Re: [avr-gcc-list] gcc 3.0.4 and ucos-ii problems

[Ulf Dagman]

Thanks a lot friends !

It worked, I changed the  data in avr85xx.x loader script  to

data   (rw!x) : ORIGIN = (0x800000 + 0x60), LENGTH = 32K

to use 32K RAM.

/ Best regards

/Ulf D

Dafni & Robert Berger wrote:

> Hi Ted, Ulf
>
> I have successfully compiled ucos-ii with avr-gcc 3.0.4 under Linux after
> Ted helped me to get avr-gcc running on my system.
>
> I compied the linker script avrmega103.x to the source directory where the
> patched linker scrip it supposed to reside.
>
> The only change I made was the following:
>
> data   (rw!x) : ORIGIN = (0x800000 + 0x60), LENGTH = 64K /* 4000 */
>
> to use 64K external RAM.
>
> And it compiles without any problems.
>
> Regards,
>
> Robert
>
> ---------------------------------------------------------------------------
> Dafni & Robert Berger
> Pharmacist & Embedded Systems Software Engineer
> Stratigou Rogakou 24
> 15125 Polydrosso - Maroussi
> Athens
> Greece
> Tel, Fax.: ++30 1 6847881
> email: address@hidden
> ---------------------------------------------------------------------------
>
> -----Original Message-----
> From: address@hidden [mailto:address@hidden
> Behalf Of Theodore A. Roth
> Sent: Friday, April 26, 2002 8:43 PM
> To: Ulf Dagman
> Cc: address@hidden
> Subject: Re: [avr-gcc-list] gcc 3.0.4 and ucos-ii problems
>
> If you are using the linker script that comes with the zip file from the
> micrium web site, you will have to tweak it to work with gcc-3.0.4. I've
> only given it a quick look-see, but I think if you compare with the linker
> scripts in binutils-2.11.2, the tweaks should be fairly obvious (at least
> they looked obvious to me ;-).
>
> Alternatively, you might just try tweaking the Makefile so that it doesn't
> have that this:
>
>   /usr/avr/bin/gcc ../obj/1-wire.o ../obj/os_cpu_c.o ../obj/ucos_ii.o
>   ../obj/os_cpu_a.o  -T../source/avr85xx.x  -Wl,-Map=1-wire.map,--cref
>   -mmcu=at90s8515 -o 1-wire.elf
>
> doens't have the "-T../source/avr85xx.x" part and thus use the default
> linker script.
>
> I just guessing here since all I have is the avr-gcc port and not the
> entire source for ucos-ii.
>
> Hope that helps some.
>
> Ted Roth
>
> On Fri, 26 Apr 2002, Ulf Dagman wrote:
>
> >Hi
> >
> >I'm trying to compile an application using the ucos-ii realtime kernel
> >and avr-gcc 3.0.4,
> >using my linux box.
> >I've done this using gcc 2.95.2 and using Jesper Hansens additions to
> >ucos-ii
> >with no problems ( well  thats on a windows machine ).
> >
> >I have no idea what missing or whats wrong, any ideas ?
> >What is missing or wrong for the loader ?
> >
> >Well, the log :
> >
> >-------------------
> >$ make
> >/usr/avr/bin/gcc -c -g -O3 -Wall -Wstrict-prototypes
> >-Wa,-ahlms=../lst/1-wire.lst -mmcu=at90s8515 -I. -o ../obj/1-wire.o
> >1-wire.c
> >/usr/avr/bin/gcc -c -g -O3 -Wall -Wstrict-prototypes
> >-Wa,-ahlms=../lst/os_cpu_c.lst -mmcu=at90s8515 -I. -o ../obj/os_cpu_c.o
> >../source/os_cpu_c.c
> >/usr/avr/bin/gcc -c -g -O3 -Wall -Wstrict-prototypes
> >-Wa,-ahlms=../lst/ucos_ii.lst -mmcu=at90s8515 -I. -o ../obj/ucos_ii.o
> >../../../source/ucos_ii.c
> >/proj/atmel/software/ucos-ii/source/os_task.c:44: warning: `OSDummy'
> >defined but not used
> >/usr/avr/bin/gcc -x assembler-with-cpp  -c -Wa,-gstabs -mmcu=at90s8515
> >-I. -o ../obj/os_cpu_a.o ../source/os_cpu_a.asm
> >/usr/avr/bin/gcc ../obj/1-wire.o ../obj/os_cpu_c.o ../obj/ucos_ii.o
> >../obj/os_cpu_a.o  -T../source/avr85xx.x  -Wl,-Map=1-wire.map,--cref
> >-mmcu=at90s8515 -o 1-wire.elf
> >/usr/lib/gcc-lib/avr/3.0.4/../../../../avr/bin/ld: section .init0
> >[000017a6 -> 000017bf] overlaps section .data [000017a6 -> 00001977]
> >/usr/lib/gcc-lib/avr/3.0.4/../../../../avr/bin/ld: section .init1
> >[000017c0 -> 000017d5] overlaps section .data [000017a6 -> 00001977]
> >/usr/lib/gcc-lib/avr/3.0.4/../../../../avr/bin/ld: section .init3
> >[000017d6 -> 000017fd] overlaps section .data [000017a6 -> 00001977]
> >/usr/lib/gcc-lib/avr/3.0.4/../../../../avr/bin/ld: section .init7
> >[000017fe -> 00001803] overlaps section .data [000017a6 -> 00001977]
> >/usr/lib/gcc-lib/avr/3.0.4/../../../../avr/lib/crts8515.o: In function
> >`__c_startup__':
> >../../libc/gcrt1.S:177: undefined reference to `__stack'
> >../../libc/gcrt1.S:180: undefined reference to `__stack'
> >../../libc/gcrt1.S:160: undefined reference to `__data_load_start'
> >../../libc/gcrt1.S:161: undefined reference to `__data_load_start'
> >../../libc/gcrt1.S:163: undefined reference to `__data_start'
> >../../libc/gcrt1.S:164: undefined reference to `__data_start'
> >../../libc/gcrt1.S:165: undefined reference to `__data_end'
> >../../libc/gcrt1.S:180: undefined reference to `__data_end'
> >../obj/1-wire.o: In function `main':
> >/proj/atmel/software/ucos-ii/at-avr/gcc/1-wire/1-wire.c:84: undefined
> >reference to `__stack'
> >/proj/atmel/software/ucos-ii/at-avr/gcc/1-wire/1-wire.c:84: undefined
> >reference to `__stack'
> >make: *** [1-wire.elf] Error 1
> >$
> >----------------------
> >
> >/Regards
> >
> >Ulf D
> >
> >avr-gcc-list at http://avr1.org
> >
>
> avr-gcc-list at http://avr1.org
>
> avr-gcc-list at http://avr1.org

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