we can create directories now

This commit is contained in:
georgemoralis 2023-10-20 15:39:23 +03:00
parent 51260ca6ce
commit 40a3868cbc
5 changed files with 63 additions and 7 deletions

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@ -4,6 +4,7 @@ constexpr int SCE_OK = 0;
constexpr int SCE_KERNEL_ERROR_EBADF = 0x80020009;
constexpr int SCE_KERNEL_ERROR_ENOMEM = 0x8002000c; // Insufficient memory
constexpr int SCE_KERNEL_ERROR_EFAULT = 0x8002000e; // Invalid address pointer
constexpr int SCE_KERNEL_ERROR_ENOTDIR = 0x80020014;
constexpr int SCE_KERNEL_ERROR_EINVAL = 0x80020016; // null or invalid states
constexpr int SCE_KERNEL_ERROR_EAGAIN = 0x80020023; // Memory cannot be allocated
constexpr int SCE_KERNEL_ERROR_ENAMETOOLONG = 0x8002003f; // character strings exceeds valid size

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@ -1,13 +1,43 @@
#include "file_system.h"
#include <debug.h>
#include <Util/log.h>
#include <Emulator/Util/singleton.h>
#include "Emulator/Host/fs.h"
#include <Core/PS4/HLE/ErrorCodes.h>
namespace Emulator::HLE::Libraries::LibKernel::FileSystem {
constexpr bool log_file_fs = true; // disable it to disable logging
int PS4_SYSV_ABI sceKernelOpen(const char* path, int flags, u16 mode) {
LOG_INFO_IF(log_file_fs, "sceKernelOpen path = {} flags = {} mode = {}\n", path, log_hex_full(flags), log_hex_full(mode));
return 0;
bool isDirectory = (flags & SCE_KERNEL_O_DIRECTORY) != 0;
bool createFileOrDir = (flags & SCE_KERNEL_O_CREAT) != 0;
auto* h = singleton<Emulator::Host::Fs::HandleTable>::instance();
auto* mnt = singleton<Emulator::Host::Fs::MntPoints>::instance();
u32 handle = h->createHandle().value();//TODO check if overflows
Emulator::Host::Fs::File file = h->getFile(handle);
file.guest_path = path;
if (isDirectory) {
file.host_path = mnt->getHostDirectory(path);
if (!std::filesystem::exists(file.host_path)) { //directory doesn't exist
if (createFileOrDir) { //if we have a create flag create it
if (std::filesystem::create_directories(file.host_path)) {
return handle;
} else {
return SCE_KERNEL_ERROR_ENOTDIR;
}
} else {
return SCE_KERNEL_ERROR_ENOTDIR;
}
}
}
return handle;
}
} // namespace Emulator::HLE::Libraries::LibKernel::FileSystem

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@ -2,6 +2,10 @@
#include <types.h>
namespace Emulator::HLE::Libraries::LibKernel::FileSystem {
constexpr u32 SCE_KERNEL_O_CREAT = 0x0200;
constexpr u32 SCE_KERNEL_O_DIRECTORY = 0x00020000;
int PS4_SYSV_ABI sceKernelOpen(const char *path, int flags, /* SceKernelMode*/ u16 mode);
}
} // namespace Emulator::HLE::Libraries::LibKernel::FileSystem

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@ -1,4 +1,5 @@
#include "fs.h"
#include <algorithm>
namespace Emulator::Host::Fs {
void MntPoints::mount(const std::string& host_folder, const std::string& guest_folder) {
@ -12,4 +13,21 @@ void MntPoints::mount(const std::string& host_folder, const std::string& guest_f
}
void MntPoints::unMount(const std::string& path) {}
void MntPoints::unMountAll() {}
std::string MntPoints::getHostDirectory(const std::string& guest_directory) {
Lib::LockMutexGuard lock(m_mutex);
for (auto& pair : m_mnt_pairs)
{
if (pair.guest_path.starts_with(guest_directory)) {
return pair.host_path + guest_directory;
}
}
//hack for relative path , get app0 and assuming it goes from there
for (auto& pair : m_mnt_pairs) {
if (pair.guest_path.starts_with("/app0")) {
std::replace(pair.host_path.begin(), pair.host_path.end(), '\\', '/');
return pair.host_path + guest_directory;
}
}
return std::string();
}
} // namespace Emulator::Host::Fs

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@ -24,16 +24,17 @@ class MntPoints {
void mount(const std::string& host_folder, const std::string& guest_folder);
void unMount(const std::string& path);
void unMountAll();
std::string getHostDirectory(const std::string& guest_directory);
private:
std::vector<MntPair> m_mnt_pairs;
Lib::Mutex m_mutex;
};
struct File {
bool valid = false; // Το descriptor ειναι οντως ανοιχτο;
FILE* file; // File handle του αρχειο
std::filesystem::path path; // Path του στο host FS
bool valid = false; // Ôï descriptor åéíáé ïíôùò áíïé÷ôï;
FILE* file; // File handle ôïõ áñ÷åéï
std::filesystem::path host_path; // Path in host FS
std::string guest_path; // Path in PS4 FS
File() : valid(true) {}
};
@ -87,6 +88,8 @@ class HandleTable {
return handle;
}
File getFile(u32 handle) { return files[handle]; }
void freeHandle(u32 handle) {
if (handle >= files.size()) {
// Óôáíôáñ invalid