sos-code-article1/INSTALL

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2017-01-29 00:16:02 +01:00
SOS: A Simple Operating System
Compilation/Installation/Test instructions
Compilation
===========
IMPORTANT
---------
Don't forget to run 'make clean' before 'make' after you have modified
any source or header file(s).
On a x86 host where grub is correctly installed
-----------------------------------------------
Simply run 'make'
On a non-x86 host (without grub of course !)
--------------------------------------------
See extra/README
On an x86 host without Grub, or with a buggy Grub
-------------------------------------------------
See extra/README
How do I know I have a buggy grub installation ? Answer: in the qemu
PC emulator, Grub hangs while loading the kernel
Installation
============
Nothing special to do besides compiling
Test the SOS Kernel
===================
On a x86 real machine with Grub installed
-----------------------------------------
1st method
=> Boot the sos.elf file (append 'kernel=<path_to>sos.elf' in the
menu.lst or type it on Grub's command line) from a hard disk, a
floppy, or from the network
2nd method
=> Copy the file 'fd.img' to a floppy and boot from it
On a x86 real machine without Grub installed
--------------------------------------------
1st method
=> see extra/README to compile with the grub floppy image we provide,
copy the file 'fd.img' to a floppy, and boot from it
2nd method
=> see extra/README to compile with the boot sector we provide (up to
article 2 only), copy the file 'extra/sos_bsect.img' to a floppy,
and boot from it
Inside a PC emulator (x86 and non-x86 hosts)
--------------------------------------------
Tested on both the bochs emulator (x86/linux, sparc/solaris and
ppc/linux hosts, 'apt-get install bochs-x vgabios' on debian
testing/unstable), and the qemu system emulator (with libsdl
installed: 'apt-get install libsdl1.2-dev' on debian
testing/unstable).
1/ Grub is installed on the host (x86 hosts only)
- - - - - - - - - - - - - - - - - - - - - - - - -
bochs: boot from the file 'fd.img'. Example of a ~/.bochsrc:
floppya: 1_44=/home/d2/sos/fd.img, status=inserted
romimage: file=/usr/share/bochs/BIOS-bochs-latest, address=0xf0000
vgaromimage: /usr/share/vgabios/vgabios.bin
megs:63 # 63 Mo de RAM
qemu: run 'qemu -fda fd.img'
If grub hangs while loading the kernel, please go to method 2/
2/ Grub is not installed (all hosts)
- - - - - - - - - - - - - - - - - -
See extra/README to generate a floppy image with the Grub floppy
image we provide, and:
bochs: boot from the file 'fd.img'
qemu: run 'qemu -fda fd.img'
3/ Bonus: boot with the bootsector we provide (all hosts, up to art. 2 ONLY !)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
See extra/README to generate a floppy image with the boot sector we
provide, and:
bochs: boot from the file 'extra/sos_bsect.img'
qemu: run 'qemu -fda extra/sos_qemu.img'
NOTE: After article 2, this way of booting is not supported: please
use the method 2/ above.
--
David Decotigny