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kgdb: remove custom hex_to_bin()implementation 

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Andy Shevchenko 2010-08-05 09:22:19 -05:00 committed by Jason Wessel
parent 9fe6206f40
commit a9fa20a7af
1 changed files with 5 additions and 16 deletions
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21
kernel/debug/gdbstub.c
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@ -52,17 +52,6 @@ static unsigned long gdb_regs[(NUMREGBYTES +
* GDB remote protocol parser:
*/
static int hex(char ch)
{
if ((ch >= 'a') && (ch <= 'f'))
return ch - 'a' + 10;
if ((ch >= '0') && (ch <= '9'))
return ch - '0';
if ((ch >= 'A') && (ch <= 'F'))
return ch - 'A' + 10;
return -1;
}
#ifdef CONFIG_KGDB_KDB
static int gdbstub_read_wait(void)
{
@ -123,8 +112,8 @@ static void get_packet(char *buffer)
buffer[count] = 0;
if (ch == '#') {
xmitcsum = hex(gdbstub_read_wait()) << 4;
xmitcsum += hex(gdbstub_read_wait());
xmitcsum = hex_to_bin(gdbstub_read_wait()) << 4;
xmitcsum += hex_to_bin(gdbstub_read_wait());
if (checksum != xmitcsum)
/* failed checksum */
@ -280,8 +269,8 @@ int kgdb_hex2mem(char *buf, char *mem, int count)
tmp_hex = tmp_raw - 1;
while (tmp_hex >= buf) {
tmp_raw--;
*tmp_raw = hex(*tmp_hex--);
*tmp_raw |= hex(*tmp_hex--) << 4;
*tmp_raw = hex_to_bin(*tmp_hex--);
*tmp_raw |= hex_to_bin(*tmp_hex--) << 4;
}
return probe_kernel_write(mem, tmp_raw, count);
@ -304,7 +293,7 @@ int kgdb_hex2long(char **ptr, unsigned long *long_val)
(*ptr)++;
}
while (**ptr) {
hex_val = hex(**ptr);
hex_val = hex_to_bin(**ptr);
if (hex_val < 0)
break;