From mboxrd@z Thu Jan 1 00:00:00 1970 From: Victor Ascroft Date: Fri, 14 Nov 2014 11:40:50 +0530 Subject: [U-Boot] Query on CONFIG_SYS_THUMB_BUILD In-Reply-To: <20141114054344.A4CB7382CC5@gemini.denx.de> References: <5464DC59.2040707@gmail.com> <20141113205328.3C991382CC5@gemini.denx.de> <54658577.3090807@gmail.com> <20141114054344.A4CB7382CC5@gemini.denx.de> Message-ID: <54659CEA.2070607@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 11/14/2014 11:13 AM, Wolfgang Denk wrote: > Dear Victor, > > In message <54658577.3090807@gmail.com> you wrote: >> >>>> I am working with a Cortex A5 Freescale Vybrid Processor. Since a thumb build leads to a saving of almost 1 MB for my u-boot image and consequently to faster serial downloads I have been looking at this. Currently enabling this option leads to a hang >> . >>> >>> Saving 1 MB? So how big is your U-Boot image, then? >> >> To be exact >> >> For a thumb build: >> 363288 bytes >> >> For a non thumb build: >> 482072 bytes > > That saves 118784 bytes or 116 KiB. This is still a lot, but far from > the dramatic "1 MB" you claimed... Argh...Sorry my bad. I made a mistake there in interpreting the KB and MB. > > Best regards, > > Wolfgang Denk >