[mirror_edk2.git] / MdePkg / Library / BaseLib / CpuDeadLoop.c

/** @file\r
  Base Library CPU Functions for all architectures.\r
\r
  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
\r
#include <Base.h>\r
#include <Library/BaseLib.h>\r
\r
/**\r
  Executes an infinite loop.\r
\r
  Forces the CPU to execute an infinite loop. A debugger may be used to skip\r
  past the loop and the code that follows the loop must execute properly. This\r
  implies that the infinite loop must not cause the code that follow it to be\r
  optimized away.\r
\r
**/\r
VOID\r
EFIAPI\r
CpuDeadLoop (\r
  VOID\r
  )\r
{\r
  volatile UINTN  Index;\r
\r
  for (Index = 0; Index == 0;);\r
}\r
Commit	Line	Data
e1f414b6	1	/** @file\r
	2	Base Library CPU Functions for all architectures.\r
	3	\r
bb817c56	4	Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
9344f092	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
e1f414b6	6	\r
	7	**/\r
	8	\r
1efcc4ae	9	\r
f734a10a	10	\r
2553c3f3	11	#include <Base.h>\r
46817e4e	12	#include <Library/BaseLib.h>\r
e1f414b6	13	\r
	14	/**\r
	15	Executes an infinite loop.\r
	16	\r
	17	Forces the CPU to execute an infinite loop. A debugger may be used to skip\r
	18	past the loop and the code that follows the loop must execute properly. This\r
	19	implies that the infinite loop must not cause the code that follow it to be\r
	20	optimized away.\r
	21	\r
	22	**/\r
	23	VOID\r
	24	EFIAPI\r
	25	CpuDeadLoop (\r
	26	VOID\r
	27	)\r
	28	{\r
	29	volatile UINTN Index;\r
	30	\r
9e5acfd5	31	for (Index = 0; Index == 0;);\r
e1f414b6	32	}\r