1
0
Fork 0
mirror of https://git.rwth-aachen.de/acs/public/villas/node/ synced 2025-03-09 00:00:00 +01:00
VILLASnode/tools/hwdef-parse.py
Niklas Eiling 16b6a21512 fpga: make hwdef-parse.py correctly detect interrupt on zynq designs
Signed-off-by: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
2025-01-24 10:32:57 +01:00

392 lines
13 KiB
Python
Executable file

#!/usr/bin/env python3
"""
HWH File Parser
Author: Steffen Vogel <post@steffenvogel.de>
Author: Daniel Krebs <github@daniel-krebs.net>
Author: Hatim Kanchwala <hatim@hatimak.me>
Author: Pascal Bauer <pascal.bauer@rwth-aachen.de>
Author: Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de
SPDX-FileCopyrightText: 2017-2022 Steffen Vogel <post@steffenvogel.de>
SPDX-FileCopyrightText: 2017-2022 Daniel Krebs <github@daniel-krebs.net>
SPDX-FileCopyrightText: 2017-2022 Hatim Kanchwala <hatim@hatimak.me>
SPDX-FileCopyrightText: 2023 Pascal Bauer <pascal.bauer@rwth-aachen.de>
SPDX-FileCopyrightText: 2024 Niklas Eiling <niklas.eiling@eonerc.rwth-aachen.de>
SPDX-License-Identifier: GPL-3.0-or-later
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
from multiprocessing.sharedctypes import Value
from lxml import etree
import zipfile
import sys
import re
import json
whitelist = [
["xilinx.com", "ip", "zynq_ultra_ps_e"],
["xilinx.com", "ip", "axi_timer"],
["xilinx.com", "ip", "axis_switch"],
["xilinx.com", "ip", "axi_fifo_mm_s"],
["xilinx.com", "ip", "axi_dma"],
["xilinx.com", "ip", "aurora_8b10b"],
["xilinx.com", "ip", "axi_gpio"],
["xilinx.com", "ip", "axi_bram_ctrl"],
["xilinx.com", "ip", "axi_pcie"],
["xilinx.com", "ip", "xdma"],
["xilinx.com", "ip", "axi_iic"],
["xilinx.com", "module_ref", "dinoif_fast"],
["xilinx.com", "module_ref", "dinoif_fast_nologic"],
["xilinx.com", "module_ref", "dinoif_adc"],
["xilinx.com", "module_ref", "dinoif_dac"],
["xilinx.com", "module_ref", "axi_pcie_intc"],
["xilinx.com", "module_ref", "registerif"],
["xilinx.com", "module_ref", "axi_read_cache"],
["xilinx.com", "hls", "rtds2gpu"],
["xilinx.com", "hls", "mem"],
["acs.eonerc.rwth-aachen.de", "user", "axi_pcie_intc"],
["acs.eonerc.rwth-aachen.de", "user", "rtds_axis"],
["acs.eonerc.rwth-aachen.de", "user", "aurora_axis"],
["acs.eonerc.rwth-aachen.de", "hls"],
["acs.eonerc.rwth-aachen.de", "sysgen"],
]
# List of VLNI ids of AXI4-Stream infrastructure IP cores which do not alter data
# see PG085 (AXI4-Stream Infrastructure IP Suite v2.2)
axi_converter_whitelist = [
["xilinx.com", "ip", "axis_subset_converter"],
["xilinx.com", "ip", "axis_clock_converter"],
["xilinx.com", "ip", "axis_register_slice"],
["xilinx.com", "ip", "axis_dwidth_converter"],
["xilinx.com", "ip", "axis_register_slice"],
["xilinx.com", "ip", "axis_data_fifo"],
["xilinx.com", "ip", "floating_point"],
["xilinx.com", "module_ref", "prepend_seqnum"],
]
opponent = {
"MASTER": ("SLAVE", "TARGET"),
"SLAVE": ("MASTER", "INITIATOR"),
"INITIATOR": ("TARGET", "SLAVE"),
"TARGET": ("INITIATOR", "MASTER"),
}
def bus_trace(root, busname, type, whitelist):
module = root.xpath(
'.//MODULE[.//BUSINTERFACE[@BUSNAME="{}" and (@TYPE="{}" or @TYPE="{}")]]'.format(
busname, type[0], type[1]
)
)
vlnv = module[0].get("VLNV")
instance = module[0].get("INSTANCE")
if vlnv_match(vlnv, whitelist):
return instance, busname
elif vlnv_match(vlnv, axi_converter_whitelist):
next_bus = module[0].xpath(
'.//BUSINTERFACE[@TYPE="{}" or @TYPE="{}"]'.format(
opponent[type[0]][0], opponent[type[0]][1]
)
)
next_busname = next_bus[0].get("BUSNAME")
return bus_trace(root, next_busname, type, whitelist)
else:
raise TypeError("Unsupported AXI4-Stream IP core: %s (%s)" % (instance, vlnv))
def vlnv_match(vlnv, whitelist):
c = vlnv.split(":")
for w in whitelist:
if c[: len(w)] == w:
return True
return False
def remove_prefix(text, prefix):
return text[text.startswith(prefix) and len(prefix) :]
def sanitize_name(name):
name = remove_prefix(name, "S_")
name = remove_prefix(name, "M_")
name = remove_prefix(name, "AXI_")
name = remove_prefix(name, "AXIS_")
return name
if len(sys.argv) < 2:
print("Usage: {} path/to/*.hwdef".format(sys.argv[0]))
print(" {} path/to/*.hwh".format(sys.argv[0]))
sys.exit(1)
try:
# read .hwdef which is actually a zip-file
zip = zipfile.ZipFile(sys.argv[1], "r")
hwh = zip.read("top.hwh")
except:
f = open(sys.argv[1], "r")
hwh = f.read()
# parse .hwh file which is actually XML
try:
root = etree.XML(hwh)
except:
print('Bad format of "{}"! Did you choose the right file?'.format(sys.argv[1]))
sys.exit(1)
ips = {}
# find all whitelisted modules
modules = root.find(".//MODULES")
for module in modules:
instance = module.get("INSTANCE")
vlnv = module.get("VLNV")
# Ignroing unkown
if not vlnv_match(vlnv, whitelist):
continue
ips[instance] = {"vlnv": vlnv}
# populate parameters
params = module.find(".//PARAMETERS")
if (
params is not None and instance != "zynq_ultra_ps_e_0"
): #! Parameters of "zynq" ignored
p = ips[instance].setdefault("parameters", {})
for param in params:
name = param.get("NAME").lower()
value = param.get("VALUE")
try:
value = int(value, 0)
except ValueError:
pass
except TypeError:
pass
p[name] = value
# populate memory view
mmap = module.find(".//MEMORYMAP")
if mmap is None:
continue
mem = ips[instance].setdefault("memory-view", {})
for mrange in mmap:
mem_interface = mrange.get("MASTERBUSINTERFACE")
mem_instance = mrange.get("INSTANCE")
mem_block = mrange.get("ADDRESSBLOCK")
_interface = mem.setdefault(mem_interface, {})
_instance = _interface.setdefault(mem_instance, {})
_block = _instance.setdefault(mem_block, {})
_block["baseaddr"] = int(mrange.get("BASEVALUE"), 16)
_block["highaddr"] = int(mrange.get("HIGHVALUE"), 16)
_block["size"] = _block["highaddr"] - _block["baseaddr"] + 1
# find AXI-Stream switch port mapping
switch = root.find('.//MODULE[@MODTYPE="axis_switch"]')
busifs = switch.find(".//BUSINTERFACES")
switch_ports = 0
for busif in busifs:
if busif.get("VLNV") != "xilinx.com:interface:axis:1.0":
continue
switch_ports += 1
busname = busif.get("BUSNAME")
name = busif.get("NAME")
type = busif.get("TYPE")
r = re.compile("(M|S)([0-9]+)_AXIS")
m = r.search(name)
port = int(m.group(2))
switch_ip_ports = ips[switch.get("INSTANCE")].setdefault("ports", [])
ep, busname_ep = bus_trace(root, busname, opponent[type], whitelist)
if ep in ips:
ports = ips[ep].setdefault("ports", [])
ports.append(
{
"role": opponent[type][0].lower(),
"target": "{}:{}".format(switch.get("INSTANCE"), name),
}
)
module_ep = root.find('.//MODULE[@INSTANCE="{}"]'.format(ep))
busif_ep = module_ep.find('.//BUSINTERFACE[@BUSNAME="{}"]'.format(busname_ep))
if busif_ep is None:
print("cannot find businterface: {}".format(busname_ep))
sys.exit(1)
busif_name = ports[-1]["name"] = sanitize_name(busif_ep.get("NAME"))
ports[-1]["name"] = busif_name
switch_ip_ports.append(
{
"role": type.lower(),
"target": "{}:{}".format(ep, busif_name),
"name": name,
}
)
# set number of master/slave port pairs for switch
ips[switch.get("INSTANCE")]["num_ports"] = int(switch_ports / 2)
# find interrupt assignments
# find interrupt assignments
intr_controllers = []
intr_signals = []
intc_pcie = root.findall('.//MODULE[@MODTYPE="axi_pcie_intc"]')
intc_zynq = root.findall('.//MODULE[@MODTYPE="zynq_ultra_ps_e"]')
intr_controllers += intc_pcie
for intc in intc_pcie:
intr_signals.append(intc.xpath('.//PORT[@NAME="intr" and @DIR="I"]')[0].get("SIGNAME"))
intr_controllers += intc_zynq
for intc in intc_zynq:
intr_signals.append(intc.xpath('.//PORT[@NAME="pl_ps_irq0" and @DIR="I"]')[0].get("SIGNAME"))
for intc, intr in zip(intr_controllers, intr_signals):
concat = root.xpath('.//MODULE[@MODTYPE="xlconcat" and .//PORT[@SIGNAME="{}" and @DIR="O"]]'.format(intr))[0]
ports = concat.xpath('.//PORT[@DIR="I"]')
for port in ports:
name = port.get("NAME")
signame = port.get("SIGNAME")
# Skip unconnected IRQs
if not signame:
continue
r = re.compile("In([0-9+])")
m = r.search(name)
irq = int(m.group(1))
ip = root.xpath(
'.//MODULE[.//PORT[@SIGNAME="{}" and @DIR="O"]]'.format(signame)
)[0]
instance = ip.get("INSTANCE")
vlnv = ip.get("VLNV")
modtype = ip.get("MODTYPE")
originators = []
# follow one level of OR gates merging interrupts (may be generalized later)
if modtype == "util_vector_logic":
logic_op = ip.xpath('.//PARAMETER[@NAME="C_OPERATION"]')[0]
if logic_op.get("VALUE") == "or":
# hardware interrupts sharing the same IRQ at the controller
ports = ip.xpath('.//PORT[@DIR="I"]')
for port in ports:
signame = port.get("SIGNAME")
ip = root.xpath(
'.//MODULE[.//PORT[@SIGNAME="{}" and @DIR="O"]]'.format(signame)
)[0]
instance = ip.get("INSTANCE")
originators.append((instance, signame))
else:
# consider this instance as originator
originators.append((instance, signame))
for instance, signame in originators:
ip = root.xpath(
'.//MODULE[.//PORT[@SIGNAME="{}" and @DIR="O"]]'.format(signame)
)[0]
port = ip.xpath('.//PORT[@SIGNAME="{}" and @DIR="O"]'.format(signame))[0]
irqname = port.get("NAME")
if instance in ips:
irqs = ips[instance].setdefault("irqs", {})
irqs[irqname] = "{}:{}".format(intc.get("INSTANCE"), irq)
# Find BRAM storage depths (size)
brams = root.xpath('.//MODULE[@MODTYPE="axi_bram_ctrl"]')
for bram in brams:
instance = bram.get("INSTANCE")
width = bram.find('.//PARAMETER[@NAME="DATA_WIDTH"]').get("VALUE")
depth = bram.find('.//PARAMETER[@NAME="MEM_DEPTH"]').get("VALUE")
size = int(width) * int(depth) / 8
if instance in ips:
ips[instance]["size"] = int(size)
pcies = root.xpath('.//MODULE[@MODTYPE="axi_pcie" or @MODTYPE="xdma"]')
for pcie in pcies:
instance = pcie.get("INSTANCE")
axi_bars = ips[instance].setdefault("axi_bars", {})
pcie_bars = ips[instance].setdefault("pcie_bars", {})
for from_bar, to_bar, from_bars in (
("AXIBAR", "PCIEBAR", axi_bars),
("PCIEBAR", "AXIBAR", pcie_bars),
):
barnum = pcie.find('.//PARAMETER[@NAME="C_{}_NUM"]'.format(from_bar))
if barnum == None:
barnum = pcie.find('.//PARAMETER[@NAME="{}_NUM"]'.format(from_bar))
from_bar_num = int(
barnum.get("VALUE")
)
for i in range(0, from_bar_num):
from_bar_to_bar_offset = int(
pcie.find(
'.//PARAMETER[@NAME="C_{}2{}_{}"]'.format(from_bar, to_bar, i)
).get("VALUE"),
16,
)
from_bars["BAR{}".format(i)] = {"translation": from_bar_to_bar_offset}
if from_bar == "AXIBAR":
axi_bar_lo = int(
pcie.find('.//PARAMETER[@NAME="C_{}_{}"]'.format(from_bar, i)).get(
"VALUE"
),
16,
)
axi_bar_hi = int(
pcie.find(
'.//PARAMETER[@NAME="C_{}_HIGHADDR_{}"]'.format(from_bar, i)
).get("VALUE"),
16,
)
axi_bar_size = axi_bar_hi - axi_bar_lo + 1
axi_bar = from_bars["BAR{}".format(i)]
axi_bar["baseaddr"] = axi_bar_lo
axi_bar["highaddr"] = axi_bar_hi
axi_bar["size"] = axi_bar_size
print(json.dumps(ips, indent=2))