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sysreg.py: Add sysreg_parse() function

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2021-05-22 01:07:01 +09:00
parent 09cdebf08b
commit 7bdff8ad10
1 changed files with 16 additions and 1 deletions
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17
proxyclient/sysreg.py
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@ -1,6 +1,6 @@
#!/usr/bin/env python3
# SPDX-License-Identifier: MIT
import json, os
import json, os, re
from enum import IntEnum
from utils import Register64, Register32
@ -19,6 +19,21 @@ def sysreg_name(enc):
return sysreg_rev[enc]
return f"s{enc[0]}_{enc[1]}_c{enc[2]}_c{enc[3]}_{enc[4]}"
def sysreg_parse(s):
if isinstance(s, tuple) or isinstance(s, list):
return tuple(s)
s = s.strip()
for r in (r"s(\d+)_(\d+)_c(\d+)_c(\d+)_(\d+)", r"(\d+), *(\d+), *(\d+), *(\d+), *(\d+)"):
if m := re.match(r, s):
enc = tuple(map(int, m.groups()))
break
else:
try:
enc = sysreg_fwd[s]
except KeyError:
raise Exception(f"Unknown sysreg name {s}")
return enc
class ESR_EC(IntEnum):
UNKNOWN = 0b000000
WFI = 0b000001