5 files changed, 69 insertions, 7 deletions
diff --git a/src/core/hle/applets/mii_selector.cpp b/src/core/hle/applets/mii_selector.cpp
index 1dd6757f7..b4456ca90 100644
--- a/src/core/hle/applets/mii_selector.cpp
+++ b/src/core/hle/applets/mii_selector.cpp
@@ -58,6 +58,11 @@ ResultCode MiiSelector::StartImpl(const Service::APT::AppletStartupParameter& pa
     // TODO(Subv): Set the expected fields in the response buffer before resending it to the application.
     // TODO(Subv): Reverse the parameter format for the Mii Selector
 
+    if(parameter.buffer_size >= sizeof(u32)) {
+        // TODO: defaults return no error, but garbage in other unknown fields
+        memset(parameter.data, 0, sizeof(u32));
+    }
+
     // Let the application know that we're closing
     Service::APT::MessageParameter message;
     message.buffer_size = parameter.buffer_size;
diff --git a/src/core/hle/applets/mii_selector.h b/src/core/hle/applets/mii_selector.h
index 5619f8399..be6b04642 100644
--- a/src/core/hle/applets/mii_selector.h
+++ b/src/core/hle/applets/mii_selector.h
@@ -16,6 +16,50 @@
 namespace HLE {
 namespace Applets {
 
+struct MiiConfig {
+    u8  unk_000;
+    u8  unk_001;
+    u8  unk_002;
+    u8  unk_003;
+    u8  unk_004;
+    INSERT_PADDING_BYTES(3);
+    u16 unk_008;
+    INSERT_PADDING_BYTES(0x8C - 0xA);
+    u8  unk_08C;
+    INSERT_PADDING_BYTES(3);
+    u16 unk_090;
+    INSERT_PADDING_BYTES(2);
+    u32 unk_094;
+    u16 unk_098;
+    u8  unk_09A[0x64];
+    u8  unk_0FE;
+    u8  unk_0FF;
+    u32 unk_100;
+};
+
+static_assert(sizeof(MiiConfig) == 0x104, "MiiConfig structure has incorrect size");
+#define ASSERT_REG_POSITION(field_name, position) static_assert(offsetof(MiiConfig, field_name) == position, "Field "#field_name" has invalid position")
+ASSERT_REG_POSITION(unk_008, 0x08);
+ASSERT_REG_POSITION(unk_08C, 0x8C);
+ASSERT_REG_POSITION(unk_090, 0x90);
+ASSERT_REG_POSITION(unk_094, 0x94);
+ASSERT_REG_POSITION(unk_0FE, 0xFE);
+#undef ASSERT_REG_POSITION
+
+struct MiiResult {
+    u32 result_code;
+    u8 unk_04;
+    INSERT_PADDING_BYTES(7);
+    u8 unk_0C[0x60];
+    u8 unk_6C[0x16];
+    INSERT_PADDING_BYTES(2);
+};
+static_assert(sizeof(MiiResult) == 0x84, "MiiResult structure has incorrect size");
+#define ASSERT_REG_POSITION(field_name, position) static_assert(offsetof(MiiResult, field_name) == position, "Field "#field_name" has invalid position")
+ASSERT_REG_POSITION(unk_0C, 0x0C);
+ASSERT_REG_POSITION(unk_6C, 0x6C);
+#undef ASSERT_REG_POSITION
+
 class MiiSelector final : public Applet {
 public:
     MiiSelector(Service::APT::AppletId id) : Applet(id), started(false) { }
diff --git a/src/core/hle/hle.cpp b/src/core/hle/hle.cpp
index e545de3b5..5c5373517 100644
--- a/src/core/hle/hle.cpp
+++ b/src/core/hle/hle.cpp
@@ -12,9 +12,13 @@
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-namespace HLE {
+namespace {
+
+bool reschedule; ///< If true, immediately reschedules the CPU to a new thread
 
-bool g_reschedule; ///< If true, immediately reschedules the CPU to a new thread
+}
+
+namespace HLE {
 
 void Reschedule(const char *reason) {
     DEBUG_ASSERT_MSG(reason != nullptr && strlen(reason) < 256, "Reschedule: Invalid or too long reason.");
@@ -27,13 +31,21 @@ void Reschedule(const char *reason) {
 
     Core::g_app_core->PrepareReschedule();
 
-    g_reschedule = true;
+    reschedule = true;
+}
+
+bool IsReschedulePending() {
+    return reschedule;
+}
+
+void DoneRescheduling() {
+    reschedule = false;
 }
 
 void Init() {
     Service::Init();
 
-    g_reschedule = false;
+    reschedule = false;
 
     LOG_DEBUG(Kernel, "initialized OK");
 }
diff --git a/src/core/hle/hle.h b/src/core/hle/hle.h
index e0b97797c..69ac0ade6 100644
--- a/src/core/hle/hle.h
+++ b/src/core/hle/hle.h
@@ -13,9 +13,9 @@ const Handle INVALID_HANDLE = 0;
 
 namespace HLE {
 
-extern bool g_reschedule;   ///< If true, immediately reschedules the CPU to a new thread
-
 void Reschedule(const char *reason);
+bool IsReschedulePending();
+void DoneRescheduling();
 
 void Init();
 void Shutdown();
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index bf32f653d..6dc95d0f1 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -483,7 +483,8 @@ void Reschedule() {
 
     Thread* cur = GetCurrentThread();
     Thread* next = PopNextReadyThread();
-    HLE::g_reschedule = false;
+
+    HLE::DoneRescheduling();
 
     // Don't bother switching to the same thread
     if (next == cur)