Revised the build system so that all packages that are to be automatically
downloaded and installed are done during "make" instead of during
"configure". This includes moving URLs into the Makefile, moving actions
like untarring into the download script, and replacing the "information"
file for the PDK with a custom download script.
diff --git a/sky130/Makefile.in b/sky130/Makefile.in
index f822cc8..f0bb291 100644
--- a/sky130/Makefile.in
+++ b/sky130/Makefile.in
@@ -160,13 +160,19 @@
# Path to skywater_pdk
SKYWATER_PATH = @SKY130_SOURCE_PATH@
ifneq ($(SKYWATER_PATH),)
- SKYWATER_PATH := $(SKYWATER_PATH)/libraries
+ SKYWATER_LIBS_PATH = ${SKYWATER_PATH}/libraries
+else
+ SKYWATER_LIBS_PATH =
endif
# Path to independent library sources (to be added to configuration options).
ALPHA_PATH = @SKY130_ML_XX_HD_PATH@
XSCHEM_PATH = @XSCHEM_SKY130_PATH@
+PDK_URL = https://github.com/google/skywater-pdk
+ALPHA_URL = https://github.com/PaulSchulz/sky130_pshulz_xx_hd/archive/master.tar.gz
+XSCHEM_URL = https://github.com/StefanSchippers/xschem_sky130/archive/main.tar.gz
+
# NOTE: Install destination is the git repository of the technology platform.
# Once updated in git, the git project can be distributed to all hosts.
#
@@ -316,7 +322,40 @@
all: all-a
-all-a:
+# Handle prerequisites (fetch and install the PDK and requested libraries)
+prerequisites: pdk-repo alpha-repo xschem-repo
+
+pdk-repo:
+ if test "x${SKYWATER_PATH}" != "x" ; then \
+ if test -d "${SKYWATER_PATH}" ; then \
+ echo "Using existing installation of SkyWater PDK from ${SKYWATER_PATH}" ; \
+ else \
+ echo "Downloading SkyWater PDK from ${PDK_URL}" ; \
+ custom/scripts/pdk_download.sh ${PDK_URL} ${SKYWATER_PATH} ; \
+ fi ; \
+ fi
+
+alpha-repo:
+ if test "x${ALPHA_PATH}" != "x" ; then \
+ if test -d "${ALPHA_PATH}" ; then \
+ echo "Using existing installation of alphanumeric library from ${ALPHA_PATH}" ; \
+ else \
+ echo "Downloading alphanumeric library from ${ALPHA_URL}" ; \
+ ../scripts/download.sh ${ALPHA_URL} ${ALPHA_PATH} ; \
+ fi ; \
+ fi
+
+xschem-repo:
+ if test "x${XSCHEM_PATH}" != "x" ; then \
+ if test -d "${XSCHEM_PATH}" ; then \
+ echo "Using existing installation of xschem setup from ${XSCHEM_PATH}" ; \
+ else \
+ echo "Downloading xschem setup from ${XSCHEM_URL}" ; \
+ ../scripts/download.sh ${XSCHEM_URL} ${XSCHEM_PATH} ; \
+ fi ; \
+ fi
+
+all-a: prerequisites
echo "Starting sky130A PDK staging on "`date` > ${SKY130A}_install.log
${MAKE} tools-a
${MAKE} vendor-a
@@ -498,12 +537,12 @@
vendor-a:
# Modify the LEF files to update hs and ms libraries
# Install device subcircuits from vendor files
- ${STAGE} -source ${SKYWATER_PATH} -target ${STAGING_PATH}/${SKY130A} \
+ ${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
-ngspice sky130_fd_pr/latest/models/* \
filter=custom/scripts/rename_models.py \
|& tee -a ${SKY130A}_install.log
# Install base device library from vendor files
- ${STAGE} -source ${SKYWATER_PATH} -target ${STAGING_PATH}/${SKY130A} \
+ ${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
-gds %l/latest/cells/*/*.gds compile-only \
-cdl %l/latest/cells/*/*.cdl compile-only \
-lef %l/latest/cells/*/*.magic.lef compile-only \
@@ -524,7 +563,7 @@
-lef %l/lef/*.lef compile-only rename=sky130_ef_io \
-library general sky130_fd_io |& tee -a ${SKY130A}_install.log
# Install SkyWater I/O pad library
- ${STAGE} -source ${SKYWATER_PATH} -target ${STAGING_PATH}/${SKY130A} \
+ ${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
-spice %l/latest/cells/*/*.spice compile-only \
sort=custom/scripts/sort_pdkfiles.py \
-cdl %l/latest/cells/*/*.cdl ignore=topography compile-only \
@@ -555,7 +594,7 @@
${ADDPROP} ${STAGING_PATH}/${SKY130A} sky130_fd_io sky130_fd_io__top_gpiov2 \
"MASKHINTS_HVI 1346 17198 5828 19224 13700 1890 15920 2360 24 17522 1778 20612" -mag
# Install all SkyWater digital standard cells.
- ${STAGE} -source ${SKYWATER_PATH} -target ${STAGING_PATH}/${SKY130A} \
+ ${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
-techlef %l/latest/tech/*.tlef \
-spice %l/latest/cells/*/*.spice compile-only \
sort=custom/scripts/sort_pdkfiles.py \
@@ -610,7 +649,7 @@
cp custom/scripts/text2mag.py \
${STAGING_PATH}/${SKY130A}/libs.ref/sky130_ml_xx_hd/scripts
# Install OSU digital standard cells.
- ${STAGE} -source ${SKYWATER_PATH} -target ${STAGING_PATH}/${SKY130A} \
+ ${STAGE} -source ${SKYWATER_LIBS_PATH} -target ${STAGING_PATH}/${SKY130A} \
-techlef %l/latest/lef/sky130_osu_sc.tlef rename=sky130_osu_sc_t18.tlef \
-cdl %l/latest/cdl/*.cdl ignore=topography compile-only \
-lef %l/latest/lef/*.lef compile-only \
@@ -656,3 +695,4 @@
veryclean-a: clean-a
${RM} ${SKY130A}_install.log
${RM} ${SKY130A}_migrate.log
+
diff --git a/sky130/custom/scripts/pdk_download.sh b/sky130/custom/scripts/pdk_download.sh
new file mode 100755
index 0000000..70f9ae0
--- /dev/null
+++ b/sky130/custom/scripts/pdk_download.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+#
+# pdk_download.sh --
+#
+# Download and install a PDK from git
+# (mainly for use with the Google/SkyWater SKY130 PDK)
+#
+# Usage: pdk_download.sh <url> <destination>
+#
+
+pdir=`dirname $2`
+mkdir -p $pdir
+cd $pdir
+
+# Clone repository
+
+echo "Cloning PDK repository"
+git clone $1 $2
+
+# Get submodules
+
+echo "Getting PDK library submodules"
+cd $2
+for i in $(git submodule | grep /latest | awk '{print $2}'); do
+ git submodule init $i
+done
+git submodule update
+
+# Generate liberty files
+
+echo "Building liberty timing files"
+make timing
diff --git a/sky130/pdk_info.txt b/sky130/pdk_info.txt
deleted file mode 100644
index ee872cd..0000000
--- a/sky130/pdk_info.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-https://github.com/google/skywater-pdk
-
-# Post Clone Commands
-for i in $(git submodule | grep /latest | awk '{print $2}'); do
- git submodule init $i
-done
-
-git submodule update
-
-make timing
\ No newline at end of file
