Files
Bernhard M. Wiedemann 579d698da6 etherboot: use gzip -n
to not include current timestamp in results
to allow for reproducible builds.

See https://reproducible-builds.org/ for why this matters

Signed-off-by: Bernhard M. Wiedemann <bwiedemann@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
2017-06-22 16:44:15 +01:00

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This directory builds gPXE option ROMs from the gPXE source
tarball. We provide this tarball in our source so that the option ROMs
can be reconstructed from source, allowing easier debugging and
fulfilling the terms of the GPL.
We make a few non-standard settings, most to do with timeouts and when
to give up, and for stricter DHCP spec compliance.
----------------------------------------
Since gPXE upstream do not appear to distribute tarballs, we
generated one ourselves with the following runes (to extract the tree
as on 25th September 2008):
git clone git://git.etherboot.org/scm/gpxe.git
cd gpxe
git archive --format=tar --prefix=gpxe/ c24bc349ead939d90b5784dbff3cd9fdb9d83ba8 | gzip -n >../gpxe-git-snapshot.tar.gz
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Previously, an image from Rom-o-matic.net was provided here, fetched
from the following URL:
http://rom-o-matic.net/5.4.3/build.php?version=5.4.3&F=ignore&nic=rtl8139%3Artl8139+--+%5B0x10ec%2C0x8139%5D&ofmt=Binary+ROM+Image%28.zrom%29&arch=i386&ASK_BOOT=-1&BOOT_FIRST=BOOT_NIC&BOOT_SECOND=BOOT_NOTHING&BOOT_THIRD=BOOT_NOTHING&BOOT_INDEX=0&STATIC_CLIENT_IP=&STATIC_SUBNET_MASK=&STATIC_SERVER_IP=&STATIC_GATEWAY_IP=&STATIC_BOOTFILE=&EXIT_ON_FILE_LOAD_ERROR=on&DHCP_CLIENT_ID=&DHCP_CLIENT_ID_LEN=&DHCP_CLIENT_ID_TYPE=&DHCP_USER_CLASS=&DHCP_USER_CLASS_LEN=&ALLOW_ONLY_ENCAPSULATED=on&DEFAULT_BOOTFILE=&CONGESTED=on&BACKOFF_LIMIT=7&TIMEOUT=180&TRY_FLOPPY_FIRST=0&EXIT_IF_NO_OFFER=on&TAGGED_IMAGE=on&ELF_IMAGE=on&PXE_IMAGE=on&DOWNLOAD_PROTO_TFTP=on&COMCONSOLE=0x3F8&CONSPEED=9600&COMPARM=0x03&PXE_EXPORT=on&CONFIG_PCI=on&CONFIG_ISA=on&BUILD_ID=&PCBIOS=on&PXE_DHCP_STRICT=on&A=Get+ROM
The mkhex script in tools/firmware/hvmloader will make the header file
from the downloaded image.