29 lines
1.1 KiB
Text
29 lines
1.1 KiB
Text
# determines TARGET_CPU, if not forced by user
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if [ -z "${TARGET_CPU}" ]; then
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TARGET_CPU=cortex-a53
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fi
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# TARGET_CPU:
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# generic cortex-a35 cortex-a53 cortex-a57 cortex-a72
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# exynos-m1 qdf24xx thunderx xgene1 cortex-a57.cortex-a53
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# cortex-a72.cortex-a53
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# determine architecture's family
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case ${TARGET_CPU} in
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generic|cortex-a35|cortex-a53|cortex-a57|cortex-a72|exynos-m1|qdf24xx|thunderx|xgene1|cortex-a57.cortex-a53|cortex-a72.cortex-a53|cortex-a55|cortex-a76.cortex-a55)
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TARGET_SUBARCH=aarch64
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TARGET_VARIANT=armv8-a
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TARGET_ABI=eabi
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TARGET_FEATURES+=" neon"
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;;
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esac
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TARGET_GCC_ARCH=${TARGET_SUBARCH/-}
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TARGET_KERNEL_ARCH=arm64
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# setup ARCH specific *FLAGS
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TARGET_CFLAGS="-march=${TARGET_VARIANT}${TARGET_CPU_FLAGS} -mabi=lp64 -Wno-psabi -mtune=${TARGET_CPU}"
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# Disable runtime checking support of ARMv8.0's optional LSE feature. Breaks gdb and mesa compile.
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TARGET_CFLAGS="${TARGET_CFLAGS} -mno-outline-atomics"
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TARGET_LDFLAGS="-march=${TARGET_VARIANT}${TARGET_CPU_FLAGS} -mtune=${TARGET_CPU}"
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GCC_OPTS="--with-abi=lp64 --with-arch=${TARGET_VARIANT}"
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