mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-07-08 16:01:42 +12:00
496 lines
11 KiB
C++
496 lines
11 KiB
C++
#include "stdafx.h"
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#include "Utilities/Config.h"
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#include "Emu/Memory/Memory.h"
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#include "Emu/System.h"
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#include "Emu/IdManager.h"
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#include "Emu/Cell/ErrorCodes.h"
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#include "sys_fs.h"
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LOG_CHANNEL(sys_fs);
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s32 sys_fs_test(u32 arg1, u32 arg2, vm::ptr<u32> arg3, u32 arg4, vm::ptr<char> arg5, u32 arg6)
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{
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sys_fs.todo("sys_fs_test(arg1=0x%x, arg2=0x%x, arg3=*0x%x, arg4=0x%x, arg5=*0x%x, arg6=0x%x) -> CELL_OK", arg1, arg2, arg3, arg4, arg5, arg6);
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return CELL_OK;
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}
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s32 sys_fs_open(vm::cptr<char> path, s32 flags, vm::ptr<u32> fd, s32 mode, vm::cptr<void> arg, u64 size)
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{
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sys_fs.warning("sys_fs_open(path=*0x%x, flags=%#o, fd=*0x%x, mode=%#o, arg=*0x%x, size=0x%llx)", path, flags, fd, mode, arg, size);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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if (!path[0])
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{
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sys_fs.error("sys_fs_open('%s') failed: path is invalid", path.get_ptr());
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return CELL_FS_EINVAL;
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}
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const std::string& local_path = vfs::get(path.get_ptr());
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if (local_path.empty())
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{
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sys_fs.error("sys_fs_open('%s') failed: device not mounted", path.get_ptr());
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return CELL_FS_ENOTMOUNTED;
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}
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// TODO: other checks for path
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if (fs::is_dir(local_path))
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{
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sys_fs.error("sys_fs_open('%s') failed: path is a directory", path.get_ptr());
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return CELL_FS_EISDIR;
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}
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mset<fs::open_mode> open_mode{};
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switch (flags & CELL_FS_O_ACCMODE)
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{
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case CELL_FS_O_RDONLY: open_mode += fs::read; break;
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case CELL_FS_O_WRONLY: open_mode += fs::write; break;
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case CELL_FS_O_RDWR: open_mode += fs::read + fs::write; break;
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}
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if (flags & CELL_FS_O_CREAT)
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{
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open_mode += fs::create;
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}
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if (flags & CELL_FS_O_TRUNC)
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{
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open_mode += fs::trunc;
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}
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if (flags & CELL_FS_O_APPEND)
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{
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open_mode += fs::append;
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}
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if (flags & CELL_FS_O_EXCL)
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{
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if (flags & CELL_FS_O_CREAT)
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{
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open_mode += fs::excl;
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}
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else
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{
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open_mode = {}; // error
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}
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}
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if (flags & ~(CELL_FS_O_ACCMODE | CELL_FS_O_CREAT | CELL_FS_O_TRUNC | CELL_FS_O_APPEND | CELL_FS_O_EXCL))
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{
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open_mode = {}; // error
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}
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if ((flags & CELL_FS_O_ACCMODE) == CELL_FS_O_ACCMODE)
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{
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open_mode = {}; // error
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}
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if (!open_mode)
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{
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throw EXCEPTION("Invalid or unimplemented flags (%#o): '%s'", flags, path.get_ptr());
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}
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fs::file file(local_path, open_mode);
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if (!file)
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{
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sys_fs.error("sys_fs_open('%s'): failed to open file (flags=%#o, mode=%#o)", path.get_ptr(), flags, mode);
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if (open_mode & fs::excl)
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{
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return CELL_FS_EEXIST; // approximation
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}
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return CELL_FS_ENOENT;
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}
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const auto _file = idm::make_ptr<lv2_file_t>(std::move(file), mode, flags);
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if (!_file)
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{
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// out of file descriptors
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return CELL_FS_EMFILE;
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}
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*fd = _file->id;
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return CELL_OK;
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}
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s32 sys_fs_read(u32 fd, vm::ptr<void> buf, u64 nbytes, vm::ptr<u64> nread)
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{
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sys_fs.trace("sys_fs_read(fd=%d, buf=0x%x, nbytes=0x%llx, nread=0x%x)", fd, buf, nbytes, nread);
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file || file->flags & CELL_FS_O_WRONLY)
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{
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return CELL_FS_EBADF;
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}
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std::lock_guard<std::mutex> lock(file->mutex);
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*nread = file->file.read(buf.get_ptr(), nbytes);
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return CELL_OK;
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}
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s32 sys_fs_write(u32 fd, vm::cptr<void> buf, u64 nbytes, vm::ptr<u64> nwrite)
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{
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sys_fs.trace("sys_fs_write(fd=%d, buf=*0x%x, nbytes=0x%llx, nwrite=*0x%x)", fd, buf, nbytes, nwrite);
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file || !(file->flags & CELL_FS_O_ACCMODE))
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{
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return CELL_FS_EBADF;
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}
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// TODO: return CELL_FS_EBUSY if locked by stream
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std::lock_guard<std::mutex> lock(file->mutex);
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*nwrite = file->file.write(buf.get_ptr(), nbytes);
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return CELL_OK;
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}
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s32 sys_fs_close(u32 fd)
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{
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sys_fs.trace("sys_fs_close(fd=%d)", fd);
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file)
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{
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return CELL_FS_EBADF;
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}
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// TODO: return CELL_FS_EBUSY if locked
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idm::remove<lv2_file_t>(fd);
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return CELL_OK;
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}
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s32 sys_fs_opendir(vm::cptr<char> path, vm::ptr<u32> fd)
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{
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sys_fs.warning("sys_fs_opendir(path=*0x%x, fd=*0x%x)", path, fd);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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fs::dir dir(vfs::get(path.get_ptr()));
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if (!dir)
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{
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sys_fs.error("sys_fs_opendir('%s'): failed to open directory", path.get_ptr());
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return CELL_FS_ENOENT;
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}
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const auto _dir = idm::make_ptr<lv2_dir_t>(std::move(dir));
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if (!_dir)
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{
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// out of file descriptors
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return CELL_FS_EMFILE;
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}
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*fd = _dir->id;
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return CELL_OK;
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}
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s32 sys_fs_readdir(u32 fd, vm::ptr<CellFsDirent> dir, vm::ptr<u64> nread)
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{
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sys_fs.warning("sys_fs_readdir(fd=%d, dir=*0x%x, nread=*0x%x)", fd, dir, nread);
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const auto directory = idm::get<lv2_dir_t>(fd);
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if (!directory)
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{
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return CELL_FS_EBADF;
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}
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fs::dir_entry info;
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if (directory->dir.read(info))
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{
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dir->d_type = info.is_directory ? CELL_FS_TYPE_DIRECTORY : CELL_FS_TYPE_REGULAR;
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dir->d_namlen = u8(std::min<size_t>(info.name.size(), CELL_FS_MAX_FS_FILE_NAME_LENGTH));
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strcpy_trunc(dir->d_name, info.name);
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*nread = sizeof(CellFsDirent);
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}
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else
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{
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*nread = 0;
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}
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return CELL_OK;
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}
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s32 sys_fs_closedir(u32 fd)
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{
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sys_fs.trace("sys_fs_closedir(fd=%d)", fd);
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const auto directory = idm::get<lv2_dir_t>(fd);
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if (!directory)
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{
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return CELL_FS_EBADF;
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}
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idm::remove<lv2_dir_t>(fd);
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return CELL_OK;
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}
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s32 sys_fs_stat(vm::cptr<char> path, vm::ptr<CellFsStat> sb)
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{
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sys_fs.warning("sys_fs_stat(path=*0x%x, sb=*0x%x)", path, sb);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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const std::string& local_path = vfs::get(path.get_ptr());
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if (local_path.empty())
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{
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sys_fs.warning("sys_fs_stat('%s') failed: not mounted", path.get_ptr());
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return CELL_FS_ENOTMOUNTED;
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}
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fs::stat_t info;
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if (!fs::stat(local_path, info))
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{
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sys_fs.error("sys_fs_stat('%s') failed: not found", path.get_ptr());
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return CELL_FS_ENOENT;
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}
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sb->mode = info.is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
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sb->uid = 1; // ???
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sb->gid = 1; // ???
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sb->atime = info.atime;
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sb->mtime = info.mtime;
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sb->ctime = info.ctime;
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sb->size = info.size;
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sb->blksize = 4096; // ???
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return CELL_OK;
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}
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s32 sys_fs_fstat(u32 fd, vm::ptr<CellFsStat> sb)
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{
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sys_fs.warning("sys_fs_fstat(fd=%d, sb=*0x%x)", fd, sb);
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file)
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{
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return CELL_FS_EBADF;
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}
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std::lock_guard<std::mutex> lock(file->mutex);
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const fs::stat_t& info = file->file.stat();
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sb->mode = info.is_directory ? CELL_FS_S_IFDIR | 0777 : CELL_FS_S_IFREG | 0666;
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sb->uid = 1; // ???
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sb->gid = 1; // ???
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sb->atime = info.atime;
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sb->mtime = info.mtime;
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sb->ctime = info.ctime; // ctime may be incorrect
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sb->size = info.size;
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sb->blksize = 4096; // ???
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return CELL_OK;
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}
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s32 sys_fs_mkdir(vm::cptr<char> path, s32 mode)
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{
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sys_fs.warning("sys_fs_mkdir(path=*0x%x, mode=%#o)", path, mode);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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const std::string& local_path = vfs::get(path.get_ptr());
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if (fs::is_dir(local_path))
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{
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return CELL_FS_EEXIST;
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}
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if (!fs::create_path(local_path))
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{
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return CELL_FS_EIO; // ???
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}
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sys_fs.notice("sys_fs_mkdir(): directory '%s' created", path.get_ptr());
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return CELL_OK;
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}
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s32 sys_fs_rename(vm::cptr<char> from, vm::cptr<char> to)
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{
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sys_fs.warning("sys_fs_rename(from=*0x%x, to=*0x%x)", from, to);
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sys_fs.warning("*** from = '%s'", from.get_ptr());
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sys_fs.warning("*** to = '%s'", to.get_ptr());
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if (!fs::rename(vfs::get(from.get_ptr()), vfs::get(to.get_ptr())))
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{
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return CELL_FS_ENOENT; // ???
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}
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sys_fs.notice("sys_fs_rename(): '%s' renamed to '%s'", from.get_ptr(), to.get_ptr());
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return CELL_OK;
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}
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s32 sys_fs_rmdir(vm::cptr<char> path)
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{
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sys_fs.warning("sys_fs_rmdir(path=*0x%x)", path);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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if (!fs::remove_dir(vfs::get(path.get_ptr())))
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{
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switch (auto error = errno)
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{
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case ENOENT: return CELL_FS_ENOENT;
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default: sys_fs.error("sys_fs_rmdir(): unknown error %d", error);
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}
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return CELL_FS_EIO; // ???
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}
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sys_fs.notice("sys_fs_rmdir(): directory '%s' removed", path.get_ptr());
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return CELL_OK;
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}
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s32 sys_fs_unlink(vm::cptr<char> path)
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{
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sys_fs.warning("sys_fs_unlink(path=*0x%x)", path);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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if (!fs::remove_file(vfs::get(path.get_ptr())))
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{
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switch (auto error = errno)
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{
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case ENOENT: return CELL_FS_ENOENT;
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default: sys_fs.error("sys_fs_unlink(): unknown error %d", error);
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}
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return CELL_FS_EIO; // ???
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}
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sys_fs.notice("sys_fs_unlink(): file '%s' deleted", path.get_ptr());
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return CELL_OK;
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}
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s32 sys_fs_fcntl(u32 fd, s32 flags, u32 addr, u32 arg4, u32 arg5, u32 arg6)
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{
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sys_fs.todo("sys_fs_fcntl(fd=0x%x, flags=0x%x, addr=*0x%x, arg4=0x%x, arg5=0x%x, arg6=0x%x) -> CELL_OK", fd, flags, addr, arg4, arg5, arg6);
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return CELL_OK;
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}
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s32 sys_fs_lseek(u32 fd, s64 offset, s32 whence, vm::ptr<u64> pos)
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{
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sys_fs.trace("sys_fs_lseek(fd=%d, offset=0x%llx, whence=0x%x, pos=*0x%x)", fd, offset, whence, pos);
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if (whence >= 3)
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{
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sys_fs.error("sys_fs_lseek(): invalid seek whence (%d)", whence);
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return CELL_FS_EINVAL;
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}
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file)
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{
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return CELL_FS_EBADF;
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}
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std::lock_guard<std::mutex> lock(file->mutex);
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*pos = file->file.seek(offset, static_cast<fs::seek_mode>(whence));
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return CELL_OK;
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}
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s32 sys_fs_fget_block_size(u32 fd, vm::ptr<u64> sector_size, vm::ptr<u64> block_size, vm::ptr<u64> arg4, vm::ptr<u64> arg5)
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{
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sys_fs.todo("sys_fs_fget_block_size(fd=%d, sector_size=*0x%x, block_size=*0x%x, arg4=*0x%x, arg5=*0x%x)", fd, sector_size, block_size, arg4, arg5);
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file)
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{
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return CELL_FS_EBADF;
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}
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*sector_size = 4096; // ?
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*block_size = 4096; // ?
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return CELL_OK;
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}
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s32 sys_fs_get_block_size(vm::cptr<char> path, vm::ptr<u64> sector_size, vm::ptr<u64> block_size, vm::ptr<u64> arg4)
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{
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sys_fs.todo("sys_fs_get_block_size(path=*0x%x, sector_size=*0x%x, block_size=*0x%x, arg4=*0x%x, arg5=*0x%x)", path, sector_size, block_size, arg4);
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sys_fs.todo("*** path = '%s'", path.get_ptr());
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*sector_size = 4096; // ?
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*block_size = 4096; // ?
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return CELL_OK;
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}
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s32 sys_fs_truncate(vm::cptr<char> path, u64 size)
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{
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sys_fs.warning("sys_fs_truncate(path=*0x%x, size=0x%llx)", path, size);
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sys_fs.warning("*** path = '%s'", path.get_ptr());
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if (!fs::truncate_file(vfs::get(path.get_ptr()), size))
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{
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switch (auto error = errno)
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{
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case ENOENT: return CELL_FS_ENOENT;
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default: sys_fs.error("sys_fs_truncate(): unknown error %d", error);
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}
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return CELL_FS_EIO; // ???
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}
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return CELL_OK;
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}
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s32 sys_fs_ftruncate(u32 fd, u64 size)
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{
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sys_fs.warning("sys_fs_ftruncate(fd=%d, size=0x%llx)", fd, size);
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const auto file = idm::get<lv2_file_t>(fd);
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if (!file || !(file->flags & CELL_FS_O_ACCMODE))
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{
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return CELL_FS_EBADF;
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}
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std::lock_guard<std::mutex> lock(file->mutex);
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if (!file->file.trunc(size))
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{
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switch (auto error = errno)
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{
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case 0:
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default: sys_fs.error("sys_fs_ftruncate(): unknown error %d", error);
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}
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return CELL_FS_EIO; // ???
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}
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return CELL_OK;
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}
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s32 sys_fs_chmod(vm::cptr<char> path, s32 mode)
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{
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sys_fs.todo("sys_fs_chmod(path=*0x%x, mode=%#o) -> CELL_OK", path, mode);
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sys_fs.todo("*** path = '%s'", path.get_ptr());
|
|
|
|
return CELL_OK;
|
|
}
|