android13/u-boot/cmd/ddr_tool/memtester/tests.c

635 lines
13 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Very simple but very effective user-space memory tester.
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
* Version 3 not publicly released.
* Version 4 rewrite:
* Copyright (C) 2004-2012 Charles Cazabon <charlesc-memtester@pyropus.ca>
* Licensed under the terms of the GNU General Public License version 2 (only).
* See the file COPYING for details.
*
* This file contains the functions for the actual tests, called from the
* main routine in memtester.c. See other comments in that file.
*
*/
#include "memtester.h"
#include "sizes.h"
#include "types.h"
#include "../io_map.h"
union {
unsigned char bytes[UL_LEN / 8];
u32 val;
} mword8;
union {
unsigned short u16s[UL_LEN / 16];
u32 val;
} mword16;
char progress[] = "-\\|/";
#define PROGRESSLEN 4
#define PROGRESSOFTEN 2500
#define ONE 0x00000001L
#define fflush(n)
/* Function definitions. */
int compare_regions(u32v *bufa, u32v *bufb, size_t count)
{
int r = 0;
size_t i;
u32v *p1 = bufa;
u32v *p2 = bufb;
off_t physaddr;
for (i = 0; i < count; i++, p1++, p2++) {
if (*p1 != *p2) {
if (use_phys) {
physaddr = physaddrbase + (i * sizeof(u32v));
fprintf(stderr,
"FAILURE: 0x%08lx != 0x%08lx at physical address "
"0x%08lx.\n",
(ul)*p1, (ul)*p2, physaddr);
} else {
fprintf(stderr,
"FAILURE: 0x%08lx != 0x%08lx at offset 0x%08lx.\n",
(ul)*p1, (ul)*p2,
(ul)(i * sizeof(u32v)));
}
/* printf("Skipping to next test..."); */
r = -1;
}
}
return r;
}
int test_stuck_address(u32v *bufa, size_t count)
{
u32v *p1 = bufa;
unsigned int j;
size_t i;
off_t physaddr;
printf(" ");
fflush(stdout);
for (j = 0; j < 16; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (u32v *)bufa;
printf("setting %3u", j);
fflush(stdout);
for (i = 0; i < count; i++) {
*p1 = ((j + i) % 2) == 0 ? (u32)(ul)p1 : ~((u32)(ul)p1);
*p1++;
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
p1 = (u32v *)bufa;
for (i = 0; i < count; i++, p1++) {
if (*p1 != (((j + i) % 2) == 0 ?
(u32)(ul)p1 : ~((u32)(ul)p1))) {
if (use_phys) {
physaddr =
physaddrbase + (i * sizeof(u32v));
fprintf(stderr,
"FAILURE: possible bad address line at physical "
"address 0x%08lx.\n", physaddr);
} else {
fprintf(stderr,
"FAILURE: possible bad address line at offset "
"0x%08lx.\n",
(ul)(i * sizeof(u32v)));
}
printf("Skipping to next test...\n");
fflush(stdout);
return -1;
}
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_random_value(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
ul j = 0;
size_t i;
putc(' ');
fflush(stdout);
for (i = 0; i < count; i++) {
*p1++ = *p2++ = rand_ul();
if (!(i % PROGRESSOFTEN)) {
putc('\b');
putc(progress[++j % PROGRESSLEN]);
fflush(stdout);
}
}
printf("\b \b");
fflush(stdout);
return compare_regions(bufa, bufb, count);
}
int test_xor_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ ^= q;
*p2++ ^= q;
}
return compare_regions(bufa, bufb, count);
}
int test_sub_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ -= q;
*p2++ -= q;
}
return compare_regions(bufa, bufb, count);
}
int test_mul_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ *= q;
*p2++ *= q;
}
return compare_regions(bufa, bufb, count);
}
int test_div_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++) {
if (!q)
q++;
*p1++ /= q;
*p2++ /= q;
}
return compare_regions(bufa, bufb, count);
}
int test_or_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ |= q;
*p2++ |= q;
}
return compare_regions(bufa, bufb, count);
}
int test_and_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++) {
*p1++ &= q;
*p2++ &= q;
}
return compare_regions(bufa, bufb, count);
}
int test_seqinc_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
size_t i;
u32 q = rand_ul();
for (i = 0; i < count; i++)
*p1++ = *p2++ = (i + q);
return compare_regions(bufa, bufb, count);
}
int test_solidbits_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j;
u32 q;
u32 data[4];
size_t i;
printf(" ");
fflush(stdout);
for (j = 0; j < 64; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
q = (j % 2) == 0 ? UL_ONEBITS : 0;
if (fix_level)
q |= fix_bit;
else
q &= ~fix_bit;
data[0] = data[2] = q;
data[1] = data[3] = ~q;
data_cpu_2_io(data, sizeof(data));
printf("setting %3u", j);
fflush(stdout);
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
for (i = 0; i < count; i++)
*p1++ = *p2++ = data[i & 3];
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_checkerboard_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j;
u32 q;
u32 data[4];
size_t i;
printf(" ");
fflush(stdout);
for (j = 0; j < 64; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
q = (j % 2) == 0 ? CHECKERBOARD1 : CHECKERBOARD2;
if (fix_level)
q |= fix_bit;
else
q &= ~fix_bit;
data[0] = data[2] = q;
data[1] = data[3] = ~q;
data_cpu_2_io(data, sizeof(data));
printf("setting %3u", j);
fflush(stdout);
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
for (i = 0; i < count; i++)
*p1++ = *p2++ = data[i & 3];
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_blockseq_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j;
u32 data[4];
u32 q;
size_t i;
printf(" ");
fflush(stdout);
for (j = 0; j < 256; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
printf("setting %3u", j);
fflush(stdout);
q = (u32)UL_BYTE(j);
if (fix_level)
q |= fix_bit;
else
q &= ~fix_bit;
data[0] = q;
data[1] = q;
data[2] = q;
data[3] = q;
data_cpu_2_io(data, sizeof(data));
for (i = 0; i < count; i++)
*p1++ = *p2++ = data[i & 3];
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_walkbits0_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j;
u32 data[4];
u32 q;
size_t i;
printf(" ");
fflush(stdout);
for (j = 0; j < UL_LEN * 2; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
printf("setting %3u", j);
fflush(stdout);
if (j < UL_LEN)
q = ONE << j;
else
q = ONE << (UL_LEN * 2 - j - 1);
if (fix_level)
q |= fix_bit;
else
q &= ~fix_bit;
data[0] = q;
data[1] = q;
data[2] = q;
data[3] = q;
data_cpu_2_io(data, sizeof(data));
for (i = 0; i < count; i++) {
*p1++ = *p2++ = data[i & 3];
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_walkbits1_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j;
u32 data[4];
u32 q;
size_t i;
printf(" ");
fflush(stdout);
for (j = 0; j < UL_LEN * 2; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
printf("setting %3u", j);
fflush(stdout);
if (j < UL_LEN)
q = UL_ONEBITS ^ (ONE << j);
else
q = UL_ONEBITS ^ (ONE << (UL_LEN * 2 - j - 1));
if (fix_level)
q |= fix_bit;
else
q &= ~fix_bit;
data[0] = q;
data[1] = q;
data[2] = q;
data[3] = q;
data_cpu_2_io(data, sizeof(data));
for (i = 0; i < count; i++) {
*p1++ = *p2++ = data[i & 3];
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_bitspread_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j;
u32 data[4];
size_t i;
printf(" ");
fflush(stdout);
for (j = 0; j < UL_LEN * 2; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
printf("setting %3u", j);
fflush(stdout);
if (j < UL_LEN) {
data[0] = (ONE << j) | (ONE << (j + 2));
data[1] = UL_ONEBITS ^ ((ONE << j) | (ONE << (j + 2)));
} else {
data[0] = (ONE << (UL_LEN * 2 - 1 - j)) |
(ONE << (UL_LEN * 2 + 1 - j));
data[1] = UL_ONEBITS ^ (ONE << (UL_LEN * 2 - 1 - j)
| (ONE << (UL_LEN * 2 + 1 - j)));
}
if (fix_level) {
data[0] |= fix_bit;
data[1] |= fix_bit;
} else {
data[0] &= ~fix_bit;
data[1] &= ~fix_bit;
}
data[2] = data[0];
data[3] = data[1];
data_cpu_2_io(data, sizeof(data));
for (i = 0; i < count; i++) {
*p1++ = *p2++ = data[i & 3];
}
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
int test_bitflip_comparison(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u32v *p1 = bufa;
u32v *p2 = bufb;
unsigned int j, k;
u32 q;
u32 data[4];
size_t i;
printf(" ");
fflush(stdout);
for (k = 0; k < UL_LEN; k++) {
q = ONE << k;
for (j = 0; j < 8; j++) {
printf("\b\b\b\b\b\b\b\b\b\b\b");
q = ~q;
printf("setting %3u", k * 8 + j);
fflush(stdout);
if (fix_level)
q |= fix_bit;
else
q &= ~fix_bit;
data[0] = data[2] = q;
data[1] = data[3] = ~q;
data_cpu_2_io(data, sizeof(data));
p1 = (u32v *)bufa;
p2 = (u32v *)bufb;
for (i = 0; i < count; i++)
*p1++ = *p2++ = data[i & 3];
printf("\b\b\b\b\b\b\b\b\b\b\b");
printf("testing %3u", k * 8 + j);
fflush(stdout);
if (compare_regions(bufa, bufb, count))
return -1;
}
}
printf("\b\b\b\b\b\b\b\b\b\b\b \b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
return 0;
}
#ifdef TEST_NARROW_WRITES
int test_8bit_wide_random(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u8v *p1, *t;
u32v *p2;
int attempt;
unsigned int b, j = 0;
size_t i;
putc(' ');
fflush(stdout);
for (attempt = 0; attempt < 2; attempt++) {
if (attempt & 1) {
p1 = (u8v *)bufa;
p2 = bufb;
} else {
p1 = (u8v *)bufb;
p2 = bufa;
}
for (i = 0; i < count; i++) {
t = mword8.bytes;
*p2++ = mword8.val = rand_ul();
for (b = 0; b < UL_LEN / 8; b++)
*p1++ = *t++;
if (!(i % PROGRESSOFTEN)) {
putc('\b');
putc(progress[++j % PROGRESSLEN]);
fflush(stdout);
}
}
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b \b");
fflush(stdout);
return 0;
}
int test_16bit_wide_random(u32v *bufa, u32v *bufb, size_t count,
ul fix_bit, ul fix_level)
{
u16v *p1, *t;
u32v *p2;
int attempt;
unsigned int b, j = 0;
size_t i;
putc(' ');
fflush(stdout);
for (attempt = 0; attempt < 2; attempt++) {
if (attempt & 1) {
p1 = (u16v *)bufa;
p2 = bufb;
} else {
p1 = (u16v *)bufb;
p2 = bufa;
}
for (i = 0; i < count; i++) {
t = mword16.u16s;
*p2++ = mword16.val = rand_ul();
for (b = 0; b < UL_LEN / 16; b++)
*p1++ = *t++;
if (!(i % PROGRESSOFTEN)) {
putc('\b');
putc(progress[++j % PROGRESSLEN]);
fflush(stdout);
}
}
if (compare_regions(bufa, bufb, count))
return -1;
}
printf("\b \b");
fflush(stdout);
return 0;
}
#endif