arch.inc

来自「DVB软件,基于CT216软件的开发源程序.」· INC 代码 · 共 86 行

#ifndef CYGONCE_HAL_ARCH_INC
#define CYGONCE_HAL_ARCH_INC
##=============================================================================
##
##	arch.inc
##
##	sparc assembler header file
##
##=============================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
##
## eCos is free software; you can redistribute it and/or modify it under
## the terms of the GNU General Public License as published by the Free
## Software Foundation; either version 2 or (at your option) any later version.
##
## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
## WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
## for more details.
##
## You should have received a copy of the GNU General Public License along
## with eCos; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
##
## As a special exception, if other files instantiate templates or use macros
## or inline functions from this file, or you compile this file and link it
## with other works to produce a work based on this file, this file does not
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
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## this file might be covered by the GNU General Public License.
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## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
##=============================================================================
#######DESCRIPTIONBEGIN####
##
## Author(s): 	 Gaisler Research (Konrad Eisele<[e-mail]>) 
## Contributors: 
## Date:	
## Purpose:	Architecture definitions.
## Description:	This file contains definitions and macros that are
##              useful for writing assembly code for the sparc CPU family.
## Usage:
##		#include <cyg/hal/arch.inc>
##		...
##		
##
######DESCRIPTIONEND####
##
##=============================================================================

#define SPARC_PSR_ET_MASK   0x00000020   /* bit   5 */
#define SPARC_PSR_PS_MASK   0x00000040   /* bit   6 */
#define SPARC_PSR_S_MASK    0x00000080   /* bit   7 */
#define SPARC_PSR_PIL_MASK  0x00000F00   /* bits  8 - 11 */
#define SPARC_PSR_EF_MASK   0x00001000   /* bit  12 */
#define SPARC_PSR_EC_MASK   0x00002000   /* bit  13 */
#define SPARC_PSR_ICC_MASK  0x00F00000   /* bits 20 - 23 */
#define SPARC_PSR_VER_MASK  0x0F000000   /* bits 24 - 27 */
#define SPARC_PSR_IMPL_MASK 0xF0000000   /* bits 28 - 31 */

#ifdef CYGPKG_HAL_SMP_SUPPORT

#ifndef CYGPKG_HAL_SPARC_LEON3_OPTIONS
#error SMP only supported for Leon3 
#endif
#include <cyg/hal/leon3_arch.inc>

#else
	
	.macro hal_smp_cpu reg
	or	%g0,%g0,\reg
	.endm

#endif				

#endif // ifndef CYGONCE_HAL_ARCH_INC