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kernel.bbclass: State riscv required tune_features for Linux

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Required:
   rv32ima_zicsr_zifencei
   rv64ima_zicsr_zifencei

See the arch/riscv/Makefile:

riscv-march-$(CONFIG_ARCH_RV32I)	:= rv32ima
riscv-march-$(CONFIG_ARCH_RV64I)	:= rv64ima
riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI) := $(riscv-march-y)_zicsr_zifencei

(From OE-Core rev: 1dcefb02d7940476e4214c98f4cb9c5885015164)

Signed-off-by: Mark Hatle <mark.hatle@amd.com>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Mark Hatle 2025-07-02 16:44:21 -05:00 committed by Richard Purdie
parent e926f7a7f5
commit 3a2cda9e84
1 changed files with 5 additions and 1 deletions
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6
meta/classes-recipe/kernel.bbclass
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@ -4,10 +4,14 @@
# SPDX-License-Identifier: MIT
#
inherit linux-kernel-base kernel-module-split
inherit linux-kernel-base kernel-module-split features_check
COMPATIBLE_HOST = ".*-linux"
# Linux has a minimum ISA requires on riscv, see arch/riscv/Makefile
REQUIRED_TUNE_FEATURES:riscv32 = "rv 32 i m a zicsr zifencei"
REQUIRED_TUNE_FEATURES:riscv64 = "rv 64 i m a zicsr zifencei"
KERNEL_PACKAGE_NAME ??= "kernel"
KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else d.getVar("KERNEL_PACKAGE_NAME") }"