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001 001 002 Contents of the extra/ directory 002 Contents of the extra/ directory 003 ================================ 003 ================================ 004 004 005 Data and configuration files to support genera 005 Data and configuration files to support generation of sos on non-x86 006 and/or grub-less hosts: 006 and/or grub-less hosts: 007 - dot.mkvars: file to copy as .mkvars in the 007 - dot.mkvars: file to copy as .mkvars in the root directory to 008 compile on a non-x86 host, and to generate 008 compile on a non-x86 host, and to generate the grub floppy image on 009 a grub-less host 009 a grub-less host 010 - grub.img.gz: compressed image of a Grub flo 010 - grub.img.gz: compressed image of a Grub floppy (without any 011 kernel). Used by dot.mkvars. 011 kernel). Used by dot.mkvars. 012 - mtoolsrc: file needed by .mkvars to compile 012 - mtoolsrc: file needed by .mkvars to compile a the floppy image 013 013 014 Support of a sos-specific boot sector: 014 Support of a sos-specific boot sector: 015 - Makefile: rules to compile sos_bsect.img, t 015 - Makefile: rules to compile sos_bsect.img, the floppy image with the 016 boot sector and the Sos 016 boot sector and the Sos 017 - bootsect.S: x86 Sos boot sector (GNU as). D 017 - bootsect.S: x86 Sos boot sector (GNU as). Depends on sos_bsect.lds 018 - sos_bsect.lds: ld script to bind the boot s 018 - sos_bsect.lds: ld script to bind the boot sector with the remaining 019 of the kernel 019 of the kernel 020 020 021 Misc: 021 Misc: 022 - qemu-port-e9.diff: patch over qemu to suppo 022 - qemu-port-e9.diff: patch over qemu to support the bochs "port 0xe9 hack" 023 023 024 024 025 What you can do with these files 025 What you can do with these files 026 ================================ 026 ================================ 027 027 028 028 029 *** Compile SOS from another architecture: 029 *** Compile SOS from another architecture: 030 ------------------------------------------ 030 ------------------------------------------ 031 - compile a cross-compiler for the i586-gnu t 031 - compile a cross-compiler for the i586-gnu target. This involves 032 compiling the binutils and gcc. Here are ex 032 compiling the binutils and gcc. Here are example configuration 033 options for them: 033 options for them: 034 binutils (replace sparc-cun-solaris with yo 034 binutils (replace sparc-cun-solaris with your arch): 035 ../binutils-2.13/configure --prefix=/udd/ 035 ../binutils-2.13/configure --prefix=/udd/ddecotig/temp_dd/xgcc/host-sparc-solaris7/stow/binutils-2.11 --host=sparc-sun-solaris2.7 i586-gnu 036 make && make install 036 make && make install 037 gcc (ditto): 037 gcc (ditto): 038 CFLAGS="-O2 -Dinhibit_libc" ../gcc-3.2/co 038 CFLAGS="-O2 -Dinhibit_libc" ../gcc-3.2/configure --target=i586-gnu --prefix=/udd/ddecotig/temp_dd/xgcc/host-sparc-solaris7/stow/gcc-3.2 --with-as=/udd/ddecotig/temp_dd/xgcc/host-sparc-solaris7/bin/as --with-ld=/udd/ddecotig/temp_dd/xgcc/host-sparc-solaris7/bin/ld --with-gnu-as --with-gnu-ld --enable-languages=c --disable-shared --disable-multilib --disable-nls --enable-threads=single 039 make && make install 039 make && make install 040 - compile the mtools 040 - compile the mtools 041 - copy dot.mkvars to the root directory of SO 041 - copy dot.mkvars to the root directory of SOS, as ".mkvars" 042 - customize the CC/LD/... variables to suit y 042 - customize the CC/LD/... variables to suit your cross-compiler 043 installatioon 043 installatioon 044 - now you may run make from the SOS root dire 044 - now you may run make from the SOS root directory, it should 045 generate the Grub boot floppy image. The fo 045 generate the Grub boot floppy image. The following warning is 046 normal: 046 normal: 047 .mkvars:16: attention : écrasement des co 047 .mkvars:16: attention : écrasement des commandes pour la cible « grub-sos.img » 048 Makefile:92: attention : anciennes comman 048 Makefile:92: attention : anciennes commandes ignorées pour la cible « grub-sos.img » 049 049 050 050 051 *** To compile SOS from an x86 where grub is n 051 *** To compile SOS from an x86 where grub is not or incorrectly installed: 052 ---------------------------------------------- 052 -------------------------------------------------------------------------- 053 - copy dot.mkvars to the root directory of SO 053 - copy dot.mkvars to the root directory of SOS, as ".mkvars" 054 - customize the CC/LD/... variables to suit y 054 - customize the CC/LD/... variables to suit your cross-compiler 055 installatioon 055 installatioon 056 - now you may run make from the SOS root dire 056 - now you may run make from the SOS root directory, it should 057 generate the Grub boot floppy image. The fo 057 generate the Grub boot floppy image. The following warning is 058 normal: 058 normal: 059 .mkvars:16: attention : écrasement des co 059 .mkvars:16: attention : écrasement des commandes pour la cible « grub-sos.img » 060 Makefile:92: attention : anciennes comman 060 Makefile:92: attention : anciennes commandes ignorées pour la cible « grub-sos.img » 061 061 062 062 063 *** To compile SOS with its own bootloader: 063 *** To compile SOS with its own bootloader: 064 ------------------------------------------- 064 ------------------------------------------- 065 - for cross-architecture compilation: see abo 065 - for cross-architecture compilation: see above 066 - cd to this extra/ directory 066 - cd to this extra/ directory 067 - run 'make' 067 - run 'make' 068 - the floppy image is: sos_bsect.img 068 - the floppy image is: sos_bsect.img 069 NOTE : SOS will not boot correctly this way a 069 NOTE : SOS will not boot correctly this way after article 2 ! 070 070 071 071 072 -- 072 -- 073 David Decotigny 073 David Decotigny
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