On Tue, Mar 08, 2011 at 11:09:57AM +0100, Vanalme Filip wrote: > > -----Original Message----- > > From: barebox-bounces@xxxxxxxxxxxxxxxxxxx [mailto:barebox- > > bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Vanalme Filip > > Sent: dinsdag 8 maart 2011 9:13 > > To: Baruch Siach > > Cc: barebox@xxxxxxxxxxxxxxxxxxx > > Subject: RE: test app > > > > Thank you Baruch ! Good starting point for my test app. > > > > > -----Original Message----- > > > From: Baruch Siach [mailto:baruch@xxxxxxxxxx] > > > Sent: dinsdag 8 maart 2011 6:40 > > > To: Vanalme Filip > > > Cc: barebox@xxxxxxxxxxxxxxxxxxx > > > Subject: Re: test app > > > > > > Hi Vanalme, > > > > > > On Mon, Mar 07, 2011 at 02:05:32PM +0100, Vanalme Filip wrote: > > > > We would like to have a kind of small test application, that can be > > > > started from the barebox prompt, to do some basic tests on some hardware > > > components. > > > > What's the best way to do that ? E.g. can I add that test application > > > > to the environment and would this be good practice ? Or do I better > > > > extend the barebox commands with my own command to start the tests ? > > > > Maybe there's an example on how to do it ? > > > > > > I'm using the attached program to do a simple RAM read/write test on i.MX25. > > > This program runs on bare hardware from the internal chip SRAM, and doesn't > > rely > > > on the Barebox run-time code. I only use Barebox to start this program. > > > > > > The program is built with the following Makefile rules: > > > > > > all: ramtest.bin > > > > > > %.bin: %.elf > > > ${OBJCOPY} -O binary $^ $@ > > > > > > ramtest.elf: ramtest.c > > > ${CC} -Wall -Os -nostdlib $^ -o $@ -Wl,-Ttext=0x78000000 > > > > > > Running this program from the Barebox prompt: > > > > > > cp ramtest.bin /dev/sram0 > > > go /dev/sram0 > > > > > > I hope this helps. > > > > > > baruch > > > > > [Filip] > > As a start, I just took over your Makefile and a minimal source file : > > __asm__ (".text\n" > ".globl _start\n" > "_start:\n" > "ldr sp, =0xA7E00000\n" > "bl main\n" > "stop:\n" > "b stop\n" > ); > > int main (int argc, char *argv[]) > { > return 0; > } > > I think I might still miss something because the assembler part gives me errors e.g. > " Error: no such instruction: 'ldr sp,=0xA7E00000' " > " Error: no such instruction: 'bl main' " > " Error: no such instruction: 'b stop' " Just a guess, did you set $CC to your cross compiler? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
