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118 changes: 118 additions & 0 deletions
118
eclipse/6502bf tools/src/org/mzattera/bf6502/optimization/MeasureWorkAreaSize.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /** | ||
| */ | ||
| package org.mzattera.bf6502.optimization; | ||
|
|
||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Paths; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| import org.mzattera.util.FileUtil; | ||
|
|
||
| /** | ||
| * Tries to misure the extend of the tape area accessed. | ||
| * | ||
| * @author Massimiliano "Maxi" Zattera | ||
| * | ||
| */ | ||
| public class MeasureWorkAreaSize { | ||
|
|
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| private final static String IN_FILE = "D:\\Users\\mzatt\\Projects\\Git - FuckBench\\wip\\logfuntest.c"; | ||
| private final static String OUT_FILE = "D:\\Users\\mzatt\\Projects\\Git - FuckBench\\wip\\logfuntest.1.c"; | ||
| private final static String CELL_TYPE = "uint16_t"; | ||
| private final static int TAPE_SIZE = 30_000; | ||
|
|
||
| /** | ||
| * @param args | ||
| */ | ||
| public static void main(String[] args) { | ||
| try { | ||
| String inputFileName = IN_FILE; | ||
| String outputFileName = OUT_FILE; | ||
| int tapeSize = TAPE_SIZE; | ||
|
|
||
| for (int i = 0; i < args.length; i++) { | ||
| if (args[i].equals("-i")) | ||
| inputFileName = args[++i]; | ||
| else if (args[i].equals("-o")) | ||
| outputFileName = args[++i]; | ||
| else if (args[i].equals("-s")) | ||
| tapeSize = Integer.parseInt(args[++i]); | ||
| else | ||
| throw new IllegalArgumentException("Unrecognized parameter: " + args[i]); | ||
| } | ||
|
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| execute(inputFileName, outputFileName, tapeSize); | ||
| System.exit(0); | ||
|
|
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| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| printUsage(); | ||
| System.exit(-1); | ||
| } | ||
| } | ||
|
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| public static void execute(String inputFileName, String outputFileName, int tapeSize) throws IOException { | ||
|
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| // TODO Add parameters error checking | ||
|
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| System.out.println(MeasureWorkAreaSize.class.getName() + " tweaking generated code."); | ||
| System.out.println("Input File Name : " + new File(inputFileName).getCanonicalPath()); | ||
| System.out.println("Output File Name: " + new File(outputFileName).getCanonicalPath()); | ||
| System.out.println("Total tape size : " + tapeSize); | ||
|
|
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| // Read the emulator .c code | ||
| // String source = new String(Files.readAllBytes(Paths.get(inputFileName))); | ||
|
|
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| // Original source code | ||
| List<String> source = Files.readAllLines(Paths.get(inputFileName)); | ||
|
|
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| // New source code | ||
| List<String> newCode = new ArrayList<>(source.size()); | ||
|
|
||
| // Takes opcode check source code from the emulator. | ||
| int i = 0; | ||
|
|
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| // Fix header, tape and cell size | ||
| for (i = 0; i < source.size(); ++i) { | ||
| String line = source.get(i); | ||
| if (line.equals("#include <stdint.h>")) { | ||
| newCode.add("#include <stdint.h>"); | ||
| newCode.add("#include <stddef.h>"); | ||
| } else if (line.equals("static uint8_t m[30000], *p = m;")) { | ||
| newCode.add("static " + CELL_TYPE + " m[" + tapeSize + "], *p = m;"); | ||
| newCode.add("size_t _min = " + tapeSize + ", _max = 0;"); | ||
| newCode.add("size_t i(size_t s) {"); | ||
| newCode.add(" size_t base = p - m;"); | ||
| newCode.add(" size_t curr = base + s;"); | ||
|
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| newCode.add(" if (curr < _min) _min = curr;"); | ||
| newCode.add(" if (curr > _max) _max = curr;"); | ||
| newCode.add(" return s;"); | ||
| newCode.add("}"); | ||
| } else if (line.trim().equals("return 0;")) { | ||
| newCode.add(" printf(\"\\n\\n>>> Min. %lu Max. %lu\\n\", _min, _max);"); | ||
| newCode.add(" return 0;"); | ||
| } else { | ||
| newCode.add(line.replaceAll("\\[([^\\]]+)\\]", "[i($1)]")); | ||
| } | ||
| } | ||
|
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| FileUtil.write(newCode, outputFileName); | ||
| } | ||
|
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| private static void printUsage() { | ||
| System.out.println(); | ||
| System.out.println(); | ||
| System.out.println("Usage: java -jar " + MeasureWorkAreaSize.class.getSimpleName() | ||
| + ".jar [-i <in>] [-o <out>] [-s <size>]"); | ||
| System.out.println(); | ||
| System.out.println(" <in> : Input .c file name (defaults to \"" + IN_FILE + "\")."); | ||
| System.out.println( | ||
| " <out> : Output .c file name; can be same of inupt file (defaults to \"" + IN_FILE + "\")."); | ||
| System.out.println(" <size> : Total size of tape (defaults to " + TAPE_SIZE + ")."); | ||
| System.out.println(); | ||
| } | ||
| } |