Make some common lib memory sizes. Update Makefile to auto build and char them all.

lib/freepdk45/Makefile

@@ -0,0 +1,28 @@
+CUR_DIR = $(shell pwd)
+TEST_DIR = ${CUR_DIR}/tests
+
+MAKEFLAGS += -j 2
+
+CONFIG_DIR = configs
+OUT_DIRS = sp lib lef gds 
+$(shell   mkdir -p $(OUT_DIRS))
+
+SRCS=$(wildcard $(CONFIG_DIR)/*.py)
+SPICES=$(SRCS:.py=.sp)
+all : $(SPICES) 
+
+%.sp : %.py
+	openram.py -c $<
+	mv ($basename $<).lef lef
+	mv ($basename $<).sp sp
+	mv ($basename $<).gds gds
+	mv ($basename $<)\*.lib lib
+
+clean:
+	find . -name \*.pyc -exec rm {} \;
+	find . -name \*~ -exec rm {} \;
+	find . -name \*.lef -exec rm {} \;
+	find . -name \*.lib -exec rm {} \;
+	find . -name \*.sp -exec rm {} \;
+	find . -name \*.gds -exec rm {} \;
+

lib/freepdk45/configs/sram_1rw_128b_1024w_1bank_freepdk45.py

@@ -0,0 +1,5 @@
+word_size = 128
+num_words = 1024
+num_banks = 1
+
+tech_name = "freepdk45"

lib/freepdk45/configs/sram_1rw_32b_1024w_1bank_freepdk45.py

@@ -3,7 +3,3 @@ num_words = 1024
 num_banks = 1
 
 tech_name = "freepdk45"
-
-output_path = "sram_1rw_32b_1k_freepdk45"
-
-

lib/freepdk45/configs/sram_1rw_32b_2048w_1bank_freepdk45.py

@@ -0,0 +1,5 @@
+word_size = 32
+num_words = 2048
+num_banks = 1
+
+tech_name = "freepdk45"

lib/freepdk45/configs/sram_1rw_8b_1024w_4bank_freepdk45.py

@@ -0,0 +1,5 @@
+word_size = 8
+num_words = 1024
+num_banks = 4
+
+tech_name = "freepdk45"

lib/freepdk45/configs/sram_1rw_8b_256w_1bank_freepdk45.py

@@ -0,0 +1,5 @@
+word_size = 8
+num_words = 256
+num_banks = 1
+
+tech_name = "freepdk45"

lib/freepdk45/configs/sram_1rw_8b_512w_4bank_freepdk45.py

@@ -0,0 +1,5 @@
+word_size = 8
+num_words = 512
+num_banks = 4
+
+tech_name = "freepdk45"