From mboxrd@z Thu Jan 1 00:00:00 1970 From: York Sun Date: Wed, 2 Apr 2014 09:15:31 -0700 Subject: [U-Boot] CONFIG_REMAKE_ELF for aarch64 In-Reply-To: References: <532C809F.8010701@freescale.com> Message-ID: <533C37A3.7060603@freescale.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 04/02/2014 03:10 AM, FengHua wrote: > >> -----Original Messages----- >> From: "York Sun" >> Sent Time: 2014-03-22 02:10:39 (Saturday) >> To: "Scott Wood" >> Cc: FengHua , "u-boot at lists.denx.de" >> Subject: CONFIG_REMAKE_ELF for aarch64 >> >> Scott, >> >> I am having a problem recreating u-boot.elf for aarch64 targets. The file is OK >> when Ttext is aligned with 64KB boundary, for example 0x30000000. But if I use >> 0x30001000 as the text base, the result u-boot.elf has additional offset of >> 0x10000. For example, the first instruction should be (from objdump) >> >> 30001000: 1400000a b 30001028 >> >> But it is >> >> 30011000: 1400000a b 30011028 >> >> My gcc version is >> >> gcc version 4.8.3 20131202 (prerelease) (crosstool-NG linaro-1.13.1-4.8-2013.12 >> - Linaro GCC 2013.11) >> >> GNU ld (crosstool-NG linaro-1.13.1-4.8-2013.12 - Linaro GCC 2013.11) 2.24.0.20131220 >> Supported emulations: >> aarch64linux >> aarch64elf >> aarch64elf32 >> aarch64elf32b >> aarch64elfb >> armelf >> armelfb >> aarch64linuxb >> aarch64linux32 >> aarch64linux32b >> armelfb_linux_eabi >> armelf_linux_eabi >> >> I am hoping you or someone familiar with ABI or something related and shed some >> light. >> >> York > Maybe this is a bug of aarch64 tool chain. > > Scott suspects it is an alignment issue with the toolchain. But we didn't get the bottom of it. York