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 * Ternary instructions instr rA,rS,UIMM
30 * Logic instructions: ori, oris, xori, xoris
32 * The test contains a pre-built table of instructions, operands and
33 * expected results. For each table entry, the test will cyclically use
34 * different sets of operand registers and result registers.
42 #if CONFIG_POST & CFG_POST_CPU
44 extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op);
45 extern ulong cpu_post_makecr (long v);
47 static struct cpu_post_threei_s
53 } cpu_post_threei_table[] =
80 static unsigned int cpu_post_threei_size =
81 sizeof (cpu_post_threei_table) / sizeof (struct cpu_post_threei_s);
83 int cpu_post_test_threei (void)
87 int flag = disable_interrupts();
89 for (i = 0; i < cpu_post_threei_size && ret == 0; i++)
91 struct cpu_post_threei_s *test = cpu_post_threei_table + i;
93 for (reg = 0; reg < 32 && ret == 0; reg++)
95 unsigned int reg0 = (reg + 0) % 32;
96 unsigned int reg1 = (reg + 1) % 32;
97 unsigned int stk = reg < 16 ? 31 : 15;
98 unsigned long code[] =
101 ASM_ADDI(stk, 1, -16),
103 ASM_STW(reg0, stk, 4),
104 ASM_STW(reg1, stk, 0),
105 ASM_LWZ(reg0, stk, 8),
106 ASM_11IX(test->cmd, reg1, reg0, test->op2),
107 ASM_STW(reg1, stk, 8),
108 ASM_LWZ(reg1, stk, 0),
109 ASM_LWZ(reg0, stk, 4),
111 ASM_ADDI(1, stk, 16),
119 cpu_post_exec_21 (code, & cr, & res, test->op1);
121 ret = res == test->res && cr == 0 ? 0 : -1;
125 post_log ("Error at threei test %d !\n", i);