On Wednesday 19 October 2011 07:36:15 Albert ARIBAUD wrote: > Le 19/10/2011 00:21, Mike Frysinger a écrit : > > On Tuesday 18 October 2011 17:30:30 Simon Glass wrote: > >> arm-none-linux-gnueabi-ld: stubs.o: compiled for a big endian system > >> and target is little endian > >> arm-none-linux-gnueabi-ld: failed to merge target specific data of file > >> stubs.o > >> > >> I guess this is the endian error is the one you talk about here which > >> I suppose can be fixed with a -m flag. How should this be added in? > >> Should the ARM arch have a -mlittle-endian default? > > > > i fear that would break some boards where the maintainer has always used > > a big endian toolchain. i don't think there are any CONFIG_xxx knobs > > for boards to say "i am big endian" or "i am little endian". > > Actually the issue is not with the compiler -- it does build big-endian > (example taken with scpu):
that's because the target you picked has a config.mk which forces -mbig-endian in arch/arm/cpu/ixp/config.mk. that is the only arm soc that does. i'm pretty sure many of the other arm soc's support either big or little endian and it's just a matter of what the board wants to do. > The issue is with the linker: > > arm-linux-ld -r -o libstubs.o stubs.o > > This fails because the linker does not specify -EB and thus links in > little, not big, endian. that's a failing on the part of ixp/config.mk. it should be adding -EB to the linker flags when it forces -mbig-endian. > Note that further issues may prevent a big-endian build such as the > absence of big-endian run-time libs. there is no run-time libs. only libgcc.a is taken external of u-boot, and that issue is resolved by using the private libgcc. -mike
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