1) Add FileTimeStamp class to centralize the cache mechanism for file time stamp...

[mirror_edk2.git] / Tools / Source / FrameworkTasks / org / tianocore / framework / tasks / FlashMapTask.java

diff --git a/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/FlashMapTask.java b/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/FlashMapTask.java
index 5c3e88920a85a1ae4d058c2fbb5c94fbb5792222..c6f5099afa6cf927e13948bf282f3f32dad7104c 100644 (file)
--- a/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/FlashMapTask.java
+++ b/Tools/Source/FrameworkTasks/org/tianocore/framework/tasks/FlashMapTask.java
@@ -17,6 +17,14 @@
 package org.tianocore.framework.tasks;\r
 \r
 import java.io.File;\r
+import java.io.FileReader;\r
+import java.io.BufferedReader;\r
+\r
+import java.util.List;\r
+import java.util.ArrayList;\r
+import java.util.regex.Pattern;\r
+import java.util.regex.Matcher;\r
+\r
 import org.apache.tools.ant.Task;\r
 import org.apache.tools.ant.Project;\r
 import org.apache.tools.ant.BuildException;\r
@@ -35,8 +43,14 @@ public class FlashMapTask extends Task implements EfiDefine {
     //\r
     // tool name\r
     //\r
-    private final String toolName = "FlashMap";\r
+    private static final String toolName = "FlashMap";\r
 \r
+    //\r
+    // \r
+    // \r
+    private static Pattern fileBlock = Pattern.compile("\\s*File\\s*\\{([^\\{\\}]+)\\}");\r
+    private static Pattern fileNameDef = Pattern.compile("\\bName\\s*=\\s*\"([^\"]+)\"");\r
+    \r
     //\r
     // Flash definition file\r
     //\r
@@ -135,7 +149,6 @@ public class FlashMapTask extends Task implements EfiDefine {
       @throws BuidException\r
      **/\r
     public void execute() throws BuildException {\r
-        /*\r
         if (isUptodate()) {\r
             EdkLog.log(this, EdkLog.EDK_VERBOSE, headerFile.toFileList()\r
                                                  + imageOutFile.toFileList()\r
@@ -143,10 +156,9 @@ public class FlashMapTask extends Task implements EfiDefine {
                                                  + dscFile.toFileList()\r
                                                  + asmIncFile.toFileList()\r
                                                  + outStrFile\r
-                                                 + " is/are up-to-date!");\r
+                                                 + " is up-to-date!");\r
             return;\r
         }\r
-        */\r
 \r
         Project project = this.getOwningTarget().getProject();\r
         //\r
@@ -689,6 +701,13 @@ public class FlashMapTask extends Task implements EfiDefine {
                 EdkLog.log(this, EdkLog.EDK_VERBOSE, srcName + " has been changed since last build!");\r
                 return false;\r
             }\r
+\r
+            //\r
+            // we need to check the time stamp of each FV file specified in fdf file\r
+            // \r
+            if (!isFdUptodate(dstName, getFvFiles(flashDefFile.getValue()))) {\r
+                return false;\r
+            }\r
         }\r
 \r
         if (!mcoFile.isEmpty()) {\r
@@ -749,4 +768,82 @@ public class FlashMapTask extends Task implements EfiDefine {
 \r
         return true;\r
     }\r
+\r
+    //\r
+    // Parse the flash definition file and find out the FV file names\r
+    // \r
+    private List<String> getFvFiles(String fdfFileName) {\r
+        File fdfFile = new File(fdfFileName);\r
+        int fileLength = (int)fdfFile.length();\r
+        char[] fdfContent = new char[fileLength];\r
+        List<String> fileList = new ArrayList<String>();\r
+\r
+        try {\r
+            FileReader reader = new FileReader(fdfFile);\r
+            BufferedReader in = new BufferedReader(reader);\r
+\r
+            in.read(fdfContent, 0, fileLength);\r
+            String str = new String(fdfContent);\r
+\r
+            //\r
+            // match the \r
+            //      File {\r
+            //        ...\r
+            //      }\r
+            // block\r
+            // \r
+            Matcher matcher = fileBlock.matcher(str);\r
+            while (matcher.find()) {\r
+                String fileBlockContent = str.substring(matcher.start(1), matcher.end(1));\r
+                //\r
+                // match the definition like\r
+                //      Name = "..."\r
+                //  \r
+                Matcher nameMatcher = fileNameDef.matcher(fileBlockContent);\r
+                if (nameMatcher.find()) {\r
+                    fileList.add(fileBlockContent.substring(nameMatcher.start(1), nameMatcher.end(1)));\r
+                }\r
+            }\r
+\r
+            in.close();\r
+            reader.close();\r
+        } catch (Exception ex) {\r
+            throw new BuildException(ex.getMessage());\r
+        }\r
+\r
+        return fileList;\r
+    }\r
+\r
+    private boolean isFdUptodate(String fdFile, List<String> fvFileList) {\r
+        String fvDir = ".";\r
+        File fd = new File(fdFile);\r
+\r
+        if (outputDir.equals(".")) {\r
+            if (!fd.isAbsolute()) {\r
+                //\r
+                // If we cannot get the absolute path of fd file, we caanot\r
+                // get its time stamp. Re-generate it always in such situation.\r
+                // \r
+                EdkLog.log(this, EdkLog.EDK_VERBOSE, "Cannot retrieve the time stamp of " + fdFile);\r
+                return false;\r
+            }\r
+            fvDir = fd.getParent();\r
+        } else {\r
+            fvDir = outputDir;\r
+            if (!fd.isAbsolute()) {\r
+                fd = new File(fvDir + File.separator + fdFile);\r
+            }\r
+        }\r
+\r
+        long fdTimeStamp = fd.lastModified();\r
+        for (int i = 0; i < fvFileList.size(); ++i) {\r
+            File fv = new File(fvDir + File.separator + fvFileList.get(i));\r
+            if (fv.lastModified() > fdTimeStamp) {\r
+                EdkLog.log(this, EdkLog.EDK_VERBOSE, fv.getPath() + " has been changed since last build!");\r
+                return false;\r
+            }\r
+        }\r
+\r
+        return true;\r
+    }\r
 }\r