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hid: avoid direct pointer access of transfer memory objects

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This commit is contained in:
Liam
2023-02-24 12:29:55 -05:00
parent ca8a804a3c
commit de4e5db330
20 changed files with 91 additions and 69 deletions
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7
src/core/hle/service/hid/hidbus/hidbus_base.cpp
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@@ -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;
}

12
src/core/hle/service/hid/hidbus/hidbus_base.h
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@@ -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;
};

13
src/core/hle/service/hid/hidbus/ringcon.cpp
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@@ -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:

3
src/core/hle/service/hid/hidbus/ringcon.h
View File

@@ -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;

6
src/core/hle/service/hid/hidbus/starlink.cpp
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@@ -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;
}

3
src/core/hle/service/hid/hidbus/starlink.h
View File

@@ -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;

7
src/core/hle/service/hid/hidbus/stubbed.cpp
View File

@@ -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;
}

3
src/core/hle/service/hid/hidbus/stubbed.h
View File

@@ -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;