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| -rw-r--r-- | README.md | 18 | ||||
| -rw-r--r-- | yosys.diff | 27 |
2 files changed, 45 insertions, 0 deletions
@@ -106,3 +106,21 @@ iceprog leds.bin ``` > NOTE: on GNU/Linux, it should be possible to use `iceprog` through `ghdl/synth:icestorm`. On Windows and macOS, accessing USB/COM ports of the host from containers seems not to be supported yet. Therefore, `iceprog` is required to be available on the host. + +## Build as part of yosys (not recommended) + +- Get and build ghdl as in the previous section. + +- Get [yosys](https://github.com/YosysHQ/yosys) sources. + +- Get ghdl-yosys-plugin and: + - Patch yosys sources using `yosys.diff`. + - Copy `src/*` to `yosys/frontends/ghdl`. + - Configure yosys by adding (to) `Makefile.conf`: + +```makefile +ENABLE_GHDL := 1 +GHDL_DIR := <ghdl install dir> +``` + +- Build and install yosys. diff --git a/yosys.diff b/yosys.diff new file mode 100644 index 0000000..3e3ecc3 --- /dev/null +++ b/yosys.diff @@ -0,0 +1,27 @@ +diff --git a/Makefile b/Makefile +index b3cfd71..ea45121 100644 +--- a/Makefile ++++ b/Makefile +@@ -13,6 +13,7 @@ ENABLE_TCL := 1 + ENABLE_ABC := 1 + ENABLE_GLOB := 1 + ENABLE_PLUGINS := 1 ++ENABLE_GHDL := 0 + ENABLE_READLINE := 1 + ENABLE_EDITLINE := 0 + ENABLE_VERIFIC := 0 +@@ -487,6 +489,14 @@ ifeq ($(ENABLE_PROTOBUF),1) + LDLIBS += $(shell pkg-config --cflags --libs protobuf) + endif + ++ifeq ($(ENABLE_GHDL),1) ++GHDL_DIR ?= /usr/local/ghdl ++GHDL_INCLUDE_DIR ?= $(GHDL_DIR)/include ++GHDL_LIB_DIR ?= $(GHDL_DIR)/lib ++CXXFLAGS += -I$(GHDL_INCLUDE_DIR) -DYOSYS_ENABLE_GHDL ++LDLIBS += $(GHDL_LIB_DIR)/libghdl.a $(shell cat $(GHDL_LIB_DIR)/libghdl.link) ++endif ++ + ifeq ($(ENABLE_COVER),1) + CXXFLAGS += -DYOSYS_ENABLE_COVER + endif |