From a2d28c8318ab3ed40b3674aeee8b9487a3129f15 Mon Sep 17 00:00:00 2001
From: Megan Wachs <megan@sifive.com>
Date: Wed, 20 Jul 2016 16:52:44 -0700
Subject: Initial Tool Flow

---
 Makefile | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9d81d77
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,70 @@
+RISCV ?= $(CURDIR)/toolchain
+PATH := $(RISCV)/bin:$(PATH)
+
+srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
+srcdir := $(srcdir:/=)
+wrkdir := $(CURDIR)/work
+
+toolchain_srcdir := $(srcdir)/riscv-gnu-toolchain
+toolchain32_wrkdir := $(wrkdir)/riscv32-gnu-toolchain
+toolchain64_wrkdir := $(wrkdir)/riscv64-gnu-toolchain
+toolchain_dest := $(CURDIR)/toolchain
+
+gdb_srcdir := $(srcdir)/riscv-binutils-gdb
+gdb_wrkdir := $(wrkdir)/riscv-binutils-gdb
+gdb_dest := $(CURDIR)/toolchain
+
+openocd_srcdir := $(srcdir)/openocd
+openocd_wrkdir := $(wrkdir)/openocd
+openocd_dest := $(CURDIR)/toolchain
+
+target64 := riscv64-unknown-linux-gnu
+target32 := riscv32-unknown-linux-gnu
+
+
+.PHONY: all
+all: $(hex)
+	@echo All done.
+
+tools: tools64 tools32 openocd gdb
+
+tools64: $(toolchain_dest)/bin/$(target64)-gcc
+tools32: $(toolchain_dest)/bin/$(target32)-gcc
+openocd: $(openocd_dest)/bin/openocd
+gdb:     $(gdb_dest)/bin/$(target64)-gdb
+
+$(toolchain_dest)/bin/$(target64)-gcc: $(toolchain_srcdir)
+	mkdir -p $(toolchain64_wrkdir)
+	cd $(toolchain64_wrkdir); $(toolchain_srcdir)/configure --prefix=$(toolchain_dest) 
+	$(MAKE) -C $(toolchain64_wrkdir)
+
+$(toolchain_dest)/bin/$(target32)-gcc: $(toolchain_srcdir)
+	mkdir -p $(toolchain32_wrkdir)
+	cd $(toolchain32_wrkdir); $(toolchain_srcdir)/configure --prefix=$(toolchain_dest) --with-arch=RV32IMA
+	$(MAKE) -C $(toolchain32_wrkdir)
+
+
+$(openocd_dest)/bin/openocd: $(openocd_srcdir)
+	mkdir -p $(openocd_wrkdir)
+	cd $(openocd_srcdir); \
+	$(openocd_srcdir)/bootstrap
+	cd $(openocd_wrkdir); \
+	$(openocd_srcdir)/configure --prefix=$(openocd_dest)
+	$(MAKE) -C $(openocd_wrkdir)
+	$(MAKE) -C $(openocd_wrkdir) install
+
+$(gdb_dest)/bin/$(target64)-gdb : $(gdb_srcdir)
+	mkdir -p $(gdb_wrkdir)
+	cd $(gdb_wrkdir); $(gdb_srcdir)/configure --prefix=$(gdb_dest) --target=riscv64-unknown-elf
+	$(MAKE) -C $(gdb_wrkdir)
+	$(MAKE) -C $(gdb_wrkdir) install
+
+
+.PHONY: clean
+clean:
+	rm -rf -- $(wrkdir) 
+
+
+.PHONY: superclean
+superclean:
+	rm -rf -- $(toolchain_dest)
-- 
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