From 61582efeb976b0852e73b734835d60c73b38f3cf Mon Sep 17 00:00:00 2001 From: Narr the Reg Date: Tue, 19 Apr 2022 15:30:32 -0500 Subject: service: hid: Access shared memory directly --- src/core/hle/service/hid/controllers/keyboard.cpp | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) (limited to 'src/core/hle/service/hid/controllers/keyboard.cpp') diff --git a/src/core/hle/service/hid/controllers/keyboard.cpp b/src/core/hle/service/hid/controllers/keyboard.cpp index 8dc67757b..534a3ff18 100644 --- a/src/core/hle/service/hid/controllers/keyboard.cpp +++ b/src/core/hle/service/hid/controllers/keyboard.cpp @@ -12,8 +12,12 @@ namespace Service::HID { constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3800; -Controller_Keyboard::Controller_Keyboard(Core::HID::HIDCore& hid_core_) +Controller_Keyboard::Controller_Keyboard(Core::HID::HIDCore& hid_core_, u8* raw_shared_memory_) : ControllerBase{hid_core_} { + static_assert(SHARED_MEMORY_OFFSET + sizeof(KeyboardSharedMemory) < shared_memory_size, + "KeyboardSharedMemory is bigger than the shared memory"); + shared_memory = + std::construct_at(reinterpret_cast(raw_shared_memory_ + SHARED_MEMORY_OFFSET)); emulated_devices = hid_core.GetEmulatedDevices(); } @@ -23,16 +27,14 @@ void Controller_Keyboard::OnInit() {} void Controller_Keyboard::OnRelease() {} -void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, - std::size_t size) { +void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing) { if (!IsControllerActivated()) { - keyboard_lifo.buffer_count = 0; - keyboard_lifo.buffer_tail = 0; - std::memcpy(data + SHARED_MEMORY_OFFSET, &keyboard_lifo, sizeof(keyboard_lifo)); + shared_memory->keyboard_lifo.buffer_count = 0; + shared_memory->keyboard_lifo.buffer_tail = 0; return; } - const auto& last_entry = keyboard_lifo.ReadCurrentEntry().state; + const auto& last_entry = shared_memory->keyboard_lifo.ReadCurrentEntry().state; next_state.sampling_number = last_entry.sampling_number + 1; if (Settings::values.keyboard_enabled) { @@ -44,8 +46,7 @@ void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing, next_state.attribute.is_connected.Assign(1); } - keyboard_lifo.WriteNextEntry(next_state); - std::memcpy(data + SHARED_MEMORY_OFFSET, &keyboard_lifo, sizeof(keyboard_lifo)); + shared_memory->keyboard_lifo.WriteNextEntry(next_state); } } // namespace Service::HID -- cgit v1.2.3