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IPC: Add C descriptor support to IpcParsedCommand

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This commit is contained in:
Michael Scire 2018-04-19 06:48:06 -06:00
parent 37bb9a6b7f
commit 07b0732e5e
1 changed files with 5 additions and 0 deletions
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5
nx/include/switch/kernel/ipc.h
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@ -310,6 +310,7 @@ typedef struct {
BufferDirection BufferDirections[IPC_MAX_BUFFERS]; ///< Direction of each buffer. BufferDirection BufferDirections[IPC_MAX_BUFFERS]; ///< Direction of each buffer.
size_t NumStatics; ///< Number of statics in the response. size_t NumStatics; ///< Number of statics in the response.
size_t NumStaticsOut; ///< Number of output statics available in the response.
void* Statics[IPC_MAX_BUFFERS]; ///< Pointers to the statics. void* Statics[IPC_MAX_BUFFERS]; ///< Pointers to the statics.
size_t StaticSizes[IPC_MAX_BUFFERS]; ///< Sizes of the statics. size_t StaticSizes[IPC_MAX_BUFFERS]; ///< Sizes of the statics.
u8 StaticIndices[IPC_MAX_BUFFERS]; ///< Indices of the statics. u8 StaticIndices[IPC_MAX_BUFFERS]; ///< Indices of the statics.
@ -332,6 +333,10 @@ static inline Result ipcParse(IpcParsedCommand* r) {
r->HasPid = false; r->HasPid = false;
r->RawSize = (ctrl1 & 0x1ff) * 4; r->RawSize = (ctrl1 & 0x1ff) * 4;
r->NumHandles = 0; r->NumHandles = 0;
r->NumStaticsOut = (ctrl1 >> 10) & 15;
if (r->NumStaticsOut >> 1) r->NumStaticsOut--; // Value 2 -> Single descriptor
if (r->NumStaticsOut >> 1) r->NumStaticsOut--; // Value 3+ -> (Value - 2) descriptors
if (ctrl1 & 0x80000000) { if (ctrl1 & 0x80000000) {
u32 ctrl2 = *buf++; u32 ctrl2 = *buf++;