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package/riscv64-elf-toolchain: new package

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This commit adds a new package for a prebuilt bare-metal toolchain for
RISC-V 64-bit. Indeed, some bootloader/firmware for the BeagleV (and
potentially later for other platforms?) do not build with a
Linux-capable toolchain.

This uses a pre-built toolchain from SiFive, precompiled for x86-64,
so all packages using this toolchain must have the appropriate
BR2_HOSTARCH dependency.

This package is modeled after package/arm-gnu-a-toolchain/, which
package a pre-built ARM32 bare-metal toolchain.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Thomas Petazzoni 2021-05-04 22:51:35 +02:00 committed by Yann E. MORIN
parent 839f00a811
commit 58d7c712d7
2 changed files with 26 additions and 0 deletions
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@ -2651,6 +2651,7 @@ F: package/python3/
F: package/python-mad/
F: package/python-serial/
F: package/qextserialport/
F: package/riscv64-elf-toolchain/
F: package/rpcbind/
F: package/rt-tests/
F: package/rtc-tools/

25
package/riscv64-elf-toolchain/riscv64-elf-toolchain.mk Normal file
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@ -0,0 +1,25 @@
################################################################################
#
# riscv64-elf-toolchain
#
################################################################################
RISCV64_ELF_TOOLCHAIN_VERSION = 2020.12.8
RISCV64_ELF_TOOLCHAIN_SITE = https://static.dev.sifive.com/dev-tools/freedom-tools/v2020.12
RISCV64_ELF_TOOLCHAIN_SOURCE = riscv64-unknown-elf-toolchain-10.2.0-$(RISCV64_ELF_TOOLCHAIN_VERSION)-x86_64-linux-centos6.tar.gz
HOST_RISCV64_ELF_TOOLCHAIN_INSTALL_DIR = $(HOST_DIR)/opt/riscv64-elf
define HOST_RISCV64_ELF_TOOLCHAIN_INSTALL_CMDS
rm -rf $(HOST_RISCV64_ELF_TOOLCHAIN_INSTALL_DIR)
mkdir -p $(HOST_RISCV64_ELF_TOOLCHAIN_INSTALL_DIR)
cp -rf $(@D)/* $(HOST_RISCV64_ELF_TOOLCHAIN_INSTALL_DIR)/
mkdir -p $(HOST_DIR)/bin
cd $(HOST_DIR)/bin && \
for i in ../opt/riscv64-elf/bin/*; do \
ln -sf $$i; \
done
endef
$(eval $(host-generic-package))