Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing...

[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ipf / CpuBreakpoint.c

diff --git a/OldMdePkg/Library/BaseLib/Ipf/CpuBreakpoint.c b/OldMdePkg/Library/BaseLib/Ipf/CpuBreakpoint.c
new file mode 100644 (file)
index 0000000..49bd06b
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ipf/CpuBreakpoint.c
@@ -0,0 +1,118 @@
+/** @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