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meta-arm/meta-arm-bsp/conf/layer.conf
Hugues KAMBA MPIANA b6b1a81f5e machine/corstone1000: Add Cortex‑A320 support
Enable the Corstone‑1000 Cortex‑A320 variant by:

- Introduce `machine/include/corstone1000-a320.inc` to configure the
  default Ethos‑U MAC count when `cortexa320` is in MACHINE_FEATURES,
  and allow override via `ETHOSU_NUM_MACS`.
- Add a KAS profile at `kas/corstone1000-a320.yml` for Cortex‑A320
  FVP-based builds.
- Extend corstone1000.inc to detect MACHINE_FEATURES (cortexa320) and
  pull in the matching tune-<core>.inc (default still Cortex-A35).
- Add the `meta-ethos` layer as a dependency of `meta-arm-bsp` for
  Cortex‑A320 builds and define a new KMachine override to pull in
  the Ethos‑U driver recipe.
- In `conf/machine/corstone1000-fvp.conf`, inspect `MACHINE_FEATURES`
  and set `FVP_EXE` to `FVP_Corstone-1000_with_Cortex-A320` when
  `cortexa320` is enabled, otherwise fall back to `FVP_Corstone-1000`.
- In `recipes-devtools/fvp/fvp-corstone1000.bb`, add a
  `SRC_URI:cortexa320` entry (with checksums) for the Cortex‑A320 FVP
  build archive.
- Disable the rootfs CPIO file compression so it is not compressed
  twice when bundled with the kernel

Signed-off-by: Michael Safwat <michael.safwat@arm.com>
Signed-off-by: Frazer Carsley <frazer.carsley@arm.com>
Signed-off-by: Hugues KAMBA MPIANA <hugues.kambampiana@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
2025-12-08 09:29:46 -05:00

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# We have a conf and classes directory, add to BBPATH
BBPATH .= ":${LAYERDIR}"
# We have recipes-* directories, add to BBFILES
BBFILES += "${LAYERDIR}/recipes-*/*/*.bb \
${LAYERDIR}/recipes-*/*/*.bbappend"
BBFILE_COLLECTIONS += "meta-arm-bsp"
BBFILE_PATTERN_meta-arm-bsp = "^${LAYERDIR}/"
BBFILE_PRIORITY_meta-arm-bsp = "5"
LAYERSERIES_COMPAT_meta-arm-bsp = "walnascar whinlatter"
LAYERDEPENDS_meta-arm-bsp = "core meta-arm"
# This won't be used by layerindex-fetch, but works everywhere else
LAYERDEPENDS_meta-arm-bsp:append:corstone1000 = " meta-python openembedded-layer efi-secure-boot"
LAYERDEPENDS_meta-arm-bsp:append:corstone1000:cortexa320 = " meta-ethos"
LAYERDEPENDS_meta-arm-bsp:append:musca-b1 = " meta-python"
LAYERDEPENDS_meta-arm-bsp:append:musca-s1 = " meta-python"
# Additional license directories.
LICENSE_PATH += "${LAYERDIR}/custom-licenses"
BBFILES_DYNAMIC += " \
meta-arm-systemready:${LAYERDIR}/dynamic-layers/meta-arm-systemready/*/*/*.bb \
meta-arm-systemready:${LAYERDIR}/dynamic-layers/meta-arm-systemready/*/*/*.bbappend \
"
WARN_QA:append:layer-meta-arm-bsp = " patch-status"
addpylib ${LAYERDIR}/lib oeqa
IMAGE_ROOTFS_EXTRA_ARGS ?= ""