From ce31184557361f3905e81e2ab948de976c51c7e4 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Thu, 23 Jul 2015 18:52:57 -0500
Subject: [PATCH] Service/APT: Return proper parameters in GetLockHandle.
Documented some APT functions
This allows applets to boot.
---
src/core/hle/applets/applet.cpp | 9 +++++++++
src/core/hle/applets/applet.h | 3 +++
src/core/hle/service/apt/apt.cpp | 32 ++++++++++++++++++--------------
src/core/hle/service/apt/apt.h | 19 +++++++++++++++++++
4 files changed, 49 insertions(+), 14 deletions(-)
diff --git a/src/core/hle/applets/applet.cpp b/src/core/hle/applets/applet.cpp
index 826f6cbb6f..e9ab6ffd8e 100644
--- a/src/core/hle/applets/applet.cpp
+++ b/src/core/hle/applets/applet.cpp
@@ -89,12 +89,21 @@ ResultCode Applet::Start(const Service::APT::AppletStartupParameter& parameter)
return result;
}
+bool IsLibraryAppletRunning() {
+ // Check the applets map for instances of any applet
+ for (auto& itr = applets.begin(); itr != applets.end(); ++itr)
+ if (itr->second != nullptr)
+ return true;
+ return false;
+}
+
void Init() {
// Register the applet update callback
applet_update_event = CoreTiming::RegisterEvent("HLE Applet Update Event", AppletUpdateEvent);
}
void Shutdown() {
+ CoreTiming::RemoveEvent(applet_update_event);
}
}
diff --git a/src/core/hle/applets/applet.h b/src/core/hle/applets/applet.h
index b235d0b8a4..af442f81d5 100644
--- a/src/core/hle/applets/applet.h
+++ b/src/core/hle/applets/applet.h
@@ -67,6 +67,9 @@ protected:
Service::APT::AppletId id; ///< Id of this Applet
};
+/// Returns whether a library applet is currently running
+bool IsLibraryAppletRunning();
+
/// Initializes the HLE applets
void Init();
diff --git a/src/core/hle/service/apt/apt.cpp b/src/core/hle/service/apt/apt.cpp
index 7b6ab4ce01..1988be5219 100644
--- a/src/core/hle/service/apt/apt.cpp
+++ b/src/core/hle/service/apt/apt.cpp
@@ -101,18 +101,19 @@ void NotifyToWait(Service::Interface* self) {
void GetLockHandle(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
- u32 flags = cmd_buff[1]; // TODO(bunnei): Figure out the purpose of the flag field
+ // Bits [0:2] are the applet type (System, Library, etc)
+ // Bit 5 tells the application that there's a pending APT parameter,
+ // this will cause the app to wait until parameter_event is signaled.
+ u32 applet_attributes = cmd_buff[1];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
- // Not sure what these parameters are used for, but retail apps check that they are 0 after
- // GetLockHandle has been called.
- cmd_buff[2] = 0; // Applet Attributes, this value is passed to Enable.
- cmd_buff[3] = 0;
- cmd_buff[4] = 0;
-
+ cmd_buff[2] = applet_attributes; // Applet Attributes, this value is passed to Enable.
+ cmd_buff[3] = 0; // Least significant bit = power button state
+ cmd_buff[4] = IPC::CopyHandleDesc();
cmd_buff[5] = Kernel::g_handle_table.Create(lock).MoveFrom();
- LOG_TRACE(Service_APT, "called handle=0x%08X", cmd_buff[5]);
+
+ LOG_WARNING(Service_APT, "(STUBBED) called handle=0x%08X applet_attributes=0x%08X", cmd_buff[5], applet_attributes);
}
void Enable(Service::Interface* self) {
@@ -139,13 +140,16 @@ void IsRegistered(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 app_id = cmd_buff[1];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
- /// TODO(Subv): It is currently unknown what this value (0x400) means,
- /// but i believe it is used as a global "LibraryApplet" id, to verify if there's
- /// any LibApplet currently running. This is not verified.
- if (app_id != 0x400)
+
+ // TODO(Subv): An application is considered "registered" if it has already called APT::Enable
+ // handle this properly once we implement multiprocess support.
+ cmd_buff[2] = 0; // Set to not registered by default
+
+ if (app_id == static_cast<u32>(AppletId::AnyLibraryApplet)) {
+ cmd_buff[2] = HLE::Applets::IsLibraryAppletRunning() ? 1 : 0;
+ } else if (auto applet = HLE::Applets::Applet::Get(static_cast<AppletId>(app_id))) {
cmd_buff[2] = 1; // Set to registered
- else
- cmd_buff[2] = 0; // Set to not registered
+ }
LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X", app_id);
}
diff --git a/src/core/hle/service/apt/apt.h b/src/core/hle/service/apt/apt.h
index 72972d05bb..563068d5af 100644
--- a/src/core/hle/service/apt/apt.h
+++ b/src/core/hle/service/apt/apt.h
@@ -62,6 +62,7 @@ enum class AppletId : u32 {
Extrapad = 0x208,
Memolib = 0x209,
Application = 0x300,
+ AnyLibraryApplet = 0x400,
SoftwareKeyboard2 = 0x401,
};
@@ -96,8 +97,26 @@ void GetSharedFont(Service::Interface* self);
*/
void NotifyToWait(Service::Interface* self);
+/**
+ * APT::GetLockHandle service function
+ * Inputs:
+ * 1 : Applet attributes
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ * 2 : Applet attributes
+ * 3 : Power button state
+ * 4 : IPC handle descriptor
+ * 5 : APT mutex handle
+ */
void GetLockHandle(Service::Interface* self);
+/**
+ * APT::Enable service function
+ * Inputs:
+ * 1 : Applet attributes
+ * Outputs:
+ * 1 : Result of function, 0 on success, otherwise error code
+ */
void Enable(Service::Interface* self);
/**