diff --git a/include/stratosphere/cfg/cfg_api.hpp b/include/stratosphere/cfg/cfg_api.hpp
index 62431da2..9c5c8efe 100644
--- a/include/stratosphere/cfg/cfg_api.hpp
+++ b/include/stratosphere/cfg/cfg_api.hpp
@@ -20,8 +20,9 @@
 
 namespace sts::cfg {
 
-    /* Is the current proces privileged? */
+    /* Privileged Process configuration. */
     bool IsInitialProcess();
+    void GetInitialProcessRange(u64 *out_min, u64 *out_max);
 
     /* SD card configuration. */
     bool IsSdCardInitialized();
diff --git a/include/stratosphere/defines.hpp b/include/stratosphere/defines.hpp
index 2a76f02a..f054535f 100644
--- a/include/stratosphere/defines.hpp
+++ b/include/stratosphere/defines.hpp
@@ -25,3 +25,6 @@
 #define NON_MOVEABLE(cls) \
     cls(cls&&) = delete; \
     cls& operator=(cls&&) = delete
+
+#define ALIGNED(algn) __attribute__((aligned(algn)))
+#define WEAK          __attribute__((weak))
\ No newline at end of file
diff --git a/include/stratosphere/pm.hpp b/include/stratosphere/pm.hpp
index 877cdc1b..92d8eef6 100644
--- a/include/stratosphere/pm.hpp
+++ b/include/stratosphere/pm.hpp
@@ -17,4 +17,7 @@
 #pragma once
 #include <switch.h>
 
-#include "pm/pm_info_api.hpp"
\ No newline at end of file
+#include "pm/pm_types.hpp"
+#include "pm/pm_boot_mode_api.hpp"
+#include "pm/pm_info_api.hpp"
+#include "pm/pm_shell_api.hpp"
\ No newline at end of file
diff --git a/include/stratosphere/pm/pm_boot_mode_api.hpp b/include/stratosphere/pm/pm_boot_mode_api.hpp
new file mode 100644
index 00000000..dee49a0a
--- /dev/null
+++ b/include/stratosphere/pm/pm_boot_mode_api.hpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "pm_types.hpp"
+
+namespace sts::pm::bm {
+
+    /* Boot Mode API. */
+    BootMode GetBootMode();
+    void     SetMaintenanceBoot();
+
+}
diff --git a/include/stratosphere/pm/pm_info_api.hpp b/include/stratosphere/pm/pm_info_api.hpp
index 29f8dc89..04f0fad3 100644
--- a/include/stratosphere/pm/pm_info_api.hpp
+++ b/include/stratosphere/pm/pm_info_api.hpp
@@ -16,14 +16,16 @@
 
 #pragma once
 
+#include "pm_types.hpp"
+
 namespace sts::pm::info {
 
     /* Information API. */
-    Result GetTitleId(u64 *out_title_id, u64 process_id);
-    Result GetProcessId(u64 *out_process_id, u64 title_id);
-    Result HasLaunchedTitle(bool *out, u64 title_id);
+    Result GetTitleId(ncm::TitleId *out_title_id, u64 process_id);
+    Result GetProcessId(u64 *out_process_id, ncm::TitleId title_id);
+    Result HasLaunchedTitle(bool *out, ncm::TitleId title_id);
 
     /* Information convenience API. */
-    bool HasLaunchedTitle(u64 title_id);
+    bool HasLaunchedTitle(ncm::TitleId title_id);
 
 }
diff --git a/include/stratosphere/pm/pm_shell_api.hpp b/include/stratosphere/pm/pm_shell_api.hpp
new file mode 100644
index 00000000..f3f6002c
--- /dev/null
+++ b/include/stratosphere/pm/pm_shell_api.hpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "../ldr.hpp"
+#include "pm_types.hpp"
+
+namespace sts::pm::shell {
+
+    /* Shell API. */
+    Result LaunchTitle(u64 *out_process_id, const ncm::TitleLocation &loc, u32 launch_flags);
+
+}
diff --git a/include/stratosphere/pm/pm_types.hpp b/include/stratosphere/pm/pm_types.hpp
new file mode 100644
index 00000000..bb6eb29a
--- /dev/null
+++ b/include/stratosphere/pm/pm_types.hpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include <switch.h>
+
+namespace sts::pm {
+
+    enum class BootMode {
+        Normal      = 0,
+        Maintenance = 1,
+        SafeMode    = 2,
+    };
+
+    enum ResourceLimitGroup {
+        ResourceLimitGroup_System      = 0,
+        ResourceLimitGroup_Application = 1,
+        ResourceLimitGroup_Applet      = 2,
+        ResourceLimitGroup_Count,
+    };
+
+    using LimitableResource = ::LimitableResource;
+
+    struct ProcessEventInfo {
+        u32 event;
+        u64 process_id;
+    };
+    static_assert(sizeof(ProcessEventInfo) == 0x10 && std::is_pod<ProcessEventInfo>::value, "ProcessEventInfo definition!");
+
+}
diff --git a/include/stratosphere/sm/sm_types.hpp b/include/stratosphere/sm/sm_types.hpp
index 57b792d8..377c05fc 100644
--- a/include/stratosphere/sm/sm_types.hpp
+++ b/include/stratosphere/sm/sm_types.hpp
@@ -16,6 +16,7 @@
 
 #pragma once
 #include <cstring>
+#include <switch.h>
 
 namespace sts::sm {
 
diff --git a/include/stratosphere/spl/spl_api.hpp b/include/stratosphere/spl/spl_api.hpp
index d24a69c5..b511ad9e 100644
--- a/include/stratosphere/spl/spl_api.hpp
+++ b/include/stratosphere/spl/spl_api.hpp
@@ -21,6 +21,7 @@
 namespace sts::spl {
 
     HardwareType GetHardwareType();
+    MemoryArrangement GetMemoryArrangement();
     bool IsDevelopmentHardware();
     bool IsDevelopmentFunctionEnabled();
     bool IsMariko();
diff --git a/include/stratosphere/spl/spl_types.hpp b/include/stratosphere/spl/spl_types.hpp
index 84680ab5..56ce8fdd 100644
--- a/include/stratosphere/spl/spl_types.hpp
+++ b/include/stratosphere/spl/spl_types.hpp
@@ -107,6 +107,20 @@ namespace sts::spl {
         Iowa = 3,
     };
 
+    enum MemoryArrangement {
+        MemoryArrangement_Standard             = 0,
+        MemoryArrangement_StandardForAppletDev = 1,
+        MemoryArrangement_StandardForSystemDev = 2,
+        MemoryArrangement_Expanded             = 3,
+        MemoryArrangement_ExpandedForAppletDev = 4,
+
+        /* Note: MemoryArrangement_Dynamic is not official. */
+        /* Atmosphere uses it to maintain compatibility with firmwares prior to 6.0.0, */
+        /* which removed the explicit retrieval of memory arrangement from PM. */
+        MemoryArrangement_Dynamic              = 5,
+        MemoryArrangement_Count,
+    };
+
     struct BootReasonValue {
         union {
             struct {
diff --git a/source/cfg/cfg_override.cpp b/source/cfg/cfg_override.cpp
index e6f1814a..ab84362e 100644
--- a/source/cfg/cfg_override.cpp
+++ b/source/cfg/cfg_override.cpp
@@ -219,7 +219,7 @@ namespace sts::cfg {
         }
 
         /* For system modules and anything launched before the home menu, always override. */
-        if (static_cast<u64>(title_id) < TitleId_AppletStart || !pm::info::HasLaunchedTitle(TitleId_AppletQlaunch)) {
+        if (static_cast<u64>(title_id) < TitleId_AppletStart || !pm::info::HasLaunchedTitle(ncm::TitleId{TitleId_AppletQlaunch})) {
             return true;
         }
 
@@ -237,7 +237,7 @@ namespace sts::cfg {
         }
 
         /* For system modules and anything launched before the home menu, always override. */
-        if (static_cast<u64>(title_id) < TitleId_AppletStart || !pm::info::HasLaunchedTitle(TitleId_AppletQlaunch)) {
+        if (static_cast<u64>(title_id) < TitleId_AppletStart || !pm::info::HasLaunchedTitle(ncm::TitleId{TitleId_AppletQlaunch})) {
             return true;
         }
 
@@ -258,7 +258,7 @@ namespace sts::cfg {
         }
 
         /* For system modules and anything launched before the home menu, always override. */
-        if (static_cast<u64>(title_id) < TitleId_AppletStart || !pm::info::HasLaunchedTitle(TitleId_AppletQlaunch)) {
+        if (static_cast<u64>(title_id) < TitleId_AppletStart || !pm::info::HasLaunchedTitle(ncm::TitleId{TitleId_AppletQlaunch})) {
             *out_hbl = false;
             *out_title = true;
             return;
diff --git a/source/cfg/cfg_privileged_process.cpp b/source/cfg/cfg_privileged_process.cpp
index e33af937..cab6469b 100644
--- a/source/cfg/cfg_privileged_process.cpp
+++ b/source/cfg/cfg_privileged_process.cpp
@@ -28,8 +28,9 @@ namespace sts::cfg {
 
         /* Privileged process globals. */
         HosMutex g_lock;
-        bool g_detected_privileged_process = false;
-        bool g_is_privileged_process = false;
+        bool g_got_privileged_process_status = false;
+        u64 g_min_initial_process_id = 0, g_max_initial_process_id = 0;
+        u64 g_cur_process_id = 0;
 
         /* SD card helpers. */
         void GetPrivilegedProcessIdRange(u64 *out_min, u64 *out_max) {
@@ -58,28 +59,37 @@ namespace sts::cfg {
             return process_id;
         }
 
-        void DetectIsPrivilegedProcess() {
-            u64 min = 0, max = 0, cur = 0;
-            GetPrivilegedProcessIdRange(&min, &max);
-            cur = GetCurrentProcessId();
-            g_is_privileged_process = min <= cur && cur <= max;
-            g_detected_privileged_process = true;
+        void GetPrivilegedProcessStatus() {
+            GetPrivilegedProcessIdRange(&g_min_initial_process_id, &g_max_initial_process_id);
+            g_cur_process_id = GetCurrentProcessId();
+            g_got_privileged_process_status = true;
         }
 
-
     }
 
-    /* SD card utilities. */
-    bool IsPrivilegedProcess() {
+    /* Privileged Process utilities. */
+    bool IsInitialProcess() {
         std::scoped_lock<HosMutex> lk(g_lock);
 
-        /* If we've already detected, return cached result. */
-        if (!g_detected_privileged_process) {
-            DetectIsPrivilegedProcess();
+        /* If we've not detected, do detection. */
+        if (!g_got_privileged_process_status) {
+            GetPrivilegedProcessStatus();
         }
 
         /* Determine if we're privileged, and return. */
-        return g_is_privileged_process;
+        return g_min_initial_process_id <= g_cur_process_id && g_cur_process_id <= g_max_initial_process_id;
+    }
+
+    void GetInitialProcessRange(u64 *out_min, u64 *out_max) {
+        std::scoped_lock<HosMutex> lk(g_lock);
+
+        /* If we've not detected, do detection. */
+        if (!g_got_privileged_process_status) {
+            GetPrivilegedProcessStatus();
+        }
+
+        *out_min = g_min_initial_process_id;
+        *out_max = g_max_initial_process_id;
     }
 
 }
diff --git a/source/hid/hid_api.cpp b/source/hid/hid_api.cpp
index cee7b577..b0560960 100644
--- a/source/hid/hid_api.cpp
+++ b/source/hid/hid_api.cpp
@@ -39,7 +39,7 @@ namespace sts::hid {
         Result EnsureHidInitialized() {
             if (!g_initialized_hid) {
                 if (!serviceIsActive(hidGetSessionService())) {
-                    if (!pm::info::HasLaunchedTitle(TitleId_Hid)) {
+                    if (!pm::info::HasLaunchedTitle(ncm::TitleId{TitleId_Hid})) {
                         return MAKERESULT(Module_Libnx, LibnxError_InitFail_HID);
                     }
                     InitializeHid();
diff --git a/source/pm/pm_boot_mode_api.cpp b/source/pm/pm_boot_mode_api.cpp
new file mode 100644
index 00000000..c207b7e7
--- /dev/null
+++ b/source/pm/pm_boot_mode_api.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <switch.h>
+#include <stratosphere.hpp>
+#include <stratosphere/pm.hpp>
+
+namespace sts::pm::bm {
+
+    /* Boot Mode API. */
+    /* Both functions should be weakly linked, so that they can be overridden by sts::boot2 as needed. */
+    BootMode WEAK GetBootMode() {
+        PmBootMode boot_mode = PmBootMode_Normal;
+        R_ASSERT(pmbmGetBootMode(&boot_mode));
+        return static_cast<BootMode>(boot_mode);
+    }
+
+    void WEAK SetMaintenanceBoot() {
+        R_ASSERT(pmbmSetMaintenanceBoot());
+    }
+
+}
diff --git a/source/pm/pm_info_api.cpp b/source/pm/pm_info_api.cpp
index 3b62c341..379d49c1 100644
--- a/source/pm/pm_info_api.cpp
+++ b/source/pm/pm_info_api.cpp
@@ -31,37 +31,37 @@ namespace sts::pm::info {
     }
 
     /* Information API. */
-    Result GetTitleId(u64 *out_title_id, u64 process_id) {
+    Result GetTitleId(ncm::TitleId *out_title_id, u64 process_id) {
         std::scoped_lock<HosMutex> lk(g_info_lock);
 
-        return pminfoGetTitleId(out_title_id, process_id);
+        return pminfoGetTitleId(reinterpret_cast<u64 *>(out_title_id), process_id);
     }
 
-    Result GetProcessId(u64 *out_process_id, u64 title_id) {
+    Result GetProcessId(u64 *out_process_id, ncm::TitleId title_id) {
         std::scoped_lock<HosMutex> lk(g_info_lock);
 
-        return pminfoAtmosphereGetProcessId(out_process_id, title_id);
+        return pminfoAtmosphereGetProcessId(out_process_id, static_cast<u64>(title_id));
     }
 
-    Result __attribute__((weak)) HasLaunchedTitle(bool *out, u64 title_id) {
+    Result WEAK HasLaunchedTitle(bool *out, ncm::TitleId title_id) {
         std::scoped_lock<HosMutex> lk(g_info_lock);
 
-        if (g_cached_launched_titles.find(title_id) != g_cached_launched_titles.end()) {
+        if (g_cached_launched_titles.find(static_cast<u64>(title_id)) != g_cached_launched_titles.end()) {
             *out = true;
             return ResultSuccess;
         }
 
         bool has_launched = false;
-        R_TRY(pminfoAtmosphereHasLaunchedTitle(&has_launched, title_id));
+        R_TRY(pminfoAtmosphereHasLaunchedTitle(&has_launched, static_cast<u64>(title_id)));
         if (has_launched) {
-            g_cached_launched_titles.insert(title_id);
+            g_cached_launched_titles.insert(static_cast<u64>(title_id));
         }
 
         *out = has_launched;
         return ResultSuccess;
     }
 
-    bool HasLaunchedTitle(u64 title_id) {
+    bool HasLaunchedTitle(ncm::TitleId title_id) {
         bool has_launched = false;
         R_ASSERT(HasLaunchedTitle(&has_launched, title_id));
         return has_launched;
diff --git a/source/pm/pm_shell_api.cpp b/source/pm/pm_shell_api.cpp
new file mode 100644
index 00000000..09d5e4d2
--- /dev/null
+++ b/source/pm/pm_shell_api.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <switch.h>
+#include <stratosphere.hpp>
+#include <stratosphere/pm.hpp>
+
+namespace sts::pm::shell {
+
+    /* Shell API. */
+    Result WEAK LaunchTitle(u64 *out_process_id, const ncm::TitleLocation &loc, u32 launch_flags) {
+        return pmshellLaunchProcess(launch_flags, static_cast<u64>(loc.title_id), loc.storage_id, out_process_id);
+    }
+
+}
diff --git a/source/spl/spl_api.cpp b/source/spl/spl_api.cpp
index f3aea6a7..140d44a1 100644
--- a/source/spl/spl_api.cpp
+++ b/source/spl/spl_api.cpp
@@ -25,6 +25,24 @@ namespace sts::spl {
         return static_cast<HardwareType>(out_val);
     }
 
+    MemoryArrangement GetMemoryArrangement() {
+        u64 arrange = 0;
+        R_ASSERT(splGetConfig(SplConfigItem_MemoryArrange, &arrange));
+        arrange &= 0x3F;
+        switch (arrange) {
+            case 2:
+                return MemoryArrangement_StandardForAppletDev;
+            case 3:
+                return MemoryArrangement_StandardForSystemDev;
+            case 17:
+                return MemoryArrangement_Expanded;
+            case 18:
+                return MemoryArrangement_ExpandedForAppletDev;
+            default:
+                return MemoryArrangement_Standard;
+        }
+    }
+
     bool IsDevelopmentHardware() {
         bool is_dev_hardware;
         R_ASSERT(splIsDevelopment(&is_dev_hardware));