MdePkg/BaseDebugLibNull: Add new APIs for DebugLib

[mirror_edk2.git] / MdePkg / Library / BaseSynchronizationLib / SynchronizationGcc.c

diff --git a/MdePkg/Library/BaseSynchronizationLib/SynchronizationGcc.c b/MdePkg/Library/BaseSynchronizationLib/SynchronizationGcc.c
index 4b8c8e59c88ee2154365061af8a82432f1152346..177739d3dab092d35a087c7a980c0ff01003e975 100644 (file)
--- a/MdePkg/Library/BaseSynchronizationLib/SynchronizationGcc.c
+++ b/MdePkg/Library/BaseSynchronizationLib/SynchronizationGcc.c
@@ -1,7 +1,7 @@
 /** @file\r
   Implementation of synchronization functions.\r
 \r
-  Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
   Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
@@ -16,7 +16,7 @@
 #include "BaseSynchronizationLibInternals.h"\r
 \r
 //\r
-// GCC inline assembly for Read Write Barrier  \r
+// GCC inline assembly for Read Write Barrier\r
 //\r
 #define _ReadWriteBarrier() do { __asm__ __volatile__ ("": : : "memory"); } while(0)\r
 \r
@@ -28,7 +28,7 @@
   optimal spin lock performance.\r
 \r
   This function retrieves the spin lock alignment requirements for optimal\r
-  performance on a given CPU architecture. The spin lock alignment is byte alignment. \r
+  performance on a given CPU architecture. The spin lock alignment is byte alignment.\r
   It must be a power of two and is returned by this function. If there are no alignment\r
   requirements, then 1 must be returned. The spin lock synchronization\r
   functions must function correctly if the spin lock size and alignment values\r
@@ -191,7 +191,7 @@ AcquireSpinLockOrFail (
 {\r
   SPIN_LOCK   LockValue;\r
   VOID        *Result;\r
-  \r
+\r
   ASSERT (SpinLock != NULL);\r
 \r
   LockValue = *SpinLock;\r
@@ -247,8 +247,7 @@ ReleaseSpinLock (
 \r
   Performs an atomic increment of the 32-bit unsigned integer specified by\r
   Value and returns the incremented value. The increment operation must be\r
-  performed using MP safe mechanisms. The state of the return value is not\r
-  guaranteed to be MP safe.\r
+  performed using MP safe mechanisms.\r
 \r
   If Value is NULL, then ASSERT().\r
 \r
@@ -260,7 +259,7 @@ ReleaseSpinLock (
 UINT32\r
 EFIAPI\r
 InterlockedIncrement (\r
-  IN      UINT32                    *Value\r
+  IN      volatile UINT32           *Value\r
   )\r
 {\r
   ASSERT (Value != NULL);\r
@@ -272,8 +271,7 @@ InterlockedIncrement (
 \r
   Performs an atomic decrement of the 32-bit unsigned integer specified by\r
   Value and returns the decremented value. The decrement operation must be\r
-  performed using MP safe mechanisms. The state of the return value is not\r
-  guaranteed to be MP safe.\r
+  performed using MP safe mechanisms.\r
 \r
   If Value is NULL, then ASSERT().\r
 \r
@@ -285,7 +283,7 @@ InterlockedIncrement (
 UINT32\r
 EFIAPI\r
 InterlockedDecrement (\r
-  IN      UINT32                    *Value\r
+  IN      volatile UINT32           *Value\r
   )\r
 {\r
   ASSERT (Value != NULL);\r
@@ -314,7 +312,7 @@ InterlockedDecrement (
 UINT16\r
 EFIAPI\r
 InterlockedCompareExchange16 (\r
-  IN OUT  UINT16                    *Value,\r
+  IN OUT  volatile UINT16           *Value,\r
   IN      UINT16                    CompareValue,\r
   IN      UINT16                    ExchangeValue\r
   )\r
@@ -345,7 +343,7 @@ InterlockedCompareExchange16 (
 UINT32\r
 EFIAPI\r
 InterlockedCompareExchange32 (\r
-  IN OUT  UINT32                    *Value,\r
+  IN OUT  volatile UINT32           *Value,\r
   IN      UINT32                    CompareValue,\r
   IN      UINT32                    ExchangeValue\r
   )\r
@@ -375,7 +373,7 @@ InterlockedCompareExchange32 (
 UINT64\r
 EFIAPI\r
 InterlockedCompareExchange64 (\r
-  IN OUT  UINT64                    *Value,\r
+  IN OUT  volatile UINT64           *Value,\r
   IN      UINT64                    CompareValue,\r
   IN      UINT64                    ExchangeValue\r
   )\r
@@ -405,7 +403,7 @@ InterlockedCompareExchange64 (
 VOID *\r
 EFIAPI\r
 InterlockedCompareExchangePointer (\r
-  IN OUT  VOID                      **Value,\r
+  IN OUT  VOID                      * volatile *Value,\r
   IN      VOID                      *CompareValue,\r
   IN      VOID                      *ExchangeValue\r
   )\r
@@ -417,13 +415,13 @@ InterlockedCompareExchangePointer (
   switch (SizeOfValue) {\r
     case sizeof (UINT32):\r
       return (VOID*)(UINTN)InterlockedCompareExchange32 (\r
-                             (UINT32*)Value,\r
+                             (volatile UINT32 *)Value,\r
                              (UINT32)(UINTN)CompareValue,\r
                              (UINT32)(UINTN)ExchangeValue\r
                              );\r
     case sizeof (UINT64):\r
       return (VOID*)(UINTN)InterlockedCompareExchange64 (\r
-                             (UINT64*)Value,\r
+                             (volatile UINT64 *)Value,\r
                              (UINT64)(UINTN)CompareValue,\r
                              (UINT64)(UINTN)ExchangeValue\r
                              );\r