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https://github.com/brain-hackers/u-boot-brain
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62e92077a8
When building a Thumb-1-only target with CONFIG_SYS_THUMB_BUILD, some files fail to build, most of the time because they include mcr instructions, which only exist for Thumb-2. This patch introduces a Kconfig option CONFIG_THUMB2 and uses it to select between Thumb-2 and ARM mode for the aforementioned files. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
34 lines
652 B
Makefile
34 lines
652 B
Makefile
#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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extra-y = start.o
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obj-y = cpu.o cache.o
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ifdef CONFIG_SPL_BUILD
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ifdef CONFIG_SPL_NO_CPU_SUPPORT_CODE
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extra-y :=
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endif
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endif
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obj-$(CONFIG_ARMADA100) += armada100/
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obj-$(if $(filter lpc32xx,$(SOC)),y) += lpc32xx/
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obj-$(CONFIG_MX25) += mx25/
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obj-$(CONFIG_MX27) += mx27/
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obj-$(if $(filter mxs,$(SOC)),y) += mxs/
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obj-$(if $(filter spear,$(SOC)),y) += spear/
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# some files can only build in ARM or THUMB2, not THUMB1
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ifdef CONFIG_SYS_THUMB_BUILD
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ifndef CONFIG_HAS_THUMB2
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CFLAGS_cpu.o := -marm
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CFLAGS_cache.o := -marm
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endif
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endif
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