When I build hello_world application along with u-boot for ARM mode, it executes fine on target, But, when I build it for THUMB mode, it generates "undefined instruction" exception.
Thank you. On Fri, Dec 20, 2013 at 8:38 AM, Zhenqiang Chen <zhenqiang.c...@linaro.org>wrote: > On 19 December 2013 13:36, Parimala Baggiri <baggiriparim...@gmail.com> > wrote: > > Hello, > > > > I am using the pre-built toolchain gcc-arm-none-eabi-4_6-2012q2 from > linaro > > to compile u-boot (u-boot-linaro-stable) and to compile my standalone > > applications to run on target(PandaBoard ES rev b2) > > > > hello_world standalone application which comes with u-boot is executing > fine > > on target when I disable CONFIG_SYS_THUMB_BUILD, but when I enable it, > > target gets reset with following information > > How do you build your hello_world? Is it ARM or THUMB? > > > Panda # go 82000000 hello > > ## Starting application at 0x82000000 ... > > undefined instruction > > pc : [<8200000c>] lr : [<bff83147>] > > sp : bfeffe40 ip : bfeffc10 fp : 00000000 > > r10: 00000003 r9 : bffac954 r8 : bfefff68 > > r7 : bff01d88 r6 : 82000000 r5 : bff01d8c r4 : 00000003 > > r3 : 82000000 r2 : bff01d8c r1 : bff01d8c r0 : 00000002 > > Flags: nzCv IRQs off FIQs off Mode SVC_32 > > Resetting CPU ... > > > > resetting ... > > > > U-Boot SPL 2013.01.-rc1-g0f45941 (Dec 17 2013 - 14:23:41) > > OMAP4460 ES1.1 > > OMAP SD/MMC: 0 > > reading u-boot.img > > reading u-boot.bin > > reading u-boot.bin > > > > ...... > > > > Can anyone please help me why thumb mode build is failing? > > > > > > > > _______________________________________________ > > linaro-toolchain mailing list > > linaro-toolchain@lists.linaro.org > > http://lists.linaro.org/mailman/listinfo/linaro-toolchain > > >
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