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IPC Helpers: Implement MappedBuffer translation helper for new interface

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This commit is contained in:
wwylele 2017-07-14 22:38:35 +03:00
parent 3ecf650bf9
commit cef6b15de4
2 changed files with 26 additions and 7 deletions
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25
src/core/hle/ipc_helpers.h
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@ -121,7 +121,11 @@ public:
[[deprecated]] void PushStaticBuffer(VAddr buffer_vaddr, size_t size, u8 buffer_id);
void PushStaticBuffer(const std::vector<u8>& buffer, u8 buffer_id);
void PushMappedBuffer(VAddr buffer_vaddr, size_t size, MappedBufferPermissions perms);
[[deprecated]] void PushMappedBuffer(VAddr buffer_vaddr, size_t size,
MappedBufferPermissions perms);
/// Pushes an HLE MappedBuffer interface back to unmapped the buffer.
void PushMappedBuffer(const Kernel::MappedBuffer& mapped_buffer);
};
/// Push ///
@ -213,6 +217,11 @@ inline void RequestBuilder::PushMappedBuffer(VAddr buffer_vaddr, size_t size,
Push(buffer_vaddr);
}
inline void RequestBuilder::PushMappedBuffer(const Kernel::MappedBuffer& mapped_buffer) {
Push(mapped_buffer.GenerateDescriptor());
Push(mapped_buffer.GetId());
}
class RequestParser : public RequestHelperBase {
public:
RequestParser(Kernel::HLERequestContext& context, Header desired_header)
@ -333,8 +342,11 @@ public:
* @param[out] buffer_perms If non-null, the pointed value will be set to the permissions of the
* buffer
*/
VAddr PopMappedBuffer(size_t* data_size = nullptr,
MappedBufferPermissions* buffer_perms = nullptr);
[[deprecated]] VAddr PopMappedBuffer(size_t* data_size,
MappedBufferPermissions* buffer_perms = nullptr);
/// Pops a mapped buffer descriptor with its vaddr and resolves it to an HLE interface
Kernel::MappedBuffer& PopMappedBuffer();
/**
* @brief Reads the next normal parameters as a struct, by copying it
@ -497,4 +509,11 @@ inline VAddr RequestParser::PopMappedBuffer(size_t* data_size,
return Pop<VAddr>();
}
inline Kernel::MappedBuffer& RequestParser::PopMappedBuffer() {
u32 mapped_buffer_descriptor = Pop<u32>();
ASSERT_MSG(GetDescriptorType(mapped_buffer_descriptor) == MappedBuffer,
"Tried to pop mapped buffer but the descriptor is not a mapped buffer descriptor");
return context->GetMappedBuffer(Pop<u32>());
}
} // namespace IPC

8
src/core/hle/service/am/am.cpp
View file

@ -520,7 +520,7 @@ void DeleteContents(Service::Interface* self) {
u8 media_type = rp.Pop<u8>();
u64 title_id = rp.Pop<u64>();
u32 content_count = rp.Pop<u32>();
VAddr content_ids_in = rp.PopMappedBuffer();
VAddr content_ids_in = rp.PopMappedBuffer(nullptr);
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(RESULT_SUCCESS);
@ -534,7 +534,7 @@ void GetProgramList(Service::Interface* self) {
u32 count = rp.Pop<u32>();
u8 media_type = rp.Pop<u8>();
VAddr title_ids_output_pointer = rp.PopMappedBuffer();
VAddr title_ids_output_pointer = rp.PopMappedBuffer(nullptr);
if (!Memory::IsValidVirtualAddress(title_ids_output_pointer) || media_type > 2) {
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
@ -679,7 +679,7 @@ void ListDataTitleTicketInfos(Service::Interface* self) {
u32 ticket_count = rp.Pop<u32>();
u64 title_id = rp.Pop<u64>();
u32 start_index = rp.Pop<u32>();
VAddr ticket_info_out = rp.PopMappedBuffer();
VAddr ticket_info_out = rp.PopMappedBuffer(nullptr);
VAddr ticket_info_write = ticket_info_out;
for (u32 i = 0; i < ticket_count; i++) {
@ -754,7 +754,7 @@ void GetTicketList(Service::Interface* self) {
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 9, 2, 2); // 0x00090082
u32 ticket_list_count = rp.Pop<u32>();
u32 ticket_index = rp.Pop<u32>();
VAddr ticket_tids_out = rp.PopMappedBuffer();
VAddr ticket_tids_out = rp.PopMappedBuffer(nullptr);
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
rb.Push(RESULT_SUCCESS);