threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
28 lines
1.2 KiB
Makefile
28 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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lib-y := bitops.o clear_user.o delay.o copy_from_user.o \
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copy_to_user.o copy_in_user.o copy_page.o \
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clear_page.o memchr.o memcpy.o memmove.o memset.o \
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memcmp.o strcmp.o strncmp.o strlen.o strnlen.o \
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strchr.o strrchr.o
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# Tell the compiler to treat all general purpose registers (with the
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# exception of the IP registers, which are already handled by the caller
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# in case of a PLT) as callee-saved, which allows for efficient runtime
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# patching of the bl instruction in the caller with an atomic instruction
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# when supported by the CPU. Result and argument registers are handled
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# correctly, based on the function prototype.
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ifeq ($(ld-name),lld)
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# https://bugs.llvm.org/show_bug.cgi?id=35841
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obj-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
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else
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lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
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endif
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CFLAGS_atomic_ll_sc.o := -ffixed-x1 -ffixed-x2 \
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-ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \
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-ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \
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-fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \
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-fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \
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-fcall-saved-x18
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lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o
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