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Date: Mon, 26 Jan 2015 22:49:56 +0530
From: Arjun Sreedharan <arjun024@...il.com>
To: David Howells <dhowells@...hat.com>
Cc: Koichi Yasutake <yasutake.koichi@...panasonic.com>,
linux-am33-list@...hat.com,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mn10300: remove redundant hex()
Ping !!
On 30 November 2014 at 16:29, Arjun Sreedharan <arjun024@...il.com> wrote:
> replace rendundant hex() with kernel's hex_to_bin()
>
> Signed-off-by: Arjun Sreedharan <arjun024@...il.com>
> ---
> arch/mn10300/kernel/gdb-stub.c | 61 ++++++++++++++++--------------------------
> 1 file changed, 23 insertions(+), 38 deletions(-)
>
> diff --git a/arch/mn10300/kernel/gdb-stub.c b/arch/mn10300/kernel/gdb-stub.c
> index a128c57..06adf39 100644
> --- a/arch/mn10300/kernel/gdb-stub.c
> +++ b/arch/mn10300/kernel/gdb-stub.c
> @@ -176,27 +176,12 @@ static struct gdbstub_bkpt gdbstub_bkpts[256];
> static void getpacket(char *buffer);
> static int putpacket(char *buffer);
> static int computeSignal(enum exception_code excep);
> -static int hex(unsigned char ch);
> static int hexToInt(char **ptr, int *intValue);
> static unsigned char *mem2hex(const void *mem, char *buf, int count,
> int may_fault);
> static const char *hex2mem(const char *buf, void *_mem, int count,
> int may_fault);
>
> -/*
> - * Convert ch from a hex digit to an int
> - */
> -static int hex(unsigned 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_GDBSTUB_DEBUGGING
>
> void debug_to_serial(const char *p, int n)
> @@ -283,12 +268,12 @@ static void getpacket(char *buffer)
> ret = gdbstub_io_rx_char(&ch, 0);
> if (ret < 0)
> error = ret;
> - xmitcsum = hex(ch) << 4;
> + xmitcsum = hex_to_bin(ch) << 4;
>
> ret = gdbstub_io_rx_char(&ch, 0);
> if (ret < 0)
> error = ret;
> - xmitcsum |= hex(ch);
> + xmitcsum |= hex_to_bin(ch);
>
> if (error) {
> if (error == -EIO)
> @@ -391,7 +376,7 @@ static int hexToInt(char **ptr, int *intValue)
> *intValue = 0;
>
> while (**ptr) {
> - hexValue = hex(**ptr);
> + hexValue = hex_to_bin(**ptr);
> if (hexValue < 0)
> break;
>
> @@ -857,8 +842,8 @@ const char *hex2mem(const char *buf, void *_mem, int count, int may_fault)
> } ch;
>
> if ((u32) mem & 1 && count >= 1) {
> - ch.b[0] = hex(*buf++) << 4;
> - ch.b[0] |= hex(*buf++);
> + ch.b[0] = hex_to_bin(*buf++) << 4;
> + ch.b[0] |= hex_to_bin(*buf++);
> if (gdbstub_write_byte(ch.val, mem) != 0)
> return 0;
> mem++;
> @@ -866,10 +851,10 @@ const char *hex2mem(const char *buf, void *_mem, int count, int may_fault)
> }
>
> if ((u32) mem & 3 && count >= 2) {
> - ch.b[0] = hex(*buf++) << 4;
> - ch.b[0] |= hex(*buf++);
> - ch.b[1] = hex(*buf++) << 4;
> - ch.b[1] |= hex(*buf++);
> + ch.b[0] = hex_to_bin(*buf++) << 4;
> + ch.b[0] |= hex_to_bin(*buf++);
> + ch.b[1] = hex_to_bin(*buf++) << 4;
> + ch.b[1] |= hex_to_bin(*buf++);
> if (gdbstub_write_word(ch.val, mem) != 0)
> return 0;
> mem += 2;
> @@ -877,14 +862,14 @@ const char *hex2mem(const char *buf, void *_mem, int count, int may_fault)
> }
>
> while (count >= 4) {
> - ch.b[0] = hex(*buf++) << 4;
> - ch.b[0] |= hex(*buf++);
> - ch.b[1] = hex(*buf++) << 4;
> - ch.b[1] |= hex(*buf++);
> - ch.b[2] = hex(*buf++) << 4;
> - ch.b[2] |= hex(*buf++);
> - ch.b[3] = hex(*buf++) << 4;
> - ch.b[3] |= hex(*buf++);
> + ch.b[0] = hex_to_bin(*buf++) << 4;
> + ch.b[0] |= hex_to_bin(*buf++);
> + ch.b[1] = hex_to_bin(*buf++) << 4;
> + ch.b[1] |= hex_to_bin(*buf++);
> + ch.b[2] = hex_to_bin(*buf++) << 4;
> + ch.b[2] |= hex_to_bin(*buf++);
> + ch.b[3] = hex_to_bin(*buf++) << 4;
> + ch.b[3] |= hex_to_bin(*buf++);
> if (gdbstub_write_dword(ch.val, mem) != 0)
> return 0;
> mem += 4;
> @@ -892,10 +877,10 @@ const char *hex2mem(const char *buf, void *_mem, int count, int may_fault)
> }
>
> if (count >= 2) {
> - ch.b[0] = hex(*buf++) << 4;
> - ch.b[0] |= hex(*buf++);
> - ch.b[1] = hex(*buf++) << 4;
> - ch.b[1] |= hex(*buf++);
> + ch.b[0] = hex_to_bin(*buf++) << 4;
> + ch.b[0] |= hex_to_bin(*buf++);
> + ch.b[1] = hex_to_bin(*buf++) << 4;
> + ch.b[1] |= hex_to_bin(*buf++);
> if (gdbstub_write_word(ch.val, mem) != 0)
> return 0;
> mem += 2;
> @@ -903,8 +888,8 @@ const char *hex2mem(const char *buf, void *_mem, int count, int may_fault)
> }
>
> if (count >= 1) {
> - ch.b[0] = hex(*buf++) << 4;
> - ch.b[0] |= hex(*buf++);
> + ch.b[0] = hex_to_bin(*buf++) << 4;
> + ch.b[0] |= hex_to_bin(*buf++);
> if (gdbstub_write_byte(ch.val, mem) != 0)
> return 0;
> }
> --
> 1.7.11.7
>
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