/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* 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:
*
* This file is based on similar code found in newlib available
* from ftp.cygnus.com. The file which was used had no copyright
* notice. This file is freely distributable as long as the source
* of the file is noted. This file is:
*
* COPYRIGHT (c) 2011
* Anthony Green
*
* COPYRIGHT (c) 1989-1999, 2010.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*
* $Id: asm.h,v 1.9 2010/06/29 00:31:09 joel Exp $
*/
#ifndef _RTEMS_ASM_H
#define _RTEMS_ASM_H
/*
* Indicate we are in an assembly file and get the basic CPU definitions.
*/
#include <rtems/score/moxie.h>
/**
* @defgroup RTEMSScoreCPUMoxieASM Moxie Assembler Support
*
* @ingroup RTEMSScoreCPUMoxie
*
* @brief Moxie Assembler Support
*
* @{
*/
/*
* Recent versions of GNU cpp define variables which indicate the
* need for underscores and percents. If not using GNU cpp or
* the version does not support this, then you will obviously
* have to define these as appropriate.
*/
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__
#endif
#ifndef __REGISTER_PREFIX__
#define __REGISTER_PREFIX__ "$"
#endif
#include <rtems/concat.h>
/* Use the right prefix for global labels. */
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
/* Use the right prefix for registers. */
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
/*
* define macros for all of the registers on this CPU
*
* EXAMPLE: #define d0 REG (d0)
*/
#define fp REG(fp)
#define sp REG(sp)
#define r0 REG(r0)
#define r1 REG(r1)
#define r2 REG(r2)
#define r3 REG(r3)
#define r4 REG(r4)
#define r5 REG(r5)
#define r6 REG(r6)
#define r7 REG(r7)
#define r8 REG(r8)
#define r9 REG(r9)
#define r10 REG(r10)
#define r11 REG(r11)
#define r12 REG(r12)
#define r13 REG(r13)
/*
* Define macros to handle section beginning and ends.
*/
#define BEGIN_CODE_DCL .text
#define END_CODE_DCL
#define BEGIN_DATA_DCL .data
#define END_DATA_DCL
#define BEGIN_CODE asm ( ".text
#define END_CODE ");
#define BEGIN_DATA
#define END_DATA
#define BEGIN_BSS
#define END_BSS
#define END
/*
* Following must be tailor for a particular flavor of the C compiler.
* They may need to put underscores in front of the symbols.
*/
#define PUBLIC(sym) .globl SYM (sym)
#define EXTERN(sym) .globl SYM (sym)
/** @} */
#endif