[U-Boot] building jornada_config _armboot_start undeclared (first use in this function)

[Albert ARIBAUD <albert.aribaud@free.fr>]

Le 22/10/2010 17:01, Kristoffer Ericson a ?crit :
> On Fri, Oct 22, 2010 at 03:22:58PM +0200, Albert ARIBAUD wrote:
>> Le 22/10/2010 15:07, Kristoffer Ericson a ?crit :
>>> Greetings,
>>>
>>> Getting this when trying to build (using same toolchain which has worked before).
>>> Someone else must have hit this, so before I start bugtracking.
>>>
>>> Best wishes
>>> Kristoffer Ericson
>>>
>>> arm-linux-ar crv libsa1100.a cpu.o timer.o
>>> r - cpu.o
>>> r - timer.o
>>> make[1]: Leaving directory `/home/kristoffer/work/projects/u-boot.git/arch/arm/cpu/sa1100'
>>> make -C arch/arm/lib/
>>> make[1]: Entering directory `/home/kristoffer/work/projects/u-boot.git/arch/arm/lib'
>>> arm-linux-gcc  -g  -Os   -fno-common -ffixed-r8 -msoft-float -malignment-traps -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0xC1F00000 -I/home/kristoffer/work/projects/u-boot.git/include -fno-builtin -ffreestanding -nostdinc -isystem /opt/crosstool/gcc-3.4.5-glibc-2.3.6/arm-softfloat-linux-gnu/lib/gcc/arm-softfloat-linux-gnu/3.4.5/include -pipe  -DCONFIG_SYS_ARM_WITHOUT_RELOC -DCONFIG_ARM -D__ARM__ -marm   -mapcs-32 -mno-thumb-interwork  -march=armv4 -mtune=strongarm1100 -Wall -Wstrict-prototypes    \
>>> 		-o board.o board.c -c
>>> board.c: In function `start_armboot':
>>> board.c:293: error: `_armboot_start' undeclared (first use in this function)
>>> board.c:293: error: (Each undeclared identifier is reported only once
>>> board.c:293: error: for each function it appears in.)
>>> board.c:303: error: `_bss_start' undeclared (first use in this function)
>>> make[1]: *** [board.o] Fel 1
>>> make[1]: Leaving directory `/home/kristoffer/work/projects/u-boot.git/arch/arm/lib'
>>> make: *** [arch/arm/lib/libarm.a] Fel 2
>>> [kristoffer at boggieman u-boot.git]$
>>
>> Which branch do you build? If this has ELF relocations (elf_reloc of
>> mainline u-boot repo), the board you're compiling probably misses
>> support for ELF relocations.
>
> Forgot that im setting without relocation in the config. Its really weird,
> both those (_armboot_start/_bss_start) are declared within arch/cpu/sa1100/start.S
> but for some reason doesnt get grabbed/builtin and therefore believed to be undeclared.

For board.c to see them as declared, you have to have them in a header 
file, namely arch/arm/include/asm/u-boot-arm.h, regardless of whether 
they are defined in start.S. What does your u-boot-arm.h say about them?

Amicalement,
-- 
Albert.