This adds the support for the Neoverse N2 core, even though the Neoverse N2 core implements the Arm v9.0-A architecture, but the support of it in GCC is based on the Arm v8.5-A architecture. Please see the commit 50d9db203bc3 ("aarch64: Add support for Neoverse N2 CPU") in GCC for more detail.
(From OE-Core rev: 37597397f03b6b0082a702147dc536ff8b2fa7a3) Signed-off-by: Kevin Hao <kexin....@windriver.com> Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org> [Kevin: Convert to the old style override syntax] Signed-off-by: Kevin Hao <kexin....@windriver.com> --- .../include/arm/armv9a/tune-neoversen2.inc | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 meta/conf/machine/include/arm/armv9a/tune-neoversen2.inc diff --git a/meta/conf/machine/include/arm/armv9a/tune-neoversen2.inc b/meta/conf/machine/include/arm/armv9a/tune-neoversen2.inc new file mode 100644 index 000000000000..dedabcf46e23 --- /dev/null +++ b/meta/conf/machine/include/arm/armv9a/tune-neoversen2.inc @@ -0,0 +1,22 @@ +# +# Tune Settings for Neoverse-N2 +# +DEFAULTTUNE ?= "neoversen2" + +TUNEVALID[neoversen2] = "Enable Neoverse-N2 specific processor optimizations" +TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'neoversen2', ' -mcpu=neoverse-n2', '', d)}" + +# Even though the Neoverse N2 core implemnts the Arm v9.0-A architecture, +# but the support of it in GCC is based on the Arm v8.5-A architecture. +require conf/machine/include/arm/arch-armv8-5a.inc + +# Little Endian base configs +AVAILTUNES += "neoversen2 neoversen2-crypto" +ARMPKGARCH_tune-neoversen2 = "neoversen2" +ARMPKGARCH_tune-neoversen2-crypto = "neoversen2-crypto" +TUNE_FEATURES_tune-neoversen2 = "${TUNE_FEATURES_tune-armv8-5a} neoversen2" +TUNE_FEATURES_tune-neoversen2-crypto = "${TUNE_FEATURES_tune-neoversen2} crypto" +PACKAGE_EXTRA_ARCHS_tune-neoversen2 = "${PACKAGE_EXTRA_ARCHS_tune-armv8-5a} neoversen2" +PACKAGE_EXTRA_ARCHS_tune-neoversen2-crypto = "${PACKAGE_EXTRA_ARCHS_tune-armv8-5a-crypto} neoversen2 neoversen2-crypto" +BASE_LIB_tune-neoversen2 = "lib64" +BASE_LIB_tune-neoversen2-crypto = "lib64" -- 2.31.1
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