added support for readonly memory sections
updated to use new SectionMoteMemory with address space offset code cleanup
This commit is contained in:
Fredrik Osterlind
parent
b49d1892f2
commit
bf39b411c9
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@ -45,7 +45,7 @@ import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Properties;
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import java.util.HashMap;
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import java.util.Random;
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import java.util.Vector;
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import java.util.regex.Matcher;
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@ -199,13 +199,8 @@ public class ContikiMoteType implements MoteType {
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// Type specific class configuration
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private ProjectConfig myConfig = null;
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private int relAddressOfReferenceVariable = 0;
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private CoreComm myCoreComm = null;
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// Variable name to address mappings
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private Properties varAddresses = new Properties();
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// Initial memory for all motes of this type
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private SectionMoteMemory initialMemory = null;
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@ -403,14 +398,16 @@ public class ContikiMoteType implements MoteType {
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int dataSectionAddr = -1, dataSectionSize = -1;
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int bssSectionAddr = -1, bssSectionSize = -1;
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int commonSectionAddr = -1, commonSectionSize = -1;
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int readonlySectionAddr = -1, readonlySectionSize = -1;
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HashMap<String, Integer> addresses = new HashMap<String, Integer>();
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if (useCommand) {
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/* Parse command output */
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String[] output = loadCommandData(getContikiFirmwareFile());
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if (output == null) {
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throw new MoteTypeCreationException("No parse command output loaded");
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}
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boolean parseOK = parseCommandData(output, varAddresses);
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boolean parseOK = parseCommandData(output, addresses);
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if (!parseOK) {
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logger.fatal("Command output parsing failed");
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throw new MoteTypeCreationException("Command output parsing failed");
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@ -423,6 +420,14 @@ public class ContikiMoteType implements MoteType {
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commonSectionAddr = parseCommandCommonSectionAddr(output);
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commonSectionSize = parseCommandCommonSectionSize(output);
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try {
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readonlySectionAddr = parseCommandReadonlySectionAddr(output);
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readonlySectionSize = parseCommandReadonlySectionSize(output);
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} catch (Exception e) {
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readonlySectionAddr = -1;
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readonlySectionSize = -1;
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}
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} else {
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/* Parse command output */
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if (mapFile == null ||
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@ -434,7 +439,7 @@ public class ContikiMoteType implements MoteType {
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logger.fatal("No map data could be loaded");
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throw new MoteTypeCreationException("No map data could be loaded: " + mapFile);
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}
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boolean parseOK = parseMapFileData(mapData, varAddresses);
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boolean parseOK = parseMapFileData(mapData, addresses);
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if (!parseOK) {
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logger.fatal("Map data parsing failed");
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throw new MoteTypeCreationException("Map data parsing failed: " + mapFile);
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@ -446,52 +451,99 @@ public class ContikiMoteType implements MoteType {
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bssSectionSize = parseMapBssSectionSize(mapData);
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commonSectionAddr = parseMapCommonSectionAddr(mapData);
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commonSectionSize = parseMapCommonSectionSize(mapData);
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readonlySectionAddr = -1;
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readonlySectionSize = -1;
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}
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if (varAddresses.size() == 0) {
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if (dataSectionAddr >= 0) {
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logger.info(getContikiFirmwareFile().getName() +
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": data section at 0x" + Integer.toHexString(dataSectionAddr) +
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" (" + dataSectionSize + " bytes)");
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} else {
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logger.fatal(getContikiFirmwareFile().getName() + ": no data section found");
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}
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if (bssSectionAddr >= 0) {
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logger.info(getContikiFirmwareFile().getName() +
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": BSS section at 0x" + Integer.toHexString(bssSectionAddr) +
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" (" + bssSectionSize + " bytes)");
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} else {
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logger.fatal(getContikiFirmwareFile().getName() + ": no BSS section found");
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}
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if (commonSectionAddr >= 0) {
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logger.info(getContikiFirmwareFile().getName() +
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": common section at 0x" + Integer.toHexString(commonSectionAddr) +
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" (" + commonSectionSize + " bytes)");
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} else {
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logger.info(getContikiFirmwareFile().getName() + ": no common section found");
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}
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if (readonlySectionAddr >= 0) {
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logger.info(getContikiFirmwareFile().getName() +
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": readonly section at 0x" + Integer.toHexString(readonlySectionAddr) +
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" (" + readonlySectionSize + " bytes)");
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} else {
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logger.warn(getContikiFirmwareFile().getName() + ": no readonly section found");
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}
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if (addresses.size() == 0) {
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throw new MoteTypeCreationException("Library variables parsing failed");
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}
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try {
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/* Relative <-> absolute addresses offset */
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relAddressOfReferenceVariable = (Integer) varAddresses.get("referenceVar");
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} catch (Exception e) {
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throw (MoteTypeCreationException) new MoteTypeCreationException(
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"JNI call error: " + e.getMessage()).initCause(e);
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}
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if (dataSectionAddr <= 0 || dataSectionSize <= 0
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|| bssSectionAddr <= 0 || bssSectionSize <= 0) {
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throw new MoteTypeCreationException("Library section addresses parsing failed");
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}
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myCoreComm.setReferenceAddress(relAddressOfReferenceVariable);
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try {
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/* Relative <-> absolute addresses offset */
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int referenceVar = (Integer) addresses.get("referenceVar");
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myCoreComm.setReferenceAddress(referenceVar);
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} catch (Exception e) {
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throw (MoteTypeCreationException) new MoteTypeCreationException(
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"JNI call error: " + e.getMessage()).initCause(e);
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}
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/* We first need the value of Contiki's referenceVar, which tells us the
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* memory offset between Contiki's variable and the relative addresses that
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* were calculated directly from the library file.
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*
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* This offset will be used in Cooja in the memory abstraction to match
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* Contiki's and Cooja's address spaces */
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int offset;
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{
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SectionMoteMemory tmp = new SectionMoteMemory(addresses, 0);
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byte[] data = new byte[dataSectionSize];
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getCoreMemory(dataSectionAddr, dataSectionSize, data);
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tmp.setMemorySegment(dataSectionAddr, data);
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byte[] bss = new byte[bssSectionSize];
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getCoreMemory(bssSectionAddr, bssSectionSize, bss);
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tmp.setMemorySegment(bssSectionAddr, bss);
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offset = tmp.getIntValueOf("referenceVar");
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logger.info(getContikiFirmwareFile().getName() +
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": offsetting Contiki mote address space: " + offset);
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}
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/* Create initial memory: data+bss+optional common */
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initialMemory = new SectionMoteMemory(varAddresses);
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initialMemory = new SectionMoteMemory(addresses, offset);
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byte[] initialDataSection = new byte[dataSectionSize];
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getCoreMemory(dataSectionAddr, dataSectionSize, initialDataSection);
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initialMemory.setMemorySegment(dataSectionAddr, initialDataSection);
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logger.info(getContikiFirmwareFile().getName() +
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": data section at 0x" + Integer.toHexString(dataSectionAddr) +
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" (" + dataSectionSize + " bytes)");
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initialMemory.setMemorySegmentNative(dataSectionAddr, initialDataSection);
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byte[] initialBssSection = new byte[bssSectionSize];
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getCoreMemory(bssSectionAddr, bssSectionSize, initialBssSection);
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initialMemory.setMemorySegment(bssSectionAddr, initialBssSection);
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logger.info(getContikiFirmwareFile().getName() +
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": BSS section at 0x" + Integer.toHexString(bssSectionAddr) +
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" (" + bssSectionSize + " bytes)");
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initialMemory.setMemorySegmentNative(bssSectionAddr, initialBssSection);
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if (commonSectionAddr > 0 && commonSectionSize > 0) {
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if (commonSectionAddr >= 0 && commonSectionSize > 0) {
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byte[] initialCommonSection = new byte[commonSectionSize];
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getCoreMemory(commonSectionAddr, commonSectionSize, initialCommonSection);
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initialMemory.setMemorySegment(commonSectionAddr, initialCommonSection);
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logger.info(getContikiFirmwareFile().getName() +
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": common section at 0x" + Integer.toHexString(commonSectionAddr) +
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" (" + commonSectionSize + " bytes)");
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initialMemory.setMemorySegmentNative(commonSectionAddr, initialCommonSection);
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}
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/* Read "read-only" memory */
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if (readonlySectionAddr >= 0 && readonlySectionSize > 0) {
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byte[] readonlySection = new byte[readonlySectionSize];
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getCoreMemory(readonlySectionAddr, readonlySectionSize, readonlySection);
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initialMemory.setReadonlyMemorySegment(readonlySectionAddr+offset, readonlySection);
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}
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}
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@ -524,7 +576,7 @@ public class ContikiMoteType implements MoteType {
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public void setCoreMemory(SectionMoteMemory mem) {
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for (int i = 0; i < mem.getNumberOfSections(); i++) {
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setCoreMemory(
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mem.getStartAddrOfSection(i),
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mem.getSectionNativeAddress(i) /* native address space */,
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mem.getSizeOfSection(i), mem.getDataOfSection(i));
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}
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}
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@ -538,8 +590,7 @@ public class ContikiMoteType implements MoteType {
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* @param varAddresses
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* Properties that should contain the name to addresses mappings.
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*/
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public static boolean parseMapFileData(String[] mapFileData,
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Properties varAddresses) {
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public static boolean parseMapFileData(String[] mapFileData, HashMap<String, Integer> varAddresses) {
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String[] varNames = getMapFileVarNames(mapFileData);
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if (varNames == null || varNames.length == 0) {
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return false;
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@ -565,7 +616,7 @@ public class ContikiMoteType implements MoteType {
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* @param output Command output
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* @param addresses Variable addresses mappings
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*/
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public static boolean parseCommandData(String[] output, Properties addresses) {
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public static boolean parseCommandData(String[] output, HashMap<String, Integer> addresses) {
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int nrNew = 0, nrOld = 0, nrMismatch = 0;
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Pattern pattern =
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@ -615,10 +666,9 @@ public class ContikiMoteType implements MoteType {
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*/
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public void getCoreMemory(SectionMoteMemory mem) {
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for (int i = 0; i < mem.getNumberOfSections(); i++) {
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int startAddr = mem.getStartAddrOfSection(i);
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int startAddr = mem.getSectionNativeAddress(i); /* native address space */
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int size = mem.getSizeOfSection(i);
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byte[] data = mem.getDataOfSection(i);
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getCoreMemory(startAddr, size, data);
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}
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}
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@ -689,12 +739,10 @@ public class ContikiMoteType implements MoteType {
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* @param varName Name of variable
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* @return Relative memory address of variable or -1 if not found
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*/
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public static int getMapFileVarAddress(String[] mapFileData, String varName, Properties varAddresses) {
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int varAddr;
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String varAddrString;
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if ((varAddrString = varAddresses.getProperty(varName)) != null) {
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varAddr = Integer.parseInt(varAddrString);
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return varAddr;
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private static int getMapFileVarAddress(String[] mapFileData, String varName, HashMap<String, Integer> varAddresses) {
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Integer varAddrInteger;
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if ((varAddrInteger = varAddresses.get(varName)) != null) {
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return varAddrInteger.intValue();
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}
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String regExp =
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@ -704,9 +752,9 @@ public class ContikiMoteType implements MoteType {
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String retString = getFirstMatchGroup(mapFileData, regExp, 1);
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if (retString != null) {
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varAddresses.setProperty(varName, Integer.toString(Integer.parseInt(
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retString.trim(), 16)));
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return Integer.parseInt(retString.trim(), 16);
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varAddrInteger = Integer.parseInt(retString.trim(), 16);
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varAddresses.put(varName, varAddrInteger);
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return varAddrInteger.intValue();
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} else {
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return -1;
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}
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@ -760,7 +808,7 @@ public class ContikiMoteType implements MoteType {
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return varNames.toArray(new String[0]);
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}
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public static String[] getAllVariableNames(String[] lines,
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private static String[] getAllVariableNames(String[] lines,
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int startAddress, int endAddress) {
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ArrayList<String> varNames = new ArrayList<String>();
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@ -915,6 +963,21 @@ public class ContikiMoteType implements MoteType {
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return end - start;
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}
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private static int parseCommandReadonlySectionAddr(String[] output) {
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return parseFirstHexInt("^([0-9A-Fa-f]*)[ \t]t[ \t].text$", output);
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}
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private static int parseCommandReadonlySectionSize(String[] output) {
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int start = parseCommandReadonlySectionAddr(output);
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if (start < 0) {
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return -1;
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}
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/* Extract the last specified address, assuming that the interval covers all the memory */
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String last = output[output.length-1];
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int lastAddress = Integer.parseInt(last.split("[ \t]")[0],16);
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return lastAddress - start;
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}
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private static int getRelVarAddr(String mapFileData[], String varName) {
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String regExp =
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GUI.getExternalToolsSetting("MAPFILE_VAR_ADDRESS_1") +
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