--- /dev/null
+/** @file\r
+ Base Library CPU functions for Itanium\r
+\r
+ Copyright (c) 2006, Intel Corporation<BR>\r
+ All rights reserved. This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+//void __mfa (void);\r
+\r
+#pragma intrinsic (_enable)\r
+#pragma intrinsic (_disable)\r
+#pragma intrinsic (__break)\r
+#pragma intrinsic (__mfa)\r
+\r
+\r
+/**\r
+ Generates a breakpoint on the CPU.\r
+\r
+ Generates a breakpoint on the CPU. The breakpoint must be implemented such\r
+ that code can resume normal execution after the breakpoint.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+CpuBreakpoint (\r
+ VOID\r
+ )\r
+{\r
+ __break (0);\r
+}\r
+\r
+/**\r
+ Used to serialize load and store operations.\r
+\r
+ All loads and stores that proceed calls to this function are guaranteed to be\r
+ globally visible when this function returns.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+MemoryFence (\r
+ VOID\r
+ )\r
+{\r
+ __mfa ();\r
+}\r
+\r
+/**\r
+ Disables CPU interrupts.\r
+\r
+ Disables CPU interrupts.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+DisableInterrupts (\r
+ VOID\r
+ )\r
+{\r
+ _disable ();\r
+}\r
+\r
+/**\r
+ Enables CPU interrupts.\r
+\r
+ Enables CPU interrupts.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+EnableInterrupts (\r
+ VOID\r
+ )\r
+{\r
+ _enable ();\r
+}\r
+\r
+/**\r
+ Enables CPU interrupts for the smallest window required to capture any\r
+ pending interrupts.\r
+\r
+ Enables CPU interrupts for the smallest window required to capture any\r
+ pending interrupts.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+EnableDisableInterrupts (\r
+ VOID\r
+ )\r
+{\r
+ EnableInterrupts ();\r
+ DisableInterrupts ();\r
+}\r
+\r
+/**\r
+ Places the CPU in a sleep state until an interrupt is received.\r
+\r
+ Places the CPU in a sleep state until an interrupt is received. If interrupts\r
+ are disabled prior to calling this function, then the CPU will be placed in a\r
+ sleep state indefinitely.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+CpuSleep (\r
+ VOID\r
+ )\r
+{\r
+ PalCallStatic (NULL, 29, 0, 0, 0);\r
+}\r