From 6197a9353620e4458a1417365dcf7a152772241b Mon Sep 17 00:00:00 2001
From: John McMaster <johndmcmaster@gmail.com>
Date: Tue, 11 Sep 2018 17:32:50 -0700
Subject: [PATCH] timfuz: picorv32 project

Signed-off-by: John McMaster <johndmcmaster@gmail.com>
---
 .../007-timing/projects/oneblinkw/README.md   |  2 +
 fuzzers/007-timing/projects/picorv32/Makefile |  2 +
 .../007-timing/projects/picorv32/README.md    |  3 ++
 .../007-timing/projects/picorv32/generate.sh  |  8 ++++
 .../007-timing/projects/picorv32/generate.tcl | 48 +++++++++++++++++++
 5 files changed, 63 insertions(+)
 create mode 100644 fuzzers/007-timing/projects/oneblinkw/README.md
 create mode 100644 fuzzers/007-timing/projects/picorv32/Makefile
 create mode 100644 fuzzers/007-timing/projects/picorv32/README.md
 create mode 100755 fuzzers/007-timing/projects/picorv32/generate.sh
 create mode 100644 fuzzers/007-timing/projects/picorv32/generate.tcl

diff --git a/fuzzers/007-timing/projects/oneblinkw/README.md b/fuzzers/007-timing/projects/oneblinkw/README.md
new file mode 100644
index 00000000..ae7cac37
--- /dev/null
+++ b/fuzzers/007-timing/projects/oneblinkw/README.md
@@ -0,0 +1,2 @@
+Minimal, simple test
+
diff --git a/fuzzers/007-timing/projects/picorv32/Makefile b/fuzzers/007-timing/projects/picorv32/Makefile
new file mode 100644
index 00000000..9c8b1947
--- /dev/null
+++ b/fuzzers/007-timing/projects/picorv32/Makefile
@@ -0,0 +1,2 @@
+include ../project.mk
+
diff --git a/fuzzers/007-timing/projects/picorv32/README.md b/fuzzers/007-timing/projects/picorv32/README.md
new file mode 100644
index 00000000..0be27709
--- /dev/null
+++ b/fuzzers/007-timing/projects/picorv32/README.md
@@ -0,0 +1,3 @@
+picorv32 uses more advanced structures than simple LUT/FF tests (such as carry chain)
+It attempts to provide some realistic timing data wrt fanout and used fabric
+
diff --git a/fuzzers/007-timing/projects/picorv32/generate.sh b/fuzzers/007-timing/projects/picorv32/generate.sh
new file mode 100755
index 00000000..0ba2a7fc
--- /dev/null
+++ b/fuzzers/007-timing/projects/picorv32/generate.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -ex
+source ../generate.sh
+
+vivado -mode batch -source ../generate.tcl
+timing_txt2csv
+
diff --git a/fuzzers/007-timing/projects/picorv32/generate.tcl b/fuzzers/007-timing/projects/picorv32/generate.tcl
new file mode 100644
index 00000000..a928a3bd
--- /dev/null
+++ b/fuzzers/007-timing/projects/picorv32/generate.tcl
@@ -0,0 +1,48 @@
+source ../../../../../utils/utils.tcl
+source ../../project.tcl
+
+proc build_design {} {
+    create_project -force -part $::env(XRAY_PART) design design
+    read_verilog ../../../src/picorv32.v
+    read_verilog ../top.v
+    synth_design -top top
+
+    puts "Locking pins"
+    set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \
+		[get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical]
+
+    puts "Package stuff"
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk]
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb]
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di]
+    set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do]
+
+    puts "pblocking"
+    create_pblock roi
+    set roipb [get_pblocks roi]
+    set_property EXCLUDE_PLACEMENT 1 $roipb
+    add_cells_to_pblock $roipb [get_cells roi]
+    resize_pblock $roipb -add "$::env(XRAY_ROI)"
+
+    puts "randplace"
+    randplace_pblock 50 roi
+
+    set_property CFGBVS VCCO [current_design]
+    set_property CONFIG_VOLTAGE 3.3 [current_design]
+    set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design]
+
+    puts "dedicated route"
+    set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF]
+
+    place_design
+    route_design
+
+    write_checkpoint -force design.dcp
+    # disable combinitorial loop
+    # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}]
+    #write_bitstream -force design.bit
+}
+
+build_design
+write_info3
+