u-boot/tools/microcode-tool.py

5 # SPDX-License-Identifier:      GPL-2.0+
21         name:  Name of the CPU this microcode is for, including any version
27     def __init__(self, name, data):  argument
28         self.name = name
45         3-Tuple:
50     re_date = re.compile('/\* *(.* [0-9]{4}) *\*/$')
51     re_license = re.compile('/[^-*+] *(.*)$')
57     name = None
59         for line in fd:
60             line = line.rstrip()
61             m_date = re_date.match(line)
62             m_license = re_license.match(line)
63             m_name = re_name.match(line)
65                 if name:
66                     microcodes[name] = Microcode(name, data)
67                 name = m_name.group(1).lower()
74                 data.append(line)
75     if name:
76         microcodes[name] = Microcode(name, data)
92     name = None
94         name = os.path.basename(fname).lower()
95         name = os.path.splitext(name)[0]
100             for line in fd:
101                 line = line.rstrip()
103                 if len(line) >= 2:
104                     if line[0] == '/' and line[1] == '*':
107                     if line[0] == '*' and line[1] == '/':
111                     # Ignore blank line
112                     if len(line) > 0:
113                         license_text.append(line)
116                 words = line.split(',')[:-1]
118         microcodes[name] = Microcode(name, data)
127         microcodes:     Dict of Microcode objects indexed by name
138         print '%-20s: model %s' % (mcode.name, mcode.model)
148     If the model name is ambiguous we return a list of matches.
151         microcodes: Dict of Microcode objects indexed by name
152         model:      String containing model name to find
158     # Allow a full name to be used
166         abbrev = model[:-i] if i else model
176     """Create a microcode file in U-Boot's .dtsi format
182         outfile:    Filename to write to ('-' for stdout)
185  * ---
193 intel,header-version = <%d>;
194 intel,update-revision = <%#x>;
195 intel,date-code = <%#x>;
196 intel,processor-signature = <%#x>;
198 intel,loader-revision = <%d>;
199 intel,processor-flags = <%#x>;
201 /* The first 48-bytes are the public header which repeats the above data */
208             words += '\n/* %s */' % mcode.name
213             # Change each word so it will be little-endian in the FDT
224     for line in license_text:
225         if line[0] == '\t':
226             text += '\n *' + line
228             text += '\n * ' + line
232     if outfile == '-':
239             outfile = os.path.join(MICROCODE_DIR, mcode.name + '.dtsi')
241                 ', '.join([mcode.name for mcode in mcodes]), outfile)
249     parser.add_option('-d', '--mcfile', type='string', action='store',
250                     help='Name of microcode.dat file')
251     parser.add_option('-H', '--headerfile', type='string', action='append',
252                     help='Name of .h file containing microcode')
253     parser.add_option('-m', '--model', type='string', action='store',
254                     help="Model name to extract ('all' for all)")
255     parser.add_option('-M', '--multiple', type='string', action='store',
257     parser.add_option('-o', '--outfile', type='string', action='store',
258                     help='Filename to use for output (- for stdout), default is'
259                     ' %s/<name>.dtsi' % MICROCODE_DIR)
262     Process an Intel microcode file (use -h for help). Commands:
270        ./tools/microcode-tool -d microcode.dat -m 306a create
305             parser.error("Unknown model '%s' (%s) - try 'list' to list" %
308             parser.error("Ambiguous model '%s' (%s) matched %s - try 'list' "
311                         ', '.join([m.name for m in mcode_list])))