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authorNathaniel Graff <nathaniel.graff@sifive.com>2019-02-13 18:43:15 +0000
committerGitHub <noreply@github.com>2019-02-13 18:43:15 +0000
commite4f2c4bc106048db6a3d89e3c40b28bd3332479c (patch)
tree11e63b32f59c955f17f2f497933795c4fd69bfc0 /scripts
parentf645822003024a89dcf5278dbd386250179bf1f1 (diff)
parentcb8873379bd03d84352a6d28e985ab975b555dbb (diff)
Merge pull request #171 from sifive/standalone-build-metal
Enable Freedom Metal builds in standalone projects
Diffstat (limited to 'scripts')
-rw-r--r--scripts/libmetal.mk48
1 files changed, 48 insertions, 0 deletions
diff --git a/scripts/libmetal.mk b/scripts/libmetal.mk
new file mode 100644
index 0000000..7cdb7c5
--- /dev/null
+++ b/scripts/libmetal.mk
@@ -0,0 +1,48 @@
+
+#############################################################
+# Compiles an instance of the MEE targeted at $(TARGET)
+#############################################################
+MEE_SOURCE_PATH ?= freedom-metal
+MEE_LDSCRIPT = $(BSP_DIR)/metal.lds
+MEE_HEADER = $(BSP_DIR)/metal.h
+
+.PHONY: metal
+metal: $(BSP_DIR)/install/stamp
+
+$(BSP_DIR)/build/Makefile:
+ @rm -rf $(dir $@)
+ @mkdir -p $(dir $@)
+ cd $(dir $@) && \
+ CFLAGS="-march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -g -mcmodel=medany" \
+ $(abspath $(MEE_SOURCE_PATH)/configure) \
+ --host=$(CROSS_COMPILE) \
+ --prefix=$(abspath $(BSP_DIR)/install) \
+ --disable-maintainer-mode \
+ --with-preconfigured \
+ --with-machine-name=$(TARGET) \
+ --with-machine-header=$(abspath $(MEE_HEADER)) \
+ --with-machine-ldscript=$(abspath $(MEE_LDSCRIPT)) \
+ --with-builtin-libgloss
+ touch -c $@
+
+$(BSP_DIR)/install/stamp: $(BSP_DIR)/build/Makefile
+ $(MAKE) -C $(abspath $(BSP_DIR)/build) install
+ date > $@
+
+$(BSP_DIR)/install/lib/libriscv%.a: $(BSP_DIR)/install/stamp ;@:
+
+$(BSP_DIR)/install/lib/libmetal.a: $(BSP_DIR)/install/lib/libriscv__mmachine__$(TARGET).a
+ cp $< $@
+
+$(BSP_DIR)/install/lib/libmetal-gloss.a: $(BSP_DIR)/install/lib/libriscv__menv__metal.a
+ cp $< $@
+
+.PHONY: clean-metal
+clean-metal:
+ rm -rf $(BSP_DIR)/install
+ rm -rf $(BSP_DIR)/build
+clean: clean-metal
+
+metal_install: metal
+ $(MAKE) -C $(MEE_SOURCE_PATH) install
+