ArcCpu.java

/*******************************************************************************
 * This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     Synopsys, Inc. - ARC GNU Toolchain support
 *******************************************************************************/

package com.arc.cdt.toolchain;

import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import com.arc.cdt.toolchain.tcf.OrderedProperties;

public enum ArcCpu {
    ARCEM("arcem", ArcCpuFamily.ARCEM),
    EM("em", ArcCpuFamily.ARCEM),
    EM4("em4", ArcCpuFamily.ARCEM),
    EM4_DMIPS("em4_dmips", ArcCpuFamily.ARCEM),
    EM4_FPUS("em4_fpus", ArcCpuFamily.ARCEM),
    EM4_FPUDA("em4_fpuda", ArcCpuFamily.ARCEM),
    ARCHS("archs", ArcCpuFamily.ARCHS),
    HS("hs", ArcCpuFamily.ARCHS),
    HS34("hs34", ArcCpuFamily.ARCHS),
    HS38("hs38", ArcCpuFamily.ARCHS),
    HS38_LINUX("hs38_linux", ArcCpuFamily.ARCHS),
    ARC600("arc600", ArcCpuFamily.ARC600),
    ARC700("arc700", ArcCpuFamily.ARC700);

    private String string;
    private ArcCpuFamily toolchain;

    private static Map<ArcCpu, Properties> SET_OPTIONS = new HashMap<>();
    static {
        for (ArcCpu cpu: ArcCpu.values()) {
            SET_OPTIONS.put(cpu, new OrderedProperties());
        }
        try {
            SET_OPTIONS.get(ARCEM).load(new StringReader(
                "-mcpu=arcem\n"
                + "-mcode-density\n"
                + "-mmpy-option=2\n"
                + "-mbarrel-shifter\n"
            ));
            SET_OPTIONS.get(EM).load(new StringReader(
                "-mcpu=em\n"
                + "-mmpy-option=0\n"
            ));
            SET_OPTIONS.get(EM4).load(new StringReader(
                "-mcpu=em4\n"
                + "-mcode-density\n"
                + "-mmpy-option=0\n"
            ));
            SET_OPTIONS.get(EM4_DMIPS).load(new StringReader(
                "-mcpu=em4_dmips\n"
                + "-mcode-density\n"
                + "-mmpy-option=2\n"
                + "-mbarrel-shifter\n"
                + "-mdiv-rem\n"
                + "-mnorm\n"
                + "-mswap\n"
            ));
            SET_OPTIONS.get(EM4_FPUS).load(new StringReader(
                "-mcpu=em4_fpus\n"
                + "-mcode-density\n"
                + "-mmpy-option=2\n"
                + "-mbarrel-shifter\n"
                + "-mdiv-rem\n"
                + "-mnorm\n"
                + "-mswap\n"
                + "-mfpu=fpus\n"
            ));
            SET_OPTIONS.get(EM4_FPUDA).load(new StringReader(
                "-mcpu=em4_fpuda\n"
                + "-mcode-density\n"
                + "-mmpy-option=2\n"
                + "-mbarrel-shifter\n"
                + "-mdiv-rem\n"
                + "-mnorm\n"
                + "-mswap\n"
                + "-mfpu=fpuda\n"
            ));
            SET_OPTIONS.get(ARCHS).load(new StringReader(
                "-mcpu=archs\n"
                + "-mdiv-rem\n"
                + "-mmpy-option=2\n"
                + "-mll64\n"
                + "-matomic\n"
            ));
            SET_OPTIONS.get(HS).load(new StringReader(
                "-mcpu=hs\n"
                + "-mmpy-option=0\n"
            ));
            SET_OPTIONS.get(HS34).load(new StringReader(
                "-mcpu=hs34\n"
                + "-mmpy-option=2\n"
                + "-matomic\n"
            ));
            SET_OPTIONS.get(HS38).load(new StringReader(
                "-mcpu=hs38\n"
                + "-mdiv-rem\n"
                + "-mmpy-option=9\n"
                + "-mll64\n"
                + "-matomic\n"
            ));
            SET_OPTIONS.get(HS38_LINUX).load(new StringReader(
                "-mcpu=hs38_linux\n"
                + "-mdiv-rem\n"
                + "-mmpy-option=9\n"
                + "-mll64\n"
                + "-matomic\n"
                + "-mfpu=fpud_all\n"
            ));
        } catch (IOException e) {
        }
    }

    private ArcCpu(String string, ArcCpuFamily toolchain) {
        this.string = string;
        this.toolchain = toolchain;
    }

    @Override
    public String toString() {
        return this.string;
    }

    public static ArcCpu fromCommand(final String command) {
        for (ArcCpu cpu : ArcCpu.values()) {
            if (command.endsWith(cpu.toString()))
                return cpu;
        }
        throw new IllegalArgumentException("String does not correspond to any ARC CPU.");
    }

    public Properties getOptionsToSet() {
        return SET_OPTIONS.get(this);
    }

    public ArcCpuFamily getToolChain() {
        return toolchain;
    }

}