From 7656d83df5e1f2d1f71af03341c23691522067b8 Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner Date: Fri, 9 Jun 2017 00:54:08 -0700 Subject: [PATCH] Service/sm: Convert srv: to use IPC helpers --- src/core/hle/service/sm/srv.cpp | 105 +++++++++++++++++--------------- 1 file changed, 56 insertions(+), 49 deletions(-) diff --git a/src/core/hle/service/sm/srv.cpp b/src/core/hle/service/sm/srv.cpp index b8b62b068..74a1256e0 100644 --- a/src/core/hle/service/sm/srv.cpp +++ b/src/core/hle/service/sm/srv.cpp @@ -7,9 +7,11 @@ #include "common/common_types.h" #include "common/logging/log.h" #include "core/hle/ipc.h" +#include "core/hle/ipc_helpers.h" #include "core/hle/kernel/client_port.h" #include "core/hle/kernel/client_session.h" -#include "core/hle/kernel/handle_table.h" +#include "core/hle/kernel/errors.h" +#include "core/hle/kernel/hle_ipc.h" #include "core/hle/kernel/semaphore.h" #include "core/hle/kernel/server_session.h" #include "core/hle/service/sm/sm.h" @@ -30,15 +32,18 @@ constexpr int MAX_PENDING_NOTIFICATIONS = 16; * 1: ResultCode */ void SRV::RegisterClient(Kernel::HLERequestContext& ctx) { - u32* cmd_buff = ctx.CommandBuffer(); + IPC::RequestParser rp(ctx, 0x1, 0, 2); - if (cmd_buff[1] != IPC::CallingPidDesc()) { - cmd_buff[0] = IPC::MakeHeader(0x0, 0x1, 0); // 0x40 - cmd_buff[1] = IPC::ERR_INVALID_BUFFER_DESCRIPTOR.raw; + u32 pid_descriptor = rp.Pop(); + if (pid_descriptor != IPC::CallingPidDesc()) { + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(IPC::ERR_INVALID_BUFFER_DESCRIPTOR); return; } - cmd_buff[0] = IPC::MakeHeader(0x1, 0x1, 0); // 0x10040 - cmd_buff[1] = RESULT_SUCCESS.raw; // No error + u32 caller_pid = rp.Pop(); + + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_WARNING(Service_SRV, "(STUBBED) called"); } @@ -53,15 +58,14 @@ void SRV::RegisterClient(Kernel::HLERequestContext& ctx) { * 3: Handle to semaphore signaled on process notification */ void SRV::EnableNotification(Kernel::HLERequestContext& ctx) { - u32* cmd_buff = ctx.CommandBuffer(); + IPC::RequestParser rp(ctx, 0x2, 0, 0); notification_semaphore = Kernel::Semaphore::Create(0, MAX_PENDING_NOTIFICATIONS, "SRV:Notification").Unwrap(); - cmd_buff[0] = IPC::MakeHeader(0x2, 0x1, 0x2); // 0x20042 - cmd_buff[1] = RESULT_SUCCESS.raw; // No error - cmd_buff[2] = IPC::CopyHandleDesc(1); - cmd_buff[3] = Kernel::g_handle_table.Create(notification_semaphore).MoveFrom(); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 2); + rb.Push(RESULT_SUCCESS); + rb.PushObjects(notification_semaphore); LOG_WARNING(Service_SRV, "(STUBBED) called"); } @@ -77,43 +81,49 @@ void SRV::EnableNotification(Kernel::HLERequestContext& ctx) { * 3: Service handle */ void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) { - ResultCode res = RESULT_SUCCESS; - u32* cmd_buff = ctx.CommandBuffer(); + IPC::RequestParser rp(ctx, 0x5, 4, 0); + auto name_buf = rp.PopRaw>(); + size_t name_len = rp.Pop(); + u32 flags = rp.Pop(); + + bool return_port_on_failure = (flags & 1) == 0; - size_t name_len = cmd_buff[3]; if (name_len > Service::kMaxPortSize) { - cmd_buff[1] = ERR_INVALID_NAME_SIZE.raw; - LOG_ERROR(Service_SRV, "called name_len=0x%X, failed with code=0x%08X", name_len, - cmd_buff[1]); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(ERR_INVALID_NAME_SIZE); + LOG_ERROR(Service_SRV, "called name_len=0x%X -> ERR_INVALID_NAME_SIZE", name_len); return; } - std::string name(reinterpret_cast(&cmd_buff[1]), name_len); - bool return_port_on_failure = (cmd_buff[4] & 1) == 0; + std::string name(name_buf.data(), name_len); // TODO(yuriks): Permission checks go here auto client_port = service_manager->GetServicePort(name); if (client_port.Failed()) { - cmd_buff[1] = client_port.Code().raw; - LOG_ERROR(Service_SRV, "called service=%s, failed with code=0x%08X", name.c_str(), - cmd_buff[1]); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(client_port.Code()); + LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(), + client_port.Code().raw); return; } auto session = client_port.Unwrap()->Connect(); - cmd_buff[1] = session.Code().raw; if (session.Succeeded()) { - cmd_buff[3] = Kernel::g_handle_table.Create(session.MoveFrom()).MoveFrom(); - LOG_DEBUG(Service_SRV, "called service=%s, session handle=0x%08X", name.c_str(), - cmd_buff[3]); + LOG_DEBUG(Service_SRV, "called service=%s -> session=%u", name.c_str(), + (*session)->GetObjectId()); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 2); + rb.Push(session.Code()); + rb.PushObjects(session.MoveFrom()); } else if (session.Code() == Kernel::ERR_MAX_CONNECTIONS_REACHED && return_port_on_failure) { - cmd_buff[1] = ERR_MAX_CONNECTIONS_REACHED.raw; - cmd_buff[3] = Kernel::g_handle_table.Create(client_port.MoveFrom()).MoveFrom(); - LOG_WARNING(Service_SRV, "called service=%s, *port* handle=0x%08X", name.c_str(), - cmd_buff[3]); + LOG_WARNING(Service_SRV, "called service=%s -> ERR_MAX_CONNECTIONS_REACHED, *port*=%u", + name.c_str(), (*client_port)->GetObjectId()); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 2); + rb.Push(ERR_MAX_CONNECTIONS_REACHED); + rb.PushObjects(client_port.MoveFrom()); } else { - LOG_ERROR(Service_SRV, "called service=%s, failed with code=0x%08X", name.c_str(), - cmd_buff[1]); + LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(), session.Code()); + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(session.Code()); } } @@ -127,12 +137,11 @@ void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) { * 1: ResultCode */ void SRV::Subscribe(Kernel::HLERequestContext& ctx) { - u32* cmd_buff = ctx.CommandBuffer(); + IPC::RequestParser rp(ctx, 0x9, 1, 0); + u32 notification_id = rp.Pop(); - u32 notification_id = cmd_buff[1]; - - cmd_buff[0] = IPC::MakeHeader(0x9, 0x1, 0); // 0x90040 - cmd_buff[1] = RESULT_SUCCESS.raw; // No error + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X", notification_id); } @@ -146,12 +155,11 @@ void SRV::Subscribe(Kernel::HLERequestContext& ctx) { * 1: ResultCode */ void SRV::Unsubscribe(Kernel::HLERequestContext& ctx) { - u32* cmd_buff = ctx.CommandBuffer(); + IPC::RequestParser rp(ctx, 0xA, 1, 0); + u32 notification_id = rp.Pop(); - u32 notification_id = cmd_buff[1]; - - cmd_buff[0] = IPC::MakeHeader(0xA, 0x1, 0); // 0xA0040 - cmd_buff[1] = RESULT_SUCCESS.raw; // No error + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X", notification_id); } @@ -166,13 +174,12 @@ void SRV::Unsubscribe(Kernel::HLERequestContext& ctx) { * 1: ResultCode */ void SRV::PublishToSubscriber(Kernel::HLERequestContext& ctx) { - u32* cmd_buff = ctx.CommandBuffer(); + IPC::RequestParser rp(ctx, 0xC, 2, 0); + u32 notification_id = rp.Pop(); + u8 flags = rp.Pop(); - u32 notification_id = cmd_buff[1]; - u8 flags = cmd_buff[2] & 0xFF; - - cmd_buff[0] = IPC::MakeHeader(0xC, 0x1, 0); // 0xC0040 - cmd_buff[1] = RESULT_SUCCESS.raw; // No error + IPC::RequestBuilder rb = rp.MakeBuilder(1, 0); + rb.Push(RESULT_SUCCESS); LOG_WARNING(Service_SRV, "(STUBBED) called, notification_id=0x%X, flags=%u", notification_id, flags); }