[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / llsl.S

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2013, ARM. All rights reserved.<BR>\r
#\r
# 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
\r
.text\r
.align 2\r
GCC_ASM_EXPORT(__aeabi_llsl)\r
\r
#\r
#VOID\r
#EFIAPI\r
#__aeabi_llsl (\r
# IN  VOID    *Destination,\r
# IN  VOID    *Source,\r
# IN  UINT32  Size\r
# );\r
#\r
ASM_PFX(__aeabi_llsl):\r
    subs     r3,r2,#0x20\r
    bpl      1f\r
    rsb      r3,r2,#0x20\r
    lsl      r1,r1,r2\r
    orr      r1,r1,r0,lsr r3\r
    lsl      r0,r0,r2\r
    bx       lr\r
1:\r
    lsl      r1,r0,r3\r
    mov      r0,#0\r
    bx       lr\r
Commit	Line	Data
76aee8f4	1	#------------------------------------------------------------------------------\r
	2	#\r
	3	# Copyright (c) 2013, ARM. All rights reserved.<BR>\r
	4	#\r
	5	# This program and the accompanying materials\r
	6	# are licensed and made available under the terms and conditions of the BSD License\r
	7	# which accompanies this distribution. The full text of the license may be found at\r
	8	# http://opensource.org/licenses/bsd-license.php\r
	9	#\r
	10	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	#\r
	13	#------------------------------------------------------------------------------\r
	14	\r
	15	\r
	16	.text\r
	17	.align 2\r
	18	GCC_ASM_EXPORT(__aeabi_llsl)\r
	19	\r
	20	#\r
	21	#VOID\r
	22	#EFIAPI\r
	23	#__aeabi_llsl (\r
	24	# IN VOID *Destination,\r
	25	# IN VOID *Source,\r
	26	# IN UINT32 Size\r
	27	# );\r
	28	#\r
	29	ASM_PFX(__aeabi_llsl):\r
	30	subs r3,r2,#0x20\r
	31	bpl 1f\r
	32	rsb r3,r2,#0x20\r
	33	lsl r1,r1,r2\r
	34	orr r1,r1,r0,lsr r3\r
	35	lsl r0,r0,r2\r
	36	bx lr\r
	37	1:\r
	38	lsl r1,r0,r3\r
	39	mov r0,#0\r
	40	bx lr\r