Detect the main VSH module and log

Core/HLE/sceKernelModule.cpp

@@ -1304,6 +1304,11 @@ static PSPModule *__KernelLoadELFFromPtr(const u8 *ptr, size_t elfSize, u32 load
 
 	module->nm.nsegment = reader.GetNumSegments();
 	module->nm.attribute = modinfo->moduleAttrs;
+	if ((module->nm.attribute & PSP_MODULE_VSH_MODE) != 0) {
+		// Used by the PSP's Visual Shell (VSH/XMB) and modules it loads, such as vshmain.prx.
+		// We don't do anything special with this yet, just recognizing it for now.
+		INFO_LOG(Log::sceModule, "VSH mode module detected: %s", modinfo->name);
+	}
 	module->nm.version[0] = modinfo->moduleVersion & 0xFF;
 	module->nm.version[1] = modinfo->moduleVersion >> 8;
 	module->nm.data_size = 0;

Core/HLE/sceKernelModule.h

@@ -28,8 +28,15 @@
 class PointerWrap;
 struct SceKernelSMOption;
 
+// Known bits of PspModuleInfo::moduleAttrs.
+enum {
+	PSP_MODULE_USER_MODE = 0x0000,
+	PSP_MODULE_VSH_MODE = 0x0800,
+	PSP_MODULE_KERNEL_MODE = 0x1000,
+};
+
 struct PspModuleInfo {
-	u16_le moduleAttrs; //0x0000 User Mode, 0x1000 Kernel Mode
+	u16_le moduleAttrs; //0x0000 User Mode, 0x0800 VSH Mode, 0x1000 Kernel Mode
 	u16_le moduleVersion;
 	// 28 bytes of module name, packed with 0's.
 	char name[28];