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