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#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
# Portions copyright (c) 2011 - 2013, ARM Limited. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#------------------------------------------------------------------------------
.text
.align 5
GCC_ASM_EXPORT(InternalSwitchStackAsm)
GCC_ASM_EXPORT(CpuPause)
#/**
#
# This allows the caller to switch the stack and goes to the new entry point
#
# @param EntryPoint The pointer to the location to enter
# @param Context Parameter to pass in
# @param Context2 Parameter2 to pass in
# @param NewStack New Location of the stack
#
# @return Nothing. Goes to the Entry Point passing in the new parameters
#
#**/
#VOID
#EFIAPI
#InternalSwitchStackAsm (
# SWITCH_STACK_ENTRY_POINT EntryPoint,
# VOID *Context,
# VOID *Context2,
# VOID *NewStack
# );
#
ASM_PFX(InternalSwitchStackAsm):
mov x29, #0
mov x30, x0
mov sp, x3
mov x0, x1
mov x1, x2
ret
#/**
#
# Requests CPU to pause for a short period of time.
#
# Requests CPU to pause for a short period of time. Typically used in MP
# systems to prevent memory starvation while waiting for a spin lock.
#
#**/
#VOID
#EFIAPI
#CpuPause (
# VOID
# )
#
ASM_PFX(CpuPause):
nop
nop
nop
nop
nop
ret
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