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141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
#pragma once
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#include <wut.h>
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#include "ios.h"
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#include "mutex.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct IPCBufPoolAttributes IPCBufPoolAttributes;
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typedef struct IPCBufPoolFIFO IPCBufPoolFIFO;
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typedef struct IPCBufPool IPCBufPool;
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/**
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* FIFO queue for IPCBufPool.
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*
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* Functions similar to a ring buffer.
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*/
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struct IPCBufPoolFIFO
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{
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//! The current message index to push to.
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int32_t pushIndex;
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//! The current message index to pop from.
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int32_t popIndex;
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//! The number of messages in the queue.
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int32_t count;
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//! Tracks the total number of messages in the count.
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int32_t maxCount;
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//! Messages in the queue.
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void **messages;
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};
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WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x00, pushIndex);
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WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x04, popIndex);
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WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x08, count);
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WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x0C, maxCount);
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WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x10, messages);
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WUT_CHECK_SIZE(IPCBufPoolFIFO, 0x14);
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/**
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* Attributes returned by IPCBufPoolGetAttributes.
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*/
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struct IPCBufPoolAttributes
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{
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//! Size of a message in the buffer pool.
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uint32_t messageSize;
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//! Size of the buffer pool.
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uint32_t poolSize;
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//! Number of pending messages in the pool fifo.
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uint32_t numMessages;
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};
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WUT_CHECK_OFFSET(IPCBufPoolAttributes, 0x00, messageSize);
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WUT_CHECK_OFFSET(IPCBufPoolAttributes, 0x04, poolSize);
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WUT_CHECK_OFFSET(IPCBufPoolAttributes, 0x08, numMessages);
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WUT_CHECK_SIZE(IPCBufPoolAttributes, 0x0C);
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#define IPC_BUF_POOL_MAGIC 0x0BADF00Du
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/**
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* A simple message buffer pool used for IPC communication.
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*/
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struct IPCBufPool
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{
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//! Magic header always set to IPCBufPool::MagicHeader.
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uint32_t magic;
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//! Pointer to buffer used for this IPCBufPool.
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void *buffer;
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//! Size of buffer.
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uint32_t size;
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uint32_t unk0x0C;
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uint32_t unk0x10;
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//! Message size from IPCBufPoolCreate.
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uint32_t messageSize0x14;
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//! Message size from IPCBufPoolCreate.
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uint32_t messageSize0x18;
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//! Number of messages in the IPCBufPoolFIFO.
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uint32_t messageCount;
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//! Pointer to start of messages.
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void *messages;
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//! Number of bytes used for the message pointers in IPCBufPoolFIFO.
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uint32_t *messageIndexSize;
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//! FIFO queue of messages.
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IPCBufPoolFIFO fifo;
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//! Mutex used to secure access to fifo.
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OSMutex mutex;
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WUT_UNKNOWN_BYTES(0x04);
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};
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WUT_CHECK_OFFSET(IPCBufPool, 0x00, magic);
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WUT_CHECK_OFFSET(IPCBufPool, 0x04, buffer);
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WUT_CHECK_OFFSET(IPCBufPool, 0x08, size);
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WUT_CHECK_OFFSET(IPCBufPool, 0x0C, unk0x0C);
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WUT_CHECK_OFFSET(IPCBufPool, 0x10, unk0x10);
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WUT_CHECK_OFFSET(IPCBufPool, 0x14, messageSize0x14);
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WUT_CHECK_OFFSET(IPCBufPool, 0x18, messageSize0x18);
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WUT_CHECK_OFFSET(IPCBufPool, 0x1C, messageCount);
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WUT_CHECK_OFFSET(IPCBufPool, 0x20, messages);
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WUT_CHECK_OFFSET(IPCBufPool, 0x24, messageIndexSize);
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WUT_CHECK_OFFSET(IPCBufPool, 0x28, fifo);
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WUT_CHECK_OFFSET(IPCBufPool, 0x3C, mutex);
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WUT_CHECK_SIZE(IPCBufPool, 0x6C);
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IPCBufPool *
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IPCBufPoolCreate(void *buffer,
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uint32_t size,
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uint32_t messageSize,
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uint32_t *outNumMessages,
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uint32_t unk0x0c);
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void *
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IPCBufPoolAllocate(IPCBufPool *pool,
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uint32_t size);
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IOSError
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IPCBufPoolFree(IPCBufPool *pool,
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void *message);
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IOSError
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IPCBufPoolGetAttributes(IPCBufPool *pool,
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IPCBufPoolAttributes *attribs);
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#ifdef __cplusplus
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}
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#endif |