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4ad1096e48
Toolchain can use some flags by default based on cpu version. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
21 lines
720 B
Makefile
21 lines
720 B
Makefile
#
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# (C) Copyright 2007 - 2016 Michal Simek
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#
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# Michal SIMEK <monstr@monstr.eu>
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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CPU_VER := $(shell echo $(CONFIG_XILINX_MICROBLAZE0_HW_VER))
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# USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
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CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
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CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
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CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
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CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
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CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
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CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
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PLATFORM_CPPFLAGS += $(CPUFLAGS-1) $(CPUFLAGS-2)
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