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33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
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#
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# Loongson Processors' Support
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#
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# Only gcc >= 4.4 have Loongson specific support
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cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap
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cflags-$(CONFIG_CPU_LOONGSON2E) += \
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$(call cc-option,-march=loongson2e,-march=r4600)
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cflags-$(CONFIG_CPU_LOONGSON2F) += \
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$(call cc-option,-march=loongson2f,-march=r4600)
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# Enable the workarounds for Loongson2f
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ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
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ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),)
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$(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop)
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else
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cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop
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endif
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ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),)
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$(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump)
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else
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cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump
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endif
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endif
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#
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# Loongson Machines' Support
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#
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platform-$(CONFIG_MACH_LOONGSON) += loongson/
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cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely
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load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
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load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
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