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Merge pull request #2840 from Subv/apt_parameter

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Services/APT: Corrected the behavior of the Receive/Send/Glance/CancelParameter functions
This commit is contained in:
bunnei 2017-07-27 11:14:27 -04:00 committed by GitHub
commit f15e5522dc
2 changed files with 107 additions and 35 deletions
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136
src/core/hle/service/apt/apt.cpp
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@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <boost/optional.hpp>
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/logging/log.h"
@ -44,7 +45,7 @@ static u8 unknown_ns_state_field;
static ScreencapPostPermission screen_capture_post_permission;
/// Parameter data to be returned in the next call to Glance/ReceiveParameter
static MessageParameter next_parameter;
static boost::optional<MessageParameter> next_parameter;
void SendParameter(const MessageParameter& parameter) {
next_parameter = parameter;
@ -189,8 +190,20 @@ void SendParameter(Service::Interface* self) {
std::shared_ptr<HLE::Applets::Applet> dest_applet =
HLE::Applets::Applet::Get(static_cast<AppletId>(dst_app_id));
LOG_DEBUG(Service_APT,
"called src_app_id=0x%08X, dst_app_id=0x%08X, signal_type=0x%08X,"
"buffer_size=0x%08X, handle=0x%08X, size=0x%08zX, in_param_buffer_ptr=0x%08X",
src_app_id, dst_app_id, signal_type, buffer_size, handle, size, buffer);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
// A new parameter can not be sent if the previous one hasn't been consumed yet
if (next_parameter) {
rb.Push(ResultCode(ErrCodes::ParameterPresent, ErrorModule::Applet,
ErrorSummary::InvalidState, ErrorLevel::Status));
return;
}
if (dest_applet == nullptr) {
LOG_ERROR(Service_APT, "Unknown applet id=0x%08X", dst_app_id);
rb.Push<u32>(-1); // TODO(Subv): Find the right error code
@ -206,11 +219,6 @@ void SendParameter(Service::Interface* self) {
Memory::ReadBlock(buffer, param.buffer.data(), param.buffer.size());
rb.Push(dest_applet->ReceiveParameter(param));
LOG_WARNING(Service_APT,
"(STUBBED) called src_app_id=0x%08X, dst_app_id=0x%08X, signal_type=0x%08X,"
"buffer_size=0x%08X, handle=0x%08X, size=0x%08zX, in_param_buffer_ptr=0x%08X",
src_app_id, dst_app_id, signal_type, buffer_size, handle, size, buffer);
}
void ReceiveParameter(Service::Interface* self) {
@ -226,21 +234,40 @@ void ReceiveParameter(Service::Interface* self) {
"buffer_size is bigger than the size in the buffer descriptor (0x%08X > 0x%08zX)",
buffer_size, static_buff_size);
LOG_DEBUG(Service_APT, "called app_id=0x%08X, buffer_size=0x%08zX", app_id, buffer_size);
if (!next_parameter) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::Applet,
ErrorSummary::InvalidState, ErrorLevel::Status));
return;
}
if (next_parameter->destination_id != app_id) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ResultCode(ErrorDescription::NotFound, ErrorModule::Applet, ErrorSummary::NotFound,
ErrorLevel::Status));
return;
}
IPC::RequestBuilder rb = rp.MakeBuilder(4, 4);
rb.Push(RESULT_SUCCESS); // No error
rb.Push(next_parameter.sender_id);
rb.Push(next_parameter.signal); // Signal type
ASSERT_MSG(next_parameter.buffer.size() <= buffer_size, "Input static buffer is too small !");
rb.Push(static_cast<u32>(next_parameter.buffer.size())); // Parameter buffer size
rb.Push(next_parameter->sender_id);
rb.Push(next_parameter->signal); // Signal type
ASSERT_MSG(next_parameter->buffer.size() <= buffer_size, "Input static buffer is too small !");
rb.Push(static_cast<u32>(next_parameter->buffer.size())); // Parameter buffer size
rb.PushMoveHandles((next_parameter.object != nullptr)
? Kernel::g_handle_table.Create(next_parameter.object).Unwrap()
rb.PushMoveHandles((next_parameter->object != nullptr)
? Kernel::g_handle_table.Create(next_parameter->object).Unwrap()
: 0);
rb.PushStaticBuffer(buffer, static_cast<u32>(next_parameter.buffer.size()), 0);
Memory::WriteBlock(buffer, next_parameter.buffer.data(), next_parameter.buffer.size());
rb.PushStaticBuffer(buffer, static_cast<u32>(next_parameter->buffer.size()), 0);
LOG_WARNING(Service_APT, "called app_id=0x%08X, buffer_size=0x%08zX", app_id, buffer_size);
Memory::WriteBlock(buffer, next_parameter->buffer.data(), next_parameter->buffer.size());
// Clear the parameter
next_parameter = boost::none;
}
void GlanceParameter(Service::Interface* self) {
@ -256,37 +283,74 @@ void GlanceParameter(Service::Interface* self) {
"buffer_size is bigger than the size in the buffer descriptor (0x%08X > 0x%08zX)",
buffer_size, static_buff_size);
LOG_DEBUG(Service_APT, "called app_id=0x%08X, buffer_size=0x%08zX", app_id, buffer_size);
if (!next_parameter) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ResultCode(ErrorDescription::NoData, ErrorModule::Applet,
ErrorSummary::InvalidState, ErrorLevel::Status));
return;
}
if (next_parameter->destination_id != app_id) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(ResultCode(ErrorDescription::NotFound, ErrorModule::Applet, ErrorSummary::NotFound,
ErrorLevel::Status));
return;
}
IPC::RequestBuilder rb = rp.MakeBuilder(4, 4);
rb.Push(RESULT_SUCCESS); // No error
rb.Push(next_parameter.sender_id);
rb.Push(next_parameter.signal); // Signal type
ASSERT_MSG(next_parameter.buffer.size() <= buffer_size, "Input static buffer is too small !");
rb.Push(static_cast<u32>(next_parameter.buffer.size())); // Parameter buffer size
rb.Push(next_parameter->sender_id);
rb.Push(next_parameter->signal); // Signal type
ASSERT_MSG(next_parameter->buffer.size() <= buffer_size, "Input static buffer is too small !");
rb.Push(static_cast<u32>(next_parameter->buffer.size())); // Parameter buffer size
rb.PushCopyHandles((next_parameter.object != nullptr)
? Kernel::g_handle_table.Create(next_parameter.object).Unwrap()
rb.PushMoveHandles((next_parameter->object != nullptr)
? Kernel::g_handle_table.Create(next_parameter->object).Unwrap()
: 0);
rb.PushStaticBuffer(buffer, static_cast<u32>(next_parameter.buffer.size()), 0);
Memory::WriteBlock(buffer, next_parameter.buffer.data(), next_parameter.buffer.size());
rb.PushStaticBuffer(buffer, static_cast<u32>(next_parameter->buffer.size()), 0);
LOG_WARNING(Service_APT, "called app_id=0x%08X, buffer_size=0x%08zX", app_id, buffer_size);
Memory::WriteBlock(buffer, next_parameter->buffer.data(), next_parameter->buffer.size());
// Note: The NS module always clears the DSPSleep and DSPWakeup signals even in GlanceParameter.
if (next_parameter->signal == static_cast<u32>(SignalType::DspSleep) ||
next_parameter->signal == static_cast<u32>(SignalType::DspWakeup))
next_parameter = boost::none;
}
void CancelParameter(Service::Interface* self) {
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0xF, 4, 0); // 0xF0100
u32 check_sender = rp.Pop<u32>();
bool check_sender = rp.Pop<bool>();
u32 sender_appid = rp.Pop<u32>();
u32 check_receiver = rp.Pop<u32>();
bool check_receiver = rp.Pop<bool>();
u32 receiver_appid = rp.Pop<u32>();
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
rb.Push(RESULT_SUCCESS); // No error
rb.Push(true); // Set to Success
LOG_WARNING(Service_APT, "(STUBBED) called check_sender=0x%08X, sender_appid=0x%08X, "
"check_receiver=0x%08X, receiver_appid=0x%08X",
check_sender, sender_appid, check_receiver, receiver_appid);
bool cancellation_success = true;
if (!next_parameter) {
cancellation_success = false;
} else {
if (check_sender && next_parameter->sender_id != sender_appid)
cancellation_success = false;
if (check_receiver && next_parameter->destination_id != receiver_appid)
cancellation_success = false;
}
if (cancellation_success)
next_parameter = boost::none;
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
rb.Push(RESULT_SUCCESS); // No error
rb.Push(cancellation_success);
LOG_DEBUG(Service_APT, "called check_sender=%u, sender_appid=0x%08X, "
"check_receiver=%u, receiver_appid=0x%08X",
check_sender, sender_appid, check_receiver, receiver_appid);
}
void PrepareToStartApplication(Service::Interface* self) {
@ -800,8 +864,10 @@ void Init() {
notification_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "APT_U:Notification");
parameter_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "APT_U:Start");
next_parameter.signal = static_cast<u32>(SignalType::Wakeup);
next_parameter.destination_id = 0x300;
// Initialize the parameter to wake up the application.
next_parameter.emplace();
next_parameter->signal = static_cast<u32>(SignalType::Wakeup);
next_parameter->destination_id = static_cast<u32>(AppletId::Application);
}
void Shutdown() {
@ -812,7 +878,7 @@ void Shutdown() {
notification_event = nullptr;
parameter_event = nullptr;
next_parameter.object = nullptr;
next_parameter = boost::none;
HLE::Applets::Shutdown();
}

6
src/core/hle/service/apt/apt.h
View File

@ -116,6 +116,12 @@ enum class ScreencapPostPermission : u32 {
DisableScreenshotPostingToMiiverse = 3
};
namespace ErrCodes {
enum {
ParameterPresent = 2,
};
}
/// Send a parameter to the currently-running application, which will read it via ReceiveParameter
void SendParameter(const MessageParameter& parameter);