diff options
Diffstat (limited to 'post/cpu/cmpi.c')
-rw-r--r-- | post/cpu/cmpi.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/post/cpu/cmpi.c b/post/cpu/cmpi.c deleted file mode 100644 index e0c2aaff82..0000000000 --- a/post/cpu/cmpi.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * (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: cmpwi, cmplwi - * - * 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_CPU - -extern void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); - -static struct cpu_post_cmpi_s -{ - ulong cmd; - ulong op1; - ushort op2; - ulong cr; - ulong res; -} cpu_post_cmpi_table[] = -{ - { - OP_CMPWI, - 123, - 123, - 2, - 0x02 - }, - { - OP_CMPWI, - 123, - 133, - 3, - 0x08 - }, - { - OP_CMPWI, - 123, - -133, - 4, - 0x04 - }, - { - OP_CMPLWI, - 123, - 123, - 2, - 0x02 - }, - { - OP_CMPLWI, - 123, - -133, - 3, - 0x08 - }, - { - OP_CMPLWI, - 123, - 113, - 4, - 0x04 - }, -}; -static unsigned int cpu_post_cmpi_size = - sizeof (cpu_post_cmpi_table) / sizeof (struct cpu_post_cmpi_s); - -int cpu_post_test_cmpi (void) -{ - int ret = 0; - unsigned int i; - - for (i = 0; i < cpu_post_cmpi_size && ret == 0; i++) - { - struct cpu_post_cmpi_s *test = cpu_post_cmpi_table + i; - unsigned long code[] = - { - ASM_1IC(test->cmd, test->cr, 3, test->op2), - ASM_MFCR(3), - ASM_BLR - }; - ulong res; - - cpu_post_exec_11 (code, & res, test->op1); - - ret = ((res >> (28 - 4 * test->cr)) & 0xe) == test->res ? 0 : -1; - - if (ret != 0) - { - post_log ("Error at cmpi test %d !\n", i); - } - } - - return ret; -} - -#endif -#endif |