Re: [PATCH] PXE support for grub2

[Bean]

On Thu, Jul 31, 2008 at 12:50 AM, Bean <address@hidden> wrote:
> Hi,
>
> This patch add the (pxe) device that can be used to load files using
> the pxe service. It also add a user land command pxe that can be used
> to show pxe information as well as set some parameter.
>
> To create a pxe boot image:
>
> ./grub-mkimage -d . -o core.img pxe
> cat pxeboot.img core.img > g2pxe
>
> g2pxe is the pxe boot file, copy it to tftp server, you also need to
> copy *.mod, fs.lst, command.lst, moddep.lst and grub.cfg to /boot/grub
> directory in the tftp server.
>
> To test it in qemu, copy the files to directory such as /tftp, then:
>
> qemu -boot n -tftp /tftp -bootp /g2pxe
>
> usage for pxe command:
>
> pxe info
> Show information about pxe, like block size, client ip, etc.
>
> pxe blksize size
> Set block size. tftp transfer in trunks of bytes, the size can be
> configured. The minimum size is 512, which is also the default. The
> maximum size is 1432. Normally, you can increase download speed by
> setting larger block size, but some old tftp server may not support
> it. Also, qemu doesn't support size other than 512.
>
> pxe unload
> Unload the pxe runtime environment.
>
> Please note that this patch depends on my other patch bufio, you need
> to apply that first.
>
> 2008-07-30  Bean  <address@hidden>
>
>        * boot/i386/pc/pxeboot.S: Use drive number 0x7F for pxe.
>
>        * conf/i386-pc.rmk (kernel_img_HEADERS): Add machine/pxe.h.
>        (pkglib_MODULES): Add pxe.mod and pxecmd.mod.
>        (pxe_mod_SOURCES): New macro.
>        (pxe_mod_CFLAGS): Likewise.
>        (pxe_mod_LDFLAGS): Likewise.
>        (pxecmd_mod_SOURCES): Likewise.
>        (pxecmd_mod_CFLAGS): Likewise.
>        (pxecmd_mod_LDFLAGS): Likewise.
>
>        * kern/i386/pc/startup.S (grub_pxe_scan): New function.
>        (grub_pxe_call): Likewise.
>
>        * kern/i386/pc/init.c (make_install_device): Set root to (pxe) for pxe 
> boot.
>
>        * include/grub/disk.h (grub_disk_dev_id): Add GRUB_DISK_DEVICE_PXE_ID.
>
>        * commands/i386/pc/pxecmd.c: New file.
>
>        * disk/i386/pc/pxe.c: Likewise.
>
>        * include/grub/i386/pc/pxe.h: Likewise.

Hi,

Any comment ?

-- 
Bean