[PATCH 3/6] cmd: mem: Drop #ifdef for MEM_SUPPORT_64BIT_DATA

Stefan Roese sr at denx.de
Wed Jun 3 07:57:52 CEST 2020


On 03.06.20 03:26, Simon Glass wrote:
> This is defined only when __lp64__ is defined. That means that ulong is
> 64 bits long. Therefore we don't need to use a separate u64 type on those
> architectures.
> 
> Fix up the code to take advantage of that, removing the preprocessor
> conditions.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Stefan Roese <sr at denx.de>

Thanks,
Stefan

> ---
> 
>   cmd/mem.c | 117 ++++++++++++++++++------------------------------------
>   1 file changed, 38 insertions(+), 79 deletions(-)
> 
> diff --git a/cmd/mem.c b/cmd/mem.c
> index da02bbce95..9ab6b1dd08 100644
> --- a/cmd/mem.c
> +++ b/cmd/mem.c
> @@ -34,9 +34,11 @@ DECLARE_GLOBAL_DATA_PTR;
>   #endif
>   
>   /* Create a compile-time value */
> -#if MEM_SUPPORT_64BIT_DATA
> +#ifdef MEM_SUPPORT_64BIT_DATA
> +#define SUPPORT_64BIT_DATA 1
>   #define HELP_Q ", .q"
>   #else
> +#define SUPPORT_64BIT_DATA 0
>   #define HELP_Q ""
>   #endif
>   
> @@ -123,11 +125,7 @@ static int do_mem_nm(struct cmd_tbl *cmdtp, int flag, int argc,
>   static int do_mem_mw(struct cmd_tbl *cmdtp, int flag, int argc,
>   		     char *const argv[])
>   {
> -#if MEM_SUPPORT_64BIT_DATA
> -	u64 writeval;
> -#else
> -	ulong writeval;
> -#endif
> +	ulong writeval;  /* 64-bit if SUPPORT_64BIT_DATA */
>   	ulong	addr, count;
>   	int	size;
>   	void *buf, *start;
> @@ -148,11 +146,10 @@ static int do_mem_mw(struct cmd_tbl *cmdtp, int flag, int argc,
>   
>   	/* Get the value to write.
>   	*/
> -#if MEM_SUPPORT_64BIT_DATA
> -	writeval = simple_strtoull(argv[2], NULL, 16);
> -#else
> -	writeval = simple_strtoul(argv[2], NULL, 16);
> -#endif
> +	if (SUPPORT_64BIT_DATA)
> +		writeval = simple_strtoull(argv[2], NULL, 16);
> +	else
> +		writeval = simple_strtoul(argv[2], NULL, 16);
>   
>   	/* Count ? */
>   	if (argc == 4) {
> @@ -167,10 +164,8 @@ static int do_mem_mw(struct cmd_tbl *cmdtp, int flag, int argc,
>   	while (count-- > 0) {
>   		if (size == 4)
>   			*((u32 *)buf) = (u32)writeval;
> -#if MEM_SUPPORT_64BIT_DATA
> -		else if (size == 8)
> -			*((u64 *)buf) = (u64)writeval;
> -#endif
> +		else if (SUPPORT_64BIT_DATA && size == 8)
> +			*((ulong *)buf) = writeval;
>   		else if (size == 2)
>   			*((u16 *)buf) = (u16)writeval;
>   		else
> @@ -247,11 +242,7 @@ static int do_mem_cmp(struct cmd_tbl *cmdtp, int flag, int argc,
>   	int     rcode = 0;
>   	const char *type;
>   	const void *buf1, *buf2, *base;
> -#if MEM_SUPPORT_64BIT_DATA
> -	u64 word1, word2;
> -#else
> -	ulong word1, word2;
> -#endif
> +	ulong word1, word2;  /* 64-bit if SUPPORT_64BIT_DATA */
>   
>   	if (argc != 4)
>   		return CMD_RET_USAGE;
> @@ -279,11 +270,9 @@ static int do_mem_cmp(struct cmd_tbl *cmdtp, int flag, int argc,
>   		if (size == 4) {
>   			word1 = *(u32 *)buf1;
>   			word2 = *(u32 *)buf2;
> -#if MEM_SUPPORT_64BIT_DATA
> -		} else if (size == 8) {
> -			word1 = *(u64 *)buf1;
> -			word2 = *(u64 *)buf2;
> -#endif
> +		} else if (SUPPORT_64BIT_DATA && size == 8) {
> +			word1 = *(ulong *)buf1;
> +			word2 = *(ulong *)buf2;
>   		} else if (size == 2) {
>   			word1 = *(u16 *)buf1;
>   			word2 = *(u16 *)buf2;
> @@ -293,15 +282,9 @@ static int do_mem_cmp(struct cmd_tbl *cmdtp, int flag, int argc,
>   		}
>   		if (word1 != word2) {
>   			ulong offset = buf1 - base;
> -#if MEM_SUPPORT_64BIT_DATA
> -			printf("%s at 0x%p (%#0*llx) != %s at 0x%p (%#0*llx)\n",
> -			       type, (void *)(addr1 + offset), size, word1,
> -			       type, (void *)(addr2 + offset), size, word2);
> -#else
>   			printf("%s at 0x%08lx (%#0*lx) != %s at 0x%08lx (%#0*lx)\n",
>   				type, (ulong)(addr1 + offset), size, word1,
>   				type, (ulong)(addr2 + offset), size, word2);
> -#endif
>   			rcode = 1;
>   			break;
>   		}
> @@ -398,9 +381,7 @@ static int do_mem_loop(struct cmd_tbl *cmdtp, int flag, int argc,
>   {
>   	ulong	addr, length, i, bytes;
>   	int	size;
> -#if MEM_SUPPORT_64BIT_DATA
> -	volatile u64 *llp;
> -#endif
> +	volatile ulong *llp;  /* 64-bit if SUPPORT_64BIT_DATA */
>   	volatile u32 *longp;
>   	volatile u16 *shortp;
>   	volatile u8 *cp;
> @@ -431,13 +412,11 @@ static int do_mem_loop(struct cmd_tbl *cmdtp, int flag, int argc,
>   	 * If we have only one object, just run infinite loops.
>   	 */
>   	if (length == 1) {
> -#if MEM_SUPPORT_64BIT_DATA
> -		if (size == 8) {
> -			llp = (u64 *)buf;
> +		if (SUPPORT_64BIT_DATA && size == 8) {
> +			llp = (ulong *)buf;
>   			for (;;)
>   				i = *llp;
>   		}
> -#endif
>   		if (size == 4) {
>   			longp = (u32 *)buf;
>   			for (;;)
> @@ -453,16 +432,14 @@ static int do_mem_loop(struct cmd_tbl *cmdtp, int flag, int argc,
>   			i = *cp;
>   	}
>   
> -#if MEM_SUPPORT_64BIT_DATA
> -	if (size == 8) {
> +	if (SUPPORT_64BIT_DATA && size == 8) {
>   		for (;;) {
> -			llp = (u64 *)buf;
> +			llp = (ulong *)buf;
>   			i = length;
>   			while (i-- > 0)
>   				*llp++;
>   		}
>   	}
> -#endif
>   	if (size == 4) {
>   		for (;;) {
>   			longp = (u32 *)buf;
> @@ -496,12 +473,8 @@ static int do_mem_loopw(struct cmd_tbl *cmdtp, int flag, int argc,
>   {
>   	ulong	addr, length, i, bytes;
>   	int	size;
> -#if MEM_SUPPORT_64BIT_DATA
> -	volatile u64 *llp;
> -	u64 data;
> -#else
> -	ulong	data;
> -#endif
> +	volatile ulong *llp;  /* 64-bit if SUPPORT_64BIT_DATA */
> +	ulong	data;    /* 64-bit if SUPPORT_64BIT_DATA */
>   	volatile u32 *longp;
>   	volatile u16 *shortp;
>   	volatile u8 *cp;
> @@ -526,11 +499,10 @@ static int do_mem_loopw(struct cmd_tbl *cmdtp, int flag, int argc,
>   	length = simple_strtoul(argv[2], NULL, 16);
>   
>   	/* data to write */
> -#if MEM_SUPPORT_64BIT_DATA
> -	data = simple_strtoull(argv[3], NULL, 16);
> -#else
> -	data = simple_strtoul(argv[3], NULL, 16);
> -#endif
> +	if (SUPPORT_64BIT_DATA)
> +		data = simple_strtoull(argv[3], NULL, 16);
> +	else
> +		data = simple_strtoul(argv[3], NULL, 16);
>   
>   	bytes = size * length;
>   	buf = map_sysmem(addr, bytes);
> @@ -539,13 +511,11 @@ static int do_mem_loopw(struct cmd_tbl *cmdtp, int flag, int argc,
>   	 * If we have only one object, just run infinite loops.
>   	 */
>   	if (length == 1) {
> -#if MEM_SUPPORT_64BIT_DATA
> -		if (size == 8) {
> -			llp = (u64 *)buf;
> +		if (SUPPORT_64BIT_DATA && size == 8) {
> +			llp = (ulong *)buf;
>   			for (;;)
>   				*llp = data;
>   		}
> -#endif
>   		if (size == 4) {
>   			longp = (u32 *)buf;
>   			for (;;)
> @@ -561,16 +531,14 @@ static int do_mem_loopw(struct cmd_tbl *cmdtp, int flag, int argc,
>   			*cp = data;
>   	}
>   
> -#if MEM_SUPPORT_64BIT_DATA
> -	if (size == 8) {
> +	if (SUPPORT_64BIT_DATA && size == 8) {
>   		for (;;) {
> -			llp = (u64 *)buf;
> +			llp = (ulong *)buf;
>   			i = length;
>   			while (i-- > 0)
>   				*llp++ = data;
>   		}
>   	}
> -#endif
>   	if (size == 4) {
>   		for (;;) {
>   			longp = (u32 *)buf;
> @@ -1029,11 +997,7 @@ mod_mem(struct cmd_tbl *cmdtp, int incrflag, int flag, int argc,
>   	char *const argv[])
>   {
>   	ulong	addr;
> -#if MEM_SUPPORT_64BIT_DATA
> -	u64 i;
> -#else
> -	ulong i;
> -#endif
> +	ulong i;  /* 64-bit if SUPPORT_64BIT_DATA */
>   	int	nbytes, size;
>   	void *ptr = NULL;
>   
> @@ -1068,10 +1032,8 @@ mod_mem(struct cmd_tbl *cmdtp, int incrflag, int flag, int argc,
>   		printf("%08lx:", addr);
>   		if (size == 4)
>   			printf(" %08x", *((u32 *)ptr));
> -#if MEM_SUPPORT_64BIT_DATA
> -		else if (size == 8)
> -			printf(" %016llx", *((u64 *)ptr));
> -#endif
> +		else if (SUPPORT_64BIT_DATA && size == 8)
> +			printf(" %0lx", *((ulong *)ptr));
>   		else if (size == 2)
>   			printf(" %04x", *((u16 *)ptr));
>   		else
> @@ -1095,11 +1057,10 @@ mod_mem(struct cmd_tbl *cmdtp, int incrflag, int flag, int argc,
>   #endif
>   		else {
>   			char *endp;
> -#if MEM_SUPPORT_64BIT_DATA
> -			i = simple_strtoull(console_buffer, &endp, 16);
> -#else
> -			i = simple_strtoul(console_buffer, &endp, 16);
> -#endif
> +			if (SUPPORT_64BIT_DATA)
> +				i = simple_strtoull(console_buffer, &endp, 16);
> +			else
> +				i = simple_strtoul(console_buffer, &endp, 16);
>   			nbytes = endp - console_buffer;
>   			if (nbytes) {
>   				/* good enough to not time out
> @@ -1107,10 +1068,8 @@ mod_mem(struct cmd_tbl *cmdtp, int incrflag, int flag, int argc,
>   				bootretry_reset_cmd_timeout();
>   				if (size == 4)
>   					*((u32 *)ptr) = i;
> -#if MEM_SUPPORT_64BIT_DATA
> -				else if (size == 8)
> -					*((u64 *)ptr) = i;
> -#endif
> +				else if (SUPPORT_64BIT_DATA && size == 8)
> +					*((ulong *)ptr) = i;
>   				else if (size == 2)
>   					*((u16 *)ptr) = i;
>   				else
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de


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