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HLE/APT: Always return an error from PrepareToStartNewestHomeMenu so that the Home Menu doesn't try to reboot the system.

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As per 3dbrew:
"During Home Menu start-up it uses APT:PrepareToStartNewestHomeMenu. If that doesn't return an error(normally NS returns 0xC8A0CFFC for that), Home Menu starts a hardware reboot with APT:StartNewestHomeMenu etc. "
This commit is contained in:
Subv 2017-09-23 14:01:04 -05:00
parent b57d58c0dc
commit 7096f01c14
3 changed files with 26 additions and 2 deletions
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14
src/core/hle/service/apt/apt.cpp
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@ -776,6 +776,20 @@ void PrepareToStartLibraryApplet(Service::Interface* self) {
LOG_DEBUG(Service_APT, "called applet_id=%08X", applet_id);
}
void PrepareToStartNewestHomeMenu(Service::Interface* self) {
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x1A, 0, 0); // 0x1A0000
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
// TODO(Subv): This command can only be called by a System Applet (return 0xC8A0CC04 otherwise).
// This command must return an error when called, otherwise the Home Menu will try to reboot the
// system.
rb.Push(ResultCode(ErrorDescription::AlreadyExists, ErrorModule::Applet,
ErrorSummary::InvalidState, ErrorLevel::Status));
LOG_DEBUG(Service_APT, "called");
}
void PreloadLibraryApplet(Service::Interface* self) {
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x16, 1, 0); // 0x160040
AppletId applet_id = static_cast<AppletId>(rp.Pop<u32>());

10
src/core/hle/service/apt/apt.h
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@ -419,6 +419,16 @@ void GetAppCpuTimeLimit(Service::Interface* self);
*/
void PrepareToStartLibraryApplet(Service::Interface* self);
/**
* APT::PrepareToStartNewestHomeMenu service function
* Inputs:
* 0 : Command header [0x001A0000]
* Outputs:
* 0 : Return header
* 1 : Result of function
*/
void PrepareToStartNewestHomeMenu(Service::Interface* self);
/**
* APT::PreloadLibraryApplet service function
* Inputs:

4
src/core/hle/service/apt/apt_s.cpp
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@ -17,7 +17,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x00060040, GetAppletInfo, "GetAppletInfo"},
{0x00070000, nullptr, "GetLastSignaledAppletId"},
{0x00080000, nullptr, "CountRegisteredApplet"},
{0x00090040, nullptr, "IsRegistered"},
{0x00090040, IsRegistered, "IsRegistered"},
{0x000A0040, nullptr, "GetAttribute"},
{0x000B0040, InquireNotification, "InquireNotification"},
{0x000C0104, nullptr, "SendParameter"},
@ -34,7 +34,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x00170040, nullptr, "FinishPreloadingLibraryApplet"},
{0x00180040, PrepareToStartLibraryApplet, "PrepareToStartLibraryApplet"},
{0x00190040, nullptr, "PrepareToStartSystemApplet"},
{0x001A0000, nullptr, "PrepareToStartNewestHomeMenu"},
{0x001A0000, PrepareToStartNewestHomeMenu, "PrepareToStartNewestHomeMenu"},
{0x001B00C4, nullptr, "StartApplication"},
{0x001C0000, nullptr, "WakeupApplication"},
{0x001D0000, nullptr, "CancelApplication"},