From de4e5db3300cc77694ff154cf3e8a3ba9c9eaf78 Mon Sep 17 00:00:00 2001 From: Liam Date: Fri, 24 Feb 2023 12:29:55 -0500 Subject: hid: avoid direct pointer access of transfer memory objects --- src/core/hle/service/hid/hidbus/hidbus_base.cpp | 7 +++---- src/core/hle/service/hid/hidbus/hidbus_base.h | 12 ++++++++---- src/core/hle/service/hid/hidbus/ringcon.cpp | 13 ++++++++----- src/core/hle/service/hid/hidbus/ringcon.h | 3 +-- src/core/hle/service/hid/hidbus/starlink.cpp | 6 +++--- src/core/hle/service/hid/hidbus/starlink.h | 3 +-- src/core/hle/service/hid/hidbus/stubbed.cpp | 7 +++---- src/core/hle/service/hid/hidbus/stubbed.h | 3 +-- 8 files changed, 28 insertions(+), 26 deletions(-) (limited to 'src/core/hle/service/hid/hidbus') diff --git a/src/core/hle/service/hid/hidbus/hidbus_base.cpp b/src/core/hle/service/hid/hidbus/hidbus_base.cpp index b569b3c20..dfd23ec04 100644 --- a/src/core/hle/service/hid/hidbus/hidbus_base.cpp +++ b/src/core/hle/service/hid/hidbus/hidbus_base.cpp @@ -9,8 +9,8 @@ namespace Service::HID { -HidbusBase::HidbusBase(KernelHelpers::ServiceContext& service_context_) - : service_context(service_context_) { +HidbusBase::HidbusBase(Core::System& system_, KernelHelpers::ServiceContext& service_context_) + : system(system_), service_context(service_context_) { send_command_async_event = service_context.CreateEvent("hidbus:SendCommandAsyncEvent"); } HidbusBase::~HidbusBase() = default; @@ -59,8 +59,7 @@ void HidbusBase::DisablePollingMode() { polling_mode_enabled = false; } -void HidbusBase::SetTransferMemoryPointer(u8* t_mem) { - is_transfer_memory_set = true; +void HidbusBase::SetTransferMemoryAddress(VAddr t_mem) { transfer_memory = t_mem; } diff --git a/src/core/hle/service/hid/hidbus/hidbus_base.h b/src/core/hle/service/hid/hidbus/hidbus_base.h index 65e301137..26313264d 100644 --- a/src/core/hle/service/hid/hidbus/hidbus_base.h +++ b/src/core/hle/service/hid/hidbus/hidbus_base.h @@ -8,6 +8,10 @@ #include "common/common_types.h" #include "core/hle/result.h" +namespace Core { +class System; +} + namespace Kernel { class KEvent; class KReadableEvent; @@ -106,7 +110,7 @@ static_assert(sizeof(ButtonOnlyPollingDataAccessor) == 0x2F0, class HidbusBase { public: - explicit HidbusBase(KernelHelpers::ServiceContext& service_context_); + explicit HidbusBase(Core::System& system_, KernelHelpers::ServiceContext& service_context_); virtual ~HidbusBase(); void ActivateDevice(); @@ -134,7 +138,7 @@ public: void DisablePollingMode(); // Called on EnableJoyPollingReceiveMode - void SetTransferMemoryPointer(u8* t_mem); + void SetTransferMemoryAddress(VAddr t_mem); Kernel::KReadableEvent& GetSendCommandAsycEvent() const; @@ -170,9 +174,9 @@ protected: JoyEnableSixAxisDataAccessor enable_sixaxis_data{}; ButtonOnlyPollingDataAccessor button_only_data{}; - u8* transfer_memory{nullptr}; - bool is_transfer_memory_set{}; + VAddr transfer_memory{}; + Core::System& system; Kernel::KEvent* send_command_async_event; KernelHelpers::ServiceContext& service_context; }; diff --git a/src/core/hle/service/hid/hidbus/ringcon.cpp b/src/core/hle/service/hid/hidbus/ringcon.cpp index 35847cbdd..65a2dd521 100644 --- a/src/core/hle/service/hid/hidbus/ringcon.cpp +++ b/src/core/hle/service/hid/hidbus/ringcon.cpp @@ -1,18 +1,20 @@ // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later +#include "core/core.h" #include "core/hid/emulated_controller.h" #include "core/hid/hid_core.h" #include "core/hle/kernel/k_event.h" #include "core/hle/kernel/k_readable_event.h" #include "core/hle/service/hid/hidbus/ringcon.h" +#include "core/memory.h" namespace Service::HID { -RingController::RingController(Core::HID::HIDCore& hid_core_, +RingController::RingController(Core::System& system_, KernelHelpers::ServiceContext& service_context_) - : HidbusBase(service_context_) { - input = hid_core_.GetEmulatedController(Core::HID::NpadIdType::Player1); + : HidbusBase(system_, service_context_) { + input = system.HIDCore().GetEmulatedController(Core::HID::NpadIdType::Player1); } RingController::~RingController() = default; @@ -38,7 +40,7 @@ void RingController::OnUpdate() { return; } - if (!polling_mode_enabled || !is_transfer_memory_set) { + if (!polling_mode_enabled || transfer_memory == 0) { return; } @@ -62,7 +64,8 @@ void RingController::OnUpdate() { curr_entry.polling_data.out_size = sizeof(ringcon_value); std::memcpy(curr_entry.polling_data.data.data(), &ringcon_value, sizeof(ringcon_value)); - std::memcpy(transfer_memory, &enable_sixaxis_data, sizeof(enable_sixaxis_data)); + system.Memory().WriteBlock(transfer_memory, &enable_sixaxis_data, + sizeof(enable_sixaxis_data)); break; } default: diff --git a/src/core/hle/service/hid/hidbus/ringcon.h b/src/core/hle/service/hid/hidbus/ringcon.h index c2fb386b1..f42f3ea41 100644 --- a/src/core/hle/service/hid/hidbus/ringcon.h +++ b/src/core/hle/service/hid/hidbus/ringcon.h @@ -17,8 +17,7 @@ namespace Service::HID { class RingController final : public HidbusBase { public: - explicit RingController(Core::HID::HIDCore& hid_core_, - KernelHelpers::ServiceContext& service_context_); + explicit RingController(Core::System& system_, KernelHelpers::ServiceContext& service_context_); ~RingController() override; void OnInit() override; diff --git a/src/core/hle/service/hid/hidbus/starlink.cpp b/src/core/hle/service/hid/hidbus/starlink.cpp index d0e760314..36573274e 100644 --- a/src/core/hle/service/hid/hidbus/starlink.cpp +++ b/src/core/hle/service/hid/hidbus/starlink.cpp @@ -8,8 +8,8 @@ namespace Service::HID { constexpr u8 DEVICE_ID = 0x28; -Starlink::Starlink(Core::HID::HIDCore& hid_core_, KernelHelpers::ServiceContext& service_context_) - : HidbusBase(service_context_) {} +Starlink::Starlink(Core::System& system_, KernelHelpers::ServiceContext& service_context_) + : HidbusBase(system_, service_context_) {} Starlink::~Starlink() = default; void Starlink::OnInit() { @@ -27,7 +27,7 @@ void Starlink::OnUpdate() { if (!device_enabled) { return; } - if (!polling_mode_enabled || !is_transfer_memory_set) { + if (!polling_mode_enabled || transfer_memory == 0) { return; } diff --git a/src/core/hle/service/hid/hidbus/starlink.h b/src/core/hle/service/hid/hidbus/starlink.h index 07c800e6e..a276aa88f 100644 --- a/src/core/hle/service/hid/hidbus/starlink.h +++ b/src/core/hle/service/hid/hidbus/starlink.h @@ -14,8 +14,7 @@ namespace Service::HID { class Starlink final : public HidbusBase { public: - explicit Starlink(Core::HID::HIDCore& hid_core_, - KernelHelpers::ServiceContext& service_context_); + explicit Starlink(Core::System& system_, KernelHelpers::ServiceContext& service_context_); ~Starlink() override; void OnInit() override; diff --git a/src/core/hle/service/hid/hidbus/stubbed.cpp b/src/core/hle/service/hid/hidbus/stubbed.cpp index 07632c872..8160b7218 100644 --- a/src/core/hle/service/hid/hidbus/stubbed.cpp +++ b/src/core/hle/service/hid/hidbus/stubbed.cpp @@ -8,9 +8,8 @@ namespace Service::HID { constexpr u8 DEVICE_ID = 0xFF; -HidbusStubbed::HidbusStubbed(Core::HID::HIDCore& hid_core_, - KernelHelpers::ServiceContext& service_context_) - : HidbusBase(service_context_) {} +HidbusStubbed::HidbusStubbed(Core::System& system_, KernelHelpers::ServiceContext& service_context_) + : HidbusBase(system_, service_context_) {} HidbusStubbed::~HidbusStubbed() = default; void HidbusStubbed::OnInit() { @@ -28,7 +27,7 @@ void HidbusStubbed::OnUpdate() { if (!device_enabled) { return; } - if (!polling_mode_enabled || !is_transfer_memory_set) { + if (!polling_mode_enabled || transfer_memory == 0) { return; } diff --git a/src/core/hle/service/hid/hidbus/stubbed.h b/src/core/hle/service/hid/hidbus/stubbed.h index 38eaa0ecc..2e58d42fc 100644 --- a/src/core/hle/service/hid/hidbus/stubbed.h +++ b/src/core/hle/service/hid/hidbus/stubbed.h @@ -14,8 +14,7 @@ namespace Service::HID { class HidbusStubbed final : public HidbusBase { public: - explicit HidbusStubbed(Core::HID::HIDCore& hid_core_, - KernelHelpers::ServiceContext& service_context_); + explicit HidbusStubbed(Core::System& system_, KernelHelpers::ServiceContext& service_context_); ~HidbusStubbed() override; void OnInit() override; -- cgit v1.2.3