new routine binning tool - modified dynamic knapsack solving algorithm
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FeralChild64 committed
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commit
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14 files changed
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@@ -1,9 +1,6 @@
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# Compilation related files
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temp.s
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temp.sym
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assembler/KickAss*
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build/*
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@@ -1,27 +1,41 @@
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# Source files
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SRC_COMMON = $(wildcard c64/aliases/*.s)
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SRC_BASIC_COMMON = $(SRC_COMMON) $(wildcard c64/basic/*.s)
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SRC_KERNAL_COMMON = $(SRC_COMMON) $(wildcard c64/kernal/*.s c64/kernal/jumptable/*.s c64/kernal/iec/*.s c64/kernal/interrupts/*.s)
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SRCDIR_COMMON = c64/aliases
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SRCDIR_BASIC_COMMON = $(SRCDIR_COMMON) c64/basic
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SRCDIR_KERNAL_COMMON = $(SRCDIR_COMMON) c64/kernal c64/kernal/jumptable c64/kernal/iec c64/kernal/interrupts
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SRC_BASIC_generic = $(SRC_BASIC_COMMON) $(wildcard c64/basic/,target_generic/*.s)
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SRC_BASIC_mega65 = $(SRC_BASIC_COMMON) $(wildcard c64/basic/,target_mega65/*.s)
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SRC_BASIC_ultimate64 = $(SRC_BASIC_COMMON) $(wildcard c64/basic/,target_ultimate64/*.s)
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SRCDIR_BASIC_generic = $(SRCDIR_BASIC_COMMON) c64/basic/,target_generic
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SRCDIR_BASIC_mega65 = $(SRCDIR_BASIC_COMMON) c64/basic/,target_mega65
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SRCDIR_BASIC_ultimate64 = $(SRCDIR_BASIC_COMMON) c64/basic/,target_ultimate64
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SRC_KERNAL_generic = $(SRC_KERNAL_COMMON) $(wildcard c64/kernal/,target_generic/*.s)
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SRC_KERNAL_mega65 = $(SRC_KERNAL_COMMON) $(wildcard c64/kernal/,target_mega65/*.s)
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SRC_KERNAL_ultimate64 = $(SRC_KERNAL_COMMON) $(wildcard c64/kernal/,target_ultimate64/*.s)
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SRCDIR_KERNAL_generic = $(SRCDIR_KERNAL_COMMON) c64/kernal/,target_generic
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SRCDIR_KERNAL_mega65 = $(SRCDIR_KERNAL_COMMON) c64/kernal/,target_mega65
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SRCDIR_KERNAL_ultimate64 = $(SRCDIR_KERNAL_COMMON) c64/kernal/,target_ultimate64
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SRC_TOOLS = $(wildcard src/tools/*.c,src/tools/*.cc)
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# List of tools
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TOOL_COLLECT_DATA = build/tools/collect_data
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TOOL_COMPRESS_TEXT = build/tools/compress_text
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TOOL_PNGPREPARE = build/tools/pngprepare
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TOOL_PREPROCESS = build/tools/preprocess
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TOOL_SIMILARITY = build/tools/similarity
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TOOL_COLLECT_DATA = build/tools/collect_data
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TOOL_COMPRESS_TEXT = build/tools/compress_text
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TOOL_PNGPREPARE = build/tools/pngprepare
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TOOL_BUILD_SEGMENT = build/tools/build_segment
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TOOL_SIMILARITY = build/tools/similarity
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TOOL_ASSEMBLER = assembler/KickAss.jar
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TOOLS_LIST = $(TOOL_COLLECT_DATA) $(TOOL_COMPRESS_TEXT) $(TOOL_PNGPREPARE) $(TOOL_PREPROCESS) $(TOOL_SIMILARITY)
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TOOLS_LIST = $(pathsubst src/tools/%,build/tools/%,$(basename $(SRC_TOOLS)))
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# List of targets
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STD_TARGET_LIST = build/kernal_generic.rom build/basic_generic.rom \
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build/kernal_mega65.rom build/basic_mega65.rom \
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build/kernal_ultimate64.rom build/basic_ultimate64.rom \
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build/chargen.rom
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EXT_TARGET_LIST = build/newc65.rom
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REL_TARGET_LIST = $(pathsubst build/%,bin/%, $(STD_TARGET_LIST))
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# GIT commit
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@@ -31,126 +45,115 @@ GIT_COMMIT:= $(shell git log -1 --pretty='%h' | tr '[:lower:]' '[:upper:]')
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.PHONY: all clean updatebin
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all: build/chargen build/newkern_generic build/newbasic_generic build/newc65 build/newkern_ultimate64 build/newbasic_ultimate64
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all: $(STD_TARGET_LIST) $(EXT_TARGET_LIST)
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clean:
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@rm -rf build
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@rm -f temp.s
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@rm -f temp.sym
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updatebin: build/chargen build/newbasic_generic build/newkern_generic build/newbasic_mega65 build/newkern_mega65 build/newbasic_ultimate64 build/newkern_ultimate64
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cp build/chargen bin/chargen.rom
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cp build/newbasic_generic bin/basic_generic.rom
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cp build/newkern_generic bin/kernal_generic.rom
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cp build/newbasic_mega65 bin/basic_mega65.rom
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cp build/newkern_mega65 bin/kernal_mega65.rom
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cp build/newbasic_ultimate64 bin/basic_ultimate64.rom
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cp build/newkern_ultimate64 bin/kernal_ultimate64.rom
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updatebin: $(STD_TARGET_LIST)
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cp build/chargen.rom bin/chargen.rom
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cp build/basic_generic.rom bin/basic_generic.rom
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cp build/kernal_generic.rom bin/kernal_generic.rom
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cp build/basic_mega65.rom bin/basic_mega65.rom
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cp build/kernal_mega65.rom bin/kernal_mega65.rom
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cp build/basic_ultimate64.rom bin/basic_ultimate64.rom
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cp build/kernal_ultimate64.rom bin/kernal_ultimate64.rom
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# Rules - tools
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$(TOOL_COLLECT_DATA): src/collect_data.c Makefile
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$(TOOL_PNGPREPARE): src/pngprepare.c Makefile
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@mkdir -p build/tools
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gcc -Wall -o $(TOOL_COLLECT_DATA) src/collect_data.c
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$(CC) -O2 -Wall -I/usr/local/include -L/usr/local/lib -o $@ $< -lpng
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$(TOOL_COMPRESS_TEXT): src/compress_text.c Makefile
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@mkdir -p build/tools
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gcc -g -Wall -o $(TOOL_COMPRESS_TEXT) src/compress_text.c -lm
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$(CC) -O2 -Wall -I/usr/local/include -L/usr/local/lib -o $@ $< -lm
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$(TOOL_PNGPREPARE): src/pngprepare.c Makefile
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build/tools/%: src/%.c Makefile
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@mkdir -p build/tools
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$(CC) $(COPT) -I/usr/local/include -L/usr/local/lib -o $(TOOL_PNGPREPARE) src/pngprepare.c -lpng
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$(CC) -O2 -Wall -o $@ $<
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$(TOOL_PREPROCESS): src/preprocess.c Makefile
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build/tools/%: src/%.cc Makefile
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@mkdir -p build/tools
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gcc -g -Wall -o $(TOOL_PREPROCESS) src/preprocess.c
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$(TOOL_SIMILARITY): src/similarity.c Makefile
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@mkdir -p build/tools
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gcc -g -Wall -o $(TOOL_SIMILARITY) src/similarity.c
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$(CXX) -O2 -Wall -o $@ $<
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# Rules - CHARGEN
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build/chargen: $(TOOL_PNGPREPARE) assets/8x8font.png
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$(TOOL_PNGPREPARE) charrom assets/8x8font.png build/chargen
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build/chargen.rom: $(TOOL_PNGPREPARE) assets/8x8font.png
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$(TOOL_PNGPREPARE) charrom assets/8x8font.png build/chargen.rom
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# Dependencies
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# Dependencies - BASIC and KERNAL
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build/basic_generic/OUT.BIN: $(TOOLS_LIST) $(SRC_BASIC_generic) build/basic/packed_messages.s
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build/kernal_generic/OUT.BIN: $(TOOLS_LIST) $(SRC_KERNAL_generic)
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build/newrom_generic: build/basic_generic/OUT.BIN build/kernal_generic/OUT.BIN
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build/newkern_generic: build/newrom_generic Makefile
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build/newbasic_generic: build/newrom_generic Makefile
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build/target_generic/OUTB.BIN: $(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(SRCDIR_BASIC_generic) $(foreach dir,$(SRCDIR_BASIC_generic),$(wildcard $(dir)/*.s)) build/,generated/gen_packed_messages.s
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build/target_mega65/OUTB.BIN: $(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(SRCDIR_BASIC_mega65) $(foreach dir,$(SRCDIR_BASIC_mega65),$(wildcard $(dir)/*.s)) build/,generated/gen_packed_messages.s
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build/target_ultimate64/OUTB.BIN: $(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(SRCDIR_BASIC_ultimate64) $(foreach dir,$(SRCDIR_BASIC_ultimate64),$(wildcard $(dir)/*.s)) build/,generated/gen_packed_messages.s
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build/basic_mega65/OUT.BIN: $(TOOLS_LIST) $(SRC_BASIC_mega65) build/basic/packed_messages.s
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build/kernal_mega65/OUT.BIN: $(TOOLS_LIST) $(SRC_KERNAL_mega65)
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build/newrom_mega65: build/basic_mega65/OUT.BIN build/kernal_mega65/OUT.BIN
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build/newkern_mega65: build/newrom_mega65 Makefile
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build/newbasic_mega65: build/newrom_mega65 Makefile
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build/target_generic/OUTK.BIN: $(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(SRCDIR_KERNAL_generic) $(foreach dir,$(SRCDIR_KERNAL_generic),$(wildcard $(dir)/*.s))
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build/target_mega65/OUTK.BIN: $(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(SRCDIR_KERNAL_mega65) $(foreach dir,$(SRCDIR_KERNAL_mega65),$(wildcard $(dir)/*.s))
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build/target_ultimate64/OUTK.BIN: $(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(SRCDIR_KERNAL_ultimate64) $(foreach dir,$(SRCDIR_KERNAL_ultimate64),$(wildcard $(dir)/*.s))
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build/basic_ultimate64/OUT.BIN: $(TOOLS_LIST) $(SRC_BASIC_ultimate64) build/basic/packed_messages.s
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build/kernal_ultimate64/OUT.BIN: $(TOOLS_LIST) $(SRC_KERNAL_ultimate64)
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build/newrom_ultimate64: build/basic_ultimate64/OUT.BIN build/kernal_ultimate64/OUT.BIN
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build/newkern_ultimate64: build/newrom_ultimate64 Makefile
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build/newbasic_ultimate64: build/newrom_ultimate64 Makefile
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build/target_generic/newrom: build/target_generic/OUTB.BIN build/target_generic/OUTK.BIN
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build/target_mega65/newrom: build/target_mega65/OUTB.BIN build/target_mega65/OUTK.BIN
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build/target_ultimate64/newrom: build/target_ultimate64/OUTB.BIN build/target_ultimate64/OUTK.BIN
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build/kernal_generic.rom: build/target_generic/newrom
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build/kernal_mega65.rom: build/target_mega65/newrom
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build/kernal_ultimate64.rom: build/target_ultimate64/newrom
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build/basic_generic.rom: build/target_generic/newrom
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build/basic_mega65.rom: build/target_mega65/newrom
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build/basic_ultimate64.rom: build/target_ultimate64/newrom
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# Rules - BASIC and KERNAL
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build/basic/packed_messages.s: $(TOOL_COMPRESS_TEXT)
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@mkdir -p build/basic
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$(TOOL_COMPRESS_TEXT) > build/basic/packed_messages.s
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build/,generated/gen_packed_messages.s: $(TOOL_COMPRESS_TEXT)
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@mkdir -p build/,generated
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$(TOOL_COMPRESS_TEXT) > build/,generated/gen_packed_messages.s
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.PRECIOUS: build/basic_%/OUT.BIN
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build/basic_%/OUT.BIN: $(TOOLS_LIST) $(SRC_BASIC_$*) build/basic/packed_messages.s
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@mkdir -p build/basic_$*
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@rm -f build/basic_$*/*
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@for SRC in $(SRC_BASIC_$*); do \
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ln -s ../../$$SRC build/basic_$*/$$(basename $$SRC); \
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done
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@ln -s ../../build/basic/packed_messages.s build/basic_$*/packed_messages.s
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$(TOOL_PREPROCESS) -d build/basic_$* -l a000 -h e4d2
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.PRECIOUS: build/target_%/OUTB.BIN
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build/target_%/OUTB.BIN:
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@mkdir -p build/target_$*
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@rm -f $@* build/target_$*/BASIC*
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@$(TOOL_BUILD_SEGMENT) -s BASIC -i BASIC-$* -o OUTB.BIN -t build/target_$* -l a000 -h e4d2 $(SRCDIR_BASIC_$*) build/,generated
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.PRECIOUS: build/kernal_%/OUT.BIN
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build/kernal_%/OUT.BIN: $(TOOLS_LIST) $(SRC_KERNAL_$*)
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@mkdir -p build/kernal_$*
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@rm -f build/kernal_$*/*
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@for SRC in $(SRC_KERNAL_$*); do \
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ln -s ../../$$SRC build/kernal_$*/$$(basename $$SRC); \
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done
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$(TOOL_PREPROCESS) -d build/kernal_$* -l e4d3 -h ffff
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.PRECIOUS: build/target_%/OUTK.BIN
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build/target_%/OUTK.BIN:
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@mkdir -p build/target_$*
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@rm -f $@* build/target_$*/KERNAL*
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@$(TOOL_BUILD_SEGMENT) -s KERNAL -i KERNAL-$* -o OUTK.BIN -t build/target_$* -l e4d3 -h ffff $(SRCDIR_KERNAL_$*)
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.PRECIOUS: build/newrom_%
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build/newrom_%: build/basic_%/OUT.BIN build/kernal_%/OUT.BIN
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cat build/basic_$*/OUT.BIN build/kernal_$*/OUT.BIN > build/newrom_$*
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.PRECIOUS: build/target_%/newrom
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build/target_%/newrom:
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cat build/target_$*/OUTB.BIN build/target_$*/OUTK.BIN > $@
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.PRECIOUS: build/newkern_%
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build/newkern_%: build/newrom_% Makefile
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dd if=build/newrom_$* bs=8192 count=1 skip=2 of=build/newkern_$*
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.PRECIOUS: build/kernal_%.rom
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build/kernal_%.rom:
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dd if=build/target_$*/newrom bs=8192 count=1 skip=2 of=$@
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.PRECIOUS: build/newbasic_%
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build/newbasic_%: build/newrom_% Makefile
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dd if=build/newrom_$* bs=8192 count=1 skip=0 of=build/newbasic_$*
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.PRECIOUS: build/basic_%.rom
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build/basic_%.rom:
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dd if=build/target_$*/newrom bs=8192 count=1 skip=0 of=$@
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# Rules - platform 'Mega 65' specific
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build/newc65: build/newkern_mega65 build/newbasic_mega65 build/chargen Makefile
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dd if=/dev/zero bs=4096 count=10 of=build/newc65
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cat build/newbasic_mega65 build/chargen build/chargen build/newkern_mega65 >> build/newc65
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dd if=/dev/zero bs=65536 count=1 of=build/basic/padding
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cat build/basic/padding >> build/newc65
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build/newc65.rom: build/kernal_mega65.rom build/basic_mega65.rom build/chargen.rom Makefile
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dd if=/dev/zero bs=4096 count=10 of=build/newc65.rom
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cat build/basic_mega65.rom build/chargen.rom build/chargen.rom build/kernal_mega65.rom >> build/newc65.rom
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dd if=/dev/zero bs=65536 count=1 of=build/padding
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cat build/padding >> build/newc65.rom
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rm -f build/padding
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# Rules - tests
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test: build/newkern_generic build/newbasic_generic
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x64 -kernal build/newkern_generic -basic build/newbasic_generic -8 empty.d64
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test: build/kernal_generic.rom build/basic_generic.rom
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x64 -kernal build/kernal_generic.rom -basic build/basic_generic.rom -8 empty.d64
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testremote: build/newkern_generic build/newbasic_generic
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x64 -kernal build/newkern_generic -basic build/newbasic_generic -remotemonitor
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testremote: build/kernal_generic.rom build/basic_generic.rom
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x64 -kernal build/kernal_generic.rom -basic build/basic_generic.rom -remotemonitor
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testm65: build/newc65
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m65 -b ../mega65-core/bin/mega65r1.bit -k ../mega65-core/bin/KICKUP.M65 -R build/newc65 -4
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m65 -b ../mega65-core/bin/mega65r1.bit -k ../mega65-core/bin/KICKUP.M65 -R build/newc65.rom -4
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testsimilarity: build/newrom_generic $(TOOL_SIMILARITY)
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$(TOOL_SIMILARITY) kernal build/newrom_generic
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$(TOOL_SIMILARITY) basic build/newrom_generic
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testsimilarity: build/target_generic/newrom $(TOOL_SIMILARITY)
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$(TOOL_SIMILARITY) kernal build/target_generic/newrom
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$(TOOL_SIMILARITY) basic build/target_generic/newrom
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@@ -0,0 +1,983 @@
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//
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// Utility to build a segment from the provided assembler
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// source files, placing routines where they need to live
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//
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#include <dirent.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <algorithm>
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#include <fstream>
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#include <iomanip>
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#include <iostream>
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#include <string>
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#include <list>
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#include <map>
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#include <set>
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#include <vector>
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||||
#if defined(WIN32) || defined(_WIN32)
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#define DIR_SEPARATOR "\\"
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#else
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#define DIR_SEPARATOR "/"
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#endif
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||||
const std::string ASM_CMD = "java -jar assembler/KickAss.jar ";
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const std::string LAB_OUT_START = "__routine_START_";
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const std::string LAB_OUT_END = "__routine_END_";
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const std::string LAB_IN_START = ".label __routine_START_";
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const std::string LAB_IN_END = ".label __routine_END_";
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||||
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||||
const std::string BANNER_LINE = "//-------------------------------------------------------------------------------------------";
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||||
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||||
//
|
||||
// Command line settings
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||||
//
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||||
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||||
std::string CMD_outFile = "OUT.BIN";
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||||
std::string CMD_tmpDir = "./out";
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||||
std::string CMD_segName = "MAIN";
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||||
std::string CMD_segInfo = "(unnamed)";
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||||
int CMD_loAddress = 0xC000;
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||||
int CMD_hiAddress = 0xCFFF;
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||||
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||||
std::list<std::string> CMD_dirList;
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||||
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||||
//
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||||
// Common helper functions
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||||
//
|
||||
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||||
void bailOut()
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||||
{
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||||
exit(-1);
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||||
}
|
||||
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||||
void bailOut(const std::string &message)
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||||
{
|
||||
std::cout << std::endl << "FATAL: " << message << std::endl << std::endl;
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||||
exit(-1);
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||||
}
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||||
|
||||
void printUsage()
|
||||
{
|
||||
std::cout << std::endl <<
|
||||
"usage: build_segment [-o <out file>] [-d <out dir>] [-t <temp dir>]" << std::endl <<
|
||||
" [-l <start/low address>] [-h <end/high address>]" << std::endl <<
|
||||
" [-s <segment name>] [-i <segment display info>] <input dir list>" <<
|
||||
std::endl << std::endl;
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||||
}
|
||||
|
||||
void printBannerLineTop()
|
||||
{
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||||
std::cout << std::endl << std::endl << std::endl << BANNER_LINE << std::endl;
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||||
}
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||||
|
||||
void printBannerLineBottom()
|
||||
{
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||||
std::cout << BANNER_LINE << std::endl << std::endl;
|
||||
}
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||||
|
||||
void printBannerCollectAnalyse()
|
||||
{
|
||||
printBannerLineTop();
|
||||
std::cout << "// Segment '" << CMD_segInfo << "' - collecting and analysing routines" << std::endl;
|
||||
printBannerLineBottom();
|
||||
}
|
||||
|
||||
void printBannerBinCompile()
|
||||
{
|
||||
printBannerLineTop();
|
||||
std::cout << "// Segment '" << CMD_segInfo << "' - binning and compiling the assembly" << std::endl;
|
||||
printBannerLineBottom();
|
||||
}
|
||||
|
||||
//
|
||||
// Class definitions
|
||||
//
|
||||
|
||||
class SourceFile
|
||||
{
|
||||
public:
|
||||
SourceFile(const std::string &fileName, const std::string &dirName);
|
||||
|
||||
std::string fileName;
|
||||
std::string dirName;
|
||||
|
||||
bool floating;
|
||||
std::vector<char> content;
|
||||
|
||||
std::string label;
|
||||
int startAddr; // for fixed (non-floating) routines only
|
||||
int codeLength; // for both fixed and floating routines
|
||||
|
||||
int testAddrStart; // start address during test run
|
||||
int testAddrEnd; // end address during test run
|
||||
};
|
||||
|
||||
class BinningProblem
|
||||
{
|
||||
public:
|
||||
|
||||
BinningProblem() {};
|
||||
BinningProblem(int loAddress, int hiAddress);
|
||||
|
||||
bool isSolved() const;
|
||||
|
||||
void addToProblem(SourceFile *routine);
|
||||
void fillGap(int gapAddress, const std::list<SourceFile *> &routines);
|
||||
void performObviousSteps();
|
||||
void removeUselessGaps();
|
||||
void sortFloatingRoutinesBySize();
|
||||
|
||||
std::map<int, SourceFile *> fixedRoutines; // routines with location already fixed
|
||||
std::map<int, int> gaps; // gaps by address
|
||||
std::vector<SourceFile *> floatingRoutines; // routines not allocated to any address yet; always keep them sorted!
|
||||
};
|
||||
|
||||
class Solver
|
||||
{
|
||||
public:
|
||||
Solver(BinningProblem &problem) : problem(problem) {}
|
||||
|
||||
void run();
|
||||
|
||||
int selectGapToFill();
|
||||
void findPartialSolution(int gapSize, std::list<SourceFile *> &partialSolution);
|
||||
|
||||
private:
|
||||
|
||||
BinningProblem &problem;
|
||||
};
|
||||
|
||||
//
|
||||
// Global variables
|
||||
//
|
||||
|
||||
std::list<SourceFile> GLOBAL_sourceFiles;
|
||||
std::list<SourceFile> GLOBAL_sourceFiles_noCode;
|
||||
size_t GLOBAL_maxFileNameLen = 0;
|
||||
size_t GLOBAL_totalRoutinesSize = 0;
|
||||
BinningProblem GLOBAL_binningProblem;
|
||||
|
||||
//
|
||||
// Top-level functions
|
||||
//
|
||||
|
||||
void parseCommandLine(int argc, char **argv)
|
||||
{
|
||||
int opt;
|
||||
|
||||
// Retrieve command line options
|
||||
|
||||
while ((opt = getopt(argc, argv, "o:d:t:l:h:s:i:")) != -1)
|
||||
{
|
||||
switch(opt)
|
||||
{
|
||||
case 'o': CMD_outFile = optarg; break;
|
||||
case 't': CMD_tmpDir = optarg; break;
|
||||
case 's': CMD_segName = optarg; break;
|
||||
case 'i': CMD_segInfo = optarg; break;
|
||||
case 'l': CMD_loAddress = strtol(optarg, nullptr ,16); break;
|
||||
case 'h': CMD_hiAddress = strtol(optarg, nullptr ,16); break;
|
||||
default: printUsage(); bailOut();
|
||||
}
|
||||
}
|
||||
|
||||
// Retrieve directory list
|
||||
|
||||
for (int idx = optind; idx < argc; idx++)
|
||||
{
|
||||
CMD_dirList.push_back(argv[idx]);
|
||||
}
|
||||
|
||||
if (CMD_dirList.empty()) { printUsage(); bailOut("empty directory list"); }
|
||||
}
|
||||
|
||||
void readSourceFiles()
|
||||
{
|
||||
for (const auto &dirName : CMD_dirList)
|
||||
{
|
||||
DIR *dirHandle = opendir(dirName.c_str());
|
||||
if (!dirHandle) bailOut(std::string("unable to open directory '") + dirName + "'");
|
||||
|
||||
struct dirent *dirEntry;
|
||||
while ((dirEntry = readdir(dirHandle)) != nullptr)
|
||||
{
|
||||
const std::string fileName = dirEntry->d_name;
|
||||
|
||||
// Filter-out files which are not assembler files, temporary, etc.
|
||||
|
||||
if (fileName.length() < 3) continue;
|
||||
if (fileName.front() == '#') continue;
|
||||
if (fileName.front() == '~') continue;
|
||||
if (fileName.substr(fileName.length() - 2) != ".s") continue;
|
||||
|
||||
// Add file to the global list
|
||||
|
||||
GLOBAL_sourceFiles.push_back(SourceFile(fileName, dirName));
|
||||
GLOBAL_maxFileNameLen = std::max(GLOBAL_maxFileNameLen, fileName.length());
|
||||
}
|
||||
|
||||
closedir(dirHandle);
|
||||
}
|
||||
|
||||
if (GLOBAL_sourceFiles.empty()) bailOut("no source files found");
|
||||
|
||||
// Sort the file list by name, to provide deterministic results
|
||||
|
||||
auto compare = [](const SourceFile &a, const SourceFile &b) -> bool { return a.fileName.compare(b.fileName) < 0; };
|
||||
GLOBAL_sourceFiles.sort(compare);
|
||||
}
|
||||
|
||||
void checkInputFileLabels()
|
||||
{
|
||||
std::set<std::string> usedLabels;
|
||||
for (const auto &sourceFile : GLOBAL_sourceFiles)
|
||||
{
|
||||
if (usedLabels.count(sourceFile.label) != 0)
|
||||
{
|
||||
bailOut(std::string("input file '") + sourceFile.fileName + "' has a name too similar to another one");
|
||||
}
|
||||
|
||||
usedLabels.insert(sourceFile.label);
|
||||
}
|
||||
}
|
||||
|
||||
void calcRoutineSizes()
|
||||
{
|
||||
const std::string nameBase = CMD_tmpDir + DIR_SEPARATOR + CMD_segName + "_sizetest";
|
||||
|
||||
const std::string outFileName = nameBase + ".s";
|
||||
const std::string symFileName = nameBase + ".sym";
|
||||
|
||||
// Remove old files
|
||||
|
||||
unlink(outFileName.c_str());
|
||||
unlink(symFileName.c_str());
|
||||
|
||||
// Write test file to determine routine sizes
|
||||
|
||||
std::ofstream outFile(outFileName, std::fstream::out | std::fstream::trunc);
|
||||
if (!outFile.good()) bailOut(std::string("can't open temporary file '") + outFileName + "'");
|
||||
|
||||
// Start at $100, so that no local data gets accesses using ZP addressing modes
|
||||
// during this pass, which would otherwise upset things later
|
||||
|
||||
outFile << std::endl << ".segment " << CMD_segName << " [start=$100, min=$100, max=$FFFF]" << std::endl;
|
||||
|
||||
for (const auto &sourceFile : GLOBAL_sourceFiles)
|
||||
{
|
||||
outFile << std::endl << std::endl << std::endl << std::endl;
|
||||
outFile << "// Source file: " << sourceFile.fileName << std::endl << std::endl;
|
||||
outFile << LAB_OUT_START << sourceFile.label << ":" << std::endl << std::endl;
|
||||
|
||||
outFile << std::string(sourceFile.content.begin(), sourceFile.content.end());
|
||||
|
||||
outFile << std::endl << std::endl;
|
||||
outFile << LAB_OUT_END << sourceFile.label << ":" << std::endl;
|
||||
}
|
||||
|
||||
if (!outFile.good()) bailOut(std::string("error writing temporary file '") + outFileName + "'");
|
||||
outFile.close();
|
||||
|
||||
// All written - now launch the assembler
|
||||
|
||||
const std::string cmd = ASM_CMD + outFileName + " -symbolfile -o /dev/null";
|
||||
std::cout << std::flush;
|
||||
if (0 != system(cmd.c_str()))
|
||||
{
|
||||
bailOut("assembler running failed");
|
||||
}
|
||||
|
||||
// Read addresses
|
||||
|
||||
std::ifstream symFile;
|
||||
symFile.open(symFileName);
|
||||
if (!symFile.good()) bailOut(std::string("unable to open results file '") + symFileName + "'");
|
||||
|
||||
std::string line;
|
||||
while (std::getline(symFile, line))
|
||||
{
|
||||
bool startLabel;
|
||||
|
||||
if (0 == line.compare(0, LAB_IN_START.size(), LAB_IN_START))
|
||||
{
|
||||
line.erase(0, LAB_IN_START.length());
|
||||
startLabel = true;
|
||||
}
|
||||
else if (0 == line.compare(0, LAB_IN_END.size(), LAB_IN_END))
|
||||
{
|
||||
line.erase(0, LAB_IN_END.length());
|
||||
startLabel = false;
|
||||
}
|
||||
else continue;
|
||||
|
||||
// Decode address, write it into the object
|
||||
|
||||
auto eqPos = line.rfind('=');
|
||||
|
||||
auto address = strtol(line.substr(eqPos + 2).c_str(), nullptr ,16);
|
||||
std::string refLabel = line.substr(0, eqPos);
|
||||
|
||||
for (auto &sourceFile : GLOBAL_sourceFiles)
|
||||
{
|
||||
if (refLabel.compare(sourceFile.label) != 0) continue;
|
||||
if (startLabel)
|
||||
{
|
||||
sourceFile.testAddrStart = address;
|
||||
}
|
||||
else
|
||||
{
|
||||
sourceFile.testAddrEnd = address;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
symFile.close();
|
||||
|
||||
// Calculate size of each and every routine
|
||||
|
||||
for (auto &sourceFile : GLOBAL_sourceFiles)
|
||||
{
|
||||
if (sourceFile.testAddrStart <= 0 || sourceFile.testAddrEnd <= 0 ||
|
||||
sourceFile.testAddrStart > sourceFile.testAddrEnd)
|
||||
{
|
||||
bailOut(std::string("unable to determine code length in '") + sourceFile.fileName + "'");
|
||||
}
|
||||
|
||||
sourceFile.codeLength = sourceFile.testAddrEnd - sourceFile.testAddrStart;
|
||||
GLOBAL_totalRoutinesSize += sourceFile.codeLength;
|
||||
}
|
||||
|
||||
// Check whether total code size is sane
|
||||
|
||||
if (0 == GLOBAL_totalRoutinesSize) bailOut("total code size is 0");
|
||||
if (signed(GLOBAL_totalRoutinesSize) > CMD_hiAddress - CMD_loAddress)
|
||||
{
|
||||
bailOut(std::string("total code size is ") + std::to_string(GLOBAL_totalRoutinesSize) + ", too much for this segment!");
|
||||
}
|
||||
|
||||
// Sort the file list by code size, starting from the smallest
|
||||
|
||||
auto compare = [](const SourceFile &a, const SourceFile &b) -> bool { return a.codeLength < b.codeLength; };
|
||||
GLOBAL_sourceFiles.sort(compare);
|
||||
|
||||
// Move zero-sized element to a separate list
|
||||
|
||||
while (GLOBAL_sourceFiles.front().codeLength == 0)
|
||||
{
|
||||
GLOBAL_sourceFiles_noCode.push_back(GLOBAL_sourceFiles.front());
|
||||
GLOBAL_sourceFiles.pop_front();
|
||||
}
|
||||
}
|
||||
|
||||
void prepareBinningProblem()
|
||||
{
|
||||
// Prepare the log file
|
||||
|
||||
const std::string logFileName = CMD_tmpDir + DIR_SEPARATOR + CMD_segName + "_binproblem.log";
|
||||
unlink(logFileName.c_str());
|
||||
std::ofstream logFile(logFileName, std::fstream::out | std::fstream::trunc);
|
||||
std::string logLine;
|
||||
|
||||
// Print out code length information
|
||||
|
||||
for (const auto &sourceFile : GLOBAL_sourceFiles)
|
||||
{
|
||||
std::string spacing;
|
||||
spacing.resize(GLOBAL_maxFileNameLen + 4 - sourceFile.fileName.length(), ' ');
|
||||
std::string floating = sourceFile.floating ? "(floating) " : " ";
|
||||
logLine = "file: " + floating + sourceFile.fileName + spacing + "size: " + std::to_string(sourceFile.codeLength);
|
||||
|
||||
logFile << logLine << std::endl;
|
||||
std::cout << logLine << std::endl;
|
||||
}
|
||||
|
||||
// Create the binning problem
|
||||
|
||||
GLOBAL_binningProblem = BinningProblem(CMD_loAddress, CMD_hiAddress);
|
||||
|
||||
for (auto &sourceFile : GLOBAL_sourceFiles)
|
||||
{
|
||||
GLOBAL_binningProblem.addToProblem(&sourceFile);
|
||||
}
|
||||
|
||||
// Print out some more statistics
|
||||
|
||||
logLine = "free space (after floating routines are placed): " +
|
||||
std::to_string(CMD_hiAddress - CMD_loAddress - GLOBAL_totalRoutinesSize) ;
|
||||
logFile << std::endl << logLine << std::endl;
|
||||
std::cout << std::endl << logLine << std::endl;
|
||||
logLine = "number of floating routines: " +
|
||||
std::to_string(GLOBAL_binningProblem.floatingRoutines.size());
|
||||
logFile << logLine << std::endl;
|
||||
std::cout << logLine << std::endl;
|
||||
logLine = "number of gaps for the floating routines: " +
|
||||
std::to_string(GLOBAL_binningProblem.gaps.size());
|
||||
logFile << logLine << std::endl << std::endl;
|
||||
std::cout << logLine << std::endl << std::endl;
|
||||
|
||||
// Print out the available gaps
|
||||
|
||||
logLine = "gap address: $";
|
||||
for (auto& gap : GLOBAL_binningProblem.gaps)
|
||||
{
|
||||
std::string gapSize = std::string(" size: ") + std::to_string(gap.second);
|
||||
logFile << logLine << std::uppercase << std::hex << gap.first << gapSize << std::endl;
|
||||
std::cout << logLine << std::uppercase << std::hex << gap.first << gapSize << std::endl;
|
||||
}
|
||||
|
||||
std::cout << std::endl;
|
||||
|
||||
// Close the log file
|
||||
|
||||
if (!logFile.good()) bailOut(std::string("error writing log file '") + logFileName + "'");
|
||||
logFile.close();
|
||||
}
|
||||
|
||||
void solveBinningProblem()
|
||||
{
|
||||
std::cout << "trying to solve the routine binning problem" << std::endl << std::endl;
|
||||
|
||||
// Do some routine actions on the binning problem object
|
||||
|
||||
Solver solver(GLOBAL_binningProblem);
|
||||
solver.run();
|
||||
|
||||
if (!GLOBAL_binningProblem.isSolved())
|
||||
{
|
||||
bailOut("unable to solve the routine binning problem");
|
||||
}
|
||||
|
||||
std::cout << std::endl;
|
||||
}
|
||||
|
||||
void compileSegment()
|
||||
{
|
||||
// First combine everything into one assembler file
|
||||
|
||||
const std::string outFileName = CMD_tmpDir + DIR_SEPARATOR + CMD_segName + "_combined.s";
|
||||
unlink(outFileName.c_str());
|
||||
std::ofstream outFile(outFileName, std::fstream::out | std::fstream::trunc);
|
||||
if (!outFile.good()) bailOut(std::string("can't open temporary file '") + outFileName + "'");
|
||||
|
||||
// Write the header
|
||||
|
||||
outFile << std::endl << ".segment " << CMD_segName <<
|
||||
" [start=$" << std::hex << CMD_loAddress <<
|
||||
", min=$" << std::hex << CMD_loAddress <<
|
||||
", max=$" << std::hex << CMD_hiAddress <<
|
||||
", outBin=\"" << CMD_outFile << "\", fill]" <<
|
||||
std::endl;
|
||||
|
||||
// Write files which only contain definitions (no routines)
|
||||
|
||||
for (const auto &sourceFile : GLOBAL_sourceFiles_noCode)
|
||||
{
|
||||
outFile << std::endl << std::endl << std::endl << std::endl;
|
||||
outFile << "// Source file: " << sourceFile.fileName << std::endl << std::endl;
|
||||
outFile << std::string(sourceFile.content.begin(), sourceFile.content.end());
|
||||
outFile << std::endl;
|
||||
}
|
||||
|
||||
// Write remaining files, these should be placed under their proper locations
|
||||
|
||||
for (const auto &routine : GLOBAL_binningProblem.fixedRoutines)
|
||||
{
|
||||
outFile << std::endl << std::endl << std::endl << std::endl;
|
||||
outFile << "// Source file: " << routine.second->fileName << std::endl << std::endl;
|
||||
outFile << "\t* = $" << std::hex << routine.first << std::endl << std::endl;
|
||||
outFile << std::string(routine.second->content.begin(), routine.second->content.end());
|
||||
outFile << std::endl;
|
||||
}
|
||||
|
||||
if (!outFile.good()) bailOut(std::string("error writing temporary file '") + outFileName + "'");
|
||||
outFile.close();
|
||||
|
||||
// All written - now launch the assembler
|
||||
|
||||
const std::string cmd = ASM_CMD + outFileName + " -symbolfile -o " + CMD_outFile;
|
||||
std::cout << std::flush;
|
||||
if (0 != system(cmd.c_str()))
|
||||
{
|
||||
bailOut("assembler running failed");
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Main function
|
||||
//
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
parseCommandLine(argc, argv);
|
||||
|
||||
printBannerCollectAnalyse();
|
||||
|
||||
readSourceFiles();
|
||||
checkInputFileLabels();
|
||||
calcRoutineSizes();
|
||||
|
||||
printBannerBinCompile();
|
||||
|
||||
prepareBinningProblem();
|
||||
solveBinningProblem();
|
||||
compileSegment();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
//
|
||||
// Class 'SourceFile'
|
||||
//
|
||||
|
||||
SourceFile::SourceFile(const std::string &fileName, const std::string &dirName) :
|
||||
fileName(fileName),
|
||||
dirName(dirName),
|
||||
floating(false),
|
||||
startAddr(-1),
|
||||
codeLength(-1),
|
||||
testAddrStart(-1),
|
||||
testAddrEnd(-1)
|
||||
{
|
||||
const std::string fileNameWithPath = dirName + DIR_SEPARATOR + fileName;
|
||||
std::cout << "reading file: " << fileNameWithPath << std::endl;
|
||||
|
||||
// Open the file
|
||||
|
||||
std::ifstream inFile;
|
||||
inFile.open(fileNameWithPath);
|
||||
if (!inFile.good()) bailOut("unable to open file");
|
||||
|
||||
// Read the content
|
||||
|
||||
inFile.seekg(0, inFile.end);
|
||||
auto fileLength = inFile.tellg();
|
||||
if (fileLength == 0) bailOut("file is empty");
|
||||
content.resize(fileLength);
|
||||
|
||||
inFile.seekg(0);
|
||||
inFile.read(&content[0], fileLength);
|
||||
if (!inFile.good()) bailOut("error reading file content");
|
||||
|
||||
inFile.close();
|
||||
|
||||
// Determine if the file content is floating or fixed position one,
|
||||
// retrieve start address
|
||||
|
||||
auto isHexDigit = [](char digit) -> bool
|
||||
{
|
||||
return (digit >= '0' && digit <= '9') ||
|
||||
(digit >= 'a' && digit <= 'f') ||
|
||||
(digit >= 'A' && digit <= 'F');;
|
||||
};
|
||||
|
||||
floating = !(fileName.length() >= 6 && fileName[4] == '.' &&
|
||||
isHexDigit(fileName[0]) &&
|
||||
isHexDigit(fileName[1]) &&
|
||||
isHexDigit(fileName[2]) &&
|
||||
isHexDigit(fileName[3]));
|
||||
|
||||
if (!floating)
|
||||
{
|
||||
startAddr = strtol(fileName.substr(0, 4).c_str(), nullptr ,16);
|
||||
}
|
||||
|
||||
// Generate KickAss compatible label from the file name
|
||||
|
||||
label = fileName.substr(0, fileName.length() - 2);
|
||||
|
||||
std::replace(label.begin(), label.end(), '.', '_');
|
||||
std::replace(label.begin(), label.end(), ',', '_');
|
||||
}
|
||||
|
||||
//
|
||||
// Class 'BinningProblem'
|
||||
//
|
||||
|
||||
BinningProblem::BinningProblem(int loAddress, int hiAddress)
|
||||
{
|
||||
if (hiAddress < loAddress || hiAddress < 0 || loAddress < 0 || hiAddress > 0xFFFF || loAddress > 0xFFFF)
|
||||
{
|
||||
bailOut("invalid lo/hi address");
|
||||
}
|
||||
|
||||
// Create one large gap (initial) to represent the assembly
|
||||
|
||||
gaps[loAddress] = hiAddress - loAddress + 1;
|
||||
}
|
||||
|
||||
bool BinningProblem::isSolved() const
|
||||
{
|
||||
return floatingRoutines.empty();
|
||||
}
|
||||
|
||||
void BinningProblem::addToProblem(SourceFile *routine)
|
||||
{
|
||||
if (routine->floating)
|
||||
{
|
||||
floatingRoutines.push_back(routine);
|
||||
}
|
||||
else
|
||||
{
|
||||
// For the fixed-address routines, we have to find the matching place
|
||||
|
||||
bool gapFound = false;
|
||||
for (auto &gap: gaps)
|
||||
{
|
||||
if (gap.first > routine->startAddr || gap.first + gap.second - 1 < routine->startAddr)
|
||||
{
|
||||
continue; // not a suitable gap
|
||||
}
|
||||
|
||||
// We have to put the routine into the current gap
|
||||
|
||||
if (gap.first + gap.second < routine->startAddr + routine->codeLength)
|
||||
{
|
||||
bailOut(std::string("fixed address file '") + routine->fileName + "' won't fit in the available gap");
|
||||
}
|
||||
|
||||
gapFound = true;
|
||||
|
||||
// Put the routine into the gap, possibly removing it or splitting into two
|
||||
|
||||
fixedRoutines[routine->startAddr] = routine;
|
||||
|
||||
// Calculate possible new gap after the routine
|
||||
|
||||
int newGapSize = (gap.first + gap.second) - (routine->startAddr + routine->codeLength);
|
||||
int newGapStart = (newGapSize <= 0) ? -1 : routine->startAddr + routine->codeLength;
|
||||
|
||||
// Remove or shrink the current gap
|
||||
|
||||
if (gap.first == routine->startAddr)
|
||||
{
|
||||
gaps.erase(gap.first);
|
||||
}
|
||||
else
|
||||
{
|
||||
gap.second = routine->startAddr - gap.first;
|
||||
}
|
||||
|
||||
// Add a new gap
|
||||
|
||||
if (newGapStart > 0) gaps[newGapStart] = newGapSize;
|
||||
|
||||
break; // iterator is not valid enymore, we have to stop the llop
|
||||
}
|
||||
|
||||
if (!gapFound)
|
||||
{
|
||||
bailOut(std::string("start address of fixed address file '") + routine->fileName + "' already occupied");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BinningProblem::fillGap(int gapAddress, const std::list<SourceFile *> &routines)
|
||||
{
|
||||
int offset = 0;
|
||||
std::string spacing;
|
||||
|
||||
for (auto &routine : routines)
|
||||
{
|
||||
int targetAddr = gapAddress + offset;
|
||||
|
||||
spacing.resize(GLOBAL_maxFileNameLen + 4 - routine->fileName.length(), ' ');
|
||||
std::cout << " $" << std::hex << targetAddr << std::dec << ": " <<
|
||||
routine->fileName << spacing << "size: " << routine->codeLength << std::endl;
|
||||
|
||||
fixedRoutines[targetAddr] = routine;
|
||||
offset += routine->codeLength;
|
||||
|
||||
if (offset > gaps[gapAddress]) bailOut(std::string("internal error line ") + std::to_string(__LINE__));
|
||||
|
||||
floatingRoutines.erase(std::remove(floatingRoutines.begin(), floatingRoutines.end(), routine), floatingRoutines.end());
|
||||
}
|
||||
|
||||
// Get rid of the gap, it's useless now
|
||||
|
||||
if (offset == gaps[gapAddress])
|
||||
{
|
||||
std::cout << "filled to the last byte" << std::endl;
|
||||
}
|
||||
else if (!isSolved())
|
||||
{
|
||||
std::cout << "filled in - dropped bytes: " << gaps[gapAddress] << std::endl;
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "out of routines" << std::endl;
|
||||
}
|
||||
|
||||
gaps.erase(gapAddress);
|
||||
}
|
||||
|
||||
void BinningProblem::performObviousSteps()
|
||||
{
|
||||
// Get the size of the biggest routine; if there is just one gap which
|
||||
// can handle it - put the roputine exactly there
|
||||
|
||||
std::string spacing;
|
||||
|
||||
bool repeat = true;
|
||||
while (repeat && !floatingRoutines.empty() && !gaps.empty())
|
||||
{
|
||||
repeat = false;
|
||||
|
||||
int routineSize = floatingRoutines.back()->codeLength;
|
||||
|
||||
int gapAddress;
|
||||
int matchingGaps = 0;
|
||||
for (auto &gap : gaps)
|
||||
{
|
||||
if (gap.second >= routineSize)
|
||||
{
|
||||
matchingGaps++;
|
||||
gapAddress = gap.first;
|
||||
}
|
||||
}
|
||||
|
||||
if (matchingGaps == 1)
|
||||
{
|
||||
// Routine can only be placed in this particular gap - do so
|
||||
|
||||
gaps[gapAddress] -= routineSize;
|
||||
int targetAddr = gapAddress + gaps[gapAddress];
|
||||
fixedRoutines[targetAddr] = floatingRoutines.back();
|
||||
|
||||
std::cout << "forced reducing gap $" << std::hex << gapAddress << std::dec << " to size " <<
|
||||
gaps[gapAddress] << std::endl;
|
||||
|
||||
spacing.resize(GLOBAL_maxFileNameLen + 4 - floatingRoutines.back()->fileName.length(), ' ');
|
||||
std::cout << " $" << std::hex << targetAddr << std::dec << ": " <<
|
||||
floatingRoutines.back()->fileName << spacing << "size: " <<
|
||||
floatingRoutines.back()->codeLength << std::endl;
|
||||
|
||||
floatingRoutines.pop_back();
|
||||
if (gaps[gapAddress] == 0) gaps.erase(gapAddress);
|
||||
|
||||
repeat = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BinningProblem::removeUselessGaps()
|
||||
{
|
||||
// Get the size of the smallest floating routine,
|
||||
// remove all the gaps which are smaller in size
|
||||
|
||||
int minUsefulSize = floatingRoutines[0]->codeLength;
|
||||
|
||||
bool repeat = true;
|
||||
while (repeat)
|
||||
{
|
||||
repeat = false;
|
||||
for (auto &gap : gaps)
|
||||
{
|
||||
if (gap.second < minUsefulSize)
|
||||
{
|
||||
std::cout << "dropping gap: $" << std::hex << gap.first << std::dec << " (size: " << gap.second << ")" << std::endl;
|
||||
gaps.erase(gap.first);
|
||||
repeat = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void BinningProblem::sortFloatingRoutinesBySize()
|
||||
{
|
||||
// Sort the unallocated routines by size, starting from the smallest one
|
||||
|
||||
auto compare = [](const SourceFile *a, const SourceFile *b) -> bool { return a->codeLength < b->codeLength; };
|
||||
std::sort (floatingRoutines.begin(), floatingRoutines.end(), compare);
|
||||
}
|
||||
|
||||
//
|
||||
// Class 'Solver'
|
||||
//
|
||||
|
||||
void Solver::run()
|
||||
{
|
||||
problem.sortFloatingRoutinesBySize(); // just to be extra sure
|
||||
|
||||
while (!problem.gaps.empty() && !problem.floatingRoutines.empty())
|
||||
{
|
||||
problem.performObviousSteps();
|
||||
problem.removeUselessGaps();
|
||||
|
||||
if (problem.gaps.empty() || problem.floatingRoutines.empty()) break;
|
||||
|
||||
int gapAddr = selectGapToFill();
|
||||
|
||||
std::cout << "selected gap: " << "$" << std::hex << gapAddr << std::dec << " (size: " << problem.gaps[gapAddr] << ")" << std::endl;
|
||||
|
||||
std::list<SourceFile *> partialSolution;
|
||||
findPartialSolution(problem.gaps[gapAddr], partialSolution);
|
||||
problem.fillGap(gapAddr, partialSolution);
|
||||
}
|
||||
|
||||
if (problem.isSolved())
|
||||
{
|
||||
std::cout << std::endl << "all the routines sucessfully placed" << std::endl << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
int Solver::selectGapToFill()
|
||||
{
|
||||
// Find the smallest gap to fill-in
|
||||
|
||||
int gapAddr = -1;
|
||||
int gapSize = -1;
|
||||
|
||||
for (auto &gap : problem.gaps)
|
||||
{
|
||||
if (gapSize < 0 || gap.second < gapSize)
|
||||
{
|
||||
gapAddr = gap.first;
|
||||
gapSize = gap.second;
|
||||
}
|
||||
}
|
||||
|
||||
return gapAddr;
|
||||
}
|
||||
|
||||
int KS(const std::vector<SourceFile *> &routines,
|
||||
std::vector<std::vector<int>> &cacheV, // value cache
|
||||
std::vector<std::vector<std::list<bool>>> &cacheS, // partial solution cache
|
||||
int n, int C,
|
||||
std::list<bool> &solution) // sequence of decisions for each routine, has to be empty when calling
|
||||
{
|
||||
// This routine solves a knapsack problem using a dynamic programming
|
||||
|
||||
// XXX Possible efficiency improvement for the future: try to consider more than one gap at once,
|
||||
// this will need a serious rework of the dynamic cache handling and will probably hurt the performance
|
||||
|
||||
if (n == 0)
|
||||
{
|
||||
// No more routines to take the decision...
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (C == 0)
|
||||
{
|
||||
// We have no capacity left - decisions for all the routines left should be not to take them
|
||||
solution.resize(n, false);
|
||||
return 0;
|
||||
}
|
||||
|
||||
auto &cachedV = cacheV[n - 1][C - 1];
|
||||
auto &cachedS = cacheS[n - 1][C - 1];
|
||||
if (cachedV >= 0)
|
||||
{
|
||||
// We already hold the solution in out cache - return it
|
||||
solution = cachedS;
|
||||
return cachedV;
|
||||
}
|
||||
|
||||
auto &codeSize = routines[n - 1]->codeLength;
|
||||
if (codeSize > C)
|
||||
{
|
||||
// We can't take this routine, it's too large
|
||||
|
||||
cachedV = KS(routines, cacheV, cacheS, n - 1, C, solution);
|
||||
solution.push_back(false);
|
||||
cachedS = solution;
|
||||
|
||||
return cachedV;
|
||||
}
|
||||
|
||||
// Note: it it seems equally good to take this routine, or not - take it!
|
||||
// Evaluation starts from the largest routines, and we should prefer to leave
|
||||
// a larger number of smaller routines - as this gives more possibilities
|
||||
// while optimizing the usage of further gaps
|
||||
|
||||
std::list<bool> solution1;
|
||||
int val1 = KS(routines, cacheV, cacheS, n - 1, C - codeSize, solution1) + codeSize; // take
|
||||
|
||||
if (val1 == C)
|
||||
{
|
||||
// By taking this routine we are filling all the space - contrary to the classic
|
||||
// knapsack problem, this is an optimal solution for us, don't waste time calculating
|
||||
// the others
|
||||
|
||||
cachedV = val1;
|
||||
solution = solution1;
|
||||
solution.push_back(true);
|
||||
cachedS = solution;
|
||||
return cachedV;
|
||||
}
|
||||
|
||||
std::list<bool> solution2;
|
||||
int val2 = KS(routines, cacheV, cacheS, n - 1, C, solution2); // don't take
|
||||
|
||||
if (val1 >= val2)
|
||||
{
|
||||
// It's better to take this particular routine
|
||||
|
||||
cachedV = val1;
|
||||
solution = solution1;
|
||||
solution.push_back(true);
|
||||
}
|
||||
else
|
||||
{
|
||||
// It's better not to take this particular routine
|
||||
|
||||
cachedV = val2;
|
||||
solution = solution2;
|
||||
solution.push_back(false);
|
||||
}
|
||||
|
||||
cachedS = solution;
|
||||
return cachedV;
|
||||
};
|
||||
|
||||
void Solver::findPartialSolution(int gapSize, std::list<SourceFile *> &partialSolution)
|
||||
{
|
||||
// First filter out available routines, take only the ones not larger than our gap
|
||||
|
||||
std::vector<SourceFile *> routines;
|
||||
routines.clear();
|
||||
for (auto &routine : problem.floatingRoutines)
|
||||
{
|
||||
if (routine->codeLength <= gapSize)
|
||||
{
|
||||
routines.push_back(routine);
|
||||
}
|
||||
else break; // 'floatingRoutines' should be kept sorted
|
||||
}
|
||||
|
||||
// Prepare value cache
|
||||
|
||||
std::vector<std::vector<int>> cacheV;
|
||||
cacheV.resize(routines.size());
|
||||
for (auto &cacheRow : cacheV) cacheRow.resize(gapSize, -1);
|
||||
|
||||
// Prepare partial solution cache
|
||||
std::vector<std::vector<std::list<bool>>> cacheS;
|
||||
cacheS.resize(routines.size());
|
||||
for (auto &cacheRow : cacheS) cacheRow.resize(gapSize);
|
||||
|
||||
// Calculate solution
|
||||
|
||||
std::list<bool> solution;
|
||||
KS(routines, cacheV, cacheS, routines.size(), gapSize, solution);
|
||||
|
||||
if (routines.size() != solution.size()) bailOut(std::string("internal error line ") + std::to_string(__LINE__));
|
||||
|
||||
// Return the solution upstream
|
||||
|
||||
while (!routines.empty())
|
||||
{
|
||||
if (solution.back() != false)
|
||||
{
|
||||
partialSolution.push_front(routines.back());
|
||||
}
|
||||
|
||||
routines.pop_back();
|
||||
solution.pop_back();
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
+1
-1
@@ -479,7 +479,7 @@ int main(void)
|
||||
} else
|
||||
printf("\t.byte $%02x\n",packed_keywords[i]);
|
||||
}
|
||||
printf("\t.const packed_keyword_table_len = $%X\n",packedkey_len);
|
||||
printf("\t.label packed_keyword_table_len = $%X\n",packedkey_len);
|
||||
|
||||
fprintf(stderr,"Error list takes %d bytes raw.\n",raw_size);
|
||||
fprintf(stderr,"%d token bytes used to encode all messages.\n",token_count);
|
||||
|
||||
File renamed without changes.
File renamed without changes.
File renamed without changes.
Reference in new issue
Block a user