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We want exclusive access to the network device, both for performance
reasons and because we perform operations such as EAPoL that affect
the entire link. We currently drive the network card via either a
native hardware driver or via the SNP or NII/UNDI interfaces, both of
which grant us this exclusive access.
Add an alternative driver that drives the network card non-exclusively
via the EFI_MANAGED_NETWORK_PROTOCOL interface. This can function as
a fallback for situations where neither SNP nor NII/UNDI interfaces
are functional, and also opens up the possibility of non-destructively
installing a temporary network device over which to download the
autoexec.ipxe script.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Multiple target patterns in pattern rules are treated as grouped
targets regardless of the separator character. Newer verions of make
will generate "warning: pattern recipe did not update peer target" to
warn that the rule was expected to update all of the (implicitly)
grouped targets.
Fix by splitting all multiple target pattern rules into single target
pattern rules.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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When building an EFI ROM image for which no PCI vendor/device ID is
applicable (e.g. bin-x86_64-efi/ipxe.efirom), the build process will
currently construct a command such as
./util/efirom -v -d -c bin-x86_64-efi/ipxe.efidrv \
bin-x86_64-efi/ipxe.efirom
which gets interpreted as a vendor ID of "-0xd" (i.e. 0xfff3, after
truncation to 16 bits).
Fix by using an explicit zero ID when no applicable ID exists, as is
already done when constructing BIOS ROM images.
Reported-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Use the reference implementation of the EFI compression algorithm
(taken from the EDK2 codebase, with minor bugfixes to allow
compilation with -Werror) to compress EFI ROM images.
Inspired-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Generalise util/geniso, util/gensdsk, and util/genefidsk to create a
single script util/genfsimg that can be used to build either FAT
filesystem images or ISO images.
Extend the functionality to allow for building multi-architecture UEFI
bootable ISO images and combined BIOS+UEFI images.
For example:
./util/genfsimg -o combined.iso \
bin-x86_64-efi/ipxe.efi \
bin-arm64-efi/ipxe.efi \
bin/ipxe.lkrn
would generate a hybrid image that could be used as a CDROM (or hard
disk or USB key) on legacy BIOS, x86_64 UEFI, or ARM64 UEFI.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Enable -fstack-protector for EFI builds, where binary size is less
critical than for BIOS builds.
The stack cookie must be constructed immediately on entry, which
prohibits the use of any viable entropy source. Construct a cookie by
XORing together various mildly random quantities to produce a value
that will at least not be identical on each run.
On detecting a stack corruption, attempt to call Exit() with an
appropriate error. If that fails, then lock up the machine since
there is no other safe action that can be taken.
The old conditional check for support of -fno-stack-protector is
omitted since this flag dates back to GCC 4.1.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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Signed-off-by: Michael Brown <mcb30@ipxe.org>
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