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-rw-r--r--src/core/hle/kernel/hle_ipc.cpp135
-rw-r--r--src/core/hle/kernel/hle_ipc.h3
2 files changed, 57 insertions, 81 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index d6929d2c0..edb3f8d98 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -55,7 +55,7 @@ void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32
IPC::RequestParser rp(src_cmdbuf);
command_header = rp.PopRaw<IPC::CommandHeader>();
- if (command_header->type == IPC::CommandType::Close) {
+ if (command_header->IsCloseCommand()) {
// Close does not populate the rest of the IPC header
return;
}
@@ -101,37 +101,41 @@ void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32
const auto buffer_c_offset = rp.GetCurrentOffset() + command_header->data_size;
- // Padding to align to 16 bytes
- rp.AlignWithPadding();
-
- if (Session()->IsDomain() && ((command_header->type == IPC::CommandType::Request ||
- command_header->type == IPC::CommandType::RequestWithContext) ||
- !incoming)) {
- // If this is an incoming message, only CommandType "Request" has a domain header
- // All outgoing domain messages have the domain header, if only incoming has it
- if (incoming || domain_message_header) {
- domain_message_header = rp.PopRaw<IPC::DomainMessageHeader>();
- } else {
- if (Session()->IsDomain()) {
- LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!");
+ if (!command_header->IsTipc()) {
+ // Padding to align to 16 bytes
+ rp.AlignWithPadding();
+
+ if (Session()->IsDomain() &&
+ ((command_header->type == IPC::CommandType::Request ||
+ command_header->type == IPC::CommandType::RequestWithContext) ||
+ !incoming)) {
+ // If this is an incoming message, only CommandType "Request" has a domain header
+ // All outgoing domain messages have the domain header, if only incoming has it
+ if (incoming || domain_message_header) {
+ domain_message_header = rp.PopRaw<IPC::DomainMessageHeader>();
+ } else {
+ if (Session()->IsDomain()) {
+ LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!");
+ }
}
}
- }
- data_payload_header = rp.PopRaw<IPC::DataPayloadHeader>();
+ data_payload_header = rp.PopRaw<IPC::DataPayloadHeader>();
- data_payload_offset = rp.GetCurrentOffset();
+ data_payload_offset = rp.GetCurrentOffset();
- if (domain_message_header && domain_message_header->command ==
- IPC::DomainMessageHeader::CommandType::CloseVirtualHandle) {
- // CloseVirtualHandle command does not have SFC* or any data
- return;
- }
+ if (domain_message_header &&
+ domain_message_header->command ==
+ IPC::DomainMessageHeader::CommandType::CloseVirtualHandle) {
+ // CloseVirtualHandle command does not have SFC* or any data
+ return;
+ }
- if (incoming) {
- ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'I'));
- } else {
- ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'O'));
+ if (incoming) {
+ ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'I'));
+ } else {
+ ASSERT(data_payload_header->magic == Common::MakeMagic('S', 'F', 'C', 'O'));
+ }
}
rp.SetCurrentOffset(buffer_c_offset);
@@ -166,84 +170,55 @@ void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32
ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const KHandleTable& handle_table,
u32_le* src_cmdbuf) {
ParseCommandBuffer(handle_table, src_cmdbuf, true);
- if (command_header->type == IPC::CommandType::Close) {
+
+ if (command_header->IsCloseCommand()) {
// Close does not populate the rest of the IPC header
return RESULT_SUCCESS;
}
- // The data_size already includes the payload header, the padding and the domain header.
- std::size_t size = data_payload_offset + command_header->data_size -
- sizeof(IPC::DataPayloadHeader) / sizeof(u32) - 4;
- if (domain_message_header)
- size -= sizeof(IPC::DomainMessageHeader) / sizeof(u32);
- std::copy_n(src_cmdbuf, size, cmd_buf.begin());
+ std::copy_n(src_cmdbuf, IPC::COMMAND_BUFFER_LENGTH, cmd_buf.begin());
+
return RESULT_SUCCESS;
}
ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_thread) {
+ auto current_offset = handles_offset;
auto& owner_process = *requesting_thread.GetOwnerProcess();
auto& handle_table = owner_process.GetHandleTable();
- std::array<u32, IPC::COMMAND_BUFFER_LENGTH> dst_cmdbuf;
- memory.ReadBlock(owner_process, requesting_thread.GetTLSAddress(), dst_cmdbuf.data(),
- dst_cmdbuf.size() * sizeof(u32));
-
- // The header was already built in the internal command buffer. Attempt to parse it to verify
- // the integrity and then copy it over to the target command buffer.
- ParseCommandBuffer(handle_table, cmd_buf.data(), false);
-
- // The data_size already includes the payload header, the padding and the domain header.
- std::size_t size = data_payload_offset + command_header->data_size -
- sizeof(IPC::DataPayloadHeader) / sizeof(u32) - 4;
- if (domain_message_header)
- size -= sizeof(IPC::DomainMessageHeader) / sizeof(u32);
-
- std::copy_n(cmd_buf.begin(), size, dst_cmdbuf.data());
-
- if (command_header->enable_handle_descriptor) {
- ASSERT_MSG(!move_objects.empty() || !copy_objects.empty(),
- "Handle descriptor bit set but no handles to translate");
- // We write the translated handles at a specific offset in the command buffer, this space
- // was already reserved when writing the header.
- std::size_t current_offset =
- (sizeof(IPC::CommandHeader) + sizeof(IPC::HandleDescriptorHeader)) / sizeof(u32);
- ASSERT_MSG(!handle_descriptor_header->send_current_pid, "Sending PID is not implemented");
-
- ASSERT(copy_objects.size() == handle_descriptor_header->num_handles_to_copy);
- ASSERT(move_objects.size() == handle_descriptor_header->num_handles_to_move);
-
- // We don't make a distinction between copy and move handles when translating since HLE
- // services don't deal with handles directly. However, the guest applications might check
- // for specific values in each of these descriptors.
- for (auto& object : copy_objects) {
- ASSERT(object != nullptr);
- R_TRY(handle_table.Add(&dst_cmdbuf[current_offset++], object));
+ for (auto& object : copy_objects) {
+ Handle handle{};
+ if (object) {
+ R_TRY(handle_table.Add(&handle, object));
}
+ cmd_buf[current_offset++] = handle;
+ }
+ for (auto& object : move_objects) {
+ Handle handle{};
+ if (object) {
+ R_TRY(handle_table.Add(&handle, object));
- for (auto& object : move_objects) {
- ASSERT(object != nullptr);
- R_TRY(handle_table.Add(&dst_cmdbuf[current_offset++], object));
+ // Close our reference to the object, as it is being moved to the caller.
+ object->Close();
}
+ cmd_buf[current_offset++] = handle;
}
- // TODO(Subv): Translate the X/A/B/W buffers.
-
- if (Session()->IsDomain() && domain_message_header) {
- ASSERT(domain_message_header->num_objects == domain_objects.size());
- // Write the domain objects to the command buffer, these go after the raw untranslated data.
- // TODO(Subv): This completely ignores C buffers.
- std::size_t domain_offset = size - domain_message_header->num_objects;
+ // Write the domain objects to the command buffer, these go after the raw untranslated data.
+ // TODO(Subv): This completely ignores C buffers.
+ if (Session()->IsDomain()) {
+ current_offset = domain_offset - static_cast<u32>(domain_objects.size());
for (const auto& object : domain_objects) {
server_session->AppendDomainRequestHandler(object);
- dst_cmdbuf[domain_offset++] =
+ cmd_buf[current_offset++] =
static_cast<u32_le>(server_session->NumDomainRequestHandlers());
}
}
// Copy the translated command buffer back into the thread's command buffer area.
- memory.WriteBlock(owner_process, requesting_thread.GetTLSAddress(), dst_cmdbuf.data(),
- dst_cmdbuf.size() * sizeof(u32));
+ memory.WriteBlock(owner_process, requesting_thread.GetTLSAddress(), cmd_buf.data(),
+ cmd_buf.size() * sizeof(u32));
return RESULT_SUCCESS;
}
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index 07360629e..3e66e5542 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -66,7 +66,8 @@ public:
* this request (ServerSession, Originator thread, Translated command buffer, etc).
* @returns ResultCode the result code of the translate operation.
*/
- virtual ResultCode HandleSyncRequest(Kernel::HLERequestContext& context) = 0;
+ virtual ResultCode HandleSyncRequest(Kernel::KServerSession& session,
+ Kernel::HLERequestContext& context) = 0;
/**
* Signals that a client has just connected to this HLE handler and keeps the
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 05:56:04 +0100