Hardware
/
picorv32
mirror of https://github.com/YosysHQ/picorv32.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Updated riscv-gnu-toolchain version to git rev 13f52d2 (2016-05-31)

This commit is contained in:
Clifford Wolf 2016-05-31 16:21:24 +02:00
parent 614164aabc
commit 30e815d104
2 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Makefile
View File

@ -1,5 +1,5 @@
RISCV_GNU_TOOLCHAIN_REV = 34db4e0
RISCV_GNU_TOOLCHAIN_REV = 13f52d2
GCC_URL = http://mirrors.kernel.org/gnu/gcc/gcc-6.1.0/gcc-6.1.0.tar.gz
NEWLIB_URL = ftp://sourceware.org/pub/newlib/newlib-2.2.0.tar.gz
BINUTILS_URL = http://mirrors.kernel.org/gnu/binutils/binutils-2.26.tar.gz
@ -91,16 +91,16 @@ build-$(1)-tools-bh:
set -ex; if ! test -d riscv-gnu-toolchain-$(1); then git clone https://github.com/riscv/riscv-gnu-toolchain riscv-gnu-toolchain-$(1); \
else cd riscv-gnu-toolchain-$(1); git checkout master; git pull; fi
set -ex; cd riscv-gnu-toolchain-$(1); rm -rf build; git checkout $(RISCV_GNU_TOOLCHAIN_REV); mkdir -p build
set -ex; cd riscv-gnu-toolchain-$(1)/build; ../configure --with-xlen=32 --with-arch=$(2) --prefix=/opt/$(1) --disable-float --disable-atomic
set -ex; cd riscv-gnu-toolchain-$(1)/build; ../configure --with-arch=$(2) --prefix=/opt/$(1)
+set -ex; cd riscv-gnu-toolchain-$(1)/build; make
.PHONY: build-$(1)-tools
endef
$(eval $(call build_tools_template,riscv32i,I))
$(eval $(call build_tools_template,riscv32ic,IC))
$(eval $(call build_tools_template,riscv32im,IM))
$(eval $(call build_tools_template,riscv32imc,IMC))
$(eval $(call build_tools_template,riscv32i,RV32I))
$(eval $(call build_tools_template,riscv32ic,RV32IC))
$(eval $(call build_tools_template,riscv32im,RV32IM))
$(eval $(call build_tools_template,riscv32imc,RV32IMC))
build-tools:
@echo "This will remove all existing data from /opt/riscv32i, /opt/riscv32ic, /opt/riscv32im, and /opt/riscv32imc."

10
README.md
View File

@ -318,9 +318,9 @@ any other ALU operation.
The following dhrystone benchmark results are for a core with enabled
`ENABLE_MUL`, `ENABLE_DIV`, and `BARREL_SHIFTER` options.
Dhrystone benchmark results: 0.395 DMIPS/MHz (695 Dhrystones/Second/MHz)
Dhrystone benchmark results: 0.406 DMIPS/MHz (715 Dhrystones/Second/MHz)
For the Dhrystone benchmark the average CPI is 4.047.
For the Dhrystone benchmark the average CPI is 4.072.
PicoRV32 Native Memory Interface
@ -578,10 +578,10 @@ pure RV32I target, and install it in `/opt/riscv32i`:
git clone https://github.com/riscv/riscv-gnu-toolchain riscv-gnu-toolchain-rv32i
cd riscv-gnu-toolchain-rv32i
git checkout 34db4e0
git checkout 13f52d2
mkdir build; cd build
../configure --with-xlen=32 --with-arch=I --prefix=/opt/riscv32i --disable-float --disable-atomic
../configure --with-arch=RV32I --prefix=/opt/riscv32i
make -j$(nproc)
The commands will all be named using the prefix `riscv32-unknown-elf-`, which
@ -604,7 +604,7 @@ By default calling any of those make targets will (re-)download the toolchain
sources. Run `make download-tools` to download the sources to `/var/cache/distfiles/`
once in advance.
*Note: This instructions are for git rev 34db4e0 (2016-05-05) of riscv-gnu-toolchain.*
*Note: This instructions are for git rev 13f52d2 (2016-05-31) of riscv-gnu-toolchain.*
Evaluation: Timing and Utilization on Xilinx 7-Series FPGAs