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sys_fs: Optimize split files handling

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This commit is contained in:
Elad 2025-12-16 21:19:01 +02:00
parent 36af9f54d3
commit ddfa773675
1 changed files with 18 additions and 7 deletions
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25
rpcs3/Emu/Cell/lv2/sys_fs.cpp
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@ -848,7 +848,7 @@ lv2_file::open_raw_result_t lv2_file::open_raw(const std::string& local_path, s3
fs::file file(local_path, open_mode);
if (!file && open_mode == fs::read && fs::g_tls_error == fs::error::noent)
if (!file && open_mode == fs::read && fs::g_tls_error == fs::error::noent && mp.mp != &g_mp_sys_dev_hdd1)
{
// Try to gather split file (TODO)
std::vector<fs::file> fragments;
@ -1389,7 +1389,7 @@ error_code sys_fs_opendir(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<u32> fd)
}
// Add additional entries for split file candidates (while ends with .66600)
while (data.back().name.ends_with(".66600"))
while (mp.mp != &g_mp_sys_dev_hdd1 && data.back().name.ends_with(".66600"))
{
data.emplace_back(data.back()).name.resize(data.back().name.size() - 6);
}
@ -1505,6 +1505,7 @@ error_code sys_fs_closedir(ppu_thread& ppu, u32 fd)
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);
@ -1552,8 +1553,18 @@ error_code sys_fs_stat(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<CellFsStat>
// Try to analyse split file (TODO)
u64 total_size = 0;
for (u32 i = 66601; i <= 66699; i++)
// Use attributes from the first fragment (consistently with sys_fs_open+fstat
fs::stat_t info_split{};
if (mp.mp != &g_mp_sys_dev_hdd1 && fs::get_stat(local_path + ".66600", info_split) && !info_split.is_directory)
{
// Success
total_size += info_split.size;
}
for (u32 i = 66601; total_size && i <= 66699; i++)
{
info = {};
if (fs::get_stat(fmt::format("%s.%u", local_path, i), info) && !info.is_directory)
{
total_size += info.size;
@ -1564,11 +1575,11 @@ error_code sys_fs_stat(ppu_thread& ppu, vm::cptr<char> path, vm::ptr<CellFsStat>
}
}
// Use attributes from the first fragment (consistently with sys_fs_open+fstat)
if (fs::get_stat(local_path + ".66600", info) && !info.is_directory)
if (total_size)
{
// Success
info.size += total_size;
info_split.size = total_size;
info = info_split;
break;
}
@ -2895,7 +2906,7 @@ error_code sys_fs_chmod(ppu_thread&, vm::cptr<char> path, s32 mode)
for (u32 i = 66601; i <= 66699; i++)
{
if (!fs::get_stat(fmt::format("%s.%u", local_path, i), info) && !info.is_directory)
if (mp != &g_mp_sys_dev_hdd1 && !fs::get_stat(fmt::format("%s.%u", local_path, i), info) && !info.is_directory)
{
break;
}