From 8baae9d9828eff9bcaf24c5767ed03d05f7e617b Mon Sep 17 00:00:00 2001 From: Lectem Date: Mon, 26 Dec 2016 13:58:50 +0100 Subject: [PATCH] IPC helpers example --- src/core/hle/service/fs/fs_user.cpp | 27 +++++++++-------- src/core/hle/service/service.h | 1 + src/core/hle/service/y2r_u.cpp | 47 +++++++++++++++-------------- 3 files changed, 40 insertions(+), 35 deletions(-) diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp index 337da13878..33b2906998 100644 --- a/src/core/hle/service/fs/fs_user.cpp +++ b/src/core/hle/service/fs/fs_user.cpp @@ -54,15 +54,17 @@ static void Initialize(Service::Interface* self) { * 3 : File handle */ static void OpenFile(Service::Interface* self) { - u32* cmd_buff = Kernel::GetCommandBuffer(); + // The helper should be passed by argument to the function + IPC::RequestParser rp(Kernel::GetCommandBuffer(), {0x080201C2}); + rp.Pop(); // Always 0 ? - ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]); - auto filename_type = static_cast(cmd_buff[4]); - u32 filename_size = cmd_buff[5]; + ArchiveHandle archive_handle = rp.Pop(); + auto filename_type = static_cast(rp.Pop()); + u32 filename_size = rp.Pop(); FileSys::Mode mode; - mode.hex = cmd_buff[6]; - u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes. - u32 filename_ptr = cmd_buff[9]; + mode.hex = rp.Pop(); + u32 attributes = rp.Pop(); // TODO(Link Mauve): do something with those attributes. + VAddr filename_ptr = rp.PopStaticBuffer(); FileSys::Path file_path(filename_type, filename_size, filename_ptr); LOG_DEBUG(Service_FS, "path=%s, mode=%u attrs=%u", file_path.DebugStr().c_str(), mode.hex, @@ -70,16 +72,17 @@ static void OpenFile(Service::Interface* self) { ResultVal> file_res = OpenFileFromArchive(archive_handle, file_path, mode); - cmd_buff[1] = file_res.Code().raw; + IPC::RequestBuilder rb = rp.MakeBuilder(1, 2); + rb.Push(file_res.Code()); if (file_res.Succeeded()) { std::shared_ptr file = *file_res; auto sessions = ServerSession::CreateSessionPair(file->GetName(), file); file->ClientConnected(std::get>(sessions)); - cmd_buff[3] = Kernel::g_handle_table - .Create(std::get>(sessions)) - .MoveFrom(); + rb.PushMoveHandles(Kernel::g_handle_table + .Create(std::get>(sessions)) + .MoveFrom()); } else { - cmd_buff[3] = 0; + rb.PushMoveHandles(0); LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str()); } } diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h index a7ba7688ff..e6a5f1417e 100644 --- a/src/core/hle/service/service.h +++ b/src/core/hle/service/service.h @@ -10,6 +10,7 @@ #include #include "common/common_types.h" #include "core/hle/ipc.h" +#include "core/hle/ipc_helpers.h" #include "core/hle/kernel/client_port.h" #include "core/hle/kernel/thread.h" #include "core/hle/result.h" diff --git a/src/core/hle/service/y2r_u.cpp b/src/core/hle/service/y2r_u.cpp index a20194107e..35eb2b5970 100644 --- a/src/core/hle/service/y2r_u.cpp +++ b/src/core/hle/service/y2r_u.cpp @@ -281,37 +281,39 @@ static void GetTransferEndEvent(Interface* self) { } static void SetSendingY(Interface* self) { - u32* cmd_buff = Kernel::GetCommandBuffer(); + // The helper should be passed by argument to the function + IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x00100102); + conversion.src_Y.address = rp.Pop(); + conversion.src_Y.image_size = rp.Pop(); + conversion.src_Y.transfer_unit = rp.Pop(); + conversion.src_Y.gap = rp.Pop(); + Kernel::Handle src_process_handle = rp.PopHandle(); - conversion.src_Y.address = cmd_buff[1]; - conversion.src_Y.image_size = cmd_buff[2]; - conversion.src_Y.transfer_unit = cmd_buff[3]; - conversion.src_Y.gap = cmd_buff[4]; - - cmd_buff[0] = IPC::MakeHeader(0x10, 1, 0); - cmd_buff[1] = RESULT_SUCCESS.raw; + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, " "src_process_handle=0x%08X", conversion.src_Y.image_size, conversion.src_Y.transfer_unit, conversion.src_Y.gap, - cmd_buff[6]); + src_process_handle); } static void SetSendingU(Interface* self) { - u32* cmd_buff = Kernel::GetCommandBuffer(); + // The helper should be passed by argument to the function + IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x00110102); + conversion.src_U.address = rp.Pop(); + conversion.src_U.image_size = rp.Pop(); + conversion.src_U.transfer_unit = rp.Pop(); + conversion.src_U.gap = rp.Pop(); + Kernel::Handle src_process_handle = rp.PopHandle(); - conversion.src_U.address = cmd_buff[1]; - conversion.src_U.image_size = cmd_buff[2]; - conversion.src_U.transfer_unit = cmd_buff[3]; - conversion.src_U.gap = cmd_buff[4]; - - cmd_buff[0] = IPC::MakeHeader(0x11, 1, 0); - cmd_buff[1] = RESULT_SUCCESS.raw; + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, " "src_process_handle=0x%08X", conversion.src_U.image_size, conversion.src_U.transfer_unit, conversion.src_U.gap, - cmd_buff[6]); + src_process_handle); } static void SetSendingV(Interface* self) { @@ -559,11 +561,10 @@ static void GetAlpha(Interface* self) { } static void SetDitheringWeightParams(Interface* self) { - u32* cmd_buff = Kernel::GetCommandBuffer(); - std::memcpy(&dithering_weight_params, &cmd_buff[1], sizeof(DitheringWeightParams)); - - cmd_buff[0] = IPC::MakeHeader(0x24, 1, 0); - cmd_buff[1] = RESULT_SUCCESS.raw; + IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x24, 8, 0); // 0x240200 + rp.PopRaw(dithering_weight_params); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_DEBUG(Service_Y2R, "called"); }