hle: kernel: hle_ipc: Fix outgoing IPC response size calculation.

This commit is contained in:
bunnei 2021-05-11 12:27:43 -07:00
parent fc086f93b2
commit 12d569e483
3 changed files with 15 additions and 1 deletions

View File

@ -108,6 +108,7 @@ public:
header.type.Assign(ctx.GetCommandType());
}
ctx.data_size = static_cast<u32>(raw_data_size);
header.data_size.Assign(static_cast<u32>(raw_data_size));
if (num_handles_to_copy || num_handles_to_move) {
header.enable_handle_descriptor.Assign(1);

View File

@ -186,6 +186,18 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_t
auto& owner_process = *requesting_thread.GetOwnerProcess();
auto& handle_table = owner_process.GetHandleTable();
// The data_size already includes the payload header, the padding and the domain header.
std::size_t size{};
if (IsTipc()) {
size = cmd_buf.size();
} else {
size = data_payload_offset + data_size - sizeof(IPC::DataPayloadHeader) / sizeof(u32) - 4;
if (Session()->IsDomain()) {
size -= sizeof(IPC::DomainMessageHeader) / sizeof(u32);
}
}
for (auto& object : copy_objects) {
Handle handle{};
if (object) {
@ -218,7 +230,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_t
// Copy the translated command buffer back into the thread's command buffer area.
memory.WriteBlock(owner_process, requesting_thread.GetTLSAddress(), cmd_buf.data(),
cmd_buf.size() * sizeof(u32));
size * sizeof(u32));
return RESULT_SUCCESS;
}

View File

@ -308,6 +308,7 @@ private:
u32 data_payload_offset{};
u32 handles_offset{};
u32 domain_offset{};
u32 data_size{};
u32_le command{};
std::vector<std::shared_ptr<SessionRequestHandler>> domain_request_handlers;