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hle_ipc: Add error checking to read/write buffer access.
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1 changed files with 42 additions and 8 deletions
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@ -284,13 +284,18 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
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std::vector<u8> HLERequestContext::ReadBuffer(int buffer_index) const {
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std::vector<u8> buffer;
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const bool is_buffer_a{BufferDescriptorA().size() && BufferDescriptorA()[buffer_index].Size()};
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const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
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BufferDescriptorA()[buffer_index].Size()};
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auto& memory = Core::System::GetInstance().Memory();
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if (is_buffer_a) {
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ASSERT_MSG(BufferDescriptorA().size() > buffer_index,
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"BufferDescriptorA invalid buffer_index {}", buffer_index);
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buffer.resize(BufferDescriptorA()[buffer_index].Size());
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memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size());
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} else {
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ASSERT_MSG(BufferDescriptorX().size() > buffer_index,
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"BufferDescriptorX invalid buffer_index {}", buffer_index);
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buffer.resize(BufferDescriptorX()[buffer_index].Size());
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memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size());
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}
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@ -305,7 +310,8 @@ std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
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return 0;
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}
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const bool is_buffer_b{BufferDescriptorB().size() && BufferDescriptorB()[buffer_index].Size()};
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const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
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BufferDescriptorB()[buffer_index].Size()};
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const std::size_t buffer_size{GetWriteBufferSize(buffer_index)};
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if (size > buffer_size) {
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LOG_CRITICAL(Core, "size ({:016X}) is greater than buffer_size ({:016X})", size,
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@ -315,8 +321,16 @@ std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
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auto& memory = Core::System::GetInstance().Memory();
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if (is_buffer_b) {
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ASSERT_MSG(BufferDescriptorB().size() > buffer_index,
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"BufferDescriptorB invalid buffer_index {}", buffer_index);
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ASSERT_MSG(BufferDescriptorB()[buffer_index].Size() >= size,
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"BufferDescriptorB buffer_index {} is not large enough", buffer_index);
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memory.WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size);
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} else {
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ASSERT_MSG(BufferDescriptorC().size() > buffer_index,
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"BufferDescriptorC invalid buffer_index {}", buffer_index);
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ASSERT_MSG(BufferDescriptorC()[buffer_index].Size() >= size,
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"BufferDescriptorC buffer_index {} is not large enough", buffer_index);
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memory.WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size);
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}
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@ -324,15 +338,35 @@ std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
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}
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std::size_t HLERequestContext::GetReadBufferSize(int buffer_index) const {
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const bool is_buffer_a{BufferDescriptorA().size() && BufferDescriptorA()[buffer_index].Size()};
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return is_buffer_a ? BufferDescriptorA()[buffer_index].Size()
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: BufferDescriptorX()[buffer_index].Size();
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const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
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BufferDescriptorA()[buffer_index].Size()};
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if (is_buffer_a) {
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ASSERT_MSG(BufferDescriptorA().size() > buffer_index,
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"BufferDescriptorA invalid buffer_index {}", buffer_index);
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ASSERT_MSG(BufferDescriptorA()[buffer_index].Size() > 0,
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"BufferDescriptorA buffer_index {} is empty", buffer_index);
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return BufferDescriptorA()[buffer_index].Size();
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} else {
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ASSERT_MSG(BufferDescriptorX().size() > buffer_index,
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"BufferDescriptorX invalid buffer_index {}", buffer_index);
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ASSERT_MSG(BufferDescriptorX()[buffer_index].Size() > 0,
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"BufferDescriptorX buffer_index {} is empty", buffer_index);
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return BufferDescriptorX()[buffer_index].Size();
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}
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}
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std::size_t HLERequestContext::GetWriteBufferSize(int buffer_index) const {
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const bool is_buffer_b{BufferDescriptorB().size() && BufferDescriptorB()[buffer_index].Size()};
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return is_buffer_b ? BufferDescriptorB()[buffer_index].Size()
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: BufferDescriptorC()[buffer_index].Size();
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const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
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BufferDescriptorB()[buffer_index].Size()};
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if (is_buffer_b) {
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ASSERT_MSG(BufferDescriptorB().size() > buffer_index,
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"BufferDescriptorB invalid buffer_index {}", buffer_index);
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return BufferDescriptorB()[buffer_index].Size();
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} else {
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ASSERT_MSG(BufferDescriptorC().size() > buffer_index,
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"BufferDescriptorC invalid buffer_index {}", buffer_index);
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return BufferDescriptorC()[buffer_index].Size();
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}
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}
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std::string HLERequestContext::Description() const {
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