Merge pull request #954 from riscv/make_code

Revive `make debug_defines` and `make chisel`

build/Makefile

@@ -27,6 +27,9 @@ REGISTERS_ADOC += abstract_commands.adoc
 REGISTERS_ADOC += sw_registers.adoc
 REGISTERS_PY = ../registers.py
 
+REGISTERS_CHISEL += dm_registers.scala
+REGISTERS_CHISEL += abstract_commands.scala
+
 ASCIIDOCTOR_PDF := asciidoctor-pdf
 OPTIONS := --trace \
            -a compress \
@@ -66,6 +69,21 @@ build-registers:	$(REGISTERS_ADOC)
 %.adoc:	../xml/%.xml $(REGISTERS_PY)
 	../registers.py --adoc $@ --adoc-definitions $(patsubst %.adoc,%-def.adoc,$@) $<
 
+debug_defines: debug_defines.h debug_defines.c $(patsubst %,../xml/%,$(REGISTERS_ADOC:.adoc=.xml)) ../registers.py
+	../registers.py $@ --cgetters $(filter %.xml, $^)
+
+debug_defines.%:
+	echo "/*" > $@
+	echo " * This file is auto-generated by running 'make debug_defines' in" >> $@
+	echo " * https://github.com/riscv/riscv-debug-spec/ (`git describe --always --dirty --exclude '*'`)" >> $@
+	echo " */" >> $@
+	echo >> $@
+
+%.scala: ../xml/%.xml ../registers.py
+	../registers.py --chisel $(basename $@).scala $< > /dev/null
+
+chisel: $(REGISTERS_CHISEL)
+
 clean:
 	@echo "Cleaning up generated files..."
 	rm -f $(PDF_RESULT) $(REGISTERS_ADOC)