On Tue, Nov 20, 2018 at 11:57:13PM +0100, Roland Hieber wrote:
> Trying to count single bytes (e.g. when adding an offset) in 'word' or
> 'byte' output mode is not easy in the current formatting, and (at least
> for me) has a high chance of miscounting or losing track of groups:
>
> barebox@boardname:/ md -b 0x149983f0+32
> 149983f0: 18 00 00 00 00 00 0d 86 00 00 00 00 00 00 00 00
> ................
> 14998400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> ................
>
> barebox@boardname:/ md -w 0x149983f0+32
> 149983f0: 0018 0000 0000 860d 0000 0000 0000 0000
> ................
> 14998400: 0000 0000 0000 0000 0000 0000 0000 0000
> ................
>
> With an additional space after 8 bytes, counting becomes easier:
>
> barebox@boardname:/ md -b 0x149983f0+32
> 149983f0: 18 00 00 00 00 00 0d 86 00 00 00 00 00 00 00 00
> ................
> 14998400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> ................
>
> barebox@boardname:/ md -w 0x149983f0+32
> 149983f0: 0018 0000 0000 860d 0000 0000 0000 0000
> ................
> 14998400: 0000 0000 0000 0000 0000 0000 0000 0000
> ................
>
> The 'quad' and 'long' output modes stay the same and are already much
> more easier to count because they build bigger and therefore less groups
> of bytes per line.
>
> Signed-off-by: Roland Hieber <[email protected]>
> ---
Nice ;) Applied, thanks
Sascha
> common/memory_display.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/common/memory_display.c b/common/memory_display.c
> index ea91985e5d..30821cced4 100644
> --- a/common/memory_display.c
> +++ b/common/memory_display.c
> @@ -55,23 +55,27 @@ int memory_display(const void *addr, loff_t offs,
> unsigned nbytes, int size, int
> } else if (size == 2) {
> uint16_t res;
> data_abort_mask();
> res = *((uint16_t *)addr);
> if (swab)
> res = __swab16(res);
> + if (i > 1 && i % 8 == 0)
> + count -= printf(" ");
> if (data_abort_unmask()) {
> res = 0xffff;
> count -= printf(" xxxx");
> } else {
> count -= printf(" %04x", res);
> }
> *usp++ = res;
> } else {
> uint8_t res;
> data_abort_mask();
> res = *((uint8_t *)addr);
> + if (i > 1 && i % 8 == 0)
> + count -= printf(" ");
> if (data_abort_unmask()) {
> res = 0xff;
> count -= printf(" xx");
> } else {
> count -= printf(" %02x", res);
> }
> --
> 2.19.1
>
>
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>
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