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42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
# 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 $TARGET_CPU in
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generic|cortex-a35|cortex-a53|cortex-a57|cortex-a72|exynos-m1|qdf24xx|thunderx|xgene1|cortex-a57.cortex-a53|cortex-a72.cortex-a53|cortex-a73.cortex-a53)
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TARGET_SUBARCH=armv8-a
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TARGET_ABI=eabi
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TARGET_FEATURES+=" neon"
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# This only makes sense for 8.0-a, later revisions have LSE
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TARGET_CFLAGS=" -mno-outline-atomics"
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;;
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cortex-a55|cortex-a76.cortex-a55|cortex-a77|cortex-a75.cortex-a55)
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TARGET_SUBARCH=armv8.2-a
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TARGET_ABI=eabi
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TARGET_FEATURES+=" neon"
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;;
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cortex-x3)
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TARGET_SUBARCH=armv9-a
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TARGET_ABI=eabi
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TARGET_FEATURES+=" neon"
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;;
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esac
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TARGET_SUBARCH="$TARGET_SUBARCH$TARGET_ARCH_FLAGS"
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TARGET_TUNE="$TARGET_CPU"
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TARGET_GCC_ARCH=aarch64
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TARGET_KERNEL_ARCH=arm64
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# setup ARCH specific *FLAGS
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TARGET_CFLAGS="$TARGET_CFLAGS -march=$TARGET_SUBARCH -mtune=$TARGET_TUNE -mabi=lp64 -Wno-psabi"
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TARGET_LDFLAGS="$TARGET_LDFLAGS -march=$TARGET_SUBARCH -mtune=$TARGET_TUNE"
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TARGET_ARCH_GCC_OPTS="--with-abi=lp64 --with-arch=$TARGET_SUBARCH --with-tune=$TARGET_TUNE"
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