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authorSubv <subv2112@gmail.com>2018-01-07 07:50:55 +0100
committerbunnei <bunneidev@gmail.com>2018-01-07 23:11:47 +0100
commit0368324f7925fe5568072299a0206ec71afee865 (patch)
tree2050e904e2f1933bfadbc96d1a0bc698c39a08ce /src/core/hle/ipc.h
parentIPC: Skip the entire u64 of the command id when receiving an IPC request. (diff)
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Diffstat (limited to 'src/core/hle/ipc.h')
-rw-r--r--src/core/hle/ipc.h129
1 files changed, 17 insertions, 112 deletions
diff --git a/src/core/hle/ipc.h b/src/core/hle/ipc.h
index 4c21f5024..c2f481624 100644
--- a/src/core/hle/ipc.h
+++ b/src/core/hle/ipc.h
@@ -143,120 +143,25 @@ struct DataPayloadHeader {
};
static_assert(sizeof(DataPayloadHeader) == 8, "DataPayloadRequest size is incorrect");
-struct DomainRequestMessageHeader {
+struct DomainMessageHeader {
union {
- BitField<0, 8, u32_le> command;
- BitField<16, 16, u32_le> size;
+ // Used when responding to an IPC request, Server -> Client.
+ struct {
+ u32_le num_objects;
+ INSERT_PADDING_WORDS(3);
+ };
+
+ // Used when performing an IPC request, Client -> Server.
+ struct {
+ union {
+ BitField<0, 8, u32_le> command;
+ BitField<16, 16, u32_le> size;
+ };
+ u32_le object_id;
+ INSERT_PADDING_WORDS(2);
+ };
};
- u32_le object_id;
- INSERT_PADDING_WORDS(2);
-};
-static_assert(sizeof(DomainRequestMessageHeader) == 16, "DomainRequestMessageHeader size is incorrect");
-
-struct DomainResponseMessageHeader {
- u32_le num_objects;
- INSERT_PADDING_WORDS(3);
-};
-static_assert(sizeof(DomainResponseMessageHeader) == 16, "DomainResponseMessageHeader size is incorrect");
-
-enum DescriptorType : u32 {
- // Buffer related desciptors types (mask : 0x0F)
- StaticBuffer = 0x02,
- PXIBuffer = 0x04,
- MappedBuffer = 0x08,
- // Handle related descriptors types (mask : 0x30, but need to check for buffer related
- // descriptors first )
- CopyHandle = 0x00,
- MoveHandle = 0x10,
- CallingPid = 0x20,
-};
-
-constexpr u32 MoveHandleDesc(u32 num_handles = 1) {
- return MoveHandle | ((num_handles - 1) << 26);
-}
-
-constexpr u32 CopyHandleDesc(u32 num_handles = 1) {
- return CopyHandle | ((num_handles - 1) << 26);
-}
-
-constexpr u32 CallingPidDesc() {
- return CallingPid;
-}
-
-constexpr bool IsHandleDescriptor(u32 descriptor) {
- return (descriptor & 0xF) == 0x0;
-}
-
-constexpr u32 HandleNumberFromDesc(u32 handle_descriptor) {
- return (handle_descriptor >> 26) + 1;
-}
-
-union StaticBufferDescInfo {
- u32 raw;
- BitField<0, 4, u32> descriptor_type;
- BitField<10, 4, u32> buffer_id;
- BitField<14, 18, u32> size;
};
-
-inline u32 StaticBufferDesc(size_t size, u8 buffer_id) {
- StaticBufferDescInfo info{};
- info.descriptor_type.Assign(StaticBuffer);
- info.buffer_id.Assign(buffer_id);
- info.size.Assign(static_cast<u32>(size));
- return info.raw;
-}
-
-/**
- * @brief Creates a header describing a buffer to be sent over PXI.
- * @param size Size of the buffer. Max 0x00FFFFFF.
- * @param buffer_id The Id of the buffer. Max 0xF.
- * @param is_read_only true if the buffer is read-only. If false, the buffer is considered to have
- * read-write access.
- * @return The created PXI buffer header.
- *
- * The next value is a phys-address of a table located in the BASE memregion.
- */
-inline u32 PXIBufferDesc(u32 size, unsigned buffer_id, bool is_read_only) {
- u32 type = PXIBuffer;
- if (is_read_only)
- type |= 0x2;
- return type | (size << 8) | ((buffer_id & 0xF) << 4);
-}
-
-enum MappedBufferPermissions : u32 {
- R = 1,
- W = 2,
- RW = R | W,
-};
-
-union MappedBufferDescInfo {
- u32 raw;
- BitField<0, 4, u32> flags;
- BitField<1, 2, MappedBufferPermissions> perms;
- BitField<4, 28, u32> size;
-};
-
-inline u32 MappedBufferDesc(size_t size, MappedBufferPermissions perms) {
- MappedBufferDescInfo info{};
- info.flags.Assign(MappedBuffer);
- info.perms.Assign(perms);
- info.size.Assign(static_cast<u32>(size));
- return info.raw;
-}
-
-inline DescriptorType GetDescriptorType(u32 descriptor) {
- // Note: Those checks must be done in this order
- if (IsHandleDescriptor(descriptor))
- return (DescriptorType)(descriptor & 0x30);
-
- // handle the fact that the following descriptors can have rights
- if (descriptor & MappedBuffer)
- return MappedBuffer;
-
- if (descriptor & PXIBuffer)
- return PXIBuffer;
-
- return StaticBuffer;
-}
+static_assert(sizeof(DomainMessageHeader) == 16, "DomainMessageHeader size is incorrect");
} // namespace IPC