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Diffstat (limited to 'scripts/py/gen_fpga_mem_map.py')
| -rw-r--r-- | scripts/py/gen_fpga_mem_map.py | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/scripts/py/gen_fpga_mem_map.py b/scripts/py/gen_fpga_mem_map.py deleted file mode 100644 index 5703a8d..0000000 --- a/scripts/py/gen_fpga_mem_map.py +++ /dev/null @@ -1,178 +0,0 @@ -# Copyright (c) 2021 Arm Limited. All rights reserved. -# SPDX-License-Identifier: Apache-2.0 -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -from argparse import ArgumentParser - -""" -This file is used as part of post build steps to generate 'images.txt' file -which can be copied over onto the MPS3 board's SD card. The purpose is to -limit having to manually edit the file based on different load regions that -the build scatter file might dictate. -""" - -def is_commented(line): - if (line.startswith(";")): - return True - else: - return False - - -def is_load_rom(line): - load_region_specifiers = ['LOAD_ROM', 'LD_ROM', 'LOAD_REGION'] - - for load_specifier in load_region_specifiers: - if line.startswith(load_specifier): - return True - - return False - - -class TargetSubsystem: - - def __init__(self, target_subsystem_name: str): - """ - Constructor for target class. - Arguments: - target_subsystem_name: name of the target subsystem - """ - # Dict with mem map and binary names we expect - self.subsystems = { - "sse-300": { - "mmap_mcc" : { - # FPGA addr | MCC addr | - "0x00000000": "0x00000000", # ITCM (NS) - "0x01000000": "0x02000000", # BRAM or FPGA's data SRAM (NS) - "0x60000000": "0x08000000", # DDR (NS) - "0x70000000": "0x0c000000" # DDR (S) - }, - "bin_names": { - 0: "itcm.bin", - 1: "dram.bin" - } - } - } - - self.name = target_subsystem_name - - - def is_supported(self, target_subsystem: str) -> bool: - """ - Checks if the target subsystem exists within systems - supported by this script - """ - if target_subsystem in self.subsystems.keys(): - return True - - print(f"Platforms supported: {self.subsystems.keys()}") - return False - - - def mps3_mappings(self) -> dict: - """ - Returns the FPGA <--> MCC address translations - as a dict - """ - if self.is_supported(self.name): - return self.subsystems[self.name]['mmap_mcc'] - return {} - - - def mps3_bin_names(self) -> dict: - """ - Returns expected binary names for the executable built - for Cortex-M55 or Cortex-M55+Ethos-U55 targets in the - form of a dict with index and name - """ - if self.is_supported(self.name): - return self.subsystems[self.name]['bin_names'] - - return {} - - -def main(args): - """ - Generates the output txt file with MCC to FPGA address mapping used - that is used by the MCC on FPGA to load executable regions into - correct regions in memory. - """ - # List out arguments used: - scatter_file_path = args.scatter_file_path - target_subsystem_name = args.target_subsystem - output_file_path = args.output_file_path - - target = TargetSubsystem(target_subsystem_name=target_subsystem_name) - - if target.is_supported(target_subsystem_name) != True: - print(f'Target {target_subsystem_name} not supported.') - return - - with open(scatter_file_path,'r') as scatter_file: - lines_read = scatter_file.readlines() - str_list = [] - - bin_names = None - mem_map = None - - mem_map = target.mps3_mappings() - bin_names = target.mps3_bin_names() - - str_list.append("TITLE: Arm MPS3 FPGA prototyping board Images Configuration File\n") - str_list.append("[IMAGES]\n\n") - - cnt = 0 - for line in lines_read: - if is_commented(line) or is_load_rom(line) != True: - continue - - addr = line.split()[1] - - if mem_map.get(addr, None) == None: - raise RuntimeError( - 'Translation for this address unavailable') - if cnt > len(bin_names): - raise RuntimeError( - f"bin names len exceeded: {cnt}") - - str_list.append("IMAGE" + str(cnt) + "ADDRESS: " + - mem_map[addr] + " ; MCC@" + mem_map[addr] + - " <=> FPGA@" + addr + "\n") - str_list.append("IMAGE" + str(cnt) + "UPDATE: AUTO\n") - str_list.append("IMAGE" + str(cnt) + "FILE: \SOFTWARE\\" + - bin_names[cnt] + "\n\n") - cnt += 1 - - if cnt > 0 and cnt < 33: - str_list.insert(2, - "TOTALIMAGES: {} ;Number of Images (Max: 32)\n\n".format( - cnt)) - else: - raise RuntimeError('Invalid image count') - - if os.path.exists(output_file_path): - os.remove(output_file_path) - print(''.join(str_list), file=open(output_file_path, "a")) - - -if __name__ == "__main__": - parser = ArgumentParser() - parser.add_argument("--scatter_file_path", type=str, required=True, - help="Path to the scatter file") - parser.add_argument("--target_subsystem", type=str, required=True, - help="Target subsystem in use") - parser.add_argument("--output_file_path", type=str, required=True, - help="Output file path") - args = parser.parse_args() - main(args) |