2.11BSD operating system for microcontrollers
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PostPosted: Fri Oct 14, 2011 10:55 am 

Joined: Fri Oct 14, 2011 5:38 am
Posts: 1
I was very excited to see this project and recently pulled down the source.
after running make I got this: (after looking around some more that looks like a problem with gcc)
[b]EDIT:[/b] Ok, I got pcc to build and install and that runs, and I modified the cc lines in the make files to use it, but it keeps getting stuck at building the objects in unix.elf because the switches are in the wrong order. The error I'm getting looks like this:
Stephen-Wileys-MacBook-Pro:ubw32 swly$ make
pcc -EL -g -mips32r2 -nostdinc -fno-builtin -Werror -Wall -fno-dwarf2-cfi-asm -I. -I../../include -DKERNEL -DUCB_METER -DPIC32MX7 -DCPU_KHZ=80000 -DBUS_KHZ=80000 -DCONSOLE_UART1 -DSD_PORT=SPI1CON -DSD_CS0_PORT=TRISA -DSD_CS0_PIN=9 -DLED_AUX_PORT=TRISE -DLED_AUX_PIN=0 -DLED_DISK_PORT=TRISE -DLED_DISK_PIN=1 -DLED_KERNEL_PORT=TRISE -DLED_KERNEL_PIN=2 -DLED_TTY_PORT=TRISE -DLED_TTY_PIN=3 -MT startup.o -MD -MP -MF .deps/startup.dep -c -o startup.o ../startup.S
-o given with -c || -E || -S and more than one file
make: *** [startup.o] Error 8
Stephen-Wileys-MacBook-Pro:ubw32 swly$

I can get the individual objects to build by hand,(by copying and pasting the output of make and moving the switches around) but when I edit and save the make file nothing changes

I thought it was line 130 that I needed to change. it looks like this (starting from line 129)

unix.elf: $(KERNOBJ) using-bootloader.ld
$(CC) $(LDFLAGS) $(KERNOBJ) -o $@
chmod -x $@
$(OBJDUMP) -d -S $@ > unix.dis
$(OBJCOPY) -O binary $@ unix.bin
$(OBJCOPY) -O ihex --change-addresses=0x80000000 $@ unix.hex
chmod -x $@ unix.bin

But absolutely nothing changes when I do that.
I know my edits are saved because I can edit other pieces of the file and see changes.

also, I don't think development tools was the correct topic for this, so I moved it to bug reports.
(I think it's something I'm doing wrong though, not a bug)

PostPosted: Wed Oct 26, 2011 12:51 pm 
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Joined: Wed Oct 10, 2012 11:01 pm
Posts: 1081
Location: Sunnyvale, CA
Hi Stephen,
It looks like pcc does not support assembler-with-preprocessor mode, which is assumed when compiling startup.S file.


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