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125 lines
4.9 KiB
125 lines
4.9 KiB
# Copyright (c) 2006-2022, RT-Thread Development Team
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Change Logs:
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# Date Author Notes
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# 2021-10-11 Meco Man First version
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# STM32 startup assembly language file:
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# 1.replace main to entry (GCC)
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# 2.reduce the heap size as 0x000 (Keil IAR)
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# 3.extend the GCC stack size as 0x400, which is the same as Keil and IAR startup files.
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import os
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import re
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# replace 'bl main' to 'bl entry'
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def stm32update_main2entry(path):
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oldline = ''
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newline = ''
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for root, dirs, files in os.walk(path):
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for file in files:
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if os.path.splitext(file)[1] == '.s': # find .s files (Keil MDK)
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file_path = os.path.join(root,file)
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flag_need_replace = False
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with open(file_path,'r+',) as f:
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while True:
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line = f.readline()
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if line == '':
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break
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elif ('bl' in line) and ('main' in line): # find 'bl main'
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oldline = line # bl main
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newline = line.replace('main', 'entry') # use 'entry' to replace 'main'
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flag_need_replace = True # mark that need to be replaced
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break
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if (flag_need_replace == True): # use 'entry' to replace 'main'
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f.seek(0)
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content = f.read()
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f.seek(0)
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f.truncate()
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newcontent = content.replace(oldline, newline)
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f.write(newcontent)
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#reduce the heap size as 0x000
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def stm32update_heap2zero(path):
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oldline = ''
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newline = ''
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for root, dirs, files in os.walk(path):
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for file in files:
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file_path = os.path.join(root,file)
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if os.path.splitext(file)[1] == '.s': # find .s files (Keil MDK)
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with open(file_path,'r+',) as f:
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flag_need_replace = False
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while True:
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line = f.readline()
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if line == '':
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break
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re_result = re.match('\s*Heap_Size\s+EQU\s+0[xX][0-9a-fA-F]+', line)
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if re_result != None:
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oldline = line
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newline = re.sub('0[xX][0-9a-fA-F]+','0x00000000', oldline)
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flag_need_replace = True
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break
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if flag_need_replace == True:
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f.seek(0)
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content = f.read()
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f.seek(0)
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f.truncate()
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newcontent = content.replace(oldline, newline)
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f.write(newcontent)
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elif os.path.splitext(file)[1] == '.icf': # find .icf files (IAR)
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with open(file_path,'r+',) as f:
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flag_need_replace = False
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while True:
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line = f.readline()
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if line == '':
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break
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re_result = re.match('\s*define\s+symbol\s+__ICFEDIT_size_heap__\s*=\s*0[xX][0-9a-fA-F]+', line)
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if re_result != None:
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oldline = line
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newline = re.sub('0[xX][0-9a-fA-F]+','0x000', oldline)
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flag_need_replace = True
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break
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if flag_need_replace == True:
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f.seek(0)
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content = f.read()
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f.seek(0)
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f.truncate()
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newcontent = content.replace(oldline, newline)
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f.write(newcontent)
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elif os.path.splitext(file)[1] == '.lds': # find .lds files (GCC)
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with open(file_path,'r+',) as f:
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flag_need_replace = False
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while True:
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line = f.readline()
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if line == '':
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break
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re_result = re.match('\s*_system_stack_size\s*=\s*0[xX][0-9a-fA-F]+', line)
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if re_result != None:
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oldline = line
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newline = re.sub('0[xX][0-9a-fA-F]+','0x400', oldline)
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flag_need_replace = True
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break
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if flag_need_replace == True:
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f.seek(0)
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content = f.read()
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f.seek(0)
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f.truncate()
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newcontent = content.replace(oldline, newline)
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f.write(newcontent)
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def stm32_update(path):
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stm32update_main2entry(path)
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stm32update_heap2zero(path)
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