file_view>(_file, offset));
return result;
}
error_code sys_fs_test(ppu_thread&, u32 arg1, u32 arg2, vm::ptr<u32> arg3, u32 arg4, vm::ptr<char> buf, u32 buf_size)
{
sys_fs.trace("sys_fs_test(arg1=0x%x, arg2=0x%x, arg3=*0x%x, arg4=0x%x, buf=*0x%x, buf_size=0x%x)", arg1, arg2, arg3, arg4, buf, buf_size);
if (arg1 != 6 || arg2 != 0 || arg4 != sizeof(u32))
{
sys_fs.todo("sys_fs_test: unknown arguments (arg1=0x%x, arg2=0x%x, arg3=*0x%x, arg4=0x%x)", arg1, arg2, arg3, arg4);
}
if (!arg3)
{
return CELL_EFAULT;
}
const auto file = idm::get<lv2_fs_object>(*arg3);
if (!file)
{
return CELL_EBADF;
}
for (u32 i = 0; i < buf_size; i++)
{
if (!(buf[i] = file->name[i]))
{
return CELL_OK;
}
}
buf[buf_size - 1] = 0;
return CELL_OK;
}
lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s32 flags, s32 /*mode*/, lv2_file_type type, const lv2_fs_mount_point* mp)
{
// TODO: other checks for path
if (fs::is_dir(local_path))
{
return {CELL_EISDIR};
}
bs_t<fs::open_mode> open_mode{};
switch (flags & CELL_FS_O_ACCMODE)
{
case CELL_FS_O_RDONLY: open_mode += fs::read; break;
case CELL_FS_O_WRONLY: open_mode += fs::write; break;
case CELL_FS_O_RDWR: open_mode += fs::read + fs::write; break;
}
if (mp->flags & lv2_mp_flag::read_only)
{
if (flags & CELL_FS_O_ACCMODE || flags & (CELL_FS_O_CREAT | CELL_FS_O_TRUNC))
{
return {CELL_EPERM};
}
}
if (flags & CELL_FS_O_CREAT)
{
open_mode += fs::create;
if (flags & CELL_FS_O_EXCL)
{
open_mode += fs::excl;
}
}
if (flags & CELL_FS_O_TRUNC)
{
open_mode += fs::trunc;
}
if (flags & CELL_FS_O_MSELF)
{
open_mode = fs::read;
// mself can be mself or mself | rdonly
if (flags & ~(CELL_FS_O_MSELF | CELL_FS_O_RDONLY))
{
open_mode = {};
}
}
if (flags & CELL_FS_O_UNK)
{
sys_fs.warning("lv2_file::open() called with CELL_FS_O_UNK flag enabled. FLAGS: %#o", flags);
}
if (mp->flags & lv2_mp_flag::read_only)
{
// Deactivate mutating flags on read-only FS
open_mode = fs::read;
}
// Tests have shown that invalid combinations get resolved internally (without exceptions), but that would complicate code with minimal accuracy gains.
// For example, no games are known to try and call TRUNCATE | APPEND | RW, or APPEND | READ, which currently would cause an exception.
if (flags & ~(CELL_FS_O_UNK | CELL_FS_O_ACCMODE | CELL_FS_O_CREAT | CELL_FS_O_TRUNC | CELL_FS_O_APPEND | CELL_FS_O_EXCL | CELL_FS_O_MSELF))
{
open_mode = {}; // error
}
if ((flags & CELL_FS_O_ACCMODE) == CELL_FS_O_ACCMODE)
{
open_mode = {}; // error
}
if (!open_mode)
{
fmt::throw_exception("lv2_file::open_raw(): Invalid or unimplemented flags: %#o", flags);
}
std::lock_guard lock(mp->mutex);
fs::file file(local_path, open_mode);
if (!file && open_mode == fs::read && fs::g_tls_error == fs::error::noent)
{
// Try to gather split file (TODO)
std::vector<fs::file> fragments;
for (u32 i = 66600; i <= 66699; i++)
{
if (fs::file fragment{fmt::format("%s.%u", local_path, i)})
{
fragments.emplace_back(std::move(fragment));
}
else
{
break;
}
}
if (!fragments.empty())
{
file = fs::make_gather(std::move(fragments));
}
}
if (!file)
{
if (mp->flags & lv2_mp_flag::read_only)
{
// Failed to create file on read-only FS (file doesn't exist)
if (flags & CELL_FS_O_CREAT)
{
return {CELL_EROFS};
}
}
if (open_mode & fs::excl && fs::g_tls_error == fs::error::exist)
{
return {CELL_EEXIST};
}
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT};
default: sys_fs.error("lv2_file::open(): unknown error %s", error);
}
return {CELL_EIO};
}
if (mp->flags & lv2_mp_flag::read_only)
{
// Failed to create file on read-only FS (file exists)
if (flags & CELL_FS_O_CREAT && flags & CELL_FS_O_EXCL)
{
return {CELL_EEXIST};
}
// Failed to truncate file on read-only FS
if (flags & CELL_FS_O_TRUNC)
{
return {CELL_EROFS};
}
}
if (flags & CELL_FS_O_MSELF && !verify_mself(file))
{
return {CELL_ENOTMSELF};
}
if (type >= lv2_file_type::sdata)
{
// check for sdata
switch (type)
{
case lv2_file_type::sdata:
{
// check if the file has the NPD header, or else assume its not encrypted
u32 magic;
file.read<u32>(magic);
file.seek(0);
if (magic == "NPD\0"_u32)
{
auto sdata_file = std::make_unique<EDATADecrypter>(std::move(file));
if (!sdata_file->ReadHeader())
{
return {CELL_EFSSPECIFIC};
}
file.reset(std::move(sdata_file));
}
break;
}
// edata
case lv2_file_type::edata:
{
// check if the file has the NPD header, or else assume its not encrypted
u32 magic;
file.read<u32>(magic);
file.seek(0);
if (magic == "NPD\0"_u32)
{
auto& edatkeys = g_fxo->get<loaded_npdrm_keys>();
auto sdata_file = std::make_unique<EDATADecrypter>(std::move(file), edatkeys.devKlic.load(), edatkeys.rifKey.load());
if (!sdata_file->ReadHeader())
{
return {CELL_EFSSPECIFIC};
}
file.reset(std::move(sdata_file));
}
break;
}
default: break;
}
}
return {.error = {}, .file = std::move(file)};
}
lv2_file::open_result_t lv2_file::open(std::string_view vpath, s32 flags, s32 mode, const void* arg, u64 size)
{
if (vpath.empty())
{
return {CELL_ENOENT};
}
std::string path;
const std::string local_path = vfs::get(vpath, nullptr, &path);
const auto mp = lv2_fs_object::get_mp(path);
if (mp == &g_mp_sys_dev_root)
{
return {CELL_EISDIR, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
lv2_file_type type = lv2_file_type::regular;
if (size == 8)
{
// see lv2_file::open_raw
switch (*static_cast<const be_t<u64>*>(arg))
{
case 0x18000000010: type = lv2_file_type::sdata; break;
case 0x2: type = lv2_file_type::edata; break;
default:
break;
}
}
auto [error, file] = open_raw(local_path, flags, mode, type, mp);
return {.error = error, .ppath = std::move(path), .real_path = std::move(local_path), .file = std::move(file), .type = type};
}
error_code sys_fs_open(ppu_thread& ppu, vm::cptr<char> path, s32 flags, vm::ptr<u32> fd, s32 mode, vm::cptr<void> arg, u64 size)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_open(path=%s, flags=%#o, fd=*0x%x, mode=%#o, arg=*0x%x, size=0x%llx)", path, flags, fd, mode, arg, size);
if (!path)
return CELL_EFAULT;
auto [error, ppath, real, file, type] = lv2_file::open(path.get_ptr(), flags, mode, arg.get_ptr(), size);
if (error)
{
if (error == CELL_EEXIST)
{
return not_an_error(CELL_EEXIST);
}
return {error, path};
}
if (type >= lv2_file_type::sdata)
{
sys_fs.warning("sys_fs_open(): NPDRM detected");
if (const u32 id = idm::import<lv2_fs_object, lv2_file>([&ppath = ppath, &file = file, mode, flags, &real = real, &type = type]() -> std::shared_ptr<lv2_file>
{
if (!g_fxo->get<loaded_npdrm_keys>().npdrm_fds.try_inc(16))
{
return nullptr;
}
return std::make_shared<lv2_file>(ppath, std::move(file), mode, flags, real, type);
}))
{
*fd = id;
return CELL_OK;
}
}
else if (const u32 id = idm::make<lv2_fs_object, lv2_file>(ppath, std::move(file), mode, flags, real))
{
*fd = id;
return CELL_OK;
}
// Out of file descriptors
return {CELL_EMFILE, path};
}
error_code sys_fs_read(ppu_thread& ppu, u32 fd, vm::ptr<void> buf, u64 nbytes, vm::ptr<u64> nread)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.trace("sys_fs_read(fd=%d, buf=*0x%x, nbytes=0x%llx, nread=*0x%x)", fd, buf, nbytes, nread);
if (!nread)
{
return CELL_EFAULT;
}
if (!buf)
{
nread.try_write(0);
return CELL_EFAULT;
}
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file || file->flags & CELL_FS_O_WRONLY)
{
nread.try_write(0); // nread writing is allowed to fail, error code is unchanged
return CELL_EBADF;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (file->lock == 2)
{
nread.try_write(0);
return CELL_EIO;
}
*nread = file->op_read(buf, nbytes);
return CELL_OK;
}
error_code sys_fs_write(ppu_thread& ppu, u32 fd, vm::cptr<void> buf, u64 nbytes, vm::ptr<u64> nwrite)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.trace("sys_fs_write(fd=%d, buf=*0x%x, nbytes=0x%llx, nwrite=*0x%x)", fd, buf, nbytes, nwrite);
if (!nwrite)
{
return CELL_EFAULT;
}
if (!buf)
{
nwrite.try_write(0);
return CELL_EFAULT;
}
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file || !(file->flags & CELL_FS_O_ACCMODE))
{
nwrite.try_write(0); // nwrite writing is allowed to fail, error code is unchanged
return CELL_EBADF;
}
if (file->mp->flags & lv2_mp_flag::read_only)
{
nwrite.try_write(0);
return CELL_EROFS;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (file->lock)
{
if (file->lock == 2)
{
nwrite.try_write(0);
return CELL_EIO;
}
nwrite.try_write(0);
return CELL_EBUSY;
}
if (file->flags & CELL_FS_O_APPEND)
{
file->file.seek(0, fs::seek_end);
}
*nwrite = file->op_write(buf, nbytes);
return CELL_OK;
}
error_code sys_fs_close(ppu_thread& ppu, u32 fd)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.trace("sys_fs_close(fd=%d)", fd);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
{
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (!(file->mp->flags & (lv2_mp_flag::read_only + lv2_mp_flag::cache)) && file->flags & CELL_FS_O_ACCMODE)
{
// Special: Ensure temporary directory for gamedata writes will remain on disk before final gamedata commitment
file->file.sync(); // For cellGameContentPermit atomicity
}
// Ensure Host file handle won't be kept open after this syscall
file->file.close();
}
const auto ret = idm::withdraw<lv2_fs_object, lv2_file>(fd, [&](lv2_file& _file) -> CellError
{
if (file.get() != std::addressof(_file))
{
// Other thread destroyed the object inbetween
return CELL_EBADF;
}
if (_file.type >= lv2_file_type::sdata)
{
g_fxo->get<loaded_npdrm_keys>().npdrm_fds--;
}
return {};
});
if (!ret || ret.ret == CELL_EBADF)
{
return CELL_EBADF;
}
if (file->lock == 1)
{
return CELL_EBUSY;
}
return CELL_OK;
}
error_code sys_fs_opendir(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u32> fd)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_opendir(path=%s, fd=*0x%x)", path, fd);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
std::string processed_path;
std::vector<std::string> ext;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath, &ext, &processed_path);
processed_path += "/";
const auto mp = lv2_fs_object::get_mp(vpath);
if (local_path.empty() && ext.empty())
{
return {CELL_ENOTMOUNTED, path};
}
// TODO: other checks for path
if (fs::is_file(local_path))
{
return {CELL_ENOTDIR, path};
}
std::lock_guard lock(mp->mutex);
fs::dir dir(local_path);
if (!dir)
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent:
{
if (ext.empty())
{
return {CELL_ENOENT, path};
}
break;
}
default:
{
sys_fs.error("sys_fs_opendir(): unknown error %s", error);
return {CELL_EIO, path};
}
}
}
// Build directory as a vector of entries
std::vector<fs::dir_entry> data;
if (dir)
{
// Add real directories
while (dir.read(data.emplace_back()))
{
// Preprocess entries
data.back().name = vfs::unescape(data.back().name);
if (!data.back().is_directory && data.back().name == "."sv)
{
// Files hidden from emulation
data.resize(data.size() - 1);
continue;
}
// Add additional entries for split file candidates (while ends with .66600)
while (data.back().name.ends_with(".66600"))
{
data.emplace_back(data.back()).name.resize(data.back().name.size() - 6);
}
}
data.resize(data.size() - 1);
}
else
{
data.emplace_back().name = ".";
data.back().is_directory = true;
data.emplace_back().name = "..";
data.back().is_directory = true;
}
// Add mount points (TODO)
for (auto&& ex : ext)
{
data.emplace_back().name = std::move(ex);
data.back().is_directory = true;
}
// Sort files, keeping . and ..
std::stable_sort(data.begin() + 2, data.end(), [](const fs::dir_entry& a, const fs::dir_entry& b)
{
return a.name < b.name;
});
// Remove duplicates
const auto last = std::unique(data.begin(), data.end(), [](const fs::dir_entry& a, const fs::dir_entry& b)
{
return a.name == b.name;
});
data.erase(last, data.end());
if (const u32 id = idm::make<lv2_fs_object, lv2_dir>(processed_path, std::move(data)))
{
*fd = id;
return CELL_OK;
}
// Out of file descriptors
return CELL_EMFILE;
}
error_code sys_fs_readdir(ppu_thread& ppu, u32 fd, vm::ptr<CellFsDirent> dir, vm::ptr<u64> nread)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_readdir(fd=%d, dir=*0x%x, nread=*0x%x)", fd, dir, nread);
const auto directory = idm::get<lv2_fs_object, lv2_dir>(fd);
if (!directory)
{
return CELL_EBADF;
}
if (auto* info = directory->dir_read())
{
dir->d_type = info->is_directory ? CELL_FS_TYPE_DIRECTORY : CELL_FS_TYPE_REGULAR;
dir->d_namlen = u8(std::min<usz>(info->name.size(), CELL_FS_MAX_FS_FILE_NAME_LENGTH));
strcpy_trunc(dir->d_name, info->name);
*nread = sizeof(CellFsDirent);
}
else
{
*nread = 0;
}
return CELL_OK;
}
error_code sys_fs_closedir(ppu_thread& ppu, u32 fd)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_closedir(fd=%d)", fd);
if (!idm::remove<lv2_fs_object, lv2_dir>(fd))
{
return CELL_EBADF;
}
return CELL_OK;
}
error_code sys_fs_stat(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<CellFsStat> sb)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_stat(path=%s, sb=*0x%x)", path, sb);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp == &g_mp_sys_dev_root)
{
sb->mode = CELL_FS_S_IFDIR | 0711;
sb->uid = -1;
sb->gid = -1;
sb->atime = -1;
sb->mtime = -1;
sb->ctime = -1;
sb->size = 258;
sb->blksize = 512;
return CELL_OK;
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
std::lock_guard lock(mp->mutex);
fs::stat_t info{};
if (!fs::stat(local_path, info))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent:
{
// Try to analyse split file (TODO)
u64 total_size = 0;
for (u32 i = 66601; i <= 66699; i++)
{
if (fs::stat(fmt::format("%s.%u", local_path, i), info) && !info.is_directory)
{
total_size += info.size;
}
else
{
break;
}
}
// Use attributes from the first fragment (consistently with sys_fs_open+fstat)
if (fs::stat(local_path + ".66600", info) && !info.is_directory)
{
// Success
info.size += total_size;
break;
}
return {CELL_ENOENT, path};
}
default:
{
sys_fs.error("sys_fs_stat(): unknown error %s", error);
return {CELL_EIO, path};
}
}
}
sb->mode = info.is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
sb->uid = mp->flags & lv2_mp_flag::no_uid_gid ? -1 : 0;
sb->gid = mp->flags & lv2_mp_flag::no_uid_gid ? -1 : 0;
sb->atime = info.atime;
sb->mtime = info.mtime;
sb->ctime = info.ctime;
sb->size = info.is_directory ? mp->block_size : info.size;
sb->blksize = mp->block_size;
if (mp->flags & lv2_mp_flag::read_only)
{
// Remove write permissions
sb->mode &= ~0222;
}
return CELL_OK;
}
error_code sys_fs_fstat(ppu_thread& ppu, u32 fd, vm::ptr<CellFsStat> sb)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_fstat(fd=%d, sb=*0x%x)", fd, sb);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (file->lock == 2)
{
return CELL_EIO;
}
const fs::stat_t& info = file->file.stat();
sb->mode = info.is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
sb->uid = file->mp->flags & lv2_mp_flag::no_uid_gid ? -1 : 0;
sb->gid = file->mp->flags & lv2_mp_flag::no_uid_gid ? -1 : 0;
sb->atime = info.atime;
sb->mtime = info.mtime;
sb->ctime = info.ctime; // ctime may be incorrect
sb->size = info.size;
sb->blksize = file->mp->block_size;
if (file->mp->flags & lv2_mp_flag::read_only)
{
// Remove write permissions
sb->mode &= ~0222;
}
return CELL_OK;
}
error_code sys_fs_link(ppu_thread&, vm::cptr<char> from, vm::cptr<char> to)
{
sys_fs.todo("sys_fs_link(from=%s, to=%s)", from, to);
return CELL_OK;
}
error_code sys_fs_mkdir(ppu_thread& ppu, vm::cptr<char> path, s32 mode)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_mkdir(path=%s, mode=%#o)", path, mode);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp == &g_mp_sys_dev_root)
{
return {CELL_EEXIST, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
return {CELL_EROFS, path};
}
std::lock_guard lock(mp->mutex);
if (!fs::create_dir(local_path))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT, path};
case fs::error::exist: return {CELL_EEXIST, path};
default: sys_fs.error("sys_fs_mkdir(): unknown error %s", error);
}
return {CELL_EIO, path}; // ???
}
sys_fs.notice("sys_fs_mkdir(): directory %s created", path);
return CELL_OK;
}
error_code sys_fs_rename(ppu_thread& ppu, vm::cptr<char> from, vm::cptr<char> to)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_rename(from=%s, to=%s)", from, to);
const std::string_view vfrom = from.get_ptr();
const std::string local_from = vfs::get(vfrom);
const std::string_view vto = to.get_ptr();
const std::string local_to = vfs::get(vto);
const auto mp = lv2_fs_object::get_mp(vfrom);
const auto mp_to = lv2_fs_object::get_mp(vto);
if (mp == &g_mp_sys_dev_root || mp_to == &g_mp_sys_dev_root)
{
return CELL_EPERM;
}
if (local_from.empty() || local_to.empty())
{
return CELL_ENOTMOUNTED;
}
if (mp != mp_to)
{
return CELL_EXDEV;
}
if (mp->flags & lv2_mp_flag::read_only)
{
return CELL_EROFS;
}
// Done in vfs::host::rename
//std::lock_guard lock(mp->mutex);
if (!vfs::host::rename(local_from, local_to, mp, false))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT, from};
case fs::error::exist: return {CELL_EEXIST, to};
default: sys_fs.error("sys_fs_rename(): unknown error %s", error);
}
return {CELL_EIO, from}; // ???
}
sys_fs.notice("sys_fs_rename(): %s renamed to %s", from, to);
return CELL_OK;
}
error_code sys_fs_rmdir(ppu_thread& ppu, vm::cptr<char> path)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_rmdir(path=%s)", path);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp == &g_mp_sys_dev_root)
{
return {CELL_EPERM, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
return {CELL_EROFS, path};
}
std::lock_guard lock(mp->mutex);
if (!fs::remove_dir(local_path))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT, path};
case fs::error::notempty: return {CELL_ENOTEMPTY, path};
default: sys_fs.error("sys_fs_rmdir(): unknown error %s", error);
}
return {CELL_EIO, path}; // ???
}
sys_fs.notice("sys_fs_rmdir(): directory %s removed", path);
return CELL_OK;
}
error_code sys_fs_unlink(ppu_thread& ppu, vm::cptr<char> path)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_unlink(path=%s)", path);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp == &g_mp_sys_dev_root)
{
return {CELL_EISDIR, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
if (fs::is_dir(local_path))
{
return {CELL_EISDIR, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
return {CELL_EROFS, path};
}
std::lock_guard lock(mp->mutex);
// Provide default mp root or use parent directory if not available (such as host_root)
if (!vfs::host::unlink(local_path, vfs::get(mp->root.empty() ? vpath.substr(0, vpath.find_last_of('/')) : mp->root)))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT, path};
default: sys_fs.error("sys_fs_unlink(): unknown error %s", error);
}
return {CELL_EIO, path}; // ???
}
sys_fs.notice("sys_fs_unlink(): file %s deleted", path);
return CELL_OK;
}
error_code sys_fs_access(ppu_thread&, vm::cptr<char> path, s32 mode)
{
sys_fs.todo("sys_fs_access(path=%s, mode=%#o)", path, mode);
return CELL_OK;
}
error_code sys_fs_fcntl(ppu_thread& ppu, u32 fd, u32 op, vm::ptr<void> _arg, u32 _size)
{
ppu.state += cpu_flag::wait;
sys_fs.trace("sys_fs_fcntl(fd=%d, op=0x%x, arg=*0x%x, size=0x%x)", fd, op, _arg, _size);
switch (op)
{
case 0x80000006: // cellFsAllocateFileAreaByFdWithInitialData
{
break;
}
case 0x80000007: // cellFsAllocateFileAreaByFdWithoutZeroFill
{
break;
}
case 0x80000008: // cellFsChangeFileSizeByFdWithoutAllocation
{
break;
}
case 0x8000000a: // cellFsReadWithOffset
case 0x8000000b: // cellFsWriteWithOffset
{
lv2_obj::sleep(ppu);
const auto arg = vm::static_ptr_cast<lv2_file_op_rw>(_arg);
if (_size < arg.size())
{
return CELL_EINVAL;
}
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
if (op == 0x8000000a && file->flags & CELL_FS_O_WRONLY)
{
return CELL_EBADF;
}
if (op == 0x8000000b && !(file->flags & CELL_FS_O_ACCMODE))
{
return CELL_EBADF;
}
if (op == 0x8000000b && file->flags & CELL_FS_O_APPEND)
{
return CELL_EBADF;
}
if (op == 0x8000000b && file->mp->flags & lv2_mp_flag::read_only)
{
return CELL_EROFS;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (file->lock == 2)
{
return CELL_EIO;
}
if (op == 0x8000000b && file->lock)
{
return CELL_EBUSY;
}
const u64 old_pos = file->file.pos();
file->file.seek(arg->offset);
arg->out_size = op == 0x8000000a
? file->op_read(arg->buf, arg->size)
: file->op_write(arg->buf, arg->size);
ensure(old_pos == file->file.seek(old_pos));
arg->out_code = CELL_OK;
return CELL_OK;
}
case 0x80000009: // cellFsSdataOpenByFd
{
lv2_obj::sleep(ppu);
const auto arg = vm::static_ptr_cast<lv2_file_op_09>(_arg);
if (_size < arg.size())
{
return CELL_EINVAL;
}
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
auto sdata_file = std::make_unique<EDATADecrypter>(lv2_file::make_view(file, arg->offset));
if (!sdata_file->ReadHeader())
{
return CELL_EFSSPECIFIC;
}
fs::file stream;
stream.reset(std::move(sdata_file));
if (const u32 id = idm::import<lv2_fs_object, lv2_file>([&file = *file, &stream = stream]() -> std::shared_ptr<lv2_file>
{
if (!g_fxo->get<loaded_npdrm_keys>().npdrm_fds.try_inc(16))
{
return nullptr;
}
return std::make_shared<lv2_file>(file, std::move(stream), file.mode, file.flags, file.real_path, lv2_file_type::sdata);
}))
{
arg->out_code = CELL_OK;
arg->out_fd = id;
return CELL_OK;
}
// Out of file descriptors
return CELL_EMFILE;
}
case 0xc0000002: // cellFsGetFreeSize (TODO)
{
lv2_obj::sleep(ppu);
const auto arg = vm::static_ptr_cast<lv2_file_c0000002>(_arg);
const auto mp = lv2_fs_object::get_mp("/dev_hdd0");
arg->out_block_size = mp->block_size;
arg->out_block_count = (40ull * 1024 * 1024 * 1024 - 1) / mp->block_size; // Read explanation in cellHddGameCheck
return CELL_OK;
}
case 0xc0000006: // Unknown
{
const auto arg = vm::static_ptr_cast<lv2_file_c0000006>(_arg);
if (arg->size != 0x20u)
{
sys_fs.error("sys_fs_fcntl(0xc0000006): invalid size (0x%x)", arg->size);
break;
}
if (arg->_x4 != 0x10u || arg->_x8 != 0x18u)
{
sys_fs.error("sys_fs_fcntl(0xc0000006): invalid args (0x%x, 0x%x)", arg->_x4, arg->_x8);
break;
}
// Load mountpoint (doesn't support multiple // at the start)
std::string_view vpath{arg->name.get_ptr(), arg->name_size};
sys_fs.notice("sys_fs_fcntl(0xc0000006): %s", vpath);
// Check only mountpoint
vpath = vpath.substr(0, vpath.find_first_of("/", 1));
// Some mountpoints seem to be handled specially
if (false)
{
// TODO: /dev_hdd1, /dev_usb000, /dev_flash
//arg->out_code = CELL_OK;
//arg->out_id = 0x1b5;
}
arg->out_code = CELL_ENOTSUP;
arg->out_id = 0;
return CELL_OK;
}
case 0xc0000007: // cellFsArcadeHddSerialNumber
{
break;
}
case 0xc0000008: // cellFsSetDefaultContainer, cellFsSetIoBuffer, cellFsSetIoBufferFromDefaultContainer
{
break;
}
case 0xc0000015: // Unknown
{
break;
}
case 0xc0000016: // ps2disc_8160A811
{
break;
}
case 0xc000001a: // cellFsSetDiscReadRetrySetting, 5731DF45
{
break;
}
case 0xc0000021: // 9FDBBA89
{
break;
}
case 0xe0000000: // Unknown (cellFsGetBlockSize)
{
break;
}
case 0xe0000001: // Unknown (cellFsStat)
{
break;
}
case 0xe0000003: // Unknown
{
break;
}
case 0xe0000004: // Unknown
{
break;
}
case 0xe0000005: // Unknown (cellFsMkdir)
{
break;
}
case 0xe0000006: // Unknown
{
break;
}
case 0xe0000007: // Unknown
{
break;
}
case 0xe0000008: // Unknown (cellFsAclRead)
{
break;
}
case 0xe0000009: // Unknown (cellFsAccess)
{
break;
}
case 0xe000000a: // Unknown (E3D28395)
{
break;
}
case 0xe000000b: // Unknown (cellFsRename, FF29F478)
{
break;
}
case 0xe000000c: // Unknown (cellFsTruncate)
{
break;
}
case 0xe000000d: // Unknown (cellFsUtime)
{
break;
}
case 0xe000000e: // Unknown (cellFsAclWrite)
{
break;
}
case 0xe000000f: // Unknown (cellFsChmod)
{
break;
}
case 0xe0000010: // Unknown (cellFsChown)
{
break;
}
case 0xe0000011: // Unknown
{
break;
}
case 0xe0000012: // cellFsGetDirectoryEntries
{
lv2_obj::sleep(ppu);
const auto arg = vm::static_ptr_cast<lv2_file_op_dir::dir_info>(_arg);
if (_size < arg.size())
{
return CELL_EINVAL;
}
const auto directory = idm::get<lv2_fs_object, lv2_dir>(fd);
if (!directory)
{
return CELL_EBADF;
}
arg->_size = 0; // This write is not really useful for cellFs but do it anyways
// NOTE: This function is actually capable of reading only one entry at a time
if (arg->max)
{
std::memset(arg->ptr.get_ptr(), 0, arg->max * arg->ptr.size());
if (auto* info = directory->dir_read())
{
auto& entry = arg->ptr[arg->_size++];
entry.attribute.mode = info->is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
entry.attribute.uid = directory->mp->flags & lv2_mp_flag::no_uid_gid ? -1 : 0;
entry.attribute.gid = directory->mp->flags & lv2_mp_flag::no_uid_gid ? -1 : 0;
entry.attribute.atime = info->atime;
entry.attribute.mtime = info->mtime;
entry.attribute.ctime = info->ctime;
entry.attribute.size = info->size;
entry.attribute.blksize = directory->mp->block_size;
if (directory->mp->flags & lv2_mp_flag::read_only)
{
// Remove write permissions
entry.attribute.mode &= ~0222;
}
entry.entry_name.d_type = info->is_directory ? CELL_FS_TYPE_DIRECTORY : CELL_FS_TYPE_REGULAR;
entry.entry_name.d_namlen = u8(std::min<usz>(info->name.size(), CELL_FS_MAX_FS_FILE_NAME_LENGTH));
strcpy_trunc(entry.entry_name.d_name, info->name);
}
}
arg->_code = CELL_OK;
return CELL_OK;
}
case 0xe0000015: // Unknown
{
break;
}
case 0xe0000016: // cellFsAllocateFileAreaWithInitialData
{
break;
}
case 0xe0000017: // cellFsAllocateFileAreaWithoutZeroFill
{
const auto arg = vm::static_ptr_cast<lv2_file_e0000017>(_arg);
if (_size < arg->size || arg->_x4 != 0x10u || arg->_x8 != 0x20u)
{
return CELL_EINVAL;
}
arg->out_code = sys_fs_truncate(ppu, arg->file_path, arg->file_size);
return CELL_OK;
}
case 0xe0000018: // cellFsChangeFileSizeWithoutAllocation
{
break;
}
case 0xe0000019: // Unknown
{
break;
}
case 0xe000001b: // Unknown
{
break;
}
case 0xe000001d: // Unknown
{
break;
}
case 0xe000001e: // Unknown
{
break;
}
case 0xe000001f: // Unknown
{
break;
}
case 0xe0000020: // Unknown
{
break;
}
case 0x00000025: // cellFsSdataOpenWithVersion
{
break;
}
}
sys_fs.error("sys_fs_fcntl(): Unknown operation 0x%08x (fd=%d, arg=*0x%x, size=0x%x)", op, fd, _arg, _size);
return CELL_OK;
}
error_code sys_fs_lseek(ppu_thread& ppu, u32 fd, s64 offset, s32 whence, vm::ptr<u64> pos)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.trace("sys_fs_lseek(fd=%d, offset=0x%llx, whence=0x%x, pos=*0x%x)", fd, offset, whence, pos);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (whence + 0u >= 3)
{
return {CELL_EINVAL, whence};
}
const u64 result = file->file.seek(offset, static_cast<fs::seek_mode>(whence));
if (result == umax)
{
switch (auto error = fs::g_tls_error)
{
case fs::error::inval: return CELL_EINVAL;
default: sys_fs.error("sys_fs_lseek(): unknown error %s", error);
}
return CELL_EIO; // ???
}
*pos = result;
return CELL_OK;
}
error_code sys_fs_fdatasync(ppu_thread& ppu, u32 fd)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.trace("sys_fs_fdadasync(fd=%d)", fd);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file || !(file->flags & CELL_FS_O_ACCMODE))
{
return CELL_EBADF;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
file->file.sync();
return CELL_OK;
}
error_code sys_fs_fsync(ppu_thread& ppu, u32 fd)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.trace("sys_fs_fsync(fd=%d)", fd);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file || !(file->flags & CELL_FS_O_ACCMODE))
{
return CELL_EBADF;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
file->file.sync();
return CELL_OK;
}
error_code sys_fs_fget_block_size(ppu_thread& ppu, u32 fd, vm::ptr<u64> sector_size, vm::ptr<u64> block_size, vm::ptr<u64> arg4, vm::ptr<s32> out_flags)
{
ppu.state += cpu_flag::wait;
sys_fs.warning("sys_fs_fget_block_size(fd=%d, sector_size=*0x%x, block_size=*0x%x, arg4=*0x%x, out_flags=*0x%x)", fd, sector_size, block_size, arg4, out_flags);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
if (ppu.is_stopped())
{
return {};
}
// TODO
*sector_size = file->mp->sector_size;
*block_size = file->mp->block_size;
*arg4 = file->mp->sector_size;
*out_flags = file->flags;
return CELL_OK;
}
error_code sys_fs_get_block_size(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u64> sector_size, vm::ptr<u64> block_size, vm::ptr<u64> arg4)
{
ppu.state += cpu_flag::wait;
sys_fs.warning("sys_fs_get_block_size(path=%s, sector_size=*0x%x, block_size=*0x%x, arg4=*0x%x)", path, sector_size, block_size, arg4);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
if (vpath.find_first_not_of('/') == umax)
{
return {CELL_EISDIR, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
const auto mp = lv2_fs_object::get_mp(vpath);
// It appears that /dev_hdd0 mount point is special in this function
if (mp != &g_mp_sys_dev_hdd0 && (mp->flags & lv2_mp_flag::strict_get_block_size ? !fs::is_file(local_path) : !fs::exists(local_path)))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::exist: return {CELL_EISDIR, path};
case fs::error::noent: return {CELL_ENOENT, path};
default: sys_fs.error("sys_fs_get_block_size(): unknown error %s", error);
}
return {CELL_EIO, path}; // ???
}
if (ppu.is_stopped())
{
return {};
}
// TODO
*sector_size = mp->sector_size;
*block_size = mp->block_size;
*arg4 = mp->sector_size;
return CELL_OK;
}
error_code sys_fs_truncate(ppu_thread& ppu, vm::cptr<char> path, u64 size)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_truncate(path=%s, size=0x%llx)", path, size);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp == &g_mp_sys_dev_root)
{
return {CELL_EISDIR, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
return {CELL_EROFS, path};
}
std::lock_guard lock(mp->mutex);
if (!fs::truncate_file(local_path, size))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT, path};
default: sys_fs.error("sys_fs_truncate(): unknown error %s", error);
}
return {CELL_EIO, path}; // ???
}
return CELL_OK;
}
error_code sys_fs_ftruncate(ppu_thread& ppu, u32 fd, u64 size)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_ftruncate(fd=%d, size=0x%llx)", fd, size);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file || !(file->flags & CELL_FS_O_ACCMODE))
{
return CELL_EBADF;
}
if (file->mp->flags & lv2_mp_flag::read_only)
{
return CELL_EROFS;
}
std::lock_guard lock(file->mp->mutex);
if (!file->file)
{
return CELL_EBADF;
}
if (file->lock == 2)
{
return CELL_EIO;
}
if (file->lock)
{
return CELL_EBUSY;
}
if (!file->file.trunc(size))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::ok:
default: sys_fs.error("sys_fs_ftruncate(): unknown error %s", error);
}
return CELL_EIO; // ???
}
return CELL_OK;
}
error_code sys_fs_symbolic_link(ppu_thread&, vm::cptr<char> target, vm::cptr<char> linkpath)
{
sys_fs.todo("sys_fs_symbolic_link(target=%s, linkpath=%s)", target, linkpath);
return CELL_OK;
}
error_code sys_fs_chmod(ppu_thread&, vm::cptr<char> path, s32 mode)
{
sys_fs.todo("sys_fs_chmod(path=%s, mode=%#o)", path, mode);
return CELL_OK;
}
error_code sys_fs_chown(ppu_thread&, vm::cptr<char> path, s32 uid, s32 gid)
{
sys_fs.todo("sys_fs_chown(path=%s, uid=%d, gid=%d)", path, uid, gid);
return CELL_OK;
}
error_code sys_fs_disk_free(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u64> total_free, vm::ptr<u64> avail_free)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_disk_free(path=%s total_free=*0x%x avail_free=*0x%x)", path, total_free, avail_free);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_EINVAL;
const std::string_view vpath = path.get_ptr();
if (vpath == "/"sv)
{
return CELL_ENOTSUP;
}
// It seems max length is 31, and multiple / at the start aren't supported
if (vpath.size() > CELL_FS_MAX_MP_LENGTH)
{
return {CELL_ENAMETOOLONG, path};
}
if (vpath.find_first_not_of('/') != 1)
{
return {CELL_EINVAL, path};
}
// Get only device path
const std::string local_path = vfs::get(vpath.substr(0, vpath.find_first_of('/', 1)));
if (local_path.empty())
{
return {CELL_EINVAL, path};
}
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp->flags & lv2_mp_flag::strict_get_block_size)
{
// TODO:
return {CELL_ENOTSUP, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
// TODO: check /dev_bdvd
*total_free = 0;
*avail_free = 0;
return CELL_OK;
}
// avail_free is the only value used by cellFsGetFreeSize
if (mp == &g_mp_sys_dev_hdd1)
{
*avail_free = (1u << 31) - mp->sector_size; // 2GB (TODO: Should be the total size)
}
else //if (mp == &g_mp_sys_dev_hdd0)
{
*avail_free = (40ull * 1024 * 1024 * 1024 - mp->sector_size); // Read explanation in cellHddGameCheck
}
// HACK: Hopefully nothing uses this value or once at max because its hacked here:
// The total size can change based on the size of the directory
*total_free = *avail_free + fs::get_dir_size(local_path, mp->sector_size);
return CELL_OK;
}
error_code sys_fs_utime(ppu_thread& ppu, vm::cptr<char> path, vm::cptr<CellFsUtimbuf> timep)
{
ppu.state += cpu_flag::wait;
lv2_obj::sleep(ppu);
sys_fs.warning("sys_fs_utime(path=%s, timep=*0x%x)", path, timep);
sys_fs.warning("** actime=%u, modtime=%u", timep->actime, timep->modtime);
if (!path)
return CELL_EFAULT;
if (!path[0])
return CELL_ENOENT;
const std::string_view vpath = path.get_ptr();
const std::string local_path = vfs::get(vpath);
const auto mp = lv2_fs_object::get_mp(vpath);
if (mp == &g_mp_sys_dev_root)
{
return {CELL_EISDIR, path};
}
if (local_path.empty())
{
return {CELL_ENOTMOUNTED, path};
}
if (mp->flags & lv2_mp_flag::read_only)
{
return {CELL_EROFS, path};
}
std::lock_guard lock(mp->mutex);
if (!fs::utime(local_path, timep->actime, timep->modtime))
{
switch (auto error = fs::g_tls_error)
{
case fs::error::noent: return {CELL_ENOENT, path};
default: sys_fs.error("sys_fs_utime(): unknown error %s", error);
}
return {CELL_EIO, path}; // ???
}
return CELL_OK;
}
error_code sys_fs_acl_read(ppu_thread&, vm::cptr<char> path, vm::ptr<void> ptr)
{
sys_fs.todo("sys_fs_acl_read(path=%s, ptr=*0x%x)", path, ptr);
return CELL_OK;
}
error_code sys_fs_acl_write(ppu_thread&, vm::cptr<char> path, vm::ptr<void> ptr)
{
sys_fs.todo("sys_fs_acl_write(path=%s, ptr=*0x%x)", path, ptr);
return CELL_OK;
}
error_code sys_fs_lsn_get_cda_size(ppu_thread&, u32 fd, vm::ptr<u64> ptr)
{
sys_fs.warning("sys_fs_lsn_get_cda_size(fd=%d, ptr=*0x%x)", fd, ptr);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
// TODO
*ptr = 0;
return CELL_OK;
}
error_code sys_fs_lsn_get_cda(ppu_thread&, u32 fd, vm::ptr<void> arg2, u64 arg3, vm::ptr<u64> arg4)
{
sys_fs.todo("sys_fs_lsn_get_cda(fd=%d, arg2=*0x%x, arg3=0x%x, arg4=*0x%x)", fd, arg2, arg3, arg4);
return CELL_OK;
}
error_code sys_fs_lsn_lock(ppu_thread&, u32 fd)
{
sys_fs.trace("sys_fs_lsn_lock(fd=%d)", fd);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
// TODO: seems to do nothing on /dev_hdd0 or /host_root
if (file->mp == &g_mp_sys_dev_hdd0 || file->mp->flags & lv2_mp_flag::strict_get_block_size)
{
return CELL_OK;
}
file->lock.compare_and_swap(0, 1);
return CELL_OK;
}
error_code sys_fs_lsn_unlock(ppu_thread&, u32 fd)
{
sys_fs.trace("sys_fs_lsn_unlock(fd=%d)", fd);
const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
if (!file)
{
return CELL_EBADF;
}
// Unlock unconditionally
file->lock.compare_and_swap(1, 0);
return CELL_OK;
}
error_code sys_fs_lsn_read(ppu_thread&, u32 fd, vm::cptr<void> ptr, u64 size)
{
sys_fs.todo("sys_fs_lsn_read(fd=%d, ptr=*0x%x, size=0x%x)", fd, ptr, size);
return CELL_OK;
}
error_code sys_fs_lsn_write(ppu_thread&, u32 fd, vm::cptr<void> ptr, u64 size)
{
sys_fs.todo("sys_fs_lsn_write(fd=%d, ptr=*0x%x, size=0x%x)", fd, ptr, size);
return CELL_OK;
}
error_code sys_fs_mapped_allocate(ppu_thread&, u32 fd, u64 size, vm::pptr<void> out_ptr)
{
sys_fs.todo("sys_fs_mapped_allocate(fd=%d, arg2=0x%x, out_ptr=**0x%x)", fd, size, out_ptr);
return CELL_OK;
}
error_code sys_fs_mapped_free(ppu_thread&, u32 fd, vm::ptr<void> ptr)
{
sys_fs.todo("sys_fs_mapped_free(fd=%d, ptr=0x%#x)", fd, ptr);
return CELL_OK;
}
error_code sys_fs_truncate2(ppu_thread&, u32 fd, u64 size)
{
sys_fs.todo("sys_fs_truncate2(fd=%d, size=0x%x)", fd, size);
return CELL_OK;
}
error_code sys_fs_get_mount_info_size(ppu_thread&, vm::ptr<u64> len)
{
sys_fs.todo("sys_fs_get_mount_info_size(len=*0x%x)", len);
return CELL_OK;
}
error_code sys_fs_get_mount_info(ppu_thread&, vm::ptr<CellFsMountInfo> info, u32 len, vm::ptr<u64> out_len)
{
sys_fs.todo("sys_fs_get_mount_info(info=*0x%x, len=0x%x, out_len=*0x%x)", info, len, out_len);
return CELL_OK;
}
error_code sys_fs_mount(ppu_thread&, vm::cptr<char> dev_name, vm::cptr<char> file_system, vm::cptr<char> path, s32 unk1, s32 prot, s32 unk3, vm::cptr<char> str1, u32 str_len)
{
sys_fs.todo("sys_fs_mount(dev_name=%s, file_system=%s, path=%s, unk1=0x%x, prot=0x%x, unk3=0x%x, str1=%s, str_len=%d)", dev_name, file_system, path, unk1, prot, unk3, str1, str_len);
return CELL_OK;
}