Initial Tool Flow

6 files changed, 82 insertions, 0 deletions

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..9527506
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "openocd"]
+	path = openocd
+	url = http://github.com/sifive/openocd.git
+[submodule "riscv-gnu-toolchain"]
+	path = riscv-gnu-toolchain
+	url = http://github.com/riscv/riscv-gnu-toolchain.git
+[submodule "riscv-binutils-gdb"]
+	path = riscv-binutils-gdb
+	url = http://github.com/sifive/riscv-binutils-gdb.git
+[submodule "riscv-tests"]
+	path = riscv-tests
+	url = http://github.com/timsifive/riscv-tests
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)
diff --git a/openocd b/openocd
new file mode 160000
+Subproject 47ef2c144b298d820c6daf5d38e5d4c110cf9f3
diff --git a/riscv-binutils-gdb b/riscv-binutils-gdb
new file mode 160000
+Subproject 23e74aee45e4b9330310c4d18fe68e7f87ba1cb
diff --git a/riscv-gnu-toolchain b/riscv-gnu-toolchain
new file mode 160000
+Subproject 11fb8bbdb07e80a5b02c9e8753482fb739152be
diff --git a/riscv-tests b/riscv-tests
new file mode 160000
+Subproject c3b7d479afd8e5c2bcb7e0632f03b80386196f1