On 04/02/2014 03:10 AM, FengHua wrote: > >> -----Original Messages----- >> From: "York Sun" <york...@freescale.com> >> Sent Time: 2014-03-22 02:10:39 (Saturday) >> To: "Scott Wood" <scottw...@freescale.com> >> Cc: FengHua <feng...@phytium.com.cn>, "u-boot@lists.denx.de" >> <u-boot@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.
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