From 3a91a62b8f80046f18b7629657e3679b1eb3deb4 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 31 Dec 2017 15:22:49 -0500
Subject: svc: Implement svcUnmapMemory.

---
 src/core/hle/kernel/process.cpp | 4 ++++
 src/core/hle/kernel/process.h   | 3 +++
 src/core/hle/svc.cpp            | 9 ++++++++-
 3 files changed, 15 insertions(+), 1 deletion(-)

(limited to 'src/core/hle')

diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 80b1be1fd..35cf6dc95 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -292,6 +292,10 @@ ResultCode Process::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
     return RESULT_SUCCESS;
 }
 
+ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) {
+    return vm_manager.UnmapRange(dst_addr, size);
+}
+
 Kernel::Process::Process() {}
 Kernel::Process::~Process() {}
 
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index 6774168e5..3ea8c298f 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -179,6 +179,9 @@ public:
 
     ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size);
 
+    ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size);
+
+
 private:
     Process();
     ~Process() override;
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index 9f983ce0e..3b49686d7 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -41,6 +41,13 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
     return Kernel::g_current_process->MirrorMemory(dst_addr, src_addr, size);
 }
 
+/// Unmaps a region that was previously mapped with svcMapMemory
+static ResultCode UnmapMemory(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->UnmapMemory(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))
@@ -241,7 +248,7 @@ static const FunctionDef SVC_Table[] = {
     {0x02, nullptr, "svcSetMemoryPermission"},
     {0x03, nullptr, "svcSetMemoryAttribute"},
     {0x04, HLE::Wrap<MapMemory>, "svcMapMemory"},
-    {0x05, nullptr, "svcUnmapMemory"},
+    {0x05, HLE::Wrap<UnmapMemory>, "svcUnmapMemory"},
     {0x06, HLE::Wrap<QueryMemory>, "svcQueryMemory"},
     {0x07, nullptr, "svcExitProcess"},
     {0x08, nullptr, "svcCreateThread"},
-- 
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