diff options
author | Bas Nieuwenhuizen <[email protected]> | 2016-12-24 11:53:41 +0100 |
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committer | Bas Nieuwenhuizen <[email protected]> | 2017-01-09 21:43:54 +0100 |
commit | b838f6423711a8f69073ed2c27773b50ffe14d2c (patch) | |
tree | 4813023f211eae5f70c6778f037712c78f575e57 /src/amd/common/sid_tables.py | |
parent | 1c5dcecd51fb8072a9563d838dc33565061f9542 (diff) |
ac/debug: Move sid_tables.h generation to common code.
Signed-off-by: Bas Nieuwenhuizen <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/amd/common/sid_tables.py')
-rwxr-xr-x | src/amd/common/sid_tables.py | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/src/amd/common/sid_tables.py b/src/amd/common/sid_tables.py new file mode 100755 index 00000000000..7ba021544b0 --- /dev/null +++ b/src/amd/common/sid_tables.py @@ -0,0 +1,295 @@ +#!/usr/bin/env python + +CopyRight = ''' +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ +''' + +import sys +import re + + +class StringTable: + """ + A class for collecting multiple strings in a single larger string that is + used by indexing (to avoid relocations in the resulting binary) + """ + def __init__(self): + self.table = [] + self.length = 0 + + def add(self, string): + # We might get lucky with string being a suffix of a previously added string + for te in self.table: + if te[0].endswith(string): + idx = te[1] + len(te[0]) - len(string) + te[2].add(idx) + return idx + + idx = self.length + self.table.append((string, idx, set((idx,)))) + self.length += len(string) + 1 + + return idx + + def emit(self, filp, name, static=True): + """ + Write + [static] const char name[] = "..."; + to filp. + """ + fragments = [ + '"%s\\0" /* %s */' % ( + te[0].encode('string_escape'), + ', '.join(str(idx) for idx in te[2]) + ) + for te in self.table + ] + filp.write('%sconst char %s[] =\n%s;\n' % ( + 'static ' if static else '', + name, + '\n'.join('\t' + fragment for fragment in fragments) + )) + +class IntTable: + """ + A class for collecting multiple arrays of integers in a single big array + that is used by indexing (to avoid relocations in the resulting binary) + """ + def __init__(self, typename): + self.typename = typename + self.table = [] + self.idxs = set() + + def add(self, array): + # We might get lucky and find the array somewhere in the existing data + try: + idx = 0 + while True: + idx = self.table.index(array[0], idx, len(self.table) - len(array) + 1) + + for i in range(1, len(array)): + if array[i] != self.table[idx + i]: + break + else: + self.idxs.add(idx) + return idx + + idx += 1 + except ValueError: + pass + + idx = len(self.table) + self.table += array + self.idxs.add(idx) + return idx + + def emit(self, filp, name, static=True): + """ + Write + [static] const typename name[] = { ... }; + to filp. + """ + idxs = sorted(self.idxs) + [-1] + + fragments = [ + ('\t/* %s */ %s' % ( + idxs[i], + ' '.join((str(elt) + ',') for elt in self.table[idxs[i]:idxs[i+1]]) + )) + for i in range(len(idxs) - 1) + ] + + filp.write('%sconst %s %s[] = {\n%s\n};\n' % ( + 'static ' if static else '', + self.typename, name, + '\n'.join(fragments) + )) + +class Field: + def __init__(self, reg, s_name): + self.s_name = s_name + self.name = strip_prefix(s_name) + self.values = [] + self.varname_values = '%s__%s__values' % (reg.r_name.lower(), self.name.lower()) + +class Reg: + def __init__(self, r_name): + self.r_name = r_name + self.name = strip_prefix(r_name) + self.fields = [] + self.own_fields = True + + +def strip_prefix(s): + '''Strip prefix in the form ._.*_, e.g. R_001234_''' + return s[s[2:].find('_')+3:] + + +def parse(filename): + stream = open(filename) + regs = [] + packets = [] + + for line in stream: + if not line.startswith('#define '): + continue + + line = line[8:].strip() + + if line.startswith('R_'): + reg = Reg(line.split()[0]) + regs.append(reg) + + elif line.startswith('S_'): + field = Field(reg, line[:line.find('(')]) + reg.fields.append(field) + + elif line.startswith('V_'): + split = line.split() + field.values.append((split[0], int(split[1], 0))) + + elif line.startswith('PKT3_') and line.find('0x') != -1 and line.find('(') == -1: + packets.append(line.split()[0]) + + # Copy fields to indexed registers which have their fields only defined + # at register index 0. + # For example, copy fields from CB_COLOR0_INFO to CB_COLORn_INFO, n > 0. + match_number = re.compile('[0-9]+') + reg_dict = dict() + + # Create a dict of registers with fields and '0' in their name + for reg in regs: + if len(reg.fields) and reg.name.find('0') != -1: + reg_dict[reg.name] = reg + + # Assign fields + for reg in regs: + if not len(reg.fields): + reg0 = reg_dict.get(match_number.sub('0', reg.name)) + if reg0 != None: + reg.fields = reg0.fields + reg.fields_owner = reg0 + reg.own_fields = False + + return (regs, packets) + + +def write_tables(tables): + regs = tables[0] + packets = tables[1] + + strings = StringTable() + strings_offsets = IntTable("int") + + print '/* This file is autogenerated by sid_tables.py from sid.h. Do not edit directly. */' + print + print CopyRight.strip() + print ''' +#ifndef SID_TABLES_H +#define SID_TABLES_H + +struct si_field { + unsigned name_offset; + unsigned mask; + unsigned num_values; + unsigned values_offset; /* offset into sid_strings_offsets */ +}; + +struct si_reg { + unsigned name_offset; + unsigned offset; + unsigned num_fields; + unsigned fields_offset; +}; + +struct si_packet3 { + unsigned name_offset; + unsigned op; +}; +''' + + print 'static const struct si_packet3 packet3_table[] = {' + for pkt in packets: + print '\t{%s, %s},' % (strings.add(pkt[5:]), pkt) + print '};' + print + + print 'static const struct si_field sid_fields_table[] = {' + + fields_idx = 0 + for reg in regs: + if len(reg.fields) and reg.own_fields: + print '\t/* %s */' % (fields_idx) + + reg.fields_idx = fields_idx + + for field in reg.fields: + if len(field.values): + values_offsets = [] + for value in field.values: + while value[1] >= len(values_offsets): + values_offsets.append(-1) + values_offsets[value[1]] = strings.add(strip_prefix(value[0])) + print '\t{%s, %s(~0u), %s, %s},' % ( + strings.add(field.name), field.s_name, + len(values_offsets), strings_offsets.add(values_offsets)) + else: + print '\t{%s, %s(~0u)},' % (strings.add(field.name), field.s_name) + fields_idx += 1 + + print '};' + print + + print 'static const struct si_reg sid_reg_table[] = {' + for reg in regs: + if len(reg.fields): + print '\t{%s, %s, %s, %s},' % (strings.add(reg.name), reg.r_name, + len(reg.fields), reg.fields_idx if reg.own_fields else reg.fields_owner.fields_idx) + else: + print '\t{%s, %s},' % (strings.add(reg.name), reg.r_name) + print '};' + print + + strings.emit(sys.stdout, "sid_strings") + + print + + strings_offsets.emit(sys.stdout, "sid_strings_offsets") + + print + print '#endif' + + +def main(): + tables = [] + for arg in sys.argv[1:]: + tables.extend(parse(arg)) + write_tables(tables) + + +if __name__ == '__main__': + main() + +# kate: space-indent on; indent-width 4; replace-tabs on; |