From 7ce124e744a0c780025bd58e38b37d846bea6982 Mon Sep 17 00:00:00 2001
From: fincs <fincs.alt1@gmail.com>
Date: Tue, 17 May 2016 00:14:32 +0200
Subject: [PATCH] Add svcSetProcessAffinityMask, svcSetProcessIdealProcessor
 and svcRun

---
 libctru/include/3ds/svc.h | 37 +++++++++++++++++++++++++++++++++++--
 libctru/source/svc.s      | 19 +++++++++++++++++++
 2 files changed, 54 insertions(+), 2 deletions(-)

diff --git a/libctru/include/3ds/svc.h b/libctru/include/3ds/svc.h
index 25dcc9b..9667963 100644
--- a/libctru/include/3ds/svc.h
+++ b/libctru/include/3ds/svc.h
@@ -263,6 +263,16 @@ typedef struct {
 	u64 program_id;       ///< Program ID
 } CodeSetInfo;
 
+/// Information for the main thread of a process.
+typedef struct
+{
+	int priority;   ///< Priority of the main thread.
+	u32 stack_size; ///< Size of the stack of the main thread.
+	int argc;       ///< Unused on retail kernel.
+	u16* argv;      ///< Unused on retail kernel.
+	u16* envp;      ///< Unused on retail kernel.
+} StartupInfo;
+
 ///@}
 
 /**
@@ -529,7 +539,30 @@ Result svcCreateCodeSet(Handle* out, const CodeSetInfo *info, void* code_ptr, vo
  * @param arm11kernelcaps ARM11 Kernel Capabilities from exheader
  * @param arm11kernelcaps_num Number of kernel capabilities
  */
-Result svcCreateProcess(Handle* out, Handle codeset, u32 *arm11kernelcaps, u32 arm11kernelcaps_num);
+Result svcCreateProcess(Handle* out, Handle codeset, const u32 *arm11kernelcaps, u32 arm11kernelcaps_num);
+
+/**
+ * @brief Sets a process's affinity mask.
+ * @param process Handle of the process.
+ * @param affinitymask Pointer to retrieve the affinity masks from.
+ * @param processorcount Number of processors.
+ */
+Result svcSetProcessAffinityMask(Handle process, const u8* affinitymask, s32 processorcount);
+
+/**
+ * Sets a process's ideal processor.
+ * @param process Handle of the process.
+ * @param processorid ID of the thread's ideal processor.
+ */
+Result svcSetProcessIdealProcessor(Handle process, s32 processorid);
+
+/**
+ * Launches the main thread of the process.
+ * @param process Handle of the process.
+ * @param info Pointer to a StartupInfo structure describing information for the main thread.
+ */
+Result svcRun(Handle process, const StartupInfo* info);
+
 ///@}
 
 ///@name Multithreading
@@ -602,7 +635,7 @@ Result svcGetThreadAffinityMask(u8* affinitymask, Handle thread, s32 processorco
  * @param affinitymask Pointer to retrieve the affinity masks from.
  * @param processorcount Number of processors.
  */
-Result svcSetThreadAffinityMask(Handle thread, u8* affinitymask, s32 processorcount);
+Result svcSetThreadAffinityMask(Handle thread, const u8* affinitymask, s32 processorcount);
 
 /**
  * @brief Gets a thread's ideal processor.
diff --git a/libctru/source/svc.s b/libctru/source/svc.s
index 59560e5..309487b 100644
--- a/libctru/source/svc.s
+++ b/libctru/source/svc.s
@@ -37,6 +37,14 @@ SVC_BEGIN svcExitProcess
 	svc 0x03
 	bx  lr
 
+SVC_BEGIN svcSetProcessAffinityMask
+	svc 0x05
+	bx lr
+
+SVC_BEGIN svcSetProcessIdealProcessor
+	svc 0x07
+	bx lr
+
 SVC_BEGIN svcCreateThread
 	push {r0, r4}
 	ldr  r0, [sp, #0x8]
@@ -89,6 +97,17 @@ SVC_BEGIN svcGetProcessorID
 	svc 0x11
 	bx  lr
 
+SVC_BEGIN svcRun
+	push {r4,r5}
+	ldr r2, [r1, #0x04]
+	ldr r3, [r1, #0x08]
+	ldr r4, [r1, #0x0C]
+	ldr r5, [r1, #0x10]
+	ldr r1, [r1, #0x00]
+	svc 0x12
+	pop {r4,r5}
+	bx  lr
+
 SVC_BEGIN svcCreateMutex
 	str r0, [sp, #-4]!
 	svc 0x13