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59 lines
2.5 KiB
Makefile
Executable File
59 lines
2.5 KiB
Makefile
Executable File
# Jordan Carlin, jcarlin@hmc.edu, August 2024
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# Makefile to generate RISCV and IEEE varaints of Testfloat for CORE-V-Wally
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# SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
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# Makefile to build testfloat and softfloat executables for IEEE and RISC-V floating point variants
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# Disable parallel execution because both versions of softfloat/testfloat use the same build directory
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.NOTPARALLEL:
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.SECONDEXPANSION:
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DIR := $(shell pwd)
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# SoftFloat variables
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SOFTFLOAT_DIR := ${WALLY}/addins/berkeley-softfloat-3
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SOFTFLOAT_INCLUDE_DIR := source/include/
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SOFTFLOAT_BUILD_DIR := build/Linux-x86_64-GCC/
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SOFTFLOAT_ORIGINAL_BUILD_DIR := ${SOFTFLOAT_DIR}/${SOFTFLOAT_BUILD_DIR}
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SOFTFLOAT_ORIGINAL_INCLUDE_DIR := ${SOFTFLOAT_DIR}/${SOFTFLOAT_INCLUDE_DIR}
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SOFTFLOAT_LIB := softfloat.a
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COPIED_SOFTFLOAT_LIB := softfloat/${SOFTFLOAT_BUILD_DIR}/${SOFTFLOAT_LIB}
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ORIGINAL_SOFTFLOAT_LIB := ${SOFTFLOAT_ORIGINAL_BUILD_DIR}/${SOFTFLOAT_LIB}
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# TestFloat variables
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TESTFLOAT_DIR := ${WALLY}/addins/berkeley-testfloat-3
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TESTFLOAT_BUILD_DIR := build/Linux-x86_64-GCC
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TESTFLOAT_ORIGINAL_BUILD_DIR := ${TESTFLOAT_DIR}/${TESTFLOAT_BUILD_DIR}
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TESTFLOAT_EXECUTABLES := testfloat testfloat_gen testfloat_ver testsoftfloat timesoftfloat
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ORIGINAL_TESTFLOAT_EXECUTABLES := $(foreach item,${TESTFLOAT_EXECUTABLES},$(patsubst %,${TESTFLOAT_ORIGINAL_BUILD_DIR}%,/${item}))
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.PHONY: all ieee riscv clean
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all: ieee riscv
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ieee riscv: $$@/testfloat/${TESTFLOAT_BUILD_DIR}/testfloat
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%/testfloat/${TESTFLOAT_BUILD_DIR}/testfloat: %/$(COPIED_SOFTFLOAT_LIB)
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$(MAKE) -C $(TESTFLOAT_ORIGINAL_BUILD_DIR) clean
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$(MAKE) SOFTFLOAT_DIR=${DIR}/$*/softfloat -C $(TESTFLOAT_ORIGINAL_BUILD_DIR)
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cp -r ${ORIGINAL_TESTFLOAT_EXECUTABLES} $*/testfloat/${TESTFLOAT_BUILD_DIR}/
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$(MAKE) -C $(TESTFLOAT_ORIGINAL_BUILD_DIR) clean
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# Build specified version of SoftFloat, either IEEE or RISCV
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riscv/$(COPIED_SOFTFLOAT_LIB): SPECIALIZE_TYPE = SPECIALIZE_TYPE=RISCV
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%/$(COPIED_SOFTFLOAT_LIB): %/${SOFTFLOAT_INCLUDE_DIR}/softfloat.h
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$(MAKE) -C $(SOFTFLOAT_ORIGINAL_BUILD_DIR) clean
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$(MAKE) $(SPECIALIZE_TYPE) -C $(SOFTFLOAT_ORIGINAL_BUILD_DIR)
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cp ${ORIGINAL_SOFTFLOAT_LIB} $*/${COPIED_SOFTFLOAT_LIB}
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$(MAKE) -C $(SOFTFLOAT_ORIGINAL_BUILD_DIR) clean
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# Setup directories and link softfloat headers
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%/${SOFTFLOAT_INCLUDE_DIR}/softfloat.h:
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mkdir -p $*/softfloat/source/include
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ln -sf ${SOFTFLOAT_ORIGINAL_INCLUDE_DIR}/* $*/softfloat/${SOFTFLOAT_INCLUDE_DIR}
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mkdir -p $*/softfloat/build/Linux-x86_64-GCC
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mkdir -p $*/testfloat/${TESTFLOAT_BUILD_DIR}
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clean:
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rm -rf ieee/* riscv/*
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