[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
#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
    CpuPause ();\r
  }\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
2553c3f3	9	#include <Base.h>\r
46817e4e	10	#include <Library/BaseLib.h>\r
e1f414b6	11	\r
	12	/**\r
	13	Executes an infinite loop.\r
	14	\r
	15	Forces the CPU to execute an infinite loop. A debugger may be used to skip\r
	16	past the loop and the code that follows the loop must execute properly. This\r
	17	implies that the infinite loop must not cause the code that follow it to be\r
	18	optimized away.\r
	19	\r
	20	**/\r
	21	VOID\r
	22	EFIAPI\r
	23	CpuDeadLoop (\r
	24	VOID\r
	25	)\r
	26	{\r
	27	volatile UINTN Index;\r
	28	\r
4bf2a5b0	29	for (Index = 0; Index == 0;) {\r
2f88bd3a	30	CpuPause ();\r
4bf2a5b0	31	}\r
e1f414b6	32	}\r