From d42e77797e83a6c1ed7291e532041c781881e853 Mon Sep 17 00:00:00 2001 From: bunnei Date: Tue, 13 Feb 2018 22:21:17 -0500 Subject: [PATCH] nvdrv: Use ReadBuffer/WriteBuffer functions for Ioctl. --- src/core/hle/service/nvdrv/interface.cpp | 22 +++++----------------- 1 file changed, 5 insertions(+), 17 deletions(-) diff --git a/src/core/hle/service/nvdrv/interface.cpp b/src/core/hle/service/nvdrv/interface.cpp index 367791da66..13d23291eb 100644 --- a/src/core/hle/service/nvdrv/interface.cpp +++ b/src/core/hle/service/nvdrv/interface.cpp @@ -32,25 +32,13 @@ void NVDRV::Ioctl(Kernel::HLERequestContext& ctx) { u32 fd = rp.Pop(); u32 command = rp.Pop(); + std::vector output(ctx.GetWriteBufferSize()); + IPC::ResponseBuilder rb{ctx, 3}; rb.Push(RESULT_SUCCESS); - if (ctx.BufferDescriptorA()[0].Size() != 0) { - auto input_buffer = ctx.BufferDescriptorA()[0]; - auto output_buffer = ctx.BufferDescriptorB()[0]; - std::vector input(input_buffer.Size()); - std::vector output(output_buffer.Size()); - Memory::ReadBlock(input_buffer.Address(), input.data(), input_buffer.Size()); - rb.Push(nvdrv->Ioctl(fd, command, input, output)); - Memory::WriteBlock(output_buffer.Address(), output.data(), output_buffer.Size()); - } else { - auto input_buffer = ctx.BufferDescriptorX()[0]; - auto output_buffer = ctx.BufferDescriptorC()[0]; - std::vector input(input_buffer.size); - std::vector output(output_buffer.size); - Memory::ReadBlock(input_buffer.Address(), input.data(), input_buffer.size); - rb.Push(nvdrv->Ioctl(fd, command, input, output)); - Memory::WriteBlock(output_buffer.Address(), output.data(), output_buffer.size); - } + rb.Push(nvdrv->Ioctl(fd, command, ctx.ReadBuffer(), output)); + + ctx.WriteBuffer(output); } void NVDRV::Close(Kernel::HLERequestContext& ctx) {