3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * Integer compare instructions: cmpwi, cmplwi
30 * To verify these instructions the test runs them with
31 * different combinations of operands, reads the condition
32 * register value and compares it with the expected one.
33 * The test contains a pre-built table
34 * containing the description of each test case: the instruction,
35 * the values of the operands, the condition field to save
36 * the result in and the expected result.
42 #if CONFIG_POST & CONFIG_SYS_POST_CPU
44 extern void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1);
46 static struct cpu_post_cmpi_s
53 } cpu_post_cmpi_table[] =
98 static unsigned int cpu_post_cmpi_size =
99 sizeof (cpu_post_cmpi_table) / sizeof (struct cpu_post_cmpi_s);
101 int cpu_post_test_cmpi (void)
105 int flag = disable_interrupts();
107 for (i = 0; i < cpu_post_cmpi_size && ret == 0; i++)
109 struct cpu_post_cmpi_s *test = cpu_post_cmpi_table + i;
110 unsigned long code[] =
112 ASM_1IC(test->cmd, test->cr, 3, test->op2),
118 cpu_post_exec_11 (code, & res, test->op1);
120 ret = ((res >> (28 - 4 * test->cr)) & 0xe) == test->res ? 0 : -1;
124 post_log ("Error at cmpi test %d !\n", i);