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#################################################################################################
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#################################################################################################
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# << NEORV32 - Application Makefile >> #
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# << NEORV32 - Application Makefile >> #
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# ********************************************************************************************* #
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# ********************************************************************************************* #
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# Make sure to add the riscv GCC compiler's bin folder to your PATH environment variable. #
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# Make sure to add the RISC-V GCC compiler's bin folder to your PATH environment variable. #
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# ********************************************************************************************* #
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# ********************************************************************************************* #
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# BSD 3-Clause License #
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# BSD 3-Clause License #
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# #
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# #
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# Copyright (c) 2020, Stephan Nolting. All rights reserved. #
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# Copyright (c) 2021, Stephan Nolting. All rights reserved. #
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# #
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# #
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# Redistribution and use in source and binary forms, with or without modification, are #
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# Redistribution and use in source and binary forms, with or without modification, are #
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# permitted provided that the following conditions are met: #
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# permitted provided that the following conditions are met: #
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# #
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# #
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# 1. Redistributions of source code must retain the above copyright notice, this list of #
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# 1. Redistributions of source code must retain the above copyright notice, this list of #
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# NEORV32 executable image generator
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# NEORV32 executable image generator
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IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
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IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
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# Compiler & linker flags
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# Compiler & linker flags
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CC_OPTS = $(MARCH) $(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -nostartfiles
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CC_OPTS = $(MARCH) $(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -nostartfiles -mno-fdiv
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CC_OPTS += -Wl,--gc-sections -lm -lc -lgcc -lc
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CC_OPTS += -Wl,--gc-sections -lm -lc -lgcc -lc
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# This accelerates instruction fetch after branches when C extension is enabled (irrelevant when C extension is disabled)
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# This accelerates instruction fetch after branches when C extension is enabled (irrelevant when C extension is disabled)
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CC_OPTS += -falign-functions=4 -falign-labels=4 -falign-loops=4 -falign-jumps=4
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CC_OPTS += -falign-functions=4 -falign-labels=4 -falign-loops=4 -falign-jumps=4
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CC_OPTS += $(USER_FLAGS)
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CC_OPTS += $(USER_FLAGS)
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