riscv/freedom-u-sdk
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auto-build toolchain for those without one

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This commit is contained in:
Wesley W. Terpstra 2016-07-08 16:29:55 -07:00
parent b206c481fe
commit 22cd89cd80
2 changed files with 18 additions and 1 deletions
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2
.gitignore vendored
View File

@ -1,2 +1,4 @@
linux-*.tar.xz linux-*.tar.xz
work/ work/
toolchain
riscv-tools/

17
Makefile
View File

@ -1,3 +1,5 @@
RISCV ?= $(CURDIR)/toolchain
PATH := $(RISCV)/bin:$(PATH)
srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST)))) srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
srcdir := $(srcdir:/=) srcdir := $(srcdir:/=)
@ -30,8 +32,21 @@ target := riscv64-unknown-linux-gnu
.PHONY: all .PHONY: all
all: $(hex) all: $(hex)
@echo
@echo Find the SD-card image in work/bbl.bin
@echo Program it with: dd if=work/bbl.bin of=/dev/sd-your-card bs=1M
@echo
$(buildroot_tar): $(buildroot_srcdir) $(CURDIR)/toolchain/bin/$(target)-gcc:
@echo
@echo WARNING: You have no RISC-V toolchain installed.
@echo A toolchain will be downloaded and built in 5 seconds...
@echo
@sleep 5
test -d riscv-tools || git clone -b freedom-unleashed-v0.1 --recursive https://github.com/ucb-bar/riscv-tools.git
cd riscv-tools; RISCV=$(RISCV) ./build.sh
$(buildroot_tar): $(buildroot_srcdir) $(RISCV)/bin/$(target)-gcc
$(MAKE) -C $< O=$(buildroot_wrkdir) riscv64_defconfig $(MAKE) -C $< O=$(buildroot_wrkdir) riscv64_defconfig
$(MAKE) -C $< O=$(buildroot_wrkdir) $(MAKE) -C $< O=$(buildroot_wrkdir)