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Merge pull request #188 from bunnei/refactor-buffer-descriptor

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Refactor IPC buffer descriptor interface
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bunnei 2018-02-14 18:31:53 -05:00 • committed by GitHub
commit db873a232c
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11 changed files with 126 additions and 132 deletions
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27
src/core/hle/service/nvdrv/interface.cpp
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@ -15,9 +15,8 @@ namespace Nvidia {
void NVDRV::Open(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NVDRV, "called");
auto buffer = ctx.BufferDescriptorA()[0];
std::string device_name = Memory::ReadCString(buffer.Address(), buffer.Size());
const auto& buffer = ctx.ReadBuffer();
std::string device_name(buffer.begin(), buffer.end());
u32 fd = nvdrv->Open(device_name);
IPC::ResponseBuilder rb{ctx, 4};
@ -33,25 +32,13 @@ void NVDRV::Ioctl(Kernel::HLERequestContext& ctx) {
u32 fd = rp.Pop<u32>();
u32 command = rp.Pop<u32>();
std::vector<u8> 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<u8> input(input_buffer.Size());
std::vector<u8> 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<u8> input(input_buffer.size);
std::vector<u8> 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) {