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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief AArch64 Assembler Support API
*
* This include file attempts to address the problems
* caused by incompatible flavors of assemblers and
* toolsets. It primarily addresses variations in the
* use of leading underscores on symbols and the requirement
* that register names be preceded by a %.
*
*
* NOTE: The spacing in the use of these macros
* is critical to them working as advertised.
*/
/*
* Copyright (C) 2020 On-Line Applications Research Corporation (OAR)
* Written by Kinsey Moore <kinsey.moore@oarcorp.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTEMS_ASM_H
#define _RTEMS_ASM_H
/*
* Indicate we are in an assembly file and get the basic CPU definitions.
*/
#ifndef ASM
#define ASM
#endif
#include <rtems/score/percpu.h>
/**
* @defgroup RTEMSScoreCPUAArch64ASM AArch64 Assembler Support
*
* @ingroup RTEMSScoreCPUAArch64
*
* @brief AArch64 Assembler Support
*/
/**@{**/
/*
* Following must be tailor for a particular flavor of the C compiler.
* They may need to put underscores in front of the symbols.
*/
#define FUNCTION_ENTRY(name) \
.align 8; \
.globl name; \
.type name, %function; \
name:
#define FUNCTION_END(name) \
.size name, . - name
#define DEFINE_FUNCTION_AARCH64(name) \
.align 8 ; .globl name ; name: ; .globl name ## _aarch64 ; name ## _aarch64:
.macro GET_SELF_CPU_CONTROL REG
ldr \REG, =_Per_CPU_Information
.endm
/** @} */
#endif /* _RTEMS_ASM_H */
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