Add ARM support

Add C inline assembly files for IA32 and X64 GCC builds.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9113 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney
2009-08-18 21:04:14 +00:00
parent 3c99107841
commit 64698eb841
18 changed files with 4491 additions and 2 deletions

View File

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#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2009, Intel Corporation<BR>
# Portions copyright (c) 2008-2009 Apple Inc.<BR>
# All rights reserved. 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
.p2align 2
.globl ASM_PFX(SetJump)
.globl ASM_PFX(InternalLongJump)
#/**
# Saves the current CPU context that can be restored with a call to LongJump() and returns 0.#
#
# Saves the current CPU context in the buffer specified by JumpBuffer and returns 0. The initial
# call to SetJump() must always return 0. Subsequent calls to LongJump() cause a non-zero
# value to be returned by SetJump().
#
# If JumpBuffer is NULL, then ASSERT().
# For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
#
# @param JumpBuffer A pointer to CPU context buffer.
#
#**/
#
#UINTN
#EFIAPI
#SetJump (
# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer // R0
# );
#
ASM_PFX(SetJump):
mov r3, r13
stmia r0, {r3-r12,r14}
eor r0, r0, r0
bx lr
#/**
# Restores the CPU context that was saved with SetJump().#
#
# Restores the CPU context from the buffer specified by JumpBuffer.
# This function never returns to the caller.
# Instead is resumes execution based on the state of JumpBuffer.
#
# @param JumpBuffer A pointer to CPU context buffer.
# @param Value The value to return when the SetJump() context is restored.
#
#**/
#VOID
#EFIAPI
#InternalLongJump (
# IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, // R0
# IN UINTN Value // R1
# );
#
ASM_PFX(InternalLongJump):
ldmia r0, {r3-r12,r14}
mov r13, r3
mov r0, r1
bx lr
ASM_FUNCTION_REMOVE_IF_UNREFERENCED()