-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/26/2011 03:02 PM, Dave Martin wrote: > On Mon, Jul 25, 2011 at 12:55:54PM +0200, Daniel Lezcano wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> >> Hi All, >> >> I was trying to compile the kernel tree located at: >> >> http://git.linaro.org/gitweb?p=people/amitk/linux-linaro-pmwg.git;a=summary > > What branch and what tag or head commit were you building? >> >> for a beagleboardXM but the compilation fails with the error >> >> >> /tmp/ccnUvsew.s: Assembler messages: >> /tmp/ccnUvsew.s:298: Error: r13 not allowed here -- `bic r7,sp,#8128' >> /tmp/ccnUvsew.s:567: Error: r13 not allowed here -- `bic r3,sp,#8128' >> /tmp/ccnUvsew.s:642: Error: r13 not allowed here -- `bic r3,sp,#8128' >> /tmp/ccnUvsew.s:808: Error: r13 not allowed here -- `bic r4,sp,#8128' >> /tmp/ccnUvsew.s:1459: Error: r13 not allowed here -- `bic r3,sp,#8128' >> >> I suspected the problem was related to the thumb instruction, I disabled >> it in the config but I have still the error. > > Your suspicions are correct -- use of sp as a general-purpose register > operand is much more restricted in Thumb-2 than in ARM. (Most of those > fancy uses of sp are deprecated in ARM also, since ARMv7.) > > (Possibly, you disabled CONFIG_ARM_THUMB instead of CONFIG_THUMB2_KERNEL. > CONFIG_ARM_THUMB just controls whether Thumb binaries in userspace are > supported. However, we do want all code to be buildable in Thumb-2 for > ARMv7-capable platforms.)
You are right, I disabled the wrong option :) I successfully compiled the kernel. Do I need a more recent version for my cross compiler if I want thumb2 enabled ? Thanks a lot for your help ! -- Daniel - -- <http://www.linaro.org/> Linaro.org ? Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJOLtR+AAoJEAKBbMCpUGYAqnsH/0C+RBgeGO/Tc+7qCfGTmIb8 jsmxbR5ynzx6+rl/zSVgWjvZWjNmQecJ8/yANroKCbCxcaS8RNt3cB2iH/w83gSL qcGkxDRyO32UQ7xGigaPougjvO8t5ufLdNoaGVfbKc/iw+3uhV50wRCDnt6OON4d CyJVn+uKIAYB7nqGKwPzCBmcbu5qxU9+UwMnawpIDaEA3IlNpNyUP8MRsawvtObc KpvrLqHnvb68u2Pcwt/O/qjEO/I+hGj+HjvdZAqs1Ey76oyV5zouTyx5KKQ9SFjX mFntuEz9mY1Ii3mC49w73pfzRWlB1cj62mVhpzOrYkJadp0bxNvyvRMl83slSs8= =QV+K -----END PGP SIGNATURE----- _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
