toolchain.inc: Add x86-64 support
For now, share code with x86, and use the "large" code model. Also align the architecture specific CFLAGS in toolchain.inc for cosmetics. Change-Id: Ie84893d3460115802fbd70c28b10e709029c6b4e Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Signed-off-by: Scott Duplichan <scott@notabs.org> Reviewed-on: http://review.coreboot.org/8690 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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@ -56,6 +56,7 @@ MAP-libverstage := verstage
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ARCHDIR-i386 := x86
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ARCHDIR-x86_32 := x86
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ARCHDIR-x86_64 := x86
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ARCHDIR-arm := arm
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ARCHDIR-arm64 := arm64
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ARCHDIR-riscv := riscv
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@ -63,7 +64,7 @@ ARCHDIR-mips := mips
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CFLAGS_arm := -ffunction-sections -fdata-sections
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CFLAGS_arm64 := -ffunction-sections -fdata-sections
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CFLAGS_arm64 := -ffunction-sections -fdata-sections
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CFLAGS_mips := -mips32r2 -G 0 -ffunction-sections -fdata-sections
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CFLAGS_mips += -mno-abicalls -fno-pic
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@ -71,6 +72,8 @@ CFLAGS_mips += -mno-abicalls -fno-pic
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CFLAGS_x86_32 += -ffunction-sections -fdata-sections
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CFLAGS_riscv := -ffunction-sections -fdata-sections
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CFLAGS_x86_64 := -mcmodel=large
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toolchain_to_dir = \
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$(foreach arch,$(ARCH_SUPPORTED),\
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$(eval CPPFLAGS_$(arch) += \
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