[mirror_edk2.git] / ArmPkg / Library / ArmMmuLib / Arm / ArmMmuLibV7Support.asm

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2016, Linaro Limited. All rights reserved.\r
//\r
// SPDX-License-Identifier: BSD-2-Clause-Patent\r
//\r
//------------------------------------------------------------------------------\r
\r
\r
\r
    INCLUDE AsmMacroExport.inc\r
\r
\r
//------------------------------------------------------------------------------\r
\r
 RVCT_ASM_EXPORT ArmHasMpExtensions\r
  mrc     p15,0,R0,c0,c0,5\r
  // Get Multiprocessing extension (bit31)\r
  lsr     R0, R0, #31\r
  bx      LR\r
\r
 RVCT_ASM_EXPORT ArmReadIdMmfr0\r
  mrc    p15, 0, r0, c0, c1, 4     ; Read ID_MMFR0 Register\r
  bx     lr\r
\r
  END\r
Commit	Line	Data
d7f03464 AB	1	//------------------------------------------------------------------------------\r
	2	//\r
	3	// Copyright (c) 2016, Linaro Limited. All rights reserved.\r
	4	//\r
4059386c	5	// SPDX-License-Identifier: BSD-2-Clause-Patent\r
d7f03464 AB	6	//\r
	7	//------------------------------------------------------------------------------\r
	8	\r
	9	\r
	10	\r
	11	INCLUDE AsmMacroExport.inc\r
	12	\r
	13	\r
	14	//------------------------------------------------------------------------------\r
	15	\r
	16	RVCT_ASM_EXPORT ArmHasMpExtensions\r
	17	mrc p15,0,R0,c0,c0,5\r
	18	// Get Multiprocessing extension (bit31)\r
	19	lsr R0, R0, #31\r
	20	bx LR\r
	21	\r
	22	RVCT_ASM_EXPORT ArmReadIdMmfr0\r
	23	mrc p15, 0, r0, c0, c1, 4 ; Read ID_MMFR0 Register\r
	24	bx lr\r
	25	\r
	26	END\r