[qemu-vexpress-a9] Add eclipse project support.

bsp/qemu-vexpress-a9/.gitignore

+*.pyc
+*.map
+*.dblite
+*.elf
+*.bin
+*.hex
+*.axf
+*.exe
+*.pdb
+*.idb
+*.ilk
+*.old
+build
+Debug
+documentation/html
+packages/
+*~
+*.o
+*.obj
+*.out
+*.bak
+*.dep
+*.lib
+*.i
+*.d
+.DS_Stor*
+.config 3
+.config 4
+.config 5
+Midea-X1
+*.uimg
+GPATH
+GRTAGS
+GTAGS
+.vscode
+JLinkLog.txt
+JLinkSettings.ini
+DebugConfig/
+RTE/
+settings/
+*.uvguix*
+cconfig.h
+.settings

bsp/qemu-vexpress-a9/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>qemu-vexpress-a9</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+	<linkedResources>
+		<link>
+			<name>rt-thread</name>
+			<type>2</type>
+			<locationURI>virtual:/virtual</locationURI>
+		</link>
+		<link>
+			<name>rt-thread/components</name>
+			<type>2</type>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/components</locationURI>
+		</link>
+		<link>
+			<name>rt-thread/include</name>
+			<type>2</type>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/include</locationURI>
+		</link>
+		<link>
+			<name>rt-thread/libcpu</name>
+			<type>2</type>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/libcpu</locationURI>
+		</link>
+		<link>
+			<name>rt-thread/src</name>
+			<type>2</type>
+			<locationURI>$%7BPARENT-2-PROJECT_LOC%7D/src</locationURI>
+		</link>
+	</linkedResources>
+</projectDescription>

bsp/qemu-vexpress-a9/makefile.targets

+clean2:
+	-$(RM) $(CC_DEPS)$(C++_DEPS)$(C_UPPER_DEPS)$(CXX_DEPS)$(SECONDARY_FLASH)$(SECONDARY_SIZE)$(ASM_DEPS)$(S_UPPER_DEPS)$(C_DEPS)$(CPP_DEPS)
+	-$(RM) $(OBJS) *.elf
+	-@echo ' '
\ No newline at end of file