From 6e021f22b8c61654aa1e72ceef16202a11d42016 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Thu, 28 Dec 2017 21:38:38 -0500
Subject: [PATCH] svc: Implement MapMemory.

---
 src/core/hle/function_wrappers.h |  5 +++++
 src/core/hle/svc.cpp             | 14 +++++++++++---
 src/core/memory.h                |  2 +-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/core/hle/function_wrappers.h b/src/core/hle/function_wrappers.h
index 528208178..5d6d0eb56 100644
--- a/src/core/hle/function_wrappers.h
+++ b/src/core/hle/function_wrappers.h
@@ -42,6 +42,11 @@ void Wrap() {
     FuncReturn(func(PARAM(0), PARAM(1)).raw);
 }
 
+template <ResultCode func(u64, u64, u64)>
+void Wrap() {
+    FuncReturn(func(PARAM(0), PARAM(1), PARAM(2)).raw);
+}
+
 template <ResultCode func(u64, u64, s64)>
 void Wrap() {
     FuncReturn(func(PARAM(1), PARAM(2), (s64)PARAM(3)).raw);
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index ae0ceb252..47041afd4 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -26,12 +26,20 @@ namespace SVC {
 
 /// Set the process heap to a given Size. It can both extend and shrink the heap.
 static ResultCode SetHeapSize(VAddr* heap_addr, u64 heap_size) {
-    LOG_TRACE(Kernel_SVC, "called, heap_size=%ull", heap_size);
+    LOG_TRACE(Kernel_SVC, "called, heap_size=0x%llx", heap_size);
     auto& process = *Kernel::g_current_process;
-    CASCADE_RESULT(*heap_addr, process.HeapAllocate(Memory::HEAP_VADDR, heap_size, Kernel::VMAPermission::ReadWrite));
+    CASCADE_RESULT(*heap_addr, process.HeapAllocate(Memory::HEAP_VADDR, heap_size,
+                                                    Kernel::VMAPermission::ReadWrite));
     return RESULT_SUCCESS;
 }
 
+/// Maps a memory range into a different range.
+static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
+    LOG_TRACE(Kernel_SVC, "called, dst_addr=0x%llx, src_addr=0x%llx, size=0x%llx", dst_addr,
+              src_addr, size);
+    return Kernel::g_current_process->MirrorMemory(dst_addr, src_addr, size);
+}
+
 /// Connect to an OS service given the port name, returns the handle to the port to out
 static ResultCode ConnectToPort(Kernel::Handle* out_handle, VAddr port_name_address) {
     if (!Memory::IsValidVirtualAddress(port_name_address))
@@ -216,7 +224,7 @@ static const FunctionDef SVC_Table[] = {
     {0x01, HLE::Wrap<SetHeapSize>, "svcSetHeapSize"},
     {0x02, nullptr, "svcSetMemoryPermission"},
     {0x03, nullptr, "svcSetMemoryAttribute"},
-    {0x04, nullptr, "svcMapMemory"},
+    {0x04, HLE::Wrap<MapMemory>, "svcMapMemory"},
     {0x05, nullptr, "svcUnmapMemory"},
     {0x06, HLE::Wrap<QueryMemory>, "svcQueryMemory"},
     {0x07, nullptr, "svcExitProcess"},
diff --git a/src/core/memory.h b/src/core/memory.h
index 8c60f1dd3..71ba487fc 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -136,7 +136,7 @@ enum : VAddr {
 
     /// Application heap (includes stack).
     HEAP_VADDR = 0x108000000,
-    HEAP_SIZE = 0x08000000,
+    HEAP_SIZE = 0x18000000,
     HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
 
     /// Area where shared memory buffers are mapped onto.