upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
341 lines
6.5 KiB
341 lines
6.5 KiB
/*
|
|
* linux/lib/vsprintf.c
|
|
*
|
|
* Copyright (C) 1991, 1992 Linus Torvalds
|
|
*/
|
|
|
|
/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
|
|
/*
|
|
* Wirzenius wrote this portably, Torvalds fucked it up :-)
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <linux/types.h>
|
|
#include <linux/string.h>
|
|
#include <linux/ctype.h>
|
|
|
|
#include <common.h>
|
|
#if !defined (CONFIG_PANIC_HANG)
|
|
#include <command.h>
|
|
#include <cmd_boot.h> /* for do_reset() prototype */
|
|
#endif
|
|
|
|
unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
|
|
{
|
|
unsigned long result = 0,value;
|
|
|
|
if (*cp == '0') {
|
|
cp++;
|
|
if ((*cp == 'x') && isxdigit(cp[1])) {
|
|
base = 16;
|
|
cp++;
|
|
}
|
|
if (!base) {
|
|
base = 8;
|
|
}
|
|
}
|
|
if (!base) {
|
|
base = 10;
|
|
}
|
|
while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
|
|
? toupper(*cp) : *cp)-'A'+10) < base) {
|
|
result = result*base + value;
|
|
cp++;
|
|
}
|
|
if (endp)
|
|
*endp = (char *)cp;
|
|
return result;
|
|
}
|
|
|
|
long simple_strtol(const char *cp,char **endp,unsigned int base)
|
|
{
|
|
if(*cp=='-')
|
|
return -simple_strtoul(cp+1,endp,base);
|
|
return simple_strtoul(cp,endp,base);
|
|
}
|
|
|
|
/* we use this so that we can do without the ctype library */
|
|
#define is_digit(c) ((c) >= '0' && (c) <= '9')
|
|
|
|
static int skip_atoi(const char **s)
|
|
{
|
|
int i=0;
|
|
|
|
while (is_digit(**s))
|
|
i = i*10 + *((*s)++) - '0';
|
|
return i;
|
|
}
|
|
|
|
#define ZEROPAD 1 /* pad with zero */
|
|
#define SIGN 2 /* unsigned/signed long */
|
|
#define PLUS 4 /* show plus */
|
|
#define SPACE 8 /* space if plus */
|
|
#define LEFT 16 /* left justified */
|
|
#define SPECIAL 32 /* 0x */
|
|
#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
|
|
|
|
#define do_div(n,base) ({ \
|
|
int __res; \
|
|
__res = ((unsigned long) n) % (unsigned) base; \
|
|
n = ((unsigned long) n) / (unsigned) base; \
|
|
__res; })
|
|
|
|
static char * number(char * str, long num, int base, int size, int precision
|
|
,int type)
|
|
{
|
|
char c,sign,tmp[66];
|
|
const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
|
|
int i;
|
|
|
|
if (type & LARGE)
|
|
digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
if (type & LEFT)
|
|
type &= ~ZEROPAD;
|
|
if (base < 2 || base > 36)
|
|
return 0;
|
|
c = (type & ZEROPAD) ? '0' : ' ';
|
|
sign = 0;
|
|
if (type & SIGN) {
|
|
if (num < 0) {
|
|
sign = '-';
|
|
num = -num;
|
|
size--;
|
|
} else if (type & PLUS) {
|
|
sign = '+';
|
|
size--;
|
|
} else if (type & SPACE) {
|
|
sign = ' ';
|
|
size--;
|
|
}
|
|
}
|
|
if (type & SPECIAL) {
|
|
if (base == 16)
|
|
size -= 2;
|
|
else if (base == 8)
|
|
size--;
|
|
}
|
|
i = 0;
|
|
if (num == 0)
|
|
tmp[i++]='0';
|
|
else while (num != 0)
|
|
tmp[i++] = digits[do_div(num,base)];
|
|
if (i > precision)
|
|
precision = i;
|
|
size -= precision;
|
|
if (!(type&(ZEROPAD+LEFT)))
|
|
while(size-->0)
|
|
*str++ = ' ';
|
|
if (sign)
|
|
*str++ = sign;
|
|
if (type & SPECIAL) {
|
|
if (base==8)
|
|
*str++ = '0';
|
|
else if (base==16) {
|
|
*str++ = '0';
|
|
*str++ = digits[33];
|
|
}
|
|
}
|
|
if (!(type & LEFT))
|
|
while (size-- > 0)
|
|
*str++ = c;
|
|
while (i < precision--)
|
|
*str++ = '0';
|
|
while (i-- > 0)
|
|
*str++ = tmp[i];
|
|
while (size-- > 0)
|
|
*str++ = ' ';
|
|
return str;
|
|
}
|
|
|
|
/* Forward decl. needed for IP address printing stuff... */
|
|
int sprintf(char * buf, const char *fmt, ...);
|
|
|
|
int vsprintf(char *buf, const char *fmt, va_list args)
|
|
{
|
|
int len;
|
|
unsigned long num;
|
|
int i, base;
|
|
char * str;
|
|
const char *s;
|
|
|
|
int flags; /* flags to number() */
|
|
|
|
int field_width; /* width of output field */
|
|
int precision; /* min. # of digits for integers; max
|
|
number of chars for from string */
|
|
int qualifier; /* 'h', 'l', or 'L' for integer fields */
|
|
|
|
for (str=buf ; *fmt ; ++fmt) {
|
|
if (*fmt != '%') {
|
|
*str++ = *fmt;
|
|
continue;
|
|
}
|
|
|
|
/* process flags */
|
|
flags = 0;
|
|
repeat:
|
|
++fmt; /* this also skips first '%' */
|
|
switch (*fmt) {
|
|
case '-': flags |= LEFT; goto repeat;
|
|
case '+': flags |= PLUS; goto repeat;
|
|
case ' ': flags |= SPACE; goto repeat;
|
|
case '#': flags |= SPECIAL; goto repeat;
|
|
case '0': flags |= ZEROPAD; goto repeat;
|
|
}
|
|
|
|
/* get field width */
|
|
field_width = -1;
|
|
if (is_digit(*fmt))
|
|
field_width = skip_atoi(&fmt);
|
|
else if (*fmt == '*') {
|
|
++fmt;
|
|
/* it's the next argument */
|
|
field_width = va_arg(args, int);
|
|
if (field_width < 0) {
|
|
field_width = -field_width;
|
|
flags |= LEFT;
|
|
}
|
|
}
|
|
|
|
/* get the precision */
|
|
precision = -1;
|
|
if (*fmt == '.') {
|
|
++fmt;
|
|
if (is_digit(*fmt))
|
|
precision = skip_atoi(&fmt);
|
|
else if (*fmt == '*') {
|
|
++fmt;
|
|
/* it's the next argument */
|
|
precision = va_arg(args, int);
|
|
}
|
|
if (precision < 0)
|
|
precision = 0;
|
|
}
|
|
|
|
/* get the conversion qualifier */
|
|
qualifier = -1;
|
|
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
|
|
qualifier = *fmt;
|
|
++fmt;
|
|
}
|
|
|
|
/* default base */
|
|
base = 10;
|
|
|
|
switch (*fmt) {
|
|
case 'c':
|
|
if (!(flags & LEFT))
|
|
while (--field_width > 0)
|
|
*str++ = ' ';
|
|
*str++ = (unsigned char) va_arg(args, int);
|
|
while (--field_width > 0)
|
|
*str++ = ' ';
|
|
continue;
|
|
|
|
case 's':
|
|
s = va_arg(args, char *);
|
|
if (!s)
|
|
s = "<NULL>";
|
|
|
|
len = strnlen(s, precision);
|
|
|
|
if (!(flags & LEFT))
|
|
while (len < field_width--)
|
|
*str++ = ' ';
|
|
for (i = 0; i < len; ++i)
|
|
*str++ = *s++;
|
|
while (len < field_width--)
|
|
*str++ = ' ';
|
|
continue;
|
|
|
|
case 'p':
|
|
if (field_width == -1) {
|
|
field_width = 2*sizeof(void *);
|
|
flags |= ZEROPAD;
|
|
}
|
|
str = number(str,
|
|
(unsigned long) va_arg(args, void *), 16,
|
|
field_width, precision, flags);
|
|
continue;
|
|
|
|
|
|
case 'n':
|
|
if (qualifier == 'l') {
|
|
long * ip = va_arg(args, long *);
|
|
*ip = (str - buf);
|
|
} else {
|
|
int * ip = va_arg(args, int *);
|
|
*ip = (str - buf);
|
|
}
|
|
continue;
|
|
|
|
case '%':
|
|
*str++ = '%';
|
|
continue;
|
|
|
|
/* integer number formats - set up the flags and "break" */
|
|
case 'o':
|
|
base = 8;
|
|
break;
|
|
|
|
case 'X':
|
|
flags |= LARGE;
|
|
case 'x':
|
|
base = 16;
|
|
break;
|
|
|
|
case 'd':
|
|
case 'i':
|
|
flags |= SIGN;
|
|
case 'u':
|
|
break;
|
|
|
|
default:
|
|
*str++ = '%';
|
|
if (*fmt)
|
|
*str++ = *fmt;
|
|
else
|
|
--fmt;
|
|
continue;
|
|
}
|
|
if (qualifier == 'l')
|
|
num = va_arg(args, unsigned long);
|
|
else if (qualifier == 'h') {
|
|
num = (unsigned short) va_arg(args, int);
|
|
if (flags & SIGN)
|
|
num = (short) num;
|
|
} else if (flags & SIGN)
|
|
num = va_arg(args, int);
|
|
else
|
|
num = va_arg(args, unsigned int);
|
|
str = number(str, num, base, field_width, precision, flags);
|
|
}
|
|
*str = '\0';
|
|
return str-buf;
|
|
}
|
|
|
|
int sprintf(char * buf, const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
int i;
|
|
|
|
va_start(args, fmt);
|
|
i=vsprintf(buf,fmt,args);
|
|
va_end(args);
|
|
return i;
|
|
}
|
|
|
|
void panic(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
vprintf(fmt, args);
|
|
putc('\n');
|
|
va_end(args);
|
|
#if defined (CONFIG_PANIC_HANG)
|
|
hang();
|
|
#else
|
|
udelay (100000); /* allow messages to go out */
|
|
do_reset (NULL, 0, 0, NULL);
|
|
#endif
|
|
}
|
|
|