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| author | Clifford Wolf <clifford@clifford.at> | 2016-05-31 16:21:24 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2016-05-31 16:21:24 +0200 |
| commit | 30e815d1044046bdae800b8bdb8dddca635d241d (patch) | |
| tree | 16b607f6d387dac0f649d79350c8cb47da31b24d | |
| parent | 614164aabc3e9f86a9987e48d08fc02dabb1026a (diff) | |
| download | picorv32-30e815d1044046bdae800b8bdb8dddca635d241d.tar.gz picorv32-30e815d1044046bdae800b8bdb8dddca635d241d.zip | |
Updated riscv-gnu-toolchain version to git rev 13f52d2 (2016-05-31)
| -rw-r--r-- | Makefile | 12 | ||||
| -rw-r--r-- | README.md | 10 |
2 files changed, 11 insertions, 11 deletions
@@ -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 $(call build_tools_template,riscv32imc,RV32IMC)) build-tools: @echo "This will remove all existing data from /opt/riscv32i, /opt/riscv32ic, /opt/riscv32im, and /opt/riscv32imc." @@ -318,9 +318,9 @@ any other ALU operation. The following dhrystone benchmark results are for a core with enabled `ENABLE_MUL`, `ENABLE_DIV`, and `BARREL_SHIFTER` options. -Dhrystone benchmark results: 0.395 DMIPS/MHz (695 Dhrystones/Second/MHz) +Dhrystone benchmark results: 0.406 DMIPS/MHz (715 Dhrystones/Second/MHz) -For the Dhrystone benchmark the average CPI is 4.047. +For the Dhrystone benchmark the average CPI is 4.072. PicoRV32 Native Memory Interface @@ -578,10 +578,10 @@ pure RV32I target, and install it in `/opt/riscv32i`: git clone https://github.com/riscv/riscv-gnu-toolchain riscv-gnu-toolchain-rv32i cd riscv-gnu-toolchain-rv32i - git checkout 34db4e0 + git checkout 13f52d2 mkdir build; cd build - ../configure --with-xlen=32 --with-arch=I --prefix=/opt/riscv32i --disable-float --disable-atomic + ../configure --with-arch=RV32I --prefix=/opt/riscv32i make -j$(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 |