From cb2ce9924a6ac65cebc0ebe1014cf6eb459506e5 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Mon, 28 Jan 2019 11:44:35 -0500
Subject: [PATCH 1/2] service/pm: Tidy up functionality related to
 SystemBootMode

Just minor tidying of interfaces.
---
 src/core/hle/service/pm/pm.cpp | 4 +++-
 src/core/hle/service/pm/pm.h   | 7 ++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/core/hle/service/pm/pm.cpp b/src/core/hle/service/pm/pm.cpp
index 53e7da9c3a..40655532c7 100644
--- a/src/core/hle/service/pm/pm.cpp
+++ b/src/core/hle/service/pm/pm.cpp
@@ -24,8 +24,10 @@ private:
 
         IPC::ResponseBuilder rb{ctx, 3};
         rb.Push(RESULT_SUCCESS);
-        rb.Push<u32>(static_cast<u32>(SystemBootMode::Normal)); // Normal boot mode
+        rb.PushEnum(boot_mode);
     }
+
+    SystemBootMode boot_mode = SystemBootMode::Normal;
 };
 
 class DebugMonitor final : public ServiceFramework<DebugMonitor> {
diff --git a/src/core/hle/service/pm/pm.h b/src/core/hle/service/pm/pm.h
index 370f2ed722..cc8d3f2152 100644
--- a/src/core/hle/service/pm/pm.h
+++ b/src/core/hle/service/pm/pm.h
@@ -9,7 +9,12 @@ class ServiceManager;
 }
 
 namespace Service::PM {
-enum class SystemBootMode : u32 { Normal = 0, Maintenance = 1 };
+
+enum class SystemBootMode {
+    Normal,
+    Maintenance,
+};
+
 /// Registers all PM services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager);
 

From 932922f67f6b2a6be05dd8d6c6966397367f2ca2 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Mon, 28 Jan 2019 11:48:08 -0500
Subject: [PATCH 2/2] service/pm: Implement SetMaintenanceBoot()

This quite literally functions as a basic setter. No other error
checking or anything (since there's nothing to really check against).

With this, it completes the pm:bm interface in terms of functionality.
---
 src/core/hle/service/pm/pm.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/core/hle/service/pm/pm.cpp b/src/core/hle/service/pm/pm.cpp
index 40655532c7..6b27dc4a33 100644
--- a/src/core/hle/service/pm/pm.cpp
+++ b/src/core/hle/service/pm/pm.cpp
@@ -13,7 +13,7 @@ public:
     explicit BootMode() : ServiceFramework{"pm:bm"} {
         static const FunctionInfo functions[] = {
             {0, &BootMode::GetBootMode, "GetBootMode"},
-            {1, nullptr, "SetMaintenanceBoot"},
+            {1, &BootMode::SetMaintenanceBoot, "SetMaintenanceBoot"},
         };
         RegisterHandlers(functions);
     }
@@ -27,6 +27,15 @@ private:
         rb.PushEnum(boot_mode);
     }
 
+    void SetMaintenanceBoot(Kernel::HLERequestContext& ctx) {
+        LOG_DEBUG(Service_PM, "called");
+
+        boot_mode = SystemBootMode::Maintenance;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
     SystemBootMode boot_mode = SystemBootMode::Normal;
 };