Initial functional implementation

src/main/java/devicetreeblob/DeviceTreeBlobPlugin.java

@@ -17,9 +17,14 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.text.ParseException;
+import java.util.List;
+import java.util.stream.Collectors;
 
 import javax.swing.JComponent;
 
+import devicetreeblob.DtbParser.Block;
+import devicetreeblob.DtbParser.Block.Reg;
 import docking.action.builder.ActionBuilder;
 import docking.tool.ToolConstants;
 import docking.widgets.filechooser.GhidraFileChooser;
@@ -33,7 +38,14 @@
 import ghidra.framework.plugintool.PluginTool;
 import ghidra.framework.plugintool.util.PluginStatus;
 import ghidra.framework.preferences.Preferences;
+import ghidra.framework.store.LockException;
+import ghidra.program.model.address.Address;
+import ghidra.program.model.address.AddressOverflowException;
+import ghidra.program.model.address.AddressSpace;
 import ghidra.program.model.listing.Program;
+import ghidra.program.model.mem.Memory;
+import ghidra.program.model.mem.MemoryBlock;
+import ghidra.program.model.mem.MemoryConflictException;
 import ghidra.util.Msg;
 import ghidra.util.filechooser.ExtensionFileFilter;
 
@@ -54,7 +66,7 @@ public DeviceTreeBlobPlugin(PluginTool tool) {
 		super(tool);
 		createActions();
 	}
-	
+
 	private void createActions() {
 		new ActionBuilder("Load DTB File", this.getName()).withContext(ProgramActionContext.class)
 				.validContextWhen(pac -> pac.getProgram() != null).menuPath(ToolConstants.MENU_FILE, "Load DTB File...")
@@ -68,23 +80,64 @@ private void loadDtb(ProgramActionContext pac) {
 			Msg.showWarn(getClass(), null, "Load PDB", "Unable to load PDB file while analysis is running.");
 			return;
 		}
-		
+
 		File file = getDtbFileFromDialog(pac.getComponentProvider().getComponent());
 		if (file == null)
 			return;
-		
+
 		Msg.info(getClass(), "Loading " + file.getPath());
-		Dtb dtb;
+		DtbParser dtb;
 		try {
-			dtb = Dtb.fromFile(file.getAbsolutePath());
-		} catch (IOException e) {
+			dtb = new DtbParser(file);
+		} catch (IOException | ParseException e) {
 			Msg.error(getClass(), "Could not parse DTB file!", e);
 			return;
 		}
-
-
 
+		Msg.info(getClass(), "Filtering unwanted DTB blocks...");
+		List<Block> memBlocks = dtb.mBlocks.stream().filter(x -> (!x.name().equalsIgnoreCase("cpu") && x.hasRegs()))
+				.collect(Collectors.toList());
+
+		Msg.info(getClass(), "Creating regions in memory...");
+		Memory memory = program.getMemory();
+		AddressSpace addrSpace = program.getAddressFactory().getDefaultAddressSpace();
+		for (Block block : memBlocks)
+			for (Reg region : block.getRegs()) {
+				String reg_name = block.name() + ((region.name != null) ? ("_" + region.name) : "");
+				Address addr = addrSpace.getAddress(region.addr);
 
+				int transactionId = program.startTransaction("Device Tree Blob memory block creation");
+				boolean ok = createMemoryRegion(memory, reg_name, addr, region.size);
+				program.endTransaction(transactionId, ok);
+			}
+	}
+
+	private boolean createMemoryRegion(Memory memory, String name, Address addr, Long size) {
+		try {
+			MemoryBlock memBlock = memory.createUninitializedBlock(name, addr, size, false);
+			boolean isRam = name.equals("memory");
+			memBlock.setRead(true);
+			memBlock.setWrite(true);
+			memBlock.setExecute(isRam);
+			memBlock.setVolatile(!isRam);
+			memBlock.setComment("Generated by Device Tree Blob");
+			return true;
+		} catch (MemoryConflictException e) {
+			Msg.error(getClass(),
+					"Could not create a region for " + name + "@" + String.format("0x%08x", addr.getOffset()) + "+"
+							+ String.format("0x%08x", size) + ". It conflicts with an existing region!",
+					e);
+		} catch (LockException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IllegalArgumentException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (AddressOverflowException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return false;
 	}
 
 	private File getDtbFileFromDialog(JComponent parent) {