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lib: create common ascii hex array

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Add a common hex array in hexdump.c so everyone can use it.

Add a common hi/lo helper to avoid the shifting masking that is
done to get the upper and lower nibbles of a byte value.

Pull the pack_hex_byte helper from kgdb as it is opencoded many
places in the tree that will be consolidated.

Signed-off-by: Harvey Harrison <[email protected]>
Acked-by: Paul Mundt <[email protected]>
Cc: Jason Wessel <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Harvey Harrison 2008-05-14 16:05:49 -07:00 • committed by Linus Torvalds
commit 3fc957721d
5 changed files with 20 additions and 23 deletions
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8
arch/sh/kernel/kgdb_stub.c
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@ -330,14 +330,6 @@ static char *ebin_to_mem(const char *buf, char *mem, int count)
return mem;
}
/* Pack a hex byte */
static char *pack_hex_byte(char *pkt, int byte)
{
*pkt++ = hexchars[(byte >> 4) & 0xf];
*pkt++ = hexchars[(byte & 0xf)];
return pkt;
}
/* Scan for the start char '$', read the packet and check the checksum */
static void get_packet(char *buffer, int buflen)
{