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These tools run on the target board and genearate board information. usage: python3 board_parser.py <board_name> [--out board_info_file] sample: $ sudo python3 board_parser.py apl-up2 v1-v2: 1. allow board parameter for new board v2-v3: 1. add the usage descriptions for tools 2. add description of kernel cmd line for README 3. output informations to a xml type 4. coding as PEP8 guildline Tracked-On: #3480 Signed-off-by: Wei Liu <weix.w.liu@intel.com> Reviewed-by: Shuang Zheng shuang.zheng@intel.com Acked-by: Terry Zou <terry.zou@intel.com> Acked-by: Victor Sun <victor.sun@intel.com>
82 lines
1.9 KiB
Python
82 lines
1.9 KiB
Python
# Copyright (C) 2019 Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import parser_lib
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CACHE_TYPE = {
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"L2":4,
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"L3":2
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}
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def execute(cmd, reg):
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"""Execute the cmd"""
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cache_t = ''
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res = parser_lib.cmd_excute(cmd)
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if reg == "ebx":
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idx = 3
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if reg == "edx":
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idx = 5
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while True:
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line = parser_lib.decode_stdout(res)
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if not line:
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break
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if len(line.split()) <= 2:
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continue
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reg_value = line.split()[idx].split('=')[1]
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if reg == "ebx":
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if int(reg_value, 16) & CACHE_TYPE['L2'] != 0:
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cache_t = "L2"
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break
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elif int(reg_value, 16) & CACHE_TYPE['L3'] != 0:
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cache_t = "L3"
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break
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else:
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cache_t = False
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break
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elif reg == "edx":
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cache_t = int(reg_value, 16) + 1
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break
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return cache_t
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def get_clos_info():
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"""Get clos max and clos cache type"""
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clos_max = 0
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clos_cache = False
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cmd = "cpuid -r -l 0x10"
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clos_cache = execute(cmd, "ebx")
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if clos_cache == "L2":
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cmd = "cpuid -r -l 0x10 --subleaf 2"
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elif clos_cache == "L3":
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cmd = "cpuid -r -l 0x10 --subleaf 1"
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else:
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clos_max = 0
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parser_lib.print_yel("CLOS is not supported!")
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return (clos_cache, clos_max)
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clos_max = execute(cmd, "edx")
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return (clos_cache, clos_max)
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def generate_info(board_info):
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"""Generate clos information"""
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(clos_cache, clos_max) = get_clos_info()
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with open(board_info, 'a+') as board_fp:
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print("\t<CLOS_INFO>", file=board_fp)
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print("\tclos supported by cache:{}".format(clos_cache), file=board_fp)
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print("\tclos max:{}".format(clos_max), file=board_fp)
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print("\t</CLOS_INFO>\n", file=board_fp)
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