sh: kgdb stub cleanups.

Some kgdb cleanup. Move hexchars/highhex/lowhex to the header, so it can
be reused by sh-sci. Also drop silly ctrl_inl/outl() overloading being
done by the kgdb stub.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/asm-sh/kgdb.h b/include/asm-sh/kgdb.h
index 1653ffb75fbe..7b26f53fe343 100644
--- a/include/asm-sh/kgdb.h
+++ b/include/asm-sh/kgdb.h
@@ -128,4 +128,19 @@ extern int     setjmp(jmp_buf __jmpb);
 #define KGDB_ASSERT(condition, message)
 #endif
 
+/* Taken from sh-stub.c of GDB 4.18 */
+static const char hexchars[] = "0123456789abcdef";
+
+/* Get high hex bits */
+static inline char highhex(const int x)
+{
+        return hexchars[(x >> 4) & 0xf];
+}
+
+/* Get low hex bits */
+static inline char lowhex(const int x)
+{
+        return hexchars[x & 0xf];
+}
+
 #endif