#ifdef CONFIG_KGDB_KDB
 static int gdbstub_read_wait(void)

I perfer

2010-06-26 



coffbeta 



发件人: Andy Shevchenko 
发送时间: 2010-06-17  17:37:40 
收件人: linux-kernel 
抄送: Andy Shevchenko; Jason Wessel; Martin Hicks; kgdb-bugreport 
主题: [PATCH] kgdb: remove custom hex_to_bin() implementation 
 
From: Andy Shevchenko <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>
Cc: Jason Wessel <[email protected]>
Cc: Martin Hicks <[email protected]>
Cc: [email protected]
---
 kernel/debug/gdbstub.c |   21 +++++----------------
 1 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
index 4b17b32..d721b1b 100644
--- a/kernel/debug/gdbstub.c
+++ b/kernel/debug/gdbstub.c
@@ -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;

-- 
1.6.3.3
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