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24 #include <TargetConditionals.h>
26 #if TARGET_OS_OSX || TARGET_OS_DRIVERKIT
29 * This file implements the following functions for the arm64 architecture.
31 * void OSAtomicFifoEnqueue( OSFifoQueueHead *__list, void *__new,
33 * void* OSAtomicFifoDequeue( OSFifoQueueHead *__list, size_t __offset);
38 #include <machine/cpu_capabilities.h>
40 #include "libkern/OSAtomic.h"
41 #include "../OSAtomicFifo.h"
43 typedef void (OSAtomicFifoEnqueue_t
)(OSFifoQueueHead
*, void *, size_t);
44 typedef void *(OSAtomicFifoDequeue_t
)(OSFifoQueueHead
*, size_t);
46 void OSAtomicFifoEnqueue(OSFifoQueueHead
*__list
, void *__new
, size_t __offset
)
48 void *addr
= commpage_pfz_base
;
49 addr
+= _COMM_PAGE_TEXT_ATOMIC_ENQUEUE
;
51 OSAtomicFifoEnqueue_t
*OSAtomicFifoEnqueueInternal
= SIGN_PFZ_FUNCTION_PTR(addr
);
53 return OSAtomicFifoEnqueueInternal(__list
, __new
, __offset
);
56 void * OSAtomicFifoDequeue( OSFifoQueueHead
*__list
, size_t __offset
)
58 void *addr
= commpage_pfz_base
;
59 addr
+= _COMM_PAGE_TEXT_ATOMIC_DEQUEUE
;
61 OSAtomicFifoDequeue_t
*OSAtomicFifoDequeueInternal
= SIGN_PFZ_FUNCTION_PTR(addr
);
63 return OSAtomicFifoDequeueInternal(__list
, __offset
);