Hi Jon,

The RPi zero has armv6 architecture, which is 32-bit - so there's no way to
run the 64-bit PicoLisp.

Here's a patch and instructions to compile the 32-bit picolisp on ARM:



On Tue, Jan 5, 2016 at 8:20 AM, Jon Kleiser <jon.klei...@fsat.no> wrote:

> Hi,
> Just before Xmas I got the brand new Raspberry Pi Zero, a tiny computer on
> a tiny card, costing $5. It has got a Broadcom BCM2835 processor (1GHz
> ARM11 core), 512MB of LPDDR2 SDRAM, and is capable of running a lot of
> useful software (browser, mail, Python, Java).
> <https://www.raspberrypi.org/blog/raspberry-pi-zero/>
> <http://www.arm.com/products/processors/classic/arm11/arm1176.php>
> As I don’t know much about the different kinds of ARM processors, I just
> wanted to try if 64-bit PicoLisp could run on this Pi Zero, but I may have
> been a little too optimistic. This is what I got:
> pi@raspberrypi:~/PicoLisp/picoLisp $ (cd src64; make)
> cc -o sysdefs -D_FILE_OFFSET_BITS=64 sysdefs.c
> strip sysdefs
> ./mkAsm emu "" .c Linux base "" ../lib/map  version.l glob.l main.l gc.l
> apply.l flow.l sym.l subr.l big.l io.l db.l net.l err.l sys/emu.code.l
> cc -c -O -fomit-frame-pointer -D_FILE_OFFSET_BITS=64 emu.base.c
> cc -o ../bin/picolisp emu.base.o -Wl,--no-as-needed -rdynamic -lc -lm -ldl
> strip ../bin/picolisp
> ./mkAsm emu "" .c Linux ext T ""  ext.l
> ^CMakefile:145: recipe for target 'emu.ext.c' failed
> make: *** [emu.ext.c] Interrupt
> I had to Ctrl-C after it had been “busy” (100% CPU) for a few hours.
> Building 32-bit PicoLisp wasn’t any more successful, but Ersatz ran fine
> without complains. ;-)
> /Jon

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