John Babrick <[email protected]> writes: > Hello - I am trying to work through the book "Mastering Embedded Linux > Programming" by Chris Simmonds, and trying to work through building u-boot > after having built the cross toolchain. I am running into an error when I > try to build u-boot, any ideas? > > johann@mars:~/uboot-work/u-boot$ make > CROSS_COMPILE=arm-cortex_a8-linux-gnueabihf- am335x_evm_defconfig > # > # configuration written to .config > # > johann@mars:~/uboot-work/u-boot$ make > CROSS_COMPILE=arm-cortex_a8-linux-gnueabihf- > scripts/kconfig/conf --silentoldconfig Kconfig > CHK include/config.h > UPD include/config.h > CFG u-boot.cfg > GEN include/autoconf.mk > GEN include/autoconf.mk.dep > CFG spl/u-boot.cfg > GEN spl/include/autoconf.mk > CHK include/config/uboot.release > CHK include/generated/version_autogenerated.h > CHK include/generated/timestamp_autogenerated.h > UPD include/generated/timestamp_autogenerated.h > * CC lib/asm-offsets.s* > *cc1: warning: target CPU does not support THUMB instructions* > * CHK include/generated/generic-asm-offsets.h* > * CC arch/arm/lib/asm-offsets.s* > *cc1: warning: target CPU does not support THUMB instructions* > CHK include/generated/asm-offsets.h > HOSTCC scripts/dtc/dtc.o > HOSTCC scripts/dtc/flattree.o > HOSTCC scripts/dtc/fstree.o > HOSTCC scripts/dtc/data.o > HOSTCC scripts/dtc/livetree.o > HOSTCC scripts/dtc/treesource.o > HOSTCC scripts/dtc/srcpos.o > HOSTCC scripts/dtc/checks.o > HOSTCC scripts/dtc/util.o > SHIPPED scripts/dtc/dtc-lexer.lex.c > SHIPPED scripts/dtc/dtc-parser.tab.h > HOSTCC scripts/dtc/dtc-lexer.lex.o > SHIPPED scripts/dtc/dtc-parser.tab.c > HOSTCC scripts/dtc/dtc-parser.tab.o > HOSTLD scripts/dtc/dtc > HOSTCC tools/mkenvimage.o > HOSTCC tools/lib/crc32.o > HOSTLD tools/mkenvimage > HOSTCC tools/common/bootm.o > HOSTCC tools/lib/fdtdec.o > HOSTCC tools/fit_image.o > HOSTCC tools/image-host.o > HOSTCC tools/dumpimage.o > HOSTLD tools/dumpimage > HOSTCC tools/mkimage.o > HOSTLD tools/mkimage > CC arch/arm/cpu/armv7/cache_v7.o > *cc1: warning: target CPU does not support THUMB instructions* > *{standard input}: Assembler messages:* > *{standard input}:42: Error: selected processor does not support `dsb sy' > in ARM mode* > *{standard input}:46: Error: selected processor does not support `isb sy' > in ARM mode* > *{standard input}:240: Error: selected processor does not support `dsb sy' > in ARM mode* > *{standard input}:244: Error: selected processor does not support `isb sy' > in ARM mode* > *{standard input}:368: Error: selected processor does not support `dsb sy' > in ARM mode* > *{standard input}:460: Error: selected processor does not support `dsb sy' > in ARM mode* > *{standard input}:464: Error: selected processor does not support `isb sy' > in ARM mode* > *{standard input}:594: Error: selected processor does not support `dsb sy' > in ARM mode* > *scripts/Makefile.build:278: recipe for target > 'arch/arm/cpu/armv7/cache_v7.o' failed* > make[1]: *** [arch/arm/cpu/armv7/cache_v7.o] Error 1 > Makefile:1363: recipe for target 'arch/arm/cpu/armv7' failed
I get a deluge of such errors with gcc-8. Use gcc-7 or earlier until someone fixes it (or fix it yourself and send a patch). -- Måns Rullgård _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
