[Bug 2025578] Comment bridged from LTC Bugzilla

[bugproxy]

------- Comment From MHartmay at de.ibm.com 2023-07-14 10:13 EDT-------
As of commit https://github.com/ibm-s390-linux/s390-tools/commit/de013d2f04b32b3b456877ad44a7158be695437b, genprotimg is also built on architectures other than s390x (note: the bootloaders are skipped - they need to be built with a cross-compiler or on a s390x system).

$ # Build and install /usr/bin/genprotimg
$ make -C genprotimg
$ make install -C genprotimg

$ # Build and install the genprotimg bootloaders unsing a cross-compiler or on a s390x system
$ make -C genprotimg/boot HOST_ARCH=s390x CROSS_COMPILE=s390x-linux-gnu-
$ make install -C genprotimg/boot HOST_ARCH=s390x CROSS_COMPILE=s390x-linux-gnu-

See
https://github.com/ibm-s390-linux/s390-tools/discussions/150#discussioncomment-6371525
for details.

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Title:
  [23.10 FEAT] Provide s390-tools on x86_64 to enable Secure Execution
  in the Cloud

Status in Ubuntu on IBM z Systems:
  In Progress
Status in s390-tools package in Ubuntu:
  In Progress
Status in s390-tools-signed package in Ubuntu:
  In Progress

Bug description:
  Feature Description:

  Selected tools from the s390-tools package need to be made available
  on x86_64.

  This will enable the integration of IBM Z machines running Secure Execution in a cloud environment where users don't necessarily need to have an s390x environment.
  genprotimg (for building secure images) and pvattest (for external attestation) are examples for these tools.
  This feature requires structural changes to the s390-tools package to e.g. in the Makefile and potential changes on the distributor side to reflect their changes on the package.

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