├── CMakeLists.txt
├── README.md
├── exports.yml
└── main.c


/CMakeLists.txt:
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 1 | cmake_minimum_required(VERSION 2.8)
 2 | 
 3 | if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
 4 |   if(DEFINED ENV{VITASDK})
 5 |     set(CMAKE_TOOLCHAIN_FILE "$ENV{VITASDK}/share/vita.toolchain.cmake" CACHE PATH "toolchain file")
 6 |   else()
 7 |     message(FATAL_ERROR "Please define VITASDK to point to your SDK path!")
 8 |   endif()
 9 | endif()
10 | 
11 | project(fd_fix)
12 | include("${VITASDK}/share/vita.cmake" REQUIRED)
13 | 
14 | set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-q -Wall -O3 -nostdlib")
15 | set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
16 | 
17 | add_executable(fd_fix
18 |   main.c
19 | )
20 | 
21 | target_link_libraries(fd_fix
22 |   SceSysclibForDriver_stub
23 |   taihenForKernel_stub
24 | )
25 | 
26 | vita_create_self(fd_fix.skprx fd_fix CONFIG exports.yml UNSAFE)
27 | 
28 | add_custom_target(copy
29 |   COMMAND cp fd_fix.skprx F:/tai/fd_fix.skprx
30 |   DEPENDS fd_fix.skprx
31 | )
32 | 


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/README.md:
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 1 | # FdFix
 2 | 
 3 | This plugin fixes an issue in PS Vita homebrews where file descriptors are invalidated after suspend and resume.
 4 | 
 5 | ## Installation
 6 | 
 7 | 1. Download [fd_fix.skprx](https://github.com/TheOfficialFloW/FdFix/releases/download/v1.0/fd_fix.skprx)
 8 | 
 9 | 2. Add these lines to taiHEN config.txt at `ux0:tai/config.txt`:
10 | 
11 |    ```
12 |    *KERNEL
13 |    ux0:tai/fd_fix.skprx
14 |    ```
15 | 
16 | 3. Reboot your device and relaunch HENkaku.


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/exports.yml:
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1 | FdFix:
2 |   attributes: 0
3 |   version:
4 |     major: 1
5 |     minor: 0
6 |   main:
7 |     start: module_start
8 |     stop: module_stop
9 | 


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/main.c:
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 1 | #include <psp2kern/kernel/modulemgr.h>
 2 | #include <taihen.h>
 3 | #include <stdio.h>
 4 | #include <string.h>
 5 | 
 6 | static tai_hook_ref_t ksceVfsNodeInitializePartitionRef;
 7 | static SceUID uid = -1;
 8 | 
 9 | static int ksceVfsNodeInitializePartitionPatched(int *node, int *new_node_p,
10 |                                                  void *opt, int flags) {
11 |   int res = TAI_CONTINUE(int, ksceVfsNodeInitializePartitionRef, node,
12 |                          new_node_p, opt, flags);
13 | 
14 |   if (res == 0 && new_node_p) {
15 |     int *new_node = (int *)*new_node_p;
16 |     int *mount = (int *)new_node[19];
17 |     mount[20] &= ~0x10000;
18 |   }
19 | 
20 |   return res;
21 | }
22 | 
23 | void _start() __attribute__ ((weak, alias("module_start")));
24 | int module_start(SceSize args, void *argp) {
25 |   uid = taiHookFunctionExportForKernel(KERNEL_PID,
26 |                                        &ksceVfsNodeInitializePartitionRef,
27 |                                        "SceIofilemgr",
28 |                                        TAI_ANY_LIBRARY,
29 |                                        0xA5A6A55C,
30 |                                        ksceVfsNodeInitializePartitionPatched);
31 |   return SCE_KERNEL_START_SUCCESS;
32 | }
33 | 
34 | int module_stop(SceSize args, void *argp) {
35 |   if (uid >= 0)
36 |     taiHookReleaseForKernel(uid, ksceVfsNodeInitializePartitionRef);
37 |   return SCE_KERNEL_STOP_SUCCESS;
38 | }
39 | 


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