LiteBSD Example

Files:

• boot-wifire.hex - bootloader image for chipKIT WiFire board
• vmunix.hex - kernel of LiteBSD operating system for WiFire board
• litebsd.img - filesystem image for LiteBSD (download and unzip)
• Sources

Run LiteBSD on on WiFire board:

/usr/local/qemu-mips/bin/qemu-system-mipsel -machine pic32mz-wifire \
    -nographic \
    -monitor none \
    -serial vc \
    -serial vc \
    -serial vc \
    -serial stdio \
    -bios boot-wifire.hex \
    -kernel vmunix.hex \
    -sd litebsd.img

Result:

Board: chipKIT WiFire
Processor: microAptivP
RAM size: 512 kbytes
Load file: 'boot-wifire.hex', 6916 bytes
Load file: 'vmunix.hex', 522408 bytes
Card0 image 'litebsd.img', 339969 kbytes
Copyright (c) 1982, 1986, 1989, 1991, 1993
	The Regents of the University of California.  All rights reserved.

4.4BSD-Lite build 13 compiled 2015-01-20
    sergev@ubuntu-sergev:LiteBSD/sys/compile/WIFIRE.pic32
cpu: PIC32MZ2048ECG100 rev A4, 200 MHz
oscillator: system PLL div 1:6 mult x50
real mem = 512 kbytes
avail mem = 344 kbytes
using 18 buffers containing 73728 bytes of memory
spi1 at pins sdi=D14/sdo=C1/sck=D1
spi2 at pins sdi=F0/sdo=D11/sck=G6
spi3 at pins sdi=B10/sdo=C4/sck=B14
spi4 at pins sdi=F5/sdo=G0/sck=D10
uart1 at pins rx=F1/tx=D15, interrupts 112/113/114
uart4 at pins rx=F2/tx=F8, interrupts 170/171/172, console
sd0 at port spi3, pin cs=C3
sd0: type I, size 339968 kbytes, speed 12 Mbit/sec
sd0a: partition type b7, sector 2, size 204800 kbytes
sd0b: partition type b8, sector 409602, size 32768 kbytes
sd0c: partition type b7, sector 475138, size 102400 kbytes
bpf: sl0 attached
bpf: lo0 attached
WARNING: preposterous clock chip time -- CHECK AND RESET THE DATE!

starting file system checks.
/dev/rsd0a: file system is clean; not checking
starting network
clearing /tmp
standard daemons: update.
Wed Dec 10 21:06:39 PST 2014


4.4BSD-Lite (bsd.net) (tty4)

login: root
Last login: Wed Dec 10 21:06:36 on tty4
Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994
        The Regents of the University of California.   All rights reserved.

4.4BSD-Lite UNIX #1: Fri Apr 01 00:00:00 PDT 1994

Welcome to 4.4BSD-Lite!

erase ^H, kill ^U, intr ^C status ^T
Don't login as root, use the su command.
# ps alx
  UID   PID  PPID CPU PRI NI   VSZ  RSS WCHAN  STAT TT       TIME COMMAND
    0     0     0   0 -18  0     0    0 schedu DLs  ??    0:00.01 (swapper)
    0     1     0   0  10  0   172    0 wait   Ss   ??    0:00.05 /sbin/init
    0     2     0   3 -18  0     0    0 -      RL   ??    0:00.14 (pagedaemon)
    0    28     1   0  18  0    20    0 pause  Ss   ??    0:00.00 update
    0    35     1   1  10  0   244   52 wait   Ss    4    0:00.15 -sh (sh)
    0    37    35   0  28  0   200   88 -      R+    4    0:00.02 (ps)
# halt -q
syncing disks... done
halted