mirror of https://github.com/efabless/caravel.git
88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
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import re
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import sys
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from tokenize import group
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from unittest.util import _MIN_COMMON_LEN
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import string
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import cocotb
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import os
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class Regs:
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def __init__(self):
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pass
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def get_addr(self,reg):
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search1 = self.get_add_defs(reg)
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# if all(c in string.hexdigits for c in search1[2:]):
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return int(search1,16)
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# return hex(self.get_hexa(search1))
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"""get address from defs.h"""
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def get_add_defs(self,reg):
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pattern = re.compile(rf'#define {reg}\s*\(\*\(volatile uint32_t\*\)\s*(.*)\s*\)')
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with open(f'{os.getenv("FIRMWARE_PATH")}/defs.h') as f:
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for line in f:
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m= re.search(pattern,line)
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if m:
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break
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if m:
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if not all(c in string.hexdigits for c in m.group(1)):
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return hex(self.get_hexa(m.group(1)))
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else:
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return m.group(1)
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else:
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cocotb.log.info(f" [defsParser] can't find {reg} inside defs")
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sys.exit()
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"""get address from defs.h"""
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def get_add_csr(self,reg):
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pattern1 = re.compile(rf'#define {reg}\s*\(\*\(volatile uint32_t\*\)\s*(.*)\s*\)')
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pattern2 = re.compile(rf'#define {reg}\s*(.*)')
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m = False
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with open(f'{os.getenv("FIRMWARE_PATH")}/../generated/csr.h') as f:
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for line in f:
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m1= re.search(pattern1,line)
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m2= re.search(pattern2,line)
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if m1:
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m = m1
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break
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if m2:
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m=m2
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break
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if m:
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matched_str= m.group(1)
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if matched_str[-1] == "L" and matched_str[-2].isnumeric:
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matched_str = matched_str[:-1]
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if not all(c in string.hexdigits for c in matched_str[2:]):
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matched_str= hex(self.get_hexa(matched_str))
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return matched_str
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else:
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cocotb.log.info(f" [defsParser] can't find {reg} inside csr")
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sys.exit()
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def get_hexa(self,s:string):
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pattern2 = re.compile(r'\((.*)\s*\+\s*(.*)\)')
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search_match = re.search(pattern2,s)
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if search_match :
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matches = [search_match.group(1),search_match.group(2)]
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else:
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matches = [s]
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nothex = 1
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while nothex:
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nothex = 0
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for i,match in enumerate(matches):
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if not all(c in string.hexdigits for c in match[2:-1]):
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matches[i]=self.get_add_csr(match)
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nothex = 0
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else:
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if match[-1] == "L" and match[-2].isnumeric:
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matches[i]=matches[i][:-1]
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if len(matches) ==2:
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return int(matches[0],16) + int(matches[1],16)
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else:
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return int(matches[0],16)
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