#include <mapmem.h>
#include <rand.h>
#include <watchdog.h>
+#include <asm/global_data.h>
#include <asm/io.h>
+#include <linux/bitops.h>
#include <linux/compiler.h>
+#include <linux/ctype.h>
+#include <linux/delay.h>
DECLARE_GLOBAL_DATA_PTR;
-#ifndef CONFIG_SYS_MEMTEST_SCRATCH
-#define CONFIG_SYS_MEMTEST_SCRATCH 0
+/* Create a compile-time value */
+#ifdef MEM_SUPPORT_64BIT_DATA
+#define SUPPORT_64BIT_DATA 1
+#define HELP_Q ", .q"
+#else
+#define SUPPORT_64BIT_DATA 0
+#define HELP_Q ""
#endif
static int mod_mem(struct cmd_tbl *, int, int, int, char * const []);
static ulong mm_last_addr, mm_last_size;
static ulong base_address = 0;
+#ifdef CONFIG_CMD_MEM_SEARCH
+static ulong dp_last_ms_length;
+static u8 search_buf[64];
+static uint search_len;
+#endif
/* Memory Display
*
/* Address is specified since argc > 1
*/
- addr = simple_strtoul(argv[1], NULL, 16);
+ addr = hextoul(argv[1], NULL);
addr += base_address;
/* If another parameter, it is the length to display.
* Length is the number of objects, not number of bytes.
*/
if (argc > 2)
- length = simple_strtoul(argv[2], NULL, 16);
+ length = hextoul(argv[2], NULL);
}
bytes = size * length;
static int do_mem_mw(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
-#ifdef MEM_SUPPORT_64BIT_DATA
- u64 writeval;
-#else
- ulong writeval;
-#endif
+ ulong writeval; /* 64-bit if SUPPORT_64BIT_DATA */
ulong addr, count;
int size;
void *buf, *start;
/* Address is specified since argc > 1
*/
- addr = simple_strtoul(argv[1], NULL, 16);
+ addr = hextoul(argv[1], NULL);
addr += base_address;
/* Get the value to write.
*/
-#ifdef MEM_SUPPORT_64BIT_DATA
- writeval = simple_strtoull(argv[2], NULL, 16);
-#else
- writeval = simple_strtoul(argv[2], NULL, 16);
-#endif
+ if (SUPPORT_64BIT_DATA)
+ writeval = simple_strtoull(argv[2], NULL, 16);
+ else
+ writeval = hextoul(argv[2], NULL);
/* Count ? */
if (argc == 4) {
- count = simple_strtoul(argv[3], NULL, 16);
+ count = hextoul(argv[3], NULL);
} else {
count = 1;
}
while (count-- > 0) {
if (size == 4)
*((u32 *)buf) = (u32)writeval;
-#ifdef MEM_SUPPORT_64BIT_DATA
- else if (size == 8)
- *((u64 *)buf) = (u64)writeval;
-#endif
+ else if (SUPPORT_64BIT_DATA && size == 8)
+ *((ulong *)buf) = writeval;
else if (size == 2)
*((u16 *)buf) = (u16)writeval;
else
if (argc < 4)
return CMD_RET_USAGE;
- count = simple_strtoul(argv[3], NULL, 10);
+ count = dectoul(argv[3], NULL);
for (;;) {
do_mem_md (NULL, 0, 3, argv);
/* delay for <count> ms... */
for (i=0; i<count; i++)
- udelay (1000);
+ udelay(1000);
/* check for ctrl-c to abort... */
if (ctrlc()) {
if (argc < 4)
return CMD_RET_USAGE;
- count = simple_strtoul(argv[3], NULL, 10);
+ count = dectoul(argv[3], NULL);
for (;;) {
do_mem_mw (NULL, 0, 3, argv);
/* delay for <count> ms... */
for (i=0; i<count; i++)
- udelay (1000);
+ udelay(1000);
/* check for ctrl-c to abort... */
if (ctrlc()) {
int rcode = 0;
const char *type;
const void *buf1, *buf2, *base;
-#ifdef MEM_SUPPORT_64BIT_DATA
- u64 word1, word2;
-#else
- ulong word1, word2;
-#endif
+ ulong word1, word2; /* 64-bit if SUPPORT_64BIT_DATA */
if (argc != 4)
return CMD_RET_USAGE;
size == 4 ? "word" :
size == 2 ? "halfword" : "byte";
- addr1 = simple_strtoul(argv[1], NULL, 16);
+ addr1 = hextoul(argv[1], NULL);
addr1 += base_address;
- addr2 = simple_strtoul(argv[2], NULL, 16);
+ addr2 = hextoul(argv[2], NULL);
addr2 += base_address;
- count = simple_strtoul(argv[3], NULL, 16);
+ count = hextoul(argv[3], NULL);
bytes = size * count;
base = buf1 = map_sysmem(addr1, bytes);
if (size == 4) {
word1 = *(u32 *)buf1;
word2 = *(u32 *)buf2;
-#ifdef MEM_SUPPORT_64BIT_DATA
- } else if (size == 8) {
- word1 = *(u64 *)buf1;
- word2 = *(u64 *)buf2;
-#endif
+ } else if (SUPPORT_64BIT_DATA && size == 8) {
+ word1 = *(ulong *)buf1;
+ word2 = *(ulong *)buf2;
} else if (size == 2) {
word1 = *(u16 *)buf1;
word2 = *(u16 *)buf2;
}
if (word1 != word2) {
ulong offset = buf1 - base;
-#ifdef MEM_SUPPORT_64BIT_DATA
- printf("%s at 0x%p (%#0*llx) != %s at 0x%p (%#0*llx)\n",
- type, (void *)(addr1 + offset), size, word1,
- type, (void *)(addr2 + offset), size, word2);
-#else
printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
type, (ulong)(addr1 + offset), size, word1,
type, (ulong)(addr2 + offset), size, word2);
-#endif
rcode = 1;
break;
}
if ((size = cmd_get_data_size(argv[0], 4)) < 0)
return 1;
- addr = simple_strtoul(argv[1], NULL, 16);
+ addr = hextoul(argv[1], NULL);
addr += base_address;
- dest = simple_strtoul(argv[2], NULL, 16);
+ dest = hextoul(argv[2], NULL);
dest += base_address;
- count = simple_strtoul(argv[3], NULL, 16);
+ count = hextoul(argv[3], NULL);
if (count == 0) {
puts ("Zero length ???\n");
return 0;
}
+#ifdef CONFIG_CMD_MEM_SEARCH
+static int do_mem_search(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ ulong addr, length, bytes, offset;
+ u8 *ptr, *end, *buf;
+ bool quiet = false;
+ ulong last_pos; /* Offset of last match in 'size' units*/
+ ulong last_addr; /* Address of last displayed line */
+ int limit = 10;
+ int used_len;
+ int count;
+ int size;
+ int i;
+
+ /* We use the last specified parameters, unless new ones are entered */
+ addr = dp_last_addr;
+ size = dp_last_size;
+ length = dp_last_ms_length;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ if (!(flag & CMD_FLAG_REPEAT)) {
+ /*
+ * Check for a size specification.
+ * Defaults to long if no or incorrect specification.
+ */
+ size = cmd_get_data_size(argv[0], 4);
+ if (size < 0 && size != CMD_DATA_SIZE_STR)
+ return 1;
+
+ argc--;
+ argv++;
+ while (argc && *argv[0] == '-') {
+ int ch = argv[0][1];
+
+ if (ch == 'q')
+ quiet = true;
+ else if (ch == 'l' && isxdigit(argv[0][2]))
+ limit = hextoul(argv[0] + 2, NULL);
+ else
+ return CMD_RET_USAGE;
+ argc--;
+ argv++;
+ }
+
+ /* Address is specified since argc > 1 */
+ addr = hextoul(argv[0], NULL);
+ addr += base_address;
+
+ /* Length is the number of objects, not number of bytes */
+ length = hextoul(argv[1], NULL);
+
+ /* Read the bytes to search for */
+ end = search_buf + sizeof(search_buf);
+ for (i = 2, ptr = search_buf; i < argc && ptr < end; i++) {
+ if (MEM_SUPPORT_64BIT_DATA && size == 8) {
+ u64 val = simple_strtoull(argv[i], NULL, 16);
+
+ *(u64 *)ptr = val;
+ } else if (size == -2) { /* string */
+ int len = min(strlen(argv[i]),
+ (size_t)(end - ptr));
+
+ memcpy(ptr, argv[i], len);
+ ptr += len;
+ continue;
+ } else {
+ u32 val = hextoul(argv[i], NULL);
+
+ switch (size) {
+ case 1:
+ *ptr = val;
+ break;
+ case 2:
+ *(u16 *)ptr = val;
+ break;
+ case 4:
+ *(u32 *)ptr = val;
+ break;
+ }
+ }
+ ptr += size;
+ }
+ search_len = ptr - search_buf;
+ }
+
+ /* Do the search */
+ if (size == -2)
+ size = 1;
+ bytes = size * length;
+ buf = map_sysmem(addr, bytes);
+ last_pos = 0;
+ last_addr = 0;
+ count = 0;
+ for (offset = 0;
+ offset < bytes && offset <= bytes - search_len && count < limit;
+ offset += size) {
+ void *ptr = buf + offset;
+
+ if (!memcmp(ptr, search_buf, search_len)) {
+ uint align = (addr + offset) & 0xf;
+ ulong match = addr + offset;
+
+ if (!count || (last_addr & ~0xf) != (match & ~0xf)) {
+ if (!quiet) {
+ if (count)
+ printf("--\n");
+ print_buffer(match - align, ptr - align,
+ size,
+ ALIGN(search_len + align,
+ 16) / size, 0);
+ }
+ last_addr = match;
+ last_pos = offset / size;
+ }
+ count++;
+ }
+ }
+ if (!quiet) {
+ printf("%d match%s", count, count == 1 ? "" : "es");
+ if (count == limit)
+ printf(" (repeat command to check for more)");
+ printf("\n");
+ }
+ env_set_hex("memmatches", count);
+ env_set_hex("memaddr", last_addr);
+ env_set_hex("mempos", last_pos);
+
+ unmap_sysmem(buf);
+
+ used_len = offset / size;
+ dp_last_addr = addr + used_len;
+ dp_last_size = size;
+ dp_last_ms_length = length < used_len ? 0 : length - used_len;
+
+ return count ? 0 : CMD_RET_FAILURE;
+}
+#endif
+
static int do_mem_base(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
if (argc > 1) {
/* Set new base address.
*/
- base_address = simple_strtoul(argv[1], NULL, 16);
+ base_address = hextoul(argv[1], NULL);
}
/* Print the current base address.
*/
{
ulong addr, length, i, bytes;
int size;
-#ifdef MEM_SUPPORT_64BIT_DATA
- volatile u64 *llp;
-#endif
+ volatile ulong *llp; /* 64-bit if SUPPORT_64BIT_DATA */
volatile u32 *longp;
volatile u16 *shortp;
volatile u8 *cp;
/* Address is always specified.
*/
- addr = simple_strtoul(argv[1], NULL, 16);
+ addr = hextoul(argv[1], NULL);
/* Length is the number of objects, not number of bytes.
*/
- length = simple_strtoul(argv[2], NULL, 16);
+ length = hextoul(argv[2], NULL);
bytes = size * length;
buf = map_sysmem(addr, bytes);
* If we have only one object, just run infinite loops.
*/
if (length == 1) {
-#ifdef MEM_SUPPORT_64BIT_DATA
- if (size == 8) {
- llp = (u64 *)buf;
+ if (SUPPORT_64BIT_DATA && size == 8) {
+ llp = (ulong *)buf;
for (;;)
i = *llp;
}
-#endif
if (size == 4) {
longp = (u32 *)buf;
for (;;)
i = *cp;
}
-#ifdef MEM_SUPPORT_64BIT_DATA
- if (size == 8) {
+ if (SUPPORT_64BIT_DATA && size == 8) {
for (;;) {
- llp = (u64 *)buf;
+ llp = (ulong *)buf;
i = length;
while (i-- > 0)
*llp++;
}
}
-#endif
if (size == 4) {
for (;;) {
longp = (u32 *)buf;
{
ulong addr, length, i, bytes;
int size;
-#ifdef MEM_SUPPORT_64BIT_DATA
- volatile u64 *llp;
- u64 data;
-#else
- ulong data;
-#endif
+ volatile ulong *llp; /* 64-bit if SUPPORT_64BIT_DATA */
+ ulong data; /* 64-bit if SUPPORT_64BIT_DATA */
volatile u32 *longp;
volatile u16 *shortp;
volatile u8 *cp;
/* Address is always specified.
*/
- addr = simple_strtoul(argv[1], NULL, 16);
+ addr = hextoul(argv[1], NULL);
/* Length is the number of objects, not number of bytes.
*/
- length = simple_strtoul(argv[2], NULL, 16);
+ length = hextoul(argv[2], NULL);
/* data to write */
-#ifdef MEM_SUPPORT_64BIT_DATA
- data = simple_strtoull(argv[3], NULL, 16);
-#else
- data = simple_strtoul(argv[3], NULL, 16);
-#endif
+ if (SUPPORT_64BIT_DATA)
+ data = simple_strtoull(argv[3], NULL, 16);
+ else
+ data = hextoul(argv[3], NULL);
bytes = size * length;
buf = map_sysmem(addr, bytes);
* If we have only one object, just run infinite loops.
*/
if (length == 1) {
-#ifdef MEM_SUPPORT_64BIT_DATA
- if (size == 8) {
- llp = (u64 *)buf;
+ if (SUPPORT_64BIT_DATA && size == 8) {
+ llp = (ulong *)buf;
for (;;)
*llp = data;
}
-#endif
if (size == 4) {
longp = (u32 *)buf;
for (;;)
*cp = data;
}
-#ifdef MEM_SUPPORT_64BIT_DATA
- if (size == 8) {
+ if (SUPPORT_64BIT_DATA && size == 8) {
for (;;) {
- llp = (u64 *)buf;
+ llp = (ulong *)buf;
i = length;
while (i-- > 0)
*llp++ = data;
}
}
-#endif
if (size == 4) {
for (;;) {
longp = (u32 *)buf;
return errs;
}
+static ulong mem_test_bitflip(vu_long *buf, ulong start, ulong end)
+{
+ /*
+ * Split the specified range into two halves.
+ * Note that mtest range is inclusive of start,end.
+ * Bitflip test instead uses a count (of 32-bit words).
+ */
+ ulong half_size = (end - start + 1) / 2 / sizeof(unsigned long);
+
+ return test_bitflip_comparison(buf, buf + half_size, half_size);
+}
+
static ulong mem_test_quick(vu_long *buf, ulong start_addr, ulong end_addr,
vu_long pattern, int iteration)
{
errs = mem_test_alt(buf, start, end, dummy);
if (errs == -1UL)
break;
- count += errs;
- errs = test_bitflip_comparison(buf,
- buf + (end - start) / 2,
- (end - start) /
- sizeof(unsigned long));
+ if (IS_ENABLED(CONFIG_SYS_ALT_MEMTEST_BITFLIP)) {
+ count += errs;
+ errs = mem_test_bitflip(buf, start, end);
+ }
} else {
errs = mem_test_quick(buf, start, end, pattern,
iteration);
*
* Syntax:
* mm{.b, .w, .l, .q} {addr}
- * nm{.b, .w, .l, .q} {addr}
*/
static int
mod_mem(struct cmd_tbl *cmdtp, int incrflag, int flag, int argc,
char *const argv[])
{
ulong addr;
-#ifdef MEM_SUPPORT_64BIT_DATA
- u64 i;
-#else
- ulong i;
-#endif
+ ulong i; /* 64-bit if SUPPORT_64BIT_DATA */
int nbytes, size;
void *ptr = NULL;
/* Address is specified since argc > 1
*/
- addr = simple_strtoul(argv[1], NULL, 16);
+ addr = hextoul(argv[1], NULL);
addr += base_address;
}
printf("%08lx:", addr);
if (size == 4)
printf(" %08x", *((u32 *)ptr));
-#ifdef MEM_SUPPORT_64BIT_DATA
- else if (size == 8)
- printf(" %016llx", *((u64 *)ptr));
-#endif
+ else if (SUPPORT_64BIT_DATA && size == 8)
+ printf(" %0lx", *((ulong *)ptr));
else if (size == 2)
printf(" %04x", *((u16 *)ptr));
else
#endif
else {
char *endp;
-#ifdef MEM_SUPPORT_64BIT_DATA
- i = simple_strtoull(console_buffer, &endp, 16);
-#else
- i = simple_strtoul(console_buffer, &endp, 16);
-#endif
+ if (SUPPORT_64BIT_DATA)
+ i = simple_strtoull(console_buffer, &endp, 16);
+ else
+ i = hextoul(console_buffer, &endp);
nbytes = endp - console_buffer;
if (nbytes) {
/* good enough to not time out
bootretry_reset_cmd_timeout();
if (size == 4)
*((u32 *)ptr) = i;
-#ifdef MEM_SUPPORT_64BIT_DATA
- else if (size == 8)
- *((u64 *)ptr) = i;
-#endif
+ else if (SUPPORT_64BIT_DATA && size == 8)
+ *((ulong *)ptr) = i;
else if (size == 2)
*((u16 *)ptr) = i;
else
if (argc < 3 || argc > 4)
return CMD_RET_USAGE;
- len = simple_strtoul(argv[2], NULL, 16);
- addr = simple_strtoul(argv[1], NULL, 16);
+ len = hextoul(argv[2], NULL);
+ addr = hextoul(argv[1], NULL);
if (argc == 4) {
- seed = simple_strtoul(argv[3], NULL, 16);
+ seed = hextoul(argv[3], NULL);
if (seed == 0) {
printf("The seed cannot be 0. Using 0xDEADBEEF.\n");
seed = 0xDEADBEEF;
U_BOOT_CMD(
md, 3, 1, do_mem_md,
"memory display",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address [# of objects]"
-#else
- "[.b, .w, .l] address [# of objects]"
-#endif
+ "[.b, .w, .l" HELP_Q "] address [# of objects]"
);
U_BOOT_CMD(
mm, 2, 1, do_mem_mm,
"memory modify (auto-incrementing address)",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address"
-#else
- "[.b, .w, .l] address"
-#endif
+ "[.b, .w, .l" HELP_Q "] address"
);
U_BOOT_CMD(
nm, 2, 1, do_mem_nm,
"memory modify (constant address)",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address"
-#else
- "[.b, .w, .l] address"
-#endif
+ "[.b, .w, .l" HELP_Q "] address"
);
U_BOOT_CMD(
mw, 4, 1, do_mem_mw,
"memory write (fill)",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address value [count]"
-#else
- "[.b, .w, .l] address value [count]"
-#endif
+ "[.b, .w, .l" HELP_Q "] address value [count]"
);
U_BOOT_CMD(
cp, 4, 1, do_mem_cp,
"memory copy",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] source target count"
-#else
- "[.b, .w, .l] source target count"
-#endif
+ "[.b, .w, .l" HELP_Q "] source target count"
);
U_BOOT_CMD(
cmp, 4, 1, do_mem_cmp,
"memory compare",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] addr1 addr2 count"
-#else
- "[.b, .w, .l] addr1 addr2 count"
-#endif
+ "[.b, .w, .l" HELP_Q "] addr1 addr2 count"
+);
+
+#ifdef CONFIG_CMD_MEM_SEARCH
+/**************************************************/
+U_BOOT_CMD(
+ ms, 255, 1, do_mem_search,
+ "memory search",
+ "[.b, .w, .l" HELP_Q ", .s] [-q | -<n>] address #-of-objects <value>..."
+ " -q = quiet, -l<val> = match limit"
);
+#endif
#ifdef CONFIG_CMD_CRC32
U_BOOT_CMD(
loop, 3, 1, do_mem_loop,
"infinite loop on address range",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address number_of_objects"
-#else
- "[.b, .w, .l] address number_of_objects"
-#endif
+ "[.b, .w, .l" HELP_Q "] address number_of_objects"
);
#ifdef CONFIG_LOOPW
U_BOOT_CMD(
loopw, 4, 1, do_mem_loopw,
"infinite write loop on address range",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address number_of_objects data_to_write"
-#else
- "[.b, .w, .l] address number_of_objects data_to_write"
-#endif
+ "[.b, .w, .l" HELP_Q "] address number_of_objects data_to_write"
);
#endif /* CONFIG_LOOPW */
U_BOOT_CMD(
mdc, 4, 1, do_mem_mdc,
"memory display cyclic",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address count delay(ms)"
-#else
- "[.b, .w, .l] address count delay(ms)"
-#endif
+ "[.b, .w, .l" HELP_Q "] address count delay(ms)"
);
U_BOOT_CMD(
mwc, 4, 1, do_mem_mwc,
"memory write cyclic",
-#ifdef MEM_SUPPORT_64BIT_DATA
- "[.b, .w, .l, .q] address value delay(ms)"
-#else
- "[.b, .w, .l] address value delay(ms)"
-#endif
+ "[.b, .w, .l" HELP_Q "] address value delay(ms)"
);
#endif /* CONFIG_CMD_MX_CYCLIC */