service: Add the pcie service

Adds the basic skeleton of the pcie service based off information on
Switch Brew.

src/core/hle/service/pcie/pcie.cpp

@@ -0,0 +1,64 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+
+#include "core/hle/service/pcie/pcie.h"
+#include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Service::PCIe {
+
+class ISession final : public ServiceFramework<ISession> {
+public:
+    explicit ISession() : ServiceFramework{"ISession"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "QueryFunctions"},
+            {1, nullptr, "AcquireFunction"},
+            {2, nullptr, "ReleaseFunction"},
+            {3, nullptr, "GetFunctionState"},
+            {4, nullptr, "GetBarProfile"},
+            {5, nullptr, "ReadConfig"},
+            {6, nullptr, "WriteConfig"},
+            {7, nullptr, "ReadBarRegion"},
+            {8, nullptr, "WriteBarRegion"},
+            {9, nullptr, "FindCapability"},
+            {10, nullptr, "FindExtendedCapability"},
+            {11, nullptr, "MapDma"},
+            {12, nullptr, "UnmapDma"},
+            {13, nullptr, "UnmapDmaBusAddress"},
+            {14, nullptr, "GetDmaBusAddress"},
+            {15, nullptr, "GetDmaBusAddressRange"},
+            {16, nullptr, "SetDmaEnable"},
+            {17, nullptr, "AcquireIrq"},
+            {18, nullptr, "ReleaseIrq"},
+            {19, nullptr, "SetIrqEnable"},
+            {20, nullptr, "SetAspmEnable"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+};
+
+class PCIe final : public ServiceFramework<PCIe> {
+public:
+    explicit PCIe() : ServiceFramework{"pcie"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "RegisterClassDriver"},
+            {1, nullptr, "QueryFunctionsUnregistered"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+};
+
+void InstallInterfaces(SM::ServiceManager& sm) {
+    std::make_shared<PCIe>()->InstallAsService(sm);
+}
+
+} // namespace Service::PCIe

src/core/hle/service/pcie/pcie.h

@@ -0,0 +1,15 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::PCIe {
+
+void InstallInterfaces(SM::ServiceManager& sm);
+
+} // namespace Service::PCIe

src/core/hle/service/service.cpp

@@ -44,6 +44,7 @@
 #include "core/hle/service/nim/nim.h"
 #include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
+#include "core/hle/service/pcie/pcie.h"
 #include "core/hle/service/pctl/pctl.h"
 #include "core/hle/service/pm/pm.h"
 #include "core/hle/service/prepo/prepo.h"
@@ -225,6 +226,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm) {
     NIM::InstallInterfaces(*sm);
     NS::InstallInterfaces(*sm);
     Nvidia::InstallInterfaces(*sm);
+    PCIe::InstallInterfaces(*sm);
     PCTL::InstallInterfaces(*sm);
     PlayReport::InstallInterfaces(*sm);
     PM::InstallInterfaces(*sm);