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https://github.com/AsahiLinux/u-boot
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d179018e4c
Function print_size() round size to the nearst value with one decimal fraction number. But in special cases also unit order may overflow. For example value 1073689396 is printed as "1024 MiB" and value 1073741824 as "1 GiB". Fix this issue by detecting order overflow and increasing unit order. With this change also value 1073689396 is printed as "1 GiB". Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Simon Glass <sjg@chromium.org>
242 lines
5.1 KiB
C
242 lines
5.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000-2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <common.h>
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#include <compiler.h>
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#include <console.h>
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#include <display_options.h>
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#include <div64.h>
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#include <version_string.h>
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#include <linux/ctype.h>
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#include <asm/io.h>
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char *display_options_get_banner_priv(bool newlines, const char *build_tag,
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char *buf, int size)
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{
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int len;
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len = snprintf(buf, size, "%s%s", newlines ? "\n\n" : "",
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version_string);
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if (build_tag && len < size)
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len += snprintf(buf + len, size - len, ", Build: %s",
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build_tag);
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if (len > size - 3)
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len = size - 3;
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if (len < 0)
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len = 0;
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snprintf(buf + len, size - len, "\n\n");
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return buf;
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}
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#ifndef BUILD_TAG
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#define BUILD_TAG NULL
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#endif
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char *display_options_get_banner(bool newlines, char *buf, int size)
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{
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return display_options_get_banner_priv(newlines, BUILD_TAG, buf, size);
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}
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int display_options(void)
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{
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char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
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display_options_get_banner(true, buf, sizeof(buf));
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printf("%s", buf);
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return 0;
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}
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void print_freq(uint64_t freq, const char *s)
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{
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unsigned long m = 0;
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uint32_t f;
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static const char names[] = {'G', 'M', 'k'};
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unsigned long d = 1e9;
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char c = 0;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(names); i++, d /= 1000) {
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if (freq >= d) {
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c = names[i];
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break;
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}
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}
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if (!c) {
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printf("%llu Hz%s", freq, s);
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return;
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}
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f = do_div(freq, d);
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/* If there's a remainder, show the first few digits */
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if (f) {
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m = f;
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while (m > 1000)
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m /= 10;
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while (m && !(m % 10))
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m /= 10;
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if (m >= 100)
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m = (m / 10) + (m % 100 >= 50);
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}
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printf("%lu", (unsigned long) freq);
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if (m)
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printf(".%ld", m);
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printf(" %cHz%s", c, s);
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}
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void print_size(uint64_t size, const char *s)
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{
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unsigned long m = 0, n;
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uint64_t f;
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static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'};
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unsigned long d = 10 * ARRAY_SIZE(names);
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char c = 0;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) {
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if (size >> d) {
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c = names[i];
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break;
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}
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}
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if (!c) {
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/*
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* SPL tiny-printf is not capable for printing uint64_t.
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* We have just checked that the size is small enought to fit
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* unsigned int safely.
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*/
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printf("%u Bytes%s", (unsigned int)size, s);
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return;
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}
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n = size >> d;
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f = size & ((1ULL << d) - 1);
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/* If there's a remainder, deal with it */
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if (f) {
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m = (10ULL * f + (1ULL << (d - 1))) >> d;
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if (m >= 10) {
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m -= 10;
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n += 1;
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if (n == 1024 && i > 0) {
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n = 1;
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m = 0;
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c = names[i - 1];
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}
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}
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}
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printf ("%lu", n);
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if (m) {
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printf (".%ld", m);
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}
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printf (" %ciB%s", c, s);
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}
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#define MAX_LINE_LENGTH_BYTES 64
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#define DEFAULT_LINE_LENGTH_BYTES 16
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int hexdump_line(ulong addr, const void *data, uint width, uint count,
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uint linelen, char *out, int size)
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{
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/* linebuf as a union causes proper alignment */
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union linebuf {
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uint64_t uq[MAX_LINE_LENGTH_BYTES/sizeof(uint64_t) + 1];
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uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1];
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uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1];
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uint8_t uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1];
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} lb;
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uint thislinelen;
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int i;
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ulong x;
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if (linelen * width > MAX_LINE_LENGTH_BYTES)
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linelen = MAX_LINE_LENGTH_BYTES / width;
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if (linelen < 1)
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linelen = DEFAULT_LINE_LENGTH_BYTES / width;
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/*
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* Check the size here so that we don't need to use snprintf(). This
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* helps to reduce code size
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*/
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if (size < HEXDUMP_MAX_BUF_LENGTH(linelen * width))
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return -ENOSPC;
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thislinelen = linelen;
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out += sprintf(out, "%08lx:", addr);
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/* check for overflow condition */
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if (count < thislinelen)
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thislinelen = count;
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/* Copy from memory into linebuf and print hex values */
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for (i = 0; i < thislinelen; i++) {
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if (width == 4)
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x = lb.ui[i] = *(volatile uint32_t *)data;
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else if (MEM_SUPPORT_64BIT_DATA && width == 8)
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x = lb.uq[i] = *(volatile ulong *)data;
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else if (width == 2)
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x = lb.us[i] = *(volatile uint16_t *)data;
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else
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x = lb.uc[i] = *(volatile uint8_t *)data;
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if (CONFIG_IS_ENABLED(USE_TINY_PRINTF))
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out += sprintf(out, " %x", (uint)x);
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else
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out += sprintf(out, " %0*lx", width * 2, x);
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data += width;
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}
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/* fill line with whitespace for nice ASCII print */
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for (i = 0; i < (linelen - thislinelen) * (width * 2 + 1); i++)
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*out++ = ' ';
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/* Print data in ASCII characters */
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for (i = 0; i < thislinelen * width; i++) {
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if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80)
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lb.uc[i] = '.';
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}
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lb.uc[i] = '\0';
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out += sprintf(out, " %s", lb.uc);
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return thislinelen;
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}
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int print_buffer(ulong addr, const void *data, uint width, uint count,
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uint linelen)
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{
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if (linelen*width > MAX_LINE_LENGTH_BYTES)
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linelen = MAX_LINE_LENGTH_BYTES / width;
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if (linelen < 1)
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linelen = DEFAULT_LINE_LENGTH_BYTES / width;
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while (count) {
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uint thislinelen;
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char buf[HEXDUMP_MAX_BUF_LENGTH(width * linelen)];
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thislinelen = hexdump_line(addr, data, width, count, linelen,
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buf, sizeof(buf));
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assert(thislinelen >= 0);
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puts(buf);
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putc('\n');
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/* update references */
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data += thislinelen * width;
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addr += thislinelen * width;
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count -= thislinelen;
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if (!IS_ENABLED(CONFIG_SPL_BUILD) && ctrlc())
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return -EINTR;
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}
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return 0;
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}
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