From 6052ab0244aa06b033eed47313c42093f9cc5e4b Mon Sep 17 00:00:00 2001
From: Zihao Yu <yuzihao@ict.ac.cn>
Date: Mon, 16 Aug 2021 10:44:56 +0800
Subject: [PATCH] kernels: support NEMU over AM

---
 kernels/nemu/Makefile | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 kernels/nemu/Makefile

diff --git a/kernels/nemu/Makefile b/kernels/nemu/Makefile
new file mode 100644
index 0000000..2cf0f38
--- /dev/null
+++ b/kernels/nemu/Makefile
@@ -0,0 +1,29 @@
+ARCH_SPLIT = $(subst -, ,$(ARCH))
+ISA        = $(word 1,$(ARCH_SPLIT))
+PLATFORM   = $(word 2,$(ARCH_SPLIT))
+
+ifneq ($(PLATFORM), nemu)
+$(error Only support with NEMU)
+endif
+
+TMPDEFCONFIG = tmp_defconfig
+
+all:
+	$(MAKE) save_config
+	$(MAKE) build_am
+	$(MAKE) restore_config
+	$(MAKE) -C $(NEMU_HOME) run IMG=$(NEMU_HOME)/build/$(ISA)-nemu-interpreter-$(ARCH).bin
+
+save_config:
+	$(MAKE) -C $(NEMU_HOME) savedefconfig
+	mv $(NEMU_HOME)/configs/defconfig $(NEMU_HOME)/configs/$(TMPDEFCONFIG)
+
+build_am:
+	$(MAKE) -C $(NEMU_HOME) $(ISA)-am_defconfig
+	$(MAKE) -C $(NEMU_HOME) ARCH=$(ARCH) mainargs=$(mainargs)
+
+restore_config:
+	$(MAKE) -C $(NEMU_HOME) ARCH=$(ARCH) $(TMPDEFCONFIG)
+	rm $(NEMU_HOME)/configs/$(TMPDEFCONFIG)
+
+.PHONY: all save_config build_am restore_config