Hello. I am trying to cross-compile uClinux kernel 2.4.x for the Atmel AT91
board. I AM able to compile uClinux 2.6.x successfully for the Atmel board;
however, I need 2.4.x to compile.
Compiling 2.6.x I simply set CROSS_COMPILE in the menuconfig and went about
my way.
It appears less straightforward in the 2.4.x build.
To override the hard-coded "CROSS_COMPILE" and "KERNEL_CROSS_COMPILE" I
modified uClinux-dist/vendors/config/armnommu.arch so I could override the
cross compilation variables.
Then I ran:
CROSS_COMPILE=/usr/local/arm-uclinux-gcc-3.4.3/bin/arm-uclinux-elf-
KERNEL_CROSS_COMPILE=/usr/local/arm-uclinux-gcc-3.4.3/bin/arm-uclinux-elf-
make linux
Where:
ls /usr/local/arm-uclinux-gcc-3.4.3/bin/
arm-elf-addr2line arm-elf-flthdr arm-elf-objcopy
arm-uclinux-elf-addr2line arm-uclinux-elf-flthdr arm-uclinux-elf-ld
arm-uclinux-elf-run
arm-elf-ar arm-elf-g++ arm-elf-objdump arm-uclinux-elf-ar
arm-uclinux-elf-g++ arm-uclinux-elf-ld.real arm-uclinux-elf-size
arm-elf-as arm-elf-gcc arm-elf-ranlib arm-uclinux-elf-as
arm-uclinux-elf-gcc arm-uclinux-elf-nm
arm-uclinux-elf-strings
arm-elf-c++ arm-elf-gcov arm-elf-readelf arm-uclinux-elf-c++
arm-uclinux-elf-gcc-3.4.3 arm-uclinux-elf-objcopy arm-uclinux-elf-strip
arm-elf-c++filt arm-elf-ld arm-elf-size arm-uclinux-elf-c++filt
arm-uclinux-elf-gccbug arm-uclinux-elf-objdump genromfs
arm-elf-cpp arm-elf-ld.real arm-elf-strings arm-uclinux-elf-cpp
arm-uclinux-elf-gcov arm-uclinux-elf-ranlib
arm-elf-elf2flt arm-elf-nm arm-elf-strip arm-uclinux-elf-elf2flt
arm-uclinux-elf-gdb arm-uclinux-elf-readelf
Am I using the wrong toolchain version? So far I haven't found anything for
sure specifying a specific version of the gnu arm-uclinux compiler toolset
for uClinux kernel 2.4.x. I may just be missing it.
The error I see appears to start with the compilation of assembly units:
/usr/local/arm-uclinux-gcc-3.4.3//bin/arm-uclinux-elf-gcc -D__ASSEMBLY__
-D__KERNEL__
-I/home/Virtual_Machines/linux_kernels/uClinux-dist/linux-2.4.x/include
-DNO_MM -mapcs-32 -march=armv4 -msoft-float -c -o entry-armv.o
entry-armv.S
entry-armv.S: Assembler messages:
entry-armv.S:1495: Warning: destination register same as write-back base
entry-armv.S:1721: Error: undefined symbol TSS_FPESAVE used as an immediate
value
The above text is the first error. There are many more assembly errors.
Any help would be appreciated.
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