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qi-add-hex-sprintf-type-functions.patch

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We need to print hex into string buffers now, only in
phase 2

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green 2009-02-03 18:06:37 +00:00 committed by Andy Green
parent dd2344a9c7
commit 72ecb60392
2 changed files with 27 additions and 0 deletions
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4
qiboot/include/qi.h
View File

@ -126,6 +126,10 @@ void printdec(int n);
void hexdump(unsigned char *start, int len); void hexdump(unsigned char *start, int len);
void udelay(int n); void udelay(int n);
/* phase2 only */
void setnybble(char *p, unsigned char n);
void set8(char *p, unsigned char n);
void set32(char *p, unsigned int u);
unsigned long crc32(unsigned long crc, const unsigned char *buf, unsigned long crc32(unsigned long crc, const unsigned char *buf,
unsigned int len); unsigned int len);

23
qiboot/src/utils-phase2.c
View File

@ -109,3 +109,26 @@ void hexdump(unsigned char *start, int len)
len -= 16; len -= 16;
} }
} }
void setnybble(char *p, unsigned char n)
{
if (n < 10)
*p = '0' + n;
else
*p = 'a' + n - 10;
}
void set8(char *p, unsigned char n)
{
setnybble(p, (n >> 4) & 15);
setnybble(p + 1, n & 15);
}
void set32(char *p, unsigned int u)
{
set8(p, u >> 24);
set8(p + 2, u >> 16);
set8(p + 4, u >> 8);
set8(p + 6, u);
}