1 files changed, 155 insertions, 0 deletions

diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h
new file mode 100644
index 000000000..65b64cb3c
--- /dev/null
+++ b/src/core/hle/kernel/svc_wrap.h
@@ -0,0 +1,155 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/arm/arm_interface.h"
+#include "core/core.h"
+#include "core/hle/kernel/svc.h"
+#include "core/hle/result.h"
+#include "core/memory.h"
+
+namespace Kernel {
+
+#define PARAM(n) Core::CPU().GetReg(n)
+
+/**
+ * HLE a function return from the current ARM userland process
+ * @param res Result to return
+ */
+static inline void FuncReturn(u64 res) {
+    Core::CPU().SetReg(0, res);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Function wrappers that return type ResultCode
+
+template <ResultCode func(u64)>
+void SvcWrap() {
+    FuncReturn(func(PARAM(0)).raw);
+}
+
+template <ResultCode func(u32)>
+void SvcWrap() {
+    FuncReturn(func((u32)PARAM(0)).raw);
+}
+
+template <ResultCode func(u32, u32)>
+void SvcWrap() {
+    FuncReturn(func((u32)PARAM(0), (u32)PARAM(1)).raw);
+}
+
+template <ResultCode func(u32*, u32)>
+void SvcWrap() {
+    u32 param_1 = 0;
+    u32 retval = func(&param_1, (u32)PARAM(1)).raw;
+    Core::CPU().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
+template <ResultCode func(u32*, u64)>
+void SvcWrap() {
+    u32 param_1 = 0;
+    u32 retval = func(&param_1, PARAM(1)).raw;
+    Core::CPU().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
+template <ResultCode func(u64, u32)>
+void SvcWrap() {
+    FuncReturn(func(PARAM(0), (u32)PARAM(1)).raw);
+}
+
+template <ResultCode func(u64*, u64)>
+void SvcWrap() {
+    u64 param_1 = 0;
+    u32 retval = func(&param_1, PARAM(1)).raw;
+    Core::CPU().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
+template <ResultCode func(u32, u64, u32)>
+void SvcWrap() {
+    FuncReturn(func((u32)PARAM(0), PARAM(1), (u32)PARAM(2)).raw);
+}
+
+template <ResultCode func(u64, u64, u64)>
+void SvcWrap() {
+    FuncReturn(func(PARAM(0), PARAM(1), PARAM(2)).raw);
+}
+
+template <ResultCode func(u64, u64, s64)>
+void SvcWrap() {
+    FuncReturn(func(PARAM(1), PARAM(2), (s64)PARAM(3)).raw);
+}
+
+template <ResultCode func(u64*, u64, u64, u64)>
+void SvcWrap() {
+    u64 param_1 = 0;
+    u32 retval = func(&param_1, PARAM(1), PARAM(2), PARAM(3)).raw;
+    Core::CPU().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
+template <ResultCode func(u32*, u64, u64, u64, u32, s32)>
+void SvcWrap() {
+    u32 param_1 = 0;
+    u32 retval =
+        func(&param_1, PARAM(1), PARAM(2), PARAM(3), (u32)PARAM(4), (s32)(PARAM(5) & 0xFFFFFFFF))
+            .raw;
+    Core::CPU().SetReg(1, param_1);
+    FuncReturn(retval);
+}
+
+template <ResultCode func(MemoryInfo*, PageInfo*, u64)>
+void SvcWrap() {
+    MemoryInfo memory_info = {};
+    PageInfo page_info = {};
+    u32 retval = func(&memory_info, &page_info, PARAM(2)).raw;
+
+    Memory::Write64(PARAM(0), memory_info.base_address);
+    Memory::Write64(PARAM(0) + 8, memory_info.size);
+    Memory::Write32(PARAM(0) + 16, memory_info.type);
+    Memory::Write32(PARAM(0) + 20, memory_info.attributes);
+    Memory::Write32(PARAM(0) + 24, memory_info.permission);
+
+    FuncReturn(retval);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Function wrappers that return type u32
+
+template <u32 func()>
+void SvcWrap() {
+    FuncReturn(func());
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// Function wrappers that return type void
+
+template <void func()>
+void SvcWrap() {
+    func();
+}
+
+template <void func(s64)>
+void SvcWrap() {
+    func((s64)PARAM(0));
+}
+
+template <void func(u64, s32 len)>
+void SvcWrap() {
+    func(PARAM(0), (s32)(PARAM(1) & 0xFFFFFFFF));
+}
+
+template <void func(u64, u64, u64)>
+void SvcWrap() {
+    func(PARAM(0), PARAM(1), PARAM(2));
+}
+
+#undef PARAM
+#undef FuncReturn
+
+} // namespace Kernel