Better process implementation (#491)

* Initial implementation of KProcess

* Some improvements to the memory manager, implement back guest stack trace printing

* Better GetInfo implementation, improve checking in some places with information from process capabilities

* Allow the cpu to read/write from the correct memory locations for accesses crossing a page boundary

* Change long -> ulong for address/size on memory related methods to avoid unnecessary casts

* Attempt at implementing ldr:ro with new KProcess

* Allow BSS with size 0 on ldr:ro

* Add checking for memory block slab heap usage, return errors if full, exit gracefully

* Use KMemoryBlockSize const from KMemoryManager

* Allow all methods to read from non-contiguous locations

* Fix for TransactParcelAuto

* Address PR feedback, additionally fix some small issues related to the KIP loader and implement SVCs GetProcessId, GetProcessList, GetSystemInfo, CreatePort and ManageNamedPort

* Fix wrong check for source pages count from page list on MapPhysicalMemory

* Fix some issues with UnloadNro on ldr:ro

Ryujinx.HLE/HOS/Kernel/KernelResult.cs

@@ -2,9 +2,30 @@ namespace Ryujinx.HLE.HOS.Kernel
 {
     enum KernelResult
     {
-        Success         = 0,
-        HandleTableFull = 0xd201,
-        InvalidHandle   = 0xe401,
-        InvalidState    = 0xfa01
+        Success            = 0,
+        InvalidCapability  = 0x1c01,
+        ThreadTerminating  = 0x7601,
+        InvalidSize        = 0xca01,
+        InvalidAddress     = 0xcc01,
+        OutOfResource      = 0xce01,
+        OutOfMemory        = 0xd001,
+        HandleTableFull    = 0xd201,
+        InvalidMemState    = 0xd401,
+        InvalidPermission  = 0xd801,
+        InvalidMemRange    = 0xdc01,
+        InvalidPriority    = 0xe001,
+        InvalidCpuCore     = 0xe201,
+        InvalidHandle      = 0xe401,
+        UserCopyFailed     = 0xe601,
+        InvalidCombination = 0xe801,
+        TimedOut           = 0xea01,
+        Cancelled          = 0xec01,
+        MaximumExceeded    = 0xee01,
+        InvalidEnumValue   = 0xf001,
+        NotFound           = 0xf201,
+        InvalidThread      = 0xf401,
+        InvalidState       = 0xfa01,
+        ReservedValue      = 0xfc01,
+        ResLimitExceeded   = 0x10801
     }
 }