From mboxrd@z Thu Jan 1 00:00:00 1970 From: Albert ARIBAUD Date: Tue, 01 Feb 2011 08:11:07 +0100 Subject: [U-Boot] BSS footprint of FAT very high - SPL issues In-Reply-To: <4D47B08D.8040905@free.fr> References: <4D4798E2.3050500@ti.com> <4D47B08D.8040905@free.fr> Message-ID: <4D47B20B.5040104@free.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Le 01/02/2011 08:04, Albert ARIBAUD a ?crit : > I'd like to make sure I understand the issue. Do these three BSS > variables occupy space in the U-Boot binary? If they do, then *that* > must be fixed rather than allocating a fixed address for them. In ARM > achitectures, the linker file makes sure the BSS is at the end of the > image and is not loadable, so the ELF to bin conversion just skips them. > Maybe the linker file you're using here does not do this? Answering myself: after reading Vaibhav's answer, I should amend my question aboce. Seems like the issue is the SPL has a BSS in IRAM, or in whatever memory it lands in. In that case, there's indeed no fix except putting the buffers in DRAM. Amicalement, -- Albert.