From a8c09cd5e46904441165c4aeaacb5397efdf2173 Mon Sep 17 00:00:00 2001 From: Morph <39850852+Morph1984@users.noreply.github.com> Date: Fri, 12 Mar 2021 10:14:01 -0500 Subject: [PATCH] ILibraryAppletCreator: Implement CreateHandleStorage Used by Monster Hunter Generations Ultimate --- src/core/hle/service/am/am.cpp | 71 ++++++++++++++++++++++++++++++---- src/core/hle/service/am/am.h | 1 + 2 files changed, 65 insertions(+), 7 deletions(-) diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp index 6373d816d..c59054468 100644 --- a/src/core/hle/service/am/am.cpp +++ b/src/core/hle/service/am/am.cpp @@ -1125,7 +1125,7 @@ ILibraryAppletCreator::ILibraryAppletCreator(Core::System& system_) {2, nullptr, "AreAnyLibraryAppletsLeft"}, {10, &ILibraryAppletCreator::CreateStorage, "CreateStorage"}, {11, &ILibraryAppletCreator::CreateTransferMemoryStorage, "CreateTransferMemoryStorage"}, - {12, nullptr, "CreateHandleStorage"}, + {12, &ILibraryAppletCreator::CreateHandleStorage, "CreateHandleStorage"}, }; RegisterHandlers(functions); } @@ -1134,6 +1134,7 @@ ILibraryAppletCreator::~ILibraryAppletCreator() = default; void ILibraryAppletCreator::CreateLibraryApplet(Kernel::HLERequestContext& ctx) { IPC::RequestParser rp{ctx}; + const auto applet_id = rp.PopRaw(); const auto applet_mode = rp.PopRaw(); @@ -1159,9 +1160,18 @@ void ILibraryAppletCreator::CreateLibraryApplet(Kernel::HLERequestContext& ctx) void ILibraryAppletCreator::CreateStorage(Kernel::HLERequestContext& ctx) { IPC::RequestParser rp{ctx}; - const u64 size{rp.Pop()}; + + const s64 size{rp.Pop()}; + LOG_DEBUG(Service_AM, "called, size={}", size); + if (size <= 0) { + LOG_ERROR(Service_AM, "size is less than or equal to 0"); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(RESULT_UNKNOWN); + return; + } + std::vector buffer(size); IPC::ResponseBuilder rb{ctx, 2, 0, 1}; @@ -1170,18 +1180,65 @@ void ILibraryAppletCreator::CreateStorage(Kernel::HLERequestContext& ctx) { } void ILibraryAppletCreator::CreateTransferMemoryStorage(Kernel::HLERequestContext& ctx) { - LOG_DEBUG(Service_AM, "called"); - IPC::RequestParser rp{ctx}; - rp.SetCurrentOffset(3); - const auto handle{rp.Pop()}; + struct Parameters { + u8 permissions; + s64 size; + }; + + const auto parameters{rp.PopRaw()}; + const auto handle{ctx.GetCopyHandle(0)}; + + LOG_DEBUG(Service_AM, "called, permissions={}, size={}, handle={:08X}", parameters.permissions, + parameters.size, handle); + + if (parameters.size <= 0) { + LOG_ERROR(Service_AM, "size is less than or equal to 0"); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(RESULT_UNKNOWN); + return; + } auto transfer_mem = system.CurrentProcess()->GetHandleTable().Get(handle); if (transfer_mem == nullptr) { - LOG_ERROR(Service_AM, "shared_mem is a nullpr for handle={:08X}", handle); + LOG_ERROR(Service_AM, "transfer_mem is a nullptr for handle={:08X}", handle); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(RESULT_UNKNOWN); + return; + } + + const u8* const mem_begin = transfer_mem->GetPointer(); + const u8* const mem_end = mem_begin + transfer_mem->GetSize(); + std::vector memory{mem_begin, mem_end}; + + IPC::ResponseBuilder rb{ctx, 2, 0, 1}; + rb.Push(RESULT_SUCCESS); + rb.PushIpcInterface(system, std::move(memory)); +} + +void ILibraryAppletCreator::CreateHandleStorage(Kernel::HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + + const s64 size{rp.Pop()}; + const auto handle{ctx.GetCopyHandle(0)}; + + LOG_DEBUG(Service_AM, "called, size={}, handle={:08X}", size, handle); + + if (size <= 0) { + LOG_ERROR(Service_AM, "size is less than or equal to 0"); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(RESULT_UNKNOWN); + return; + } + + auto transfer_mem = + system.CurrentProcess()->GetHandleTable().Get(handle); + + if (transfer_mem == nullptr) { + LOG_ERROR(Service_AM, "transfer_mem is a nullptr for handle={:08X}", handle); IPC::ResponseBuilder rb{ctx, 2}; rb.Push(RESULT_UNKNOWN); return; diff --git a/src/core/hle/service/am/am.h b/src/core/hle/service/am/am.h index f6a453ab7..aefbdf0d5 100644 --- a/src/core/hle/service/am/am.h +++ b/src/core/hle/service/am/am.h @@ -254,6 +254,7 @@ private: void CreateLibraryApplet(Kernel::HLERequestContext& ctx); void CreateStorage(Kernel::HLERequestContext& ctx); void CreateTransferMemoryStorage(Kernel::HLERequestContext& ctx); + void CreateHandleStorage(Kernel::HLERequestContext& ctx); }; class IApplicationFunctions final : public ServiceFramework {