1 files changed, 90 insertions, 0 deletions
diff --git a/src/core/hle/service/am/storage_accessor.cpp b/src/core/hle/service/am/storage_accessor.cpp
new file mode 100644
index 000000000..a1184b065
--- /dev/null
+++ b/src/core/hle/service/am/storage_accessor.cpp
@@ -0,0 +1,90 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/hle/kernel/k_transfer_memory.h"
+#include "core/hle/service/am/am_results.h"
+#include "core/hle/service/am/library_applet_storage.h"
+#include "core/hle/service/am/storage_accessor.h"
+#include "core/hle/service/ipc_helpers.h"
+
+namespace Service::AM {
+
+IStorageAccessor::IStorageAccessor(Core::System& system_,
+                                   std::shared_ptr<LibraryAppletStorage> impl_)
+    : ServiceFramework{system_, "IStorageAccessor"}, impl{std::move(impl_)} {
+    static const FunctionInfo functions[] = {
+        {0, &IStorageAccessor::GetSize, "GetSize"},
+        {10, &IStorageAccessor::Write, "Write"},
+        {11, &IStorageAccessor::Read, "Read"},
+    };
+
+    RegisterHandlers(functions);
+}
+
+IStorageAccessor::~IStorageAccessor() = default;
+
+void IStorageAccessor::GetSize(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_AM, "called");
+
+    IPC::ResponseBuilder rb{ctx, 4};
+
+    rb.Push(ResultSuccess);
+    rb.Push(impl->GetSize());
+}
+
+void IStorageAccessor::Write(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const s64 offset{rp.Pop<s64>()};
+    const auto data{ctx.ReadBuffer()};
+    LOG_DEBUG(Service_AM, "called, offset={}, size={}", offset, data.size());
+
+    const auto res{impl->Write(offset, data.data(), data.size())};
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(res);
+}
+
+void IStorageAccessor::Read(HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    const s64 offset{rp.Pop<s64>()};
+    std::vector<u8> data(ctx.GetWriteBufferSize());
+
+    LOG_DEBUG(Service_AM, "called, offset={}, size={}", offset, data.size());
+
+    const auto res{impl->Read(offset, data.data(), data.size())};
+
+    ctx.WriteBuffer(data);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(res);
+}
+
+ITransferStorageAccessor::ITransferStorageAccessor(Core::System& system_,
+                                                   std::shared_ptr<LibraryAppletStorage> impl_)
+    : ServiceFramework{system_, "ITransferStorageAccessor"}, impl{std::move(impl_)} {
+    static const FunctionInfo functions[] = {
+        {0, &ITransferStorageAccessor::GetSize, "GetSize"},
+        {1, &ITransferStorageAccessor::GetHandle, "GetHandle"},
+    };
+
+    RegisterHandlers(functions);
+}
+
+ITransferStorageAccessor::~ITransferStorageAccessor() = default;
+
+void ITransferStorageAccessor::GetSize(HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(ResultSuccess);
+    rb.Push(impl->GetSize());
+}
+
+void ITransferStorageAccessor::GetHandle(HLERequestContext& ctx) {
+    IPC::ResponseBuilder rb{ctx, 4, 1};
+    rb.Push(ResultSuccess);
+    rb.Push(impl->GetSize());
+    rb.PushCopyObjects(impl->GetHandle());
+}
+
+} // namespace Service::AM