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From: Martin Husemann <martin@NetBSD.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, v2] Enable expression support for CONFIG_BOARD_SIZE_LIMIT
Date: Fri, 8 Mar 2019 18:28:16 +0100	[thread overview]
Message-ID: <20190308172816.GA12265@mail.duskware.de> (raw)
In-Reply-To: <20190308171709.GG5026@bill-the-cat>

On Fri, Mar 08, 2019 at 12:17:09PM -0500, Tom Rini wrote:
> OK, so a few thoughts here.
> - What's the portable way to do hex-based math?  If we really need it?

Use printf(3) to convert to/from hex, and standard shell arithmetic
with $(( )).

Looks horrible, but something like:

v=$(( $( printf "%d\n" 0xa0 ) + $( printf "%d\n" 0x10 ) ))
printf "v = %d (%x)\n" $v $v


... maybe arranged into some sh helper functions.

Martin

  reply	other threads:[~2019-03-08 17:28 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-30 14:52 [U-Boot] [PATCH v4] pico-imx7d: Increase the CONFIG_ENV_OFFSET size Fabio Estevam
2018-11-30 15:17 ` Otavio Salvador
2018-11-30 15:33 ` Wolfgang Denk
2018-11-30 16:28   ` Fabio Estevam
2018-12-03 15:52     ` Wolfgang Denk
2018-12-03 16:53       ` Fabio Estevam
2018-12-03 17:39         ` Otavio Salvador
2018-12-04  9:40           ` Wolfgang Denk
2018-12-04  9:37         ` Wolfgang Denk
2018-12-04 10:41           ` Fabio Estevam
2018-12-04 13:03             ` Wolfgang Denk
2018-12-04 13:18               ` Fabio Estevam
2018-12-04 13:35                 ` Wolfgang Denk
2018-12-04 14:15                   ` Fabio Estevam
2018-12-04 15:40                     ` [U-Boot] [PATCH] Enable expression support for CONFIG_BOARD_SIZE_LIMIT Wolfgang Denk
2018-12-04 15:42                       ` Otavio Salvador
2018-12-04 16:15                       ` Fabio Estevam
2018-12-05  9:52                         ` Wolfgang Denk
2018-12-06 13:04                           ` Fabio Estevam
2018-12-06 14:23                             ` Wolfgang Denk
2018-12-06 14:41                               ` Fabio Estevam
2018-12-06 14:44                                 ` Andy Pont
2018-12-06 14:58                                   ` Fabio Estevam
2018-12-06 15:01                                     ` Fabio Estevam
2018-12-06 14:50                                 ` Philipp Tomsich
2018-12-06 15:06                                   ` Fabio Estevam
2018-12-06 15:17                                 ` Fabio Estevam
2018-12-07 15:21                                   ` Wolfgang Denk
2018-12-07 15:37                                     ` Fabio Estevam
2018-12-07 19:28                                       ` Wolfgang Denk
2018-12-07 19:27                       ` [U-Boot] [PATCH v2] " Wolfgang Denk
2018-12-14 19:16                         ` [U-Boot] [U-Boot, " Tom Rini
2019-03-06 20:54                           ` Simon Goldschmidt
2019-03-08 17:17                             ` Tom Rini
2019-03-08 17:28                               ` Martin Husemann [this message]
2019-03-08 17:53                                 ` Philipp Tomsich
2019-03-08 18:16                                   ` Simon Goldschmidt
2019-03-08 19:55                                   ` Tom Rini
2019-03-15 10:13                                 ` Ismael Luceno Cortes
2018-12-17 14:13 ` [U-Boot] [PATCH v4] pico-imx7d: Increase the CONFIG_ENV_OFFSET size Fabio Estevam
2018-12-17 14:47   ` Stefano Babic
2018-12-17 14:50     ` Fabio Estevam

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