310 lines
8.9 KiB
Python
310 lines
8.9 KiB
Python
CopyRight = '''
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/*
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* Copyright 2015 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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'''
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import sys
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import re
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class StringTable:
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"""
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A class for collecting multiple strings in a single larger string that is
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used by indexing (to avoid relocations in the resulting binary)
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"""
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def __init__(self):
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self.table = []
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self.length = 0
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def add(self, string):
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# We might get lucky with string being a suffix of a previously added string
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for te in self.table:
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if te[0].endswith(string):
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idx = te[1] + len(te[0]) - len(string)
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te[2].add(idx)
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return idx
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idx = self.length
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self.table.append((string, idx, set((idx,))))
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self.length += len(string) + 1
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return idx
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def emit(self, filp, name, static=True):
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"""
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Write
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[static] const char name[] = "...";
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to filp.
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"""
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fragments = [
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'"%s\\0" /* %s */' % (
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te[0].encode('unicode_escape').decode(),
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', '.join(str(idx) for idx in te[2])
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)
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for te in self.table
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]
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filp.write('%sconst char %s[] =\n%s;\n' % (
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'static ' if static else '',
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name,
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'\n'.join('\t' + fragment for fragment in fragments)
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))
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class IntTable:
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"""
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A class for collecting multiple arrays of integers in a single big array
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that is used by indexing (to avoid relocations in the resulting binary)
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"""
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def __init__(self, typename):
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self.typename = typename
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self.table = []
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self.idxs = set()
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def add(self, array):
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# We might get lucky and find the array somewhere in the existing data
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try:
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idx = 0
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while True:
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idx = self.table.index(array[0], idx, len(self.table) - len(array) + 1)
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for i in range(1, len(array)):
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if array[i] != self.table[idx + i]:
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break
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else:
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self.idxs.add(idx)
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return idx
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idx += 1
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except ValueError:
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pass
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idx = len(self.table)
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self.table += array
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self.idxs.add(idx)
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return idx
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def emit(self, filp, name, static=True):
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"""
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Write
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[static] const typename name[] = { ... };
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to filp.
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"""
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idxs = sorted(self.idxs) + [len(self.table)]
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fragments = [
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('\t/* %s */ %s' % (
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idxs[i],
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' '.join((str(elt) + ',') for elt in self.table[idxs[i]:idxs[i+1]])
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))
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for i in range(len(idxs) - 1)
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]
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filp.write('%sconst %s %s[] = {\n%s\n};\n' % (
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'static ' if static else '',
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self.typename, name,
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'\n'.join(fragments)
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))
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class Field:
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def __init__(self, reg, s_name):
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self.s_name = s_name
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self.name = strip_prefix(s_name)
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self.values = []
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self.varname_values = '%s__%s__values' % (reg.r_name.lower(), self.name.lower())
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class Reg:
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def __init__(self, r_name):
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self.r_name = r_name
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self.name = strip_prefix(r_name)
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self.fields = []
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self.own_fields = True
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def strip_prefix(s):
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'''Strip prefix in the form ._.*_, e.g. R_001234_'''
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return s[s[2:].find('_')+3:]
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def parse(filename, regs, packets):
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stream = open(filename)
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for line in stream:
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if not line.startswith('#define '):
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continue
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line = line[8:].strip()
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if line.startswith('R_'):
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name = line.split()[0]
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for it in regs:
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if it.r_name == name:
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reg = it
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break
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else:
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reg = Reg(name)
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regs.append(reg)
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elif line.startswith('S_'):
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name = line[:line.find('(')]
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for it in reg.fields:
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if it.s_name == name:
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field = it
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break
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else:
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field = Field(reg, name)
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reg.fields.append(field)
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elif line.startswith('V_'):
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split = line.split()
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name = split[0]
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value = int(split[1], 0)
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for (n,v) in field.values:
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if n == name:
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if v != value:
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sys.exit('Value mismatch: name = ' + name)
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field.values.append((name, value))
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elif line.startswith('PKT3_') and line.find('0x') != -1 and line.find('(') == -1:
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packets.append(line.split()[0])
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# Copy fields to indexed registers which have their fields only defined
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# at register index 0.
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# For example, copy fields from CB_COLOR0_INFO to CB_COLORn_INFO, n > 0.
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match_number = re.compile('[0-9]+')
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reg_dict = dict()
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# Create a dict of registers with fields and '0' in their name
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for reg in regs:
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if len(reg.fields) and reg.name.find('0') != -1:
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reg_dict[reg.name] = reg
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# Assign fields
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for reg in regs:
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if not len(reg.fields):
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reg0 = reg_dict.get(match_number.sub('0', reg.name))
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if reg0 != None:
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reg.fields = reg0.fields
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reg.fields_owner = reg0
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reg.own_fields = False
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def write_tables(regs, packets):
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strings = StringTable()
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strings_offsets = IntTable("int")
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print('/* This file is autogenerated by egd_tables.py from evergreend.h. Do not edit directly. */')
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print()
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print(CopyRight.strip())
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print('''
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#ifndef EG_TABLES_H
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#define EG_TABLES_H
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struct eg_field {
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unsigned name_offset;
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unsigned mask;
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unsigned num_values;
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unsigned values_offset; /* offset into eg_strings_offsets */
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};
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struct eg_reg {
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unsigned name_offset;
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unsigned offset;
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unsigned num_fields;
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unsigned fields_offset;
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};
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struct eg_packet3 {
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unsigned name_offset;
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unsigned op;
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};
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''')
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print('static const struct eg_packet3 packet3_table[] = {')
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for pkt in packets:
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print('\t{%s, %s},' % (strings.add(pkt[5:]), pkt))
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print('};')
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print()
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print('static const struct eg_field egd_fields_table[] = {')
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fields_idx = 0
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for reg in regs:
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if len(reg.fields) and reg.own_fields:
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print('\t/* %s */' % (fields_idx))
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reg.fields_idx = fields_idx
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for field in reg.fields:
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if len(field.values):
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values_offsets = []
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for value in field.values:
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while value[1] >= len(values_offsets):
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values_offsets.append(-1)
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values_offsets[value[1]] = strings.add(strip_prefix(value[0]))
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print('\t{%s, %s(~0u), %s, %s},' % (
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strings.add(field.name), field.s_name,
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len(values_offsets), strings_offsets.add(values_offsets)))
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else:
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print('\t{%s, %s(~0u)},' % (strings.add(field.name), field.s_name))
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fields_idx += 1
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print('};')
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print()
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print('static const struct eg_reg egd_reg_table[] = {')
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for reg in regs:
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if len(reg.fields):
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print('\t{%s, %s, %s, %s},' % (strings.add(reg.name), reg.r_name,
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len(reg.fields), reg.fields_idx if reg.own_fields else reg.fields_owner.fields_idx))
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else:
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print('\t{%s, %s},' % (strings.add(reg.name), reg.r_name))
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print('};')
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print()
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strings.emit(sys.stdout, "egd_strings")
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print()
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strings_offsets.emit(sys.stdout, "egd_strings_offsets")
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print()
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print('#endif')
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def main():
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regs = []
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packets = []
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for arg in sys.argv[1:]:
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parse(arg, regs, packets)
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write_tables(regs, packets)
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if __name__ == '__main__':
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main()
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# kate: space-indent on; indent-width 4; replace-tabs on;
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