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CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8)
+
+if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
+  if(DEFINED ENV{VITASDK})
+    set(CMAKE_TOOLCHAIN_FILE "$ENV{VITASDK}/share/vita.toolchain.cmake" CACHE PATH "toolchain file")
+  else()
+    message(FATAL_ERROR "Please define VITASDK to point to your SDK path!")
+  endif()
+endif()
+
+project(FreePSM)
+include("${VITASDK}/share/vita.cmake" REQUIRED)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-q -Wall -O3 -std=gnu99")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fno-rtti -fno-exceptions")
+
+include_directories(
+)
+
+link_directories(
+  ${CMAKE_CURRENT_BINARY_DIR}
+)
+
+if (NOT ${RELEASE})
+  add_definitions(-DENABLE_LOGGING)
+endif()
+
+add_executable(FreePSM
+  FreePSM.c
+)
+
+target_link_libraries(FreePSM
+  taihen_stub
+  SceLibKernel_stub
+  SceIofilemgr_stub
+  SceAppMgr_stub
+  SceLibc_stub
+  SceKernelModulemgr_stub
+  SceProcessmgr_stub
+)
+
+set_target_properties(FreePSM
+  PROPERTIES LINK_FLAGS "-nostdlib"
+)
+
+vita_create_self(FreePSM.suprx FreePSM
+  CONFIG ${CMAKE_SOURCE_DIR}/FreePSM.yml
+)

FreePSM.c

@@ -0,0 +1,73 @@
+#include <taihen.h>
+#include <vitasdk.h>
+#include <string.h>
+
+static SceUID LoadModuleHook = -1;
+static tai_hook_ref_t LoadModuleHook_ref;
+
+static SceUID SceLibPsmAimMgrIsDexHook = -1;
+static tai_hook_ref_t SceLibPsmAimMgrIsDexHook_ref;
+
+char titleid[12];
+
+
+
+int SceLibPsmAimMgrIsDex_p()
+{
+	int ret = TAI_CONTINUE(int, SceLibPsmAimMgrIsDexHook_ref,);
+	
+	if(ret > -1)
+	{
+			return 1;
+	}
+	sceClibPrintf("[FreePSM] ERROR: SceLibPsmAimMgrIsDex returned %x",ret);
+	return ret;
+}
+
+SceUID sceKernelLoadStartModule_p(char *path, SceSize args, void *argp, int flags, SceKernelLMOption *option, int *status)
+{
+	sceClibPrintf("[FreePSM] Starting Module: %s\n",path);
+	
+	SceUID ret;
+	ret = TAI_CONTINUE(SceUID, LoadModuleHook_ref, path, args, argp, flags, option, status);
+	
+	if(strstr(path,"libpsm.suprx"))
+	{
+		SceLibPsmAimMgrIsDexHook = taiHookFunctionOffset(&SceLibPsmAimMgrIsDexHook_ref, 
+									ret,
+									0,
+									0x450da, //2.01 Retail Runtime
+									1, 
+									SceLibPsmAimMgrIsDex_p);
+		sceClibPrintf("[FreePSM] SceLibPsmAimMgrIsDexHook %x %x\n",SceLibPsmAimMgrIsDexHook,SceLibPsmAimMgrIsDexHook_ref);
+	}
+	return ret;
+}
+
+
+void _start() __attribute__ ((weak, alias ("module_start"))); 
+
+void module_start(SceSize argc, const void *args) {
+	sceAppMgrAppParamGetString(0, 12, titleid, 256);
+
+	if(!strcmp(titleid,"PCSI00011")) // PSM Runtime
+	{
+		sceClibPrintf("[FreePSM] Silca: I like to see girls die :3\n");
+		sceClibPrintf("[FreePSM] Loaded!\n");
+		sceClibPrintf("[FreePSM] Running on %s\n",titleid);
+
+		LoadModuleHook = taiHookFunctionImport(&LoadModuleHook_ref, 
+										  TAI_MAIN_MODULE,
+										  TAI_ANY_LIBRARY,
+										  0x2DCC4AFA, //sceKernelLoadStartModule
+										  sceKernelLoadStartModule_p);
+
+		sceClibPrintf("[FreePSM] LoadModuleHook %x, %x\n",LoadModuleHook,LoadModuleHook_ref);
+	}
+}
+
+int module_stop(SceSize argc, const void *args) {
+
+	// release hooks
+	return SCE_KERNEL_STOP_SUCCESS;
+}

FreePSM.yml

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+FreePSM:
+  attributes: 0
+  version:
+    major: 1
+    minor: 1
+  main:
+    start: module_start
+    stop: module_stop