X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/b0d623f7f2ae71ed96e60569f61f9a9a27016e80..04b8595b18b1b41ac7a206e4b3d51a635f8413d7:/libkern/gen/OSAtomicOperations.c?ds=sidebyside

diff --git a/libkern/gen/OSAtomicOperations.c b/libkern/gen/OSAtomicOperations.c
index aeeb09364..25ff477ff 100644
--- a/libkern/gen/OSAtomicOperations.c
+++ b/libkern/gen/OSAtomicOperations.c
@@ -54,51 +54,11 @@ enum {
  * Like standards, there are a lot of atomic ops to choose from!
  */
 
-#if !defined(__ppc__) && !defined(__i386__) && !defined(__x86_64__)
-/* Implemented in assembly for ppc and i386 and x86_64 */
-#undef OSAddAtomic
-SInt32
-OSAddAtomic(SInt32 amount, volatile SInt32 * value)
-{
-	SInt32 oldValue;
-	SInt32 newValue;
-
-	do {
-		oldValue = *value;
-		newValue = oldValue + amount;
-	} while (!OSCompareAndSwap((UInt32)oldValue,
-				(UInt32)newValue,
-				(volatile UInt32 *) value));
-	return oldValue;
-}
-
-long
-OSAddAtomicLong(long theAmount, volatile long *address)
-{
-#if __LP64__
-#error Unimplemented
+#if defined(__i386__) || defined(__x86_64__)
+/* Implemented in assembly for i386 and x86_64 */
 #else
-	return (long)OSAddAtomic((SInt32)theAmount, address);
+#error Unsupported arch
 #endif
-}
-
-/* Implemented as an assembly alias for i386 and linker alias for ppc */
-#undef OSCompareAndSwapPtr
-Boolean OSCompareAndSwapPtr(void *oldValue, void *newValue,
-			    void * volatile *address)
-{
-#if __LP64__
-  return OSCompareAndSwap64((UInt64)oldValue, (UInt64)newValue,
-			  (volatile UInt64 *)address);
-#else
-  return OSCompareAndSwap((UInt32)oldValue, (UInt32)newValue,
-			  (volatile UInt32 *)address);
-#endif
-}
-#endif
-
-#ifndef __ppc__
-/* Implemented as assembly for ppc */
 
 #undef OSIncrementAtomic
 SInt32	OSIncrementAtomic(volatile SInt32 * value)
@@ -111,7 +71,6 @@ SInt32	OSDecrementAtomic(volatile SInt32 * value)
 {
 	return OSAddAtomic(-1, value);
 }
-#endif	/* !__ppc__ */
 
 static UInt32	OSBitwiseAtomic(UInt32 and_mask, UInt32 or_mask, UInt32 xor_mask, volatile UInt32 * value)
 {
@@ -144,6 +103,7 @@ UInt32	OSBitXorAtomic(UInt32 mask, volatile UInt32 * value)
 	return OSBitwiseAtomic((UInt32) -1, 0, mask, value);
 }
 
+#if defined(__i386__) || defined(__x86_64__)
 static Boolean OSCompareAndSwap8(UInt8 oldValue8, UInt8 newValue8, volatile UInt8 * value8)
 {
 	UInt32				mask		= 0x000000ff;
@@ -162,6 +122,7 @@ static Boolean OSCompareAndSwap8(UInt8 oldValue8, UInt8 newValue8, volatile UInt
 
 	return OSCompareAndSwap(oldValue, newValue, value32);
 }
+#endif
 
 static Boolean	OSTestAndSetClear(UInt32 bit, Boolean wantSet, volatile UInt8 * startAddress)
 {
@@ -207,6 +168,7 @@ SInt8	OSDecrementAtomic8(volatile SInt8 * value)
 	return OSAddAtomic8(-1, value);
 }
 
+#if defined(__i386__) || defined(__x86_64__)
 SInt8	OSAddAtomic8(SInt32 amount, volatile SInt8 * value)
 {
 	SInt8	oldValue;
@@ -219,6 +181,7 @@ SInt8	OSAddAtomic8(SInt32 amount, volatile SInt8 * value)
 	
 	return oldValue;
 }
+#endif
 
 static UInt8	OSBitwiseAtomic8(UInt32 and_mask, UInt32 or_mask, UInt32 xor_mask, volatile UInt8 * value)
 {
@@ -248,6 +211,7 @@ UInt8	OSBitXorAtomic8(UInt32 mask, volatile UInt8 * value)
 	return OSBitwiseAtomic8((UInt32) -1, 0, mask, value);
 }
 
+#if defined(__i386__) || defined(__x86_64__)
 static Boolean OSCompareAndSwap16(UInt16 oldValue16, UInt16 newValue16, volatile UInt16 * value16)
 {
 	UInt32				mask		= 0x0000ffff;
@@ -266,6 +230,7 @@ static Boolean OSCompareAndSwap16(UInt16 oldValue16, UInt16 newValue16, volatile
 
 	return OSCompareAndSwap(oldValue, newValue, value32);
 }
+#endif
 
 SInt16	OSIncrementAtomic16(volatile SInt16 * value)
 {
@@ -277,6 +242,7 @@ SInt16	OSDecrementAtomic16(volatile SInt16 * value)
 	return OSAddAtomic16(-1, value);
 }
 
+#if defined(__i386__) || defined(__x86_64__)
 SInt16	OSAddAtomic16(SInt32 amount, volatile SInt16 * value)
 {
 	SInt16	oldValue;
@@ -289,6 +255,7 @@ SInt16	OSAddAtomic16(SInt32 amount, volatile SInt16 * value)
 	
 	return oldValue;
 }
+#endif
 
 static UInt16	OSBitwiseAtomic16(UInt32 and_mask, UInt32 or_mask, UInt32 xor_mask, volatile UInt16 * value)
 {