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fdt: Limit printed hex in fdt print and list commands 

Prevent printing the entire image in a itb. It is most likely unhelpful
to have the hex of the entire image scroll for minutes on your slow
serial console.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger 2012-08-17 10:34:36 +00:00 committed by Gerald Van Baren
parent 367e125976
commit f0a29d4331
1 changed files with 22 additions and 10 deletions
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16
common/cmd_fdt.c
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@ -35,6 +35,9 @@
#define MAX_LEVEL 32 /* how deeply nested we will go */ #define MAX_LEVEL 32 /* how deeply nested we will go */
#define SCRATCHPAD 1024 /* bytes of scratchpad memory */ #define SCRATCHPAD 1024 /* bytes of scratchpad memory */
#ifndef CONFIG_CMD_FDT_MAX_DUMP
#define CONFIG_CMD_FDT_MAX_DUMP 64
#endif
/* /*
* Global data (for the gd->bd) * Global data (for the gd->bd)
@ -672,13 +675,21 @@ static void print_data(const void *data, int len)
} }
if ((len %4) == 0) { if ((len %4) == 0) {
if (len > CONFIG_CMD_FDT_MAX_DUMP)
printf("* 0x%08x [0x%08x]", (unsigned int)data, len);
else {
const u32 *p; const u32 *p;
printf("<"); printf("<");
for (j = 0, p = data; j < len/4; j ++) for (j = 0, p = data; j < len/4; j++)
printf("0x%x%s", fdt32_to_cpu(p[j]), j < (len/4 - 1) ? " " : ""); printf("0x%08x%s", fdt32_to_cpu(p[j]),
j < (len/4 - 1) ? " " : "");
printf(">"); printf(">");
}
} else { /* anything else... hexdump */ } else { /* anything else... hexdump */
if (len > CONFIG_CMD_FDT_MAX_DUMP)
printf("* 0x%08x [0x%08x]", (unsigned int)data, len);
else {
const u8 *s; const u8 *s;
printf("["); printf("[");
@ -686,6 +697,7 @@ static void print_data(const void *data, int len)
printf("%02x%s", s[j], j < len - 1 ? " " : ""); printf("%02x%s", s[j], j < len - 1 ? " " : "");
printf("]"); printf("]");
} }
}
} }
/****************************************************************************/ /****************************************************************************/