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This commit is contained in:
wdenk 2002-09-12 22:01:13 +00:00
parent da27dcf008
commit a46d821fc8
13 changed files with 2028 additions and 0 deletions
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69
common/cmd_diag.c Normal file
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/*
* (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
*/
/*
* Diagnostics support
*/
#include <common.h>
#include <command.h>
#include <cmd_diag.h>
#include <post.h>
#if (CONFIG_COMMANDS & CFG_CMD_DIAG) && defined(CONFIG_POST)
int do_diag (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
unsigned int i;
if (argc == 1 || strcmp (argv[1], "run") != 0) {
/* List test info */
if (argc == 1) {
printf ("Available hardware tests:\n");
post_info (NULL);
printf ("Use 'diag [<test1> [<test2> ...]]'"
" to get more info.\n");
printf ("Use 'diag run [<test1> [<test2> ...]]'"
" to run tests.\n");
} else {
for (i = 1; i < argc; i++) {
if (post_info (argv[i]) != 0)
printf ("%s - no such test\n", argv[i]);
}
}
} else {
/* Run tests */
if (argc == 2) {
post_run (NULL, POST_RAM | POST_MANUAL);
} else {
for (i = 2; i < argc; i++) {
if (post_run (argv[i], POST_RAM | POST_MANUAL) != 0)
printf ("%s - unable to execute the test\n",
argv[i]);
}
}
}
return 0;
}
#endif /* CFG_CMD_DIAG */

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/*
* (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
*/
/*
* Diagnostics support
*/
#ifndef _CMD_DIAG_H
#define _CMD_DIAG_H
#include <common.h>
#if (CONFIG_COMMANDS & CFG_CMD_DIAG) && defined(CONFIG_POST)
#define CMD_TBL_DIAG MK_CMD_TBL_ENTRY( \
"diag", 4, CFG_MAXARGS, 0, do_diag, \
"diag - perform board diagnostics\n", \
" - print list of available tests\n" \
"diag [test1 [test2]]\n" \
" - print information about specified tests\n" \
"diag run - run all available tests\n" \
"diag run [test1 [test2]]\n" \
" - run specified tests\n" \
),
int do_diag (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#else
#define CMD_TBL_DIAG
#endif /* CFG_CMD_DIAG */
#endif /* _CMD_DIAG_H */

123
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/*
* (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
* Logic instructions: andi., andis.
*
* The test contains a pre-built table of instructions, operands and
* expected results. For each table entry, the test will cyclically use
* different sets of operand registers and result registers.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op);
extern ulong cpu_post_makecr (long v);
static struct cpu_post_andi_s
{
ulong cmd;
ulong op1;
ushort op2;
ulong res;
} cpu_post_andi_table[] =
{
{
OP_ANDI_,
0x80008000,
0xffff,
0x00008000
},
{
OP_ANDIS_,
0x80008000,
0xffff,
0x80000000
},
};
static unsigned int cpu_post_andi_size =
sizeof (cpu_post_andi_table) / sizeof (struct cpu_post_andi_s);
int cpu_post_test_andi (void)
{
int ret = 0;
unsigned int i, reg;
int flag = disable_interrupts();
for (i = 0; i < cpu_post_andi_size && ret == 0; i++)
{
struct cpu_post_andi_s *test = cpu_post_andi_table + i;
for (reg = 0; reg < 32 && ret == 0; reg++)
{
unsigned int reg0 = (reg + 0) % 32;
unsigned int reg1 = (reg + 1) % 32;
unsigned int stk = reg < 16 ? 31 : 15;
unsigned long codecr[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -16),
ASM_STW(3, stk, 8),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg0, stk, 8),
ASM_11IX(test->cmd, reg1, reg0, test->op2),
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 16),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
ulong res;
ulong cr;
cpu_post_exec_21 (codecr, & cr, & res, test->op1);
ret = res == test->res &&
(cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
if (ret != 0)
{
post_log ("Error at andi test %d !\n", i);
}
}
}
if (flag)
enable_interrupts();
return ret;
}
#endif
#endif

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/*
* Copyright (C) 2002 Wolfgang Denk <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 <config.h>
#ifdef CONFIG_POST
#include <post.h>
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#if CONFIG_POST & CFG_POST_CPU
/* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */
.global cpu_post_exec_02
cpu_post_exec_02:
mflr r0
stwu r0, -4(r1)
subi r1, r1, 104
stmw r6, 0(r1)
mtlr r3
mr r3, r4
mr r4, r5
blrl
lmw r6, 0(r1)
addi r1, r1, 104
lwz r0, 0(r1)
addi r1, r1, 4
mtlr r0
blr
/* void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3, ulong op4); */
.global cpu_post_exec_04
cpu_post_exec_04:
mflr r0
stwu r0, -4(r1)
subi r1, r1, 96
stmw r8, 0(r1)
mtlr r3
mr r3, r4
mr r4, r5
mr r5, r6
mtxer r7
blrl
lmw r8, 0(r1)
addi r1, r1, 96
lwz r0, 0(r1)
addi r1, r1, 4
mtlr r0
blr
/* void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2); */
.global cpu_post_exec_12
cpu_post_exec_12:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
mtlr r3
mr r3, r5
mr r4, r6
blrl
lwz r4, 0(r1)
stw r3, 0(r4)
lwz r0, 4(r1)
addi r1, r1, 8
mtlr r0
blr
/* void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); */
.global cpu_post_exec_11
cpu_post_exec_11:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
mtlr r3
mr r3, r5
blrl
lwz r4, 0(r1)
stw r3, 0(r4)
lwz r0, 4(r1)
addi r1, r1, 8
mtlr r0
blr
/* void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1); */
.global cpu_post_exec_21
cpu_post_exec_21:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
stwu r5, -4(r1)
li r0, 0
mtxer r0
lwz r0, 0(r4)
mtcr r0
mtlr r3
mr r3, r6
blrl
mfcr r0
lwz r4, 4(r1)
stw r0, 0(r4)
lwz r4, 0(r1)
stw r3, 0(r4)
lwz r0, 8(r1)
addi r1, r1, 12
mtlr r0
blr
/* void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
ulong op2); */
.global cpu_post_exec_22
cpu_post_exec_22:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
stwu r5, -4(r1)
li r0, 0
mtxer r0
lwz r0, 0(r4)
mtcr r0
mtlr r3
mr r3, r6
mr r4, r7
blrl
mfcr r0
lwz r4, 4(r1)
stw r0, 0(r4)
lwz r4, 0(r1)
stw r3, 0(r4)
lwz r0, 8(r1)
addi r1, r1, 12
mtlr r0
blr
/* void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3); */
.global cpu_post_exec_12w
cpu_post_exec_12w:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
mtlr r3
lwz r3, 0(r4)
mr r4, r5
mr r5, r6
blrl
lwz r4, 0(r1)
stw r3, 0(r4)
lwz r0, 4(r1)
addi r1, r1, 8
mtlr r0
blr
/* void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2); */
.global cpu_post_exec_11w
cpu_post_exec_11w:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
mtlr r3
lwz r3, 0(r4)
mr r4, r5
blrl
lwz r4, 0(r1)
stw r3, 0(r4)
lwz r0, 4(r1)
addi r1, r1, 8
mtlr r0
blr
/* void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3); */
.global cpu_post_exec_22w
cpu_post_exec_22w:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
stwu r6, -4(r1)
mtlr r3
lwz r3, 0(r4)
mr r4, r5
blrl
lwz r4, 4(r1)
stw r3, 0(r4)
lwz r4, 0(r1)
stw r5, 0(r4)
lwz r0, 8(r1)
addi r1, r1, 12
mtlr r0
blr
/* void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2); */
.global cpu_post_exec_21w
cpu_post_exec_21w:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
stwu r5, -4(r1)
mtlr r3
lwz r3, 0(r4)
blrl
lwz r5, 4(r1)
stw r3, 0(r5)
lwz r5, 0(r1)
stw r4, 0(r5)
lwz r0, 8(r1)
addi r1, r1, 12
mtlr r0
blr
/* void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3); */
.global cpu_post_exec_21x
cpu_post_exec_21x:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
stwu r5, -4(r1)
mtlr r3
mr r3, r6
blrl
lwz r5, 4(r1)
stw r3, 0(r5)
lwz r5, 0(r1)
stw r4, 0(r5)
lwz r0, 8(r1)
addi r1, r1, 12
mtlr r0
blr
/* void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump,
ulong cr); */
.global cpu_post_exec_31
cpu_post_exec_31:
mflr r0
stwu r0, -4(r1)
stwu r4, -4(r1)
stwu r5, -4(r1)
stwu r6, -4(r1)
mtlr r3
lwz r3, 0(r4)
lwz r4, 0(r5)
mr r6, r7
blrl
lwz r7, 8(r1)
stw r3, 0(r7)
lwz r7, 4(r1)
stw r4, 0(r7)
lwz r7, 0(r1)
stw r5, 0(r7)
lwz r0, 12(r1)
addi r1, r1, 16
mtlr r0
blr
/* int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n); */
.global cpu_post_complex_1_asm
cpu_post_complex_1_asm:
li r9,0
cmpw r9,r7
bge cpu_post_complex_1_done
mtctr r7
cpu_post_complex_1_loop:
mullw r0,r3,r4
subf r0,r5,r0
divw r0,r0,r6
add r9,r9,r0
bdnz cpu_post_complex_1_loop
cpu_post_complex_1_done:
mr r3,r9
blr
/* int cpu_post_complex_2_asm (int x, int n); */
.global cpu_post_complex_2_asm
cpu_post_complex_2_asm:
mr. r0,r4
mtctr r0
mr r0,r3
li r3,1
li r4,1
blelr
cpu_post_complex_2_loop:
mullw r3,r3,r0
add r3,r3,r4
bdnz cpu_post_complex_2_loop
blr
#endif
#endif

126
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/*
* (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
* Complex calculations
*
* The calculations in this test are just a combination of simpler
* calculations, but probably under different timing conditions, etc.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n);
extern int cpu_post_complex_2_asm (int x, int n);
/*
* n
* SUM (a1 * a2 - a3) / a4 = n * result
* i=1
*/
static int cpu_post_test_complex_1 (void)
{
int a1 = 666;
int a2 = 667;
int a3 = 668;
int a4 = 66;
int n = 100;
int result = 6720; /* (a1 * a2 - a3) / a4 */
if (cpu_post_complex_1_asm(a1, a2, a3, a4, n) != n * result)
{
return -1;
}
return 0;
}
/* (1 + x + x^2 + ... + x^n) * (1 - x) = 1 - x^(n+1)
*/
static int cpu_post_test_complex_2 (void)
{
int ret = -1;
int x;
int n;
int k;
int left;
int right;
for (x = -8; x <= 8; x ++)
{
n = 9;
left = cpu_post_complex_2_asm(x, n);
left *= 1 - x;
right = 1;
for (k = 0; k <= n; k ++)
{
right *= x;
}
right = 1 - right;
if (left != right)
{
goto Done;
}
}
ret = 0;
Done:
return ret;
}
int cpu_post_test_complex (void)
{
int ret = 0;
if (ret == 0)
{
ret = cpu_post_test_complex_1();
}
if (ret == 0)
{
ret = cpu_post_test_complex_2();
}
if (ret != 0)
{
post_log ("Error at complex test !\n");
}
return ret;
}
#endif
#endif

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/*
* (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
* Load instructions: lbz(x)(u), lhz(x)(u), lha(x)(u), lwz(x)(u)
*
* All operations are performed on a 16-byte array. The array
* is 4-byte aligned. The base register points to offset 8.
* The immediate offset (index register) ranges in [-8 ... +7].
* The test cases are composed so that they do not
* cause alignment exceptions.
* The test contains a pre-built table describing all test cases.
* The table entry contains:
* the instruction opcode, the array contents, the value of the index
* register and the expected value of the destination register.
* After executing the instruction, the test verifies the
* value of the destination register and the value of the base
* register (it must change for "load with update" instructions).
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3);
extern void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2);
static struct cpu_post_load_s
{
ulong cmd;
uint width;
int update;
int index;
ulong offset;
} cpu_post_load_table[] =
{
{
OP_LWZ,
4,
0,
0,
4
},
{
OP_LHA,
3,
0,
0,
2
},
{
OP_LHZ,
2,
0,
0,
2
},
{
OP_LBZ,
1,
0,
0,
1
},
{
OP_LWZU,
4,
1,
0,
4
},
{
OP_LHAU,
3,
1,
0,
2
},
{
OP_LHZU,
2,
1,
0,
2
},
{
OP_LBZU,
1,
1,
0,
1
},
{
OP_LWZX,
4,
0,
1,
4
},
{
OP_LHAX,
3,
0,
1,
2
},
{
OP_LHZX,
2,
0,
1,
2
},
{
OP_LBZX,
1,
0,
1,
1
},
{
OP_LWZUX,
4,
1,
1,
4
},
{
OP_LHAUX,
3,
1,
1,
2
},
{
OP_LHZUX,
2,
1,
1,
2
},
{
OP_LBZUX,
1,
1,
1,
1
},
};
static unsigned int cpu_post_load_size =
sizeof (cpu_post_load_table) / sizeof (struct cpu_post_load_s);
int cpu_post_test_load (void)
{
int ret = 0;
unsigned int i;
for (i = 0; i < cpu_post_load_size && ret == 0; i++)
{
struct cpu_post_load_s *test = cpu_post_load_table + i;
uchar data[16] =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
ulong base0 = (ulong) (data + 8);
ulong base = base0;
ulong value;
if (test->index)
{
ulong code[] =
{
ASM_12(test->cmd, 5, 3, 4),
ASM_BLR,
};
cpu_post_exec_22w (code, &base, test->offset, &value);
}
else
{
ulong code[] =
{
ASM_11I(test->cmd, 4, 3, test->offset),
ASM_BLR,
};
cpu_post_exec_21w (code, &base, &value);
}
if (ret == 0)
{
if (test->update)
ret = base == base0 + test->offset ? 0 : -1;
else
ret = base == base0 ? 0 : -1;
}
if (ret == 0)
{
switch (test->width)
{
case 1:
ret = *(uchar *)(base0 + test->offset) == value ?
0 : -1;
break;
case 2:
ret = *(ushort *)(base0 + test->offset) == value ?
0 : -1;
break;
case 3:
ret = *(short *)(base0 + test->offset) == value ?
0 : -1;
break;
case 4:
ret = *(ulong *)(base0 + test->offset) == value ?
0 : -1;
break;
}
}
if (ret != 0)
{
post_log ("Error at load test %d !\n", i);
}
}
return ret;
}
#endif
#endif

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/*
* (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
* Load/store multiple word instructions: lmw, stmw
*
* 26 consecutive words are loaded from a source memory buffer
* into GPRs r6 through r31. After that, 26 consecutive words are stored
* from the GPRs r6 through r31 into a target memory buffer. The contents
* of the source and target buffers are then compared.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2);
int cpu_post_test_multi (void)
{
int ret = 0;
unsigned int i;
if (ret == 0)
{
ulong src [26], dst [26];
ulong code[] =
{
ASM_LMW(5, 3, 0),
ASM_STMW(5, 4, 0),
ASM_BLR,
};
for (i = 0; i < sizeof(src) / sizeof(src[0]); i ++)
{
src[i] = i;
dst[i] = 0;
}
cpu_post_exec_02(code, (ulong)src, (ulong)dst);
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
}
if (ret != 0)
{
post_log ("Error at multi test !\n");
}
return ret;
}
#endif
#endif

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/*
* (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
* Shift instructions: rlwimi
*
* The test contains a pre-built table of instructions, operands and
* expected results. For each table entry, the test will cyclically use
* different sets of operand registers and result registers.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
ulong op2);
extern ulong cpu_post_makecr (long v);
static struct cpu_post_rlwimi_s
{
ulong cmd;
ulong op0;
ulong op1;
uchar op2;
uchar mb;
uchar me;
ulong res;
} cpu_post_rlwimi_table[] =
{
{
OP_RLWIMI,
0xff00ffff,
0x0000aa00,
8,
8,
15,
0xffaaffff
},
};
static unsigned int cpu_post_rlwimi_size =
sizeof (cpu_post_rlwimi_table) / sizeof (struct cpu_post_rlwimi_s);
int cpu_post_test_rlwimi (void)
{
int ret = 0;
unsigned int i, reg;
int flag = disable_interrupts();
for (i = 0; i < cpu_post_rlwimi_size && ret == 0; i++)
{
struct cpu_post_rlwimi_s *test = cpu_post_rlwimi_table + i;
for (reg = 0; reg < 32 && ret == 0; reg++)
{
unsigned int reg0 = (reg + 0) % 32;
unsigned int reg1 = (reg + 1) % 32;
unsigned int stk = reg < 16 ? 31 : 15;
unsigned long code[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -20),
ASM_STW(3, stk, 8),
ASM_STW(4, stk, 12),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg1, stk, 8),
ASM_LWZ(reg0, stk, 12),
ASM_113(test->cmd, reg1, reg0, test->op2, test->mb, test->me),
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 20),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
unsigned long codecr[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -20),
ASM_STW(3, stk, 8),
ASM_STW(4, stk, 12),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg1, stk, 8),
ASM_LWZ(reg0, stk, 12),
ASM_113(test->cmd, reg1, reg0, test->op2, test->mb, test->me) |
BIT_C,
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 20),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
ulong res;
ulong cr;
if (ret == 0)
{
cr = 0;
cpu_post_exec_22 (code, & cr, & res, test->op0, test->op1);
ret = res == test->res && cr == 0 ? 0 : -1;
if (ret != 0)
{
post_log ("Error at rlwimi test %d !\n", i);
}
}
if (ret == 0)
{
cpu_post_exec_22 (codecr, & cr, & res, test->op0, test->op1);
ret = res == test->res &&
(cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
if (ret != 0)
{
post_log ("Error at rlwimi test %d !\n", i);
}
}
}
}
if (flag)
enable_interrupts();
return ret;
}
#endif
#endif

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/*
* (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
* Shift instructions: rlwinm
*
* The test contains a pre-built table of instructions, operands and
* expected results. For each table entry, the test will cyclically use
* different sets of operand registers and result registers.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1);
extern ulong cpu_post_makecr (long v);
static struct cpu_post_rlwinm_s
{
ulong cmd;
ulong op1;
uchar op2;
uchar mb;
uchar me;
ulong res;
} cpu_post_rlwinm_table[] =
{
{
OP_RLWINM,
0xffff0000,
24,
16,
23,
0x0000ff00
},
};
static unsigned int cpu_post_rlwinm_size =
sizeof (cpu_post_rlwinm_table) / sizeof (struct cpu_post_rlwinm_s);
int cpu_post_test_rlwinm (void)
{
int ret = 0;
unsigned int i, reg;
int flag = disable_interrupts();
for (i = 0; i < cpu_post_rlwinm_size && ret == 0; i++)
{
struct cpu_post_rlwinm_s *test = cpu_post_rlwinm_table + i;
for (reg = 0; reg < 32 && ret == 0; reg++)
{
unsigned int reg0 = (reg + 0) % 32;
unsigned int reg1 = (reg + 1) % 32;
unsigned int stk = reg < 16 ? 31 : 15;
unsigned long code[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -16),
ASM_STW(3, stk, 8),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg0, stk, 8),
ASM_113(test->cmd, reg1, reg0, test->op2, test->mb, test->me),
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 16),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
unsigned long codecr[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -16),
ASM_STW(3, stk, 8),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg0, stk, 8),
ASM_113(test->cmd, reg1, reg0, test->op2, test->mb,
test->me) | BIT_C,
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 16),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
ulong res;
ulong cr;
if (ret == 0)
{
cr = 0;
cpu_post_exec_21 (code, & cr, & res, test->op1);
ret = res == test->res && cr == 0 ? 0 : -1;
if (ret != 0)
{
post_log ("Error at rlwinm test %d !\n", i);
}
}
if (ret == 0)
{
cpu_post_exec_21 (codecr, & cr, & res, test->op1);
ret = res == test->res &&
(cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
if (ret != 0)
{
post_log ("Error at rlwinm test %d !\n", i);
}
}
}
}
if (flag)
enable_interrupts();
return ret;
}
#endif
#endif

165
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/*
* (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
* Shift instructions: rlwnm
*
* The test contains a pre-built table of instructions, operands and
* expected results. For each table entry, the test will cyclically use
* different sets of operand registers and result registers.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
ulong op2);
extern ulong cpu_post_makecr (long v);
static struct cpu_post_rlwnm_s
{
ulong cmd;
ulong op1;
ulong op2;
uchar mb;
uchar me;
ulong res;
} cpu_post_rlwnm_table[] =
{
{
OP_RLWNM,
0xffff0000,
24,
16,
23,
0x0000ff00
},
};
static unsigned int cpu_post_rlwnm_size =
sizeof (cpu_post_rlwnm_table) / sizeof (struct cpu_post_rlwnm_s);
int cpu_post_test_rlwnm (void)
{
int ret = 0;
unsigned int i, reg;
int flag = disable_interrupts();
for (i = 0; i < cpu_post_rlwnm_size && ret == 0; i++)
{
struct cpu_post_rlwnm_s *test = cpu_post_rlwnm_table + i;
for (reg = 0; reg < 32 && ret == 0; reg++)
{
unsigned int reg0 = (reg + 0) % 32;
unsigned int reg1 = (reg + 1) % 32;
unsigned int reg2 = (reg + 2) % 32;
unsigned int stk = reg < 16 ? 31 : 15;
unsigned long code[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -24),
ASM_STW(3, stk, 12),
ASM_STW(4, stk, 16),
ASM_STW(reg0, stk, 8),
ASM_STW(reg1, stk, 4),
ASM_STW(reg2, stk, 0),
ASM_LWZ(reg1, stk, 12),
ASM_LWZ(reg0, stk, 16),
ASM_122(test->cmd, reg2, reg1, reg0, test->mb, test->me),
ASM_STW(reg2, stk, 12),
ASM_LWZ(reg2, stk, 0),
ASM_LWZ(reg1, stk, 4),
ASM_LWZ(reg0, stk, 8),
ASM_LWZ(3, stk, 12),
ASM_ADDI(1, stk, 24),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
unsigned long codecr[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -24),
ASM_STW(3, stk, 12),
ASM_STW(4, stk, 16),
ASM_STW(reg0, stk, 8),
ASM_STW(reg1, stk, 4),
ASM_STW(reg2, stk, 0),
ASM_LWZ(reg1, stk, 12),
ASM_LWZ(reg0, stk, 16),
ASM_122(test->cmd, reg2, reg1, reg0, test->mb, test->me) |
BIT_C,
ASM_STW(reg2, stk, 12),
ASM_LWZ(reg2, stk, 0),
ASM_LWZ(reg1, stk, 4),
ASM_LWZ(reg0, stk, 8),
ASM_LWZ(3, stk, 12),
ASM_ADDI(1, stk, 24),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
ulong res;
ulong cr;
if (ret == 0)
{
cr = 0;
cpu_post_exec_22 (code, & cr, & res, test->op1, test->op2);
ret = res == test->res && cr == 0 ? 0 : -1;
if (ret != 0)
{
post_log ("Error at rlwnm test %d !\n", i);
}
}
if (ret == 0)
{
cpu_post_exec_22 (codecr, & cr, & res, test->op1, test->op2);
ret = res == test->res &&
(cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
if (ret != 0)
{
post_log ("Error at rlwnm test %d !\n", i);
}
}
}
}
if (flag)
enable_interrupts();
return ret;
}
#endif
#endif

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/*
* (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
* Shift instructions: srawi
*
* The test contains a pre-built table of instructions, operands and
* expected results. For each table entry, the test will cyclically use
* different sets of operand registers and result registers.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op);
extern ulong cpu_post_makecr (long v);
static struct cpu_post_srawi_s
{
ulong cmd;
ulong op1;
uchar op2;
ulong res;
} cpu_post_srawi_table[] =
{
{
OP_SRAWI,
0x8000,
3,
0x1000
},
{
OP_SRAWI,
0x80000000,
3,
0xf0000000
},
};
static unsigned int cpu_post_srawi_size =
sizeof (cpu_post_srawi_table) / sizeof (struct cpu_post_srawi_s);
int cpu_post_test_srawi (void)
{
int ret = 0;
unsigned int i, reg;
int flag = disable_interrupts();
for (i = 0; i < cpu_post_srawi_size && ret == 0; i++)
{
struct cpu_post_srawi_s *test = cpu_post_srawi_table + i;
for (reg = 0; reg < 32 && ret == 0; reg++)
{
unsigned int reg0 = (reg + 0) % 32;
unsigned int reg1 = (reg + 1) % 32;
unsigned int stk = reg < 16 ? 31 : 15;
unsigned long code[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -16),
ASM_STW(3, stk, 8),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg0, stk, 8),
ASM_11S(test->cmd, reg1, reg0, test->op2),
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 16),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
unsigned long codecr[] =
{
ASM_STW(stk, 1, -4),
ASM_ADDI(stk, 1, -16),
ASM_STW(3, stk, 8),
ASM_STW(reg0, stk, 4),
ASM_STW(reg1, stk, 0),
ASM_LWZ(reg0, stk, 8),
ASM_11S(test->cmd, reg1, reg0, test->op2) | BIT_C,
ASM_STW(reg1, stk, 8),
ASM_LWZ(reg1, stk, 0),
ASM_LWZ(reg0, stk, 4),
ASM_LWZ(3, stk, 8),
ASM_ADDI(1, stk, 16),
ASM_LWZ(stk, 1, -4),
ASM_BLR,
};
ulong res;
ulong cr;
if (ret == 0)
{
cr = 0;
cpu_post_exec_21 (code, & cr, & res, test->op1);
ret = res == test->res && cr == 0 ? 0 : -1;
if (ret != 0)
{
post_log ("Error at srawi test %d !\n", i);
}
}
if (ret == 0)
{
cpu_post_exec_21 (codecr, & cr, & res, test->op1);
ret = res == test->res &&
(cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;
if (ret != 0)
{
post_log ("Error at srawi test %d !\n", i);
}
}
}
}
if (flag)
enable_interrupts();
return ret;
}
#endif
#endif

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/*
* (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
* Store instructions: stb(x)(u), sth(x)(u), stw(x)(u)
*
* All operations are performed on a 16-byte array. The array
* is 4-byte aligned. The base register points to offset 8.
* The immediate offset (index register) ranges in [-8 ... +7].
* The test cases are composed so that they do not
* cause alignment exceptions.
* The test contains a pre-built table describing all test cases.
* The table entry contains:
* the instruction opcode, the value of the index register and
* the value of the source register. After executing the
* instruction, the test verifies the contents of the array
* and the value of the base register (it must change for "store
* with update" instructions).
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3);
extern void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2);
static struct cpu_post_store_s
{
ulong cmd;
uint width;
int update;
int index;
ulong offset;
ulong value;
} cpu_post_store_table[] =
{
{
OP_STW,
4,
0,
0,
-4,
0xff00ff00
},
{
OP_STH,
2,
0,
0,
-2,
0xff00
},
{
OP_STB,
1,
0,
0,
-1,
0xff
},
{
OP_STWU,
4,
1,
0,
-4,
0xff00ff00
},
{
OP_STHU,
2,
1,
0,
-2,
0xff00
},
{
OP_STBU,
1,
1,
0,
-1,
0xff
},
{
OP_STWX,
4,
0,
1,
-4,
0xff00ff00
},
{
OP_STHX,
2,
0,
1,
-2,
0xff00
},
{
OP_STBX,
1,
0,
1,
-1,
0xff
},
{
OP_STWUX,
4,
1,
1,
-4,
0xff00ff00
},
{
OP_STHUX,
2,
1,
1,
-2,
0xff00
},
{
OP_STBUX,
1,
1,
1,
-1,
0xff
},
};
static unsigned int cpu_post_store_size =
sizeof (cpu_post_store_table) / sizeof (struct cpu_post_store_s);
int cpu_post_test_store (void)
{
int ret = 0;
unsigned int i;
for (i = 0; i < cpu_post_store_size && ret == 0; i++)
{
struct cpu_post_store_s *test = cpu_post_store_table + i;
uchar data[16] =
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
ulong base0 = (ulong) (data + 8);
ulong base = base0;
if (test->index)
{
ulong code[] =
{
ASM_12(test->cmd, 5, 3, 4),
ASM_BLR,
};
cpu_post_exec_12w (code, &base, test->offset, test->value);
}
else
{
ulong code[] =
{
ASM_11I(test->cmd, 4, 3, test->offset),
ASM_BLR,
};
cpu_post_exec_11w (code, &base, test->value);
}
if (ret == 0)
{
if (test->update)
ret = base == base0 + test->offset ? 0 : -1;
else
ret = base == base0 ? 0 : -1;
}
if (ret == 0)
{
switch (test->width)
{
case 1:
ret = *(uchar *)(base0 + test->offset) == test->value ?
0 : -1;
break;
case 2:
ret = *(ushort *)(base0 + test->offset) == test->value ?
0 : -1;
break;
case 4:
ret = *(ulong *)(base0 + test->offset) == test->value ?
0 : -1;
break;
}
}
if (ret != 0)
{
post_log ("Error at store test %d !\n", i);
}
}
return ret;
}
#endif
#endif

106
post/cpu/string.c Normal file
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@ -0,0 +1,106 @@
/*
* (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
* Load/store string instructions: lswi, stswi, lswx, stswx
*
* Several consecutive bytes from a source memory buffer are loaded
* left to right into GPRs. After that, the bytes are stored
* from the GPRs into a target memory buffer. The contents
* of the source and target buffers are then compared.
*/
#ifdef CONFIG_POST
#include <post.h>
#include "cpu_asm.h"
#if CONFIG_POST & CFG_POST_CPU
extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2);
extern void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3,
ulong op4);
#include <bedbug/regs.h>
int cpu_post_test_string (void)
{
int ret = 0;
unsigned int i;
if (ret == 0)
{
char src [31], dst [31];
ulong code[] =
{
ASM_LSWI(5, 3, 31),
ASM_STSWI(5, 4, 31),
ASM_BLR,
};
for (i = 0; i < sizeof(src); i ++)
{
src[i] = (char) i;
dst[i] = 0;
}
cpu_post_exec_02(code, (ulong)src, (ulong)dst);
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
}
if (ret == 0)
{
char src [95], dst [95];
ulong code[] =
{
ASM_LSWX(8, 3, 5),
ASM_STSWX(8, 4, 5),
ASM_BLR,
};
for (i = 0; i < sizeof(src); i ++)
{
src[i] = (char) i;
dst[i] = 0;
}
cpu_post_exec_04(code, (ulong)src, (ulong)dst, 0, sizeof(src));
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
}
if (ret != 0)
{
post_log ("Error at string test !\n");
}
return ret;
}
#endif
#endif