diff options
Diffstat (limited to 'src/core/hle/kernel/hle_ipc.cpp')
-rw-r--r-- | src/core/hle/kernel/hle_ipc.cpp | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp index ac62a0d5a..73bb6a8be 100644 --- a/src/core/hle/kernel/hle_ipc.cpp +++ b/src/core/hle/kernel/hle_ipc.cpp @@ -81,13 +81,8 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) { for (unsigned i = 0; i < command_header->num_buf_w_descriptors; ++i) { buffer_w_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorABW>()); } - if (command_header->buf_c_descriptor_flags != - IPC::CommandHeader::BufferDescriptorCFlag::Disabled) { - if (command_header->buf_c_descriptor_flags != - IPC::CommandHeader::BufferDescriptorCFlag::OneDescriptor) { - UNIMPLEMENTED(); - } - } + + buffer_c_offset = rp.GetCurrentOffset() + command_header->data_size; // Padding to align to 16 bytes rp.AlignWithPadding(); @@ -117,6 +112,31 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) { ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'O')); } + rp.SetCurrentOffset(buffer_c_offset); + + // For Inline buffers, the response data is written directly to buffer_c_offset + // and in this case we don't have any BufferDescriptorC on the request. + if (command_header->buf_c_descriptor_flags > + IPC::CommandHeader::BufferDescriptorCFlag::InlineDescriptor) { + if (command_header->buf_c_descriptor_flags == + IPC::CommandHeader::BufferDescriptorCFlag::OneDescriptor) { + buffer_c_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorC>()); + } else { + unsigned num_buf_c_descriptors = + static_cast<unsigned>(command_header->buf_c_descriptor_flags.Value()) - 2; + + // This is used to detect possible underflows, in case something is broken + // with the two ifs above and the flags value is == 0 || == 1. + ASSERT(num_buf_c_descriptors < 14); + + for (unsigned i = 0; i < num_buf_c_descriptors; ++i) { + buffer_c_desciptors.push_back(rp.PopRaw<IPC::BufferDescriptorC>()); + } + } + } + + rp.SetCurrentOffset(data_payload_offset); + command = rp.Pop<u32_le>(); rp.Skip(1, false); // The command is actually an u64, but we don't use the high part. } |