mpc5xxrev.c

来自「eCos操作系统源码」· C语言 代码 · 共 75 行

//==========================================================================
//
//        mpc5xxrev.c
//
//        MPC5xx Revision Identification
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
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// the terms of the GNU General Public License as published by the Free
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// 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
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// or inline functions from this file, or you compile this file and link it
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//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     Bob Koninckx
// Contributors:  Bob Koninckx
// Date:          2001-12-11
// Description:   Print MPC5xx revision numbers
//####DESCRIPTIONEND####

#include <cyg/infra/testcase.h>
#include <stdio.h>
#include <cyg/hal/ppc_regs.h>
#include <cyg/hal/hal_io.h>
#include <cyg/infra/diag.h>

int
main( void )
{
    cyg_uint32 pvr, part_mask;

    CYG_TEST_INIT();

    asm volatile ("mfspr %0, 287;": "=r" (pvr));
    diag_printf("Processor PVR:         0x%08x\n", pvr);

    asm volatile ("mfspr %0, 638;": "=r" (part_mask));
    part_mask = (part_mask >> 16);
    diag_printf("Processor IMMR[00:15]: 0x%04x\n", (part_mask & 0xffff));

    diag_printf("\nSee http://www.motorola.com/SPS/RISC/netcomm/ for erratas.\n");
    diag_printf("Look for MPC5xx Versions and Masks in the Publications Library\n");

    CYG_TEST_PASS_FINISH("mpc5xx revision dump");
}
// EOF mpc5xxrev.c