/* * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program 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 of * the License, or (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#include <common.h>/* * CPU test * Integer compare instructions:	cmpw, cmplw * * To verify these instructions the test runs them with * different combinations of operands, reads the condition * register value and compares it with the expected one. * The test contains a pre-built table * containing the description of each test case: the instruction, * the values of the operands, the condition field to save * the result in and the expected result. */#ifdef CONFIG_POST#include <post.h>#include "cpu_asm.h"#if CONFIG_POST & CFG_POST_CPUextern void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2);static struct cpu_post_cmp_s{    ulong cmd;    ulong op1;    ulong op2;    ulong cr;    ulong res;} cpu_post_cmp_table[] ={    {	OP_CMPW,	123,	123,	2,	0x02    },    {	OP_CMPW,	123,	133,	3,	0x08    },    {	OP_CMPW,	123,	-133,	4,	0x04    },    {	OP_CMPLW,	123,	123,	2,	0x02    },    {	OP_CMPLW,	123,	-133,	3,	0x08    },    {	OP_CMPLW,	123,	113,	4,	0x04    },};static unsigned int cpu_post_cmp_size =    sizeof (cpu_post_cmp_table) / sizeof (struct cpu_post_cmp_s);int cpu_post_test_cmp (void){    int ret = 0;    unsigned int i;    for (i = 0; i < cpu_post_cmp_size && ret == 0; i++)    {	struct cpu_post_cmp_s *test = cpu_post_cmp_table + i;    	unsigned long code[] =	{	    ASM_2C(test->cmd, test->cr, 3, 4),	    ASM_MFCR(3),	    ASM_BLR	};	ulong res;	cpu_post_exec_12 (code, & res, test->op1, test->op2);	ret = ((res >> (28 - 4 * test->cr)) & 0xe) == test->res ? 0 : -1;	if (ret != 0)	{	    post_log ("Error at cmp test %d !\n", i);	}    }    return ret;}#endif#endif