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Merge pull request #1860 from lioncash/event

kernel/svc: Implement svcCreateEvent and svcSignalEvent
This commit is contained in:
bunnei 2018-12-04 18:27:54 -05:00 committed by GitHub
commit 5ca586596d
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2 changed files with 58 additions and 3 deletions

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@ -35,7 +35,6 @@
#include "core/hle/lock.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
#include "core/settings.h"
namespace Kernel {
namespace {
@ -1598,6 +1597,34 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss
return RESULT_SUCCESS;
}
static ResultCode CreateEvent(Handle* write_handle, Handle* read_handle) {
LOG_DEBUG(Kernel_SVC, "called");
auto& kernel = Core::System::GetInstance().Kernel();
const auto [readable_event, writable_event] =
WritableEvent::CreateEventPair(kernel, ResetType::Sticky, "CreateEvent");
HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable();
const auto write_create_result = handle_table.Create(writable_event);
if (write_create_result.Failed()) {
return write_create_result.Code();
}
*write_handle = *write_create_result;
const auto read_create_result = handle_table.Create(readable_event);
if (read_create_result.Failed()) {
handle_table.Close(*write_create_result);
return read_create_result.Code();
}
*read_handle = *read_create_result;
LOG_DEBUG(Kernel_SVC,
"successful. Writable event handle=0x{:08X}, Readable event handle=0x{:08X}",
*write_create_result, *read_create_result);
return RESULT_SUCCESS;
}
static ResultCode ClearEvent(Handle handle) {
LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle);
@ -1619,6 +1646,21 @@ static ResultCode ClearEvent(Handle handle) {
return ERR_INVALID_HANDLE;
}
static ResultCode SignalEvent(Handle handle) {
LOG_DEBUG(Kernel_SVC, "called. Handle=0x{:08X}", handle);
HandleTable& handle_table = Core::CurrentProcess()->GetHandleTable();
auto writable_event = handle_table.Get<WritableEvent>(handle);
if (!writable_event) {
LOG_ERROR(Kernel_SVC, "Non-existent writable event handle used (0x{:08X})", handle);
return ERR_INVALID_HANDLE;
}
writable_event->Signal();
return RESULT_SUCCESS;
}
static ResultCode GetProcessInfo(u64* out, Handle process_handle, u32 type) {
LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, type);
@ -1754,7 +1796,7 @@ static const FunctionDef SVC_Table[] = {
{0x0E, SvcWrap<GetThreadCoreMask>, "GetThreadCoreMask"},
{0x0F, SvcWrap<SetThreadCoreMask>, "SetThreadCoreMask"},
{0x10, SvcWrap<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"},
{0x11, nullptr, "SignalEvent"},
{0x11, SvcWrap<SignalEvent>, "SignalEvent"},
{0x12, SvcWrap<ClearEvent>, "ClearEvent"},
{0x13, SvcWrap<MapSharedMemory>, "MapSharedMemory"},
{0x14, SvcWrap<UnmapSharedMemory>, "UnmapSharedMemory"},
@ -1806,7 +1848,7 @@ static const FunctionDef SVC_Table[] = {
{0x42, nullptr, "ReplyAndReceiveLight"},
{0x43, nullptr, "ReplyAndReceive"},
{0x44, nullptr, "ReplyAndReceiveWithUserBuffer"},
{0x45, nullptr, "CreateEvent"},
{0x45, SvcWrap<CreateEvent>, "CreateEvent"},
{0x46, nullptr, "Unknown"},
{0x47, nullptr, "Unknown"},
{0x48, nullptr, "MapPhysicalMemoryUnsafe"},

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@ -59,6 +59,19 @@ void SvcWrap() {
FuncReturn(retval);
}
template <ResultCode func(u32*, u32*)>
void SvcWrap() {
u32 param_1 = 0;
u32 param_2 = 0;
const u32 retval = func(&param_1, &param_2).raw;
auto& arm_interface = Core::CurrentArmInterface();
arm_interface.SetReg(1, param_1);
arm_interface.SetReg(2, param_2);
FuncReturn(retval);
}
template <ResultCode func(u32*, u64)>
void SvcWrap() {
u32 param_1 = 0;