Exercises for Chapter 18 including some extra crypto programs/SV stuff

examples/crypto/aes/Makefile

@@ -1,13 +1,21 @@
 CC = gcc
 CFLAGS = -g
 
-all: aes
+RISCV_CC = riscv64-unknown-elf-gcc
+RISCV_OBJDUMP = riscv64-unknown-elf-objdump
+COMMON_DIR = ../../C/common
+RISCV_CFLAGS = -gdwarf-2 -march=rv64gc -mabi=lp64d -mcmodel=medany \
+		-nostdlib -static -lm -fno-tree-loop-distribute-patterns \
+		-nostartfiles -T$(COMMON_DIR)/test.ld -I$(COMMON_DIR)
 
-aes:	aes.c
-	$(CC) $(CFLAGS) aes.c -o aes
+TARGET = aes
 
-clean:
-	rm -rf aes
-	rm -f *~
+.PHONY: all clean $(TARGET) $(TARGET).elf $(TARGET).objdump
+
+all: $(TARGET) $(TARGET).elf $(TARGET).objdump
 
-.PHONY: all clean
+$(TARGET): $(TARGET).c
+	$(CC) $(CFLAGS) -o $@ $<
+
+clean:
+	rm -f $(TARGET) $(TARGET).elf $(TARGET).objdump *~