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#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
from xml.etree import ElementTree
class RadeonReg:
def __init__(self, unit, name, count, access, addr, stride, desc):
self.unit = unit
self.name = name
self.desc = desc
self.count = count
self.access = access
self.addr = addr
self.fields = []
self.stride = stride
def equals(self, rhs):
if self.unit != rhs.unit or \
self.name != rhs.name or \
self.desc != rhs.desc or \
self.count != rhs.count or \
self.access != rhs.access or \
self.addr != rhs.addr or \
self.stride != rhs.stride or \
len(self.fields) != len(rhs.fields): return False
for i in xrange(len(self.fields)):
if not self.fields[i].equals(rhs.fields[i]): return False
return True
class RadeonField:
def __init__(self, name, low, high, desc):
self.name = name
self.desc = desc
self.low = low if low <= high else high
self.high = high if high >= low else low
self.enum = None
def equals(self, rhs):
if self.name == rhs.name and \
self.desc == rhs.desc and \
self.low == rhs.low and \
self.high == rhs.high and \
self.enum == rhs.enum: return True
return False
class EnumEntry:
def __init__(self, val, name, desc):
self.val = val
self.name = name
self.desc = desc
class RadeonEnum:
def __init__(self):
self.entries = []
self.refs = 0
def add(self, val, name, desc):
self.entries.append(EnumEntry(val, name, desc))
def reference(self):
self.refs = self.refs + 1
def equals(self, rhs):
if len(self.entries) != len(rhs.entries): return False
for i in xrange(len(self.entries)):
if self.entries[i].val != rhs.entries[i].val: return False
if self.entries[i].name != rhs.entries[i].name: return False
if self.entries[i].desc != rhs.entries[i].desc: return False
return True
enums = []
def AddEnum(e):
for i in xrange(len(enums)):
if e.equals(enums[i]):
return i
enums.append(e)
return len(enums)-1
enum_regex = re.compile('(\d\d?)( - |: |=)((?:(?!\d\d?(?: - |: |=)).)*)', re.DOTALL)
enum_desc = re.compile('(\d\d?( - |: |=)|POSSIBLE VALUES:)')
enum_ename = re.compile('([A-Za-z0-9_]*)')
reserved_regex = re.compile('[Rr][Ee][Ss][Ee][Rr][Vv][Ee][Dd]')
def ExtractEnum(s):
dl = s.split('\n')
d = ''
for line in dl:
if enum_desc.match(line): break
d += ' ' + line
d = StripSpaces(d)
enum = RadeonEnum()
m = enum_regex.findall(s)
for entry in m:
val = int(entry[0])
desc = StripSpaces(entry[2].replace('\n', ' '))
if reserved_regex.search(desc): continue
name = StripUnders(enum_ename.match(desc.replace(' ', '_')).group(1).upper())
enum.add(val, name, desc)
if len(enum.entries) == 0: enum = None
return [d, enum]
subs = [re.compile('^.+ 2008 Advanced Micro Devices, Inc.$'),
re.compile('^Proprietary *[0-9]*$'),
re.compile('^. *Revision [0-9\.]* *[A-Za-z]* [0-9]{1,2}, [0-9]*$'),
re.compile('^.$'),
re.compile('^ *$'),
re.compile('\n'),
re.compile('^[0-9]+.[0-9]+ .* Registers.*$'),
re.compile('^\(Access: [RW]\)')]
stupid_linebreaks = re.compile('-\n0x')
def ReadPDFDump(filename):
pdffile = open(filename, 'r')
pdflines = pdffile.readlines()
pdffile.close()
formatted = ''
for line in pdflines:
out = line
for regex in subs:
out = regex.sub('', out)
if out != '':
formatted += out + '\n'
formatted = stupid_linebreaks.sub('-0x', formatted);
return formatted + '\n'
spaces = re.compile(' +')
spaces_end = re.compile('(^ | $)', re.MULTILINE)
def StripSpaces(s):
return spaces_end.sub('', spaces.sub(' ', s))
uscores = re.compile('_+')
uscores_end = re.compile('(^_|_$)', re.MULTILINE)
def StripUnders(s):
return uscores_end.sub('', uscores.sub('_', s))
reg_regex = re.compile(
'([A-Za-z0-9_]{1,4}):([A-Za-z0-9_]+)(\[([0-9]+)-([0-9]+)\]?|)([A-Za-z0-9_]*).*\[([RW\/]+)\].*[^,]? ?MMReg:0x([0-9A-Fa-f]{1,6})(-0x([0-9A-Fa-f]{1,6})|).*'
'(\nDESCRIPTION: (.*(\n.*)*?))?'
'\nField Name +.*? +Description.*\n'
'([^ยท]*\n)+'
)
field_regex = re.compile(
'([A-Za-z0-9_]+) +([0-9]{1,2})(:([0-9]{1,2})|) +(0x[0-9A-Fa-f]+|[Nn]one) +(.*(\n +.*)*)'
)
def FormatPDFDump(pdf):
regs = []
m = reg_regex.findall(pdf)
for reg in m:
unit = reg[0]
name = StripUnders(reg[1] + '_' + reg[5])
addr = [ int(reg[7], 16), int(reg[9], 16) if reg[9] != '' else int(reg[7], 16) ]
access = reg[6].lower().replace('/', '')
count = (int(reg[4]) - int(reg[3]) + 1) if reg[3] != '' and reg[4] != '' else 1
stride = ((addr[1] - addr[0]) / (count - 1)) if count > 1 else 4
desc = StripSpaces(reg[11].replace('\n', ' '))
regs.append(RadeonReg(unit, name, count, access, addr[0], stride, desc))
f = field_regex.findall(reg[13])
for field in f:
fname = field[0]
fbits = [ int(field[1]), int(field[3]) if field[3] != '' else int(field[1]) ]
fdesc = StripSpaces(field[5])
regs[-1].fields.append(RadeonField(fname, fbits[1], fbits[0], fdesc))
e = ExtractEnum(fdesc)
regs[-1].fields[-1].desc = e[0]
if e[1] != None: regs[-1].fields[-1].enum = AddEnum(e[1])
if len(regs[-1].fields) > 0:
if regs[-1].fields[0].low == 0 and regs[-1].fields[0].high == 31:
regs[-1].fields = []
return regs
def CompareRegs(regs1, regs2):
regs_a = []
regs_b = []
regs_both = []
for r1r in regs1:
for r2r in regs2:
if r1r.equals(r2r): regs_both.append(r1r)
for r1r in regs1:
inboth = False
for rb in regs_both:
if r1r.equals(rb): inboth = True
if not inboth:
regs_a.append(r1r)
for r2r in regs2:
inboth = False
for rb in regs_both:
if r2r.equals(rb): inboth = True
if not inboth:
regs_b.append(r2r)
return [regs_both, regs_a, regs_b]
def CreateXML(handle, regs, variants):
comment = ElementTree.Comment(
"""
This file was automatically generated from radeonreg.py.
I strongly suggest running "tidy -m -xml 'name_of_file.xml'" on this file
before attempting to read it.
~ C.
""")
preamble = ElementTree.PI("xml", "version=\"1.0\" encoding=\"UTF-8\"")
database_attrs = {
"xmlns": "http://nouveau.freedesktop.org/",
"xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
"xsi:schemaLocation": "rules-ng.xsd",
}
database = ElementTree.Element("database", database_attrs)
domain = ElementTree.SubElement(database, "domain", name="R300")
for i, enum in enumerate(enums):
if enum.refs > 1:
enum_tag = ElementTree.Element("enum")
enum_tag.attrib["name"] = "ENUM%d" % i
for entry in enum.entries:
if not entry.name:
continue
value = ElementTree.SubElement(enum_tag, "value")
value.attrib["name"] = entry.name
value.attrib["value"] = str(entry.val)
doc = ElementTree.SubElement(value, "doc")
doc.text = entry.desc
if enum_tag:
database.append(enum_tag)
for (group, name, prepend) in regs:
group_tag = ElementTree.SubElement(database, "group", name=name)
# "prepend" isn't (yet) recognized by the schema
#group_tag.attrib["prepend"] = "%s_" % prepend
for reg in group:
if reg.count > 1:
stripe = ElementTree.SubElement(group_tag, "stripe")
stripe.attrib["offset"] = "0x%04X" % reg.addr
stripe.attrib["stride"] = "0x%04X" % reg.stride
stripe.attrib["length"] = str(reg.count)
reg32 = ElementTree.SubElement(stripe, "reg32",
name=reg.name, access=reg.access, offset="0x0")
else:
reg32 = ElementTree.SubElement(group_tag, "reg32",
name=reg.name, access=reg.access)
reg32.attrib["offset"] = "0x%04X" % reg.addr
if reg.desc:
ElementTree.SubElement(reg32, "doc").text = reg.desc
for field in reg.fields:
bitfield = ElementTree.SubElement(reg32, "bitfield",
name=field.name, high=str(field.high), low=str(field.low))
ElementTree.SubElement(reg32, "doc").text = field.desc
if field.enum:
if enums[field.enum].refs == 1:
for entry in enums[field.enum].entries:
if not entry.name:
continue
value = ElementTree.SubElement(bitfield, "value")
value.attrib["name"] = entry.name
value.attrib["value"] = str(entry.val)
doc = ElementTree.SubElement(value, "doc")
doc.text = entry.desc
else:
use_enum = ElementTree.SubElement(bitfield, "use-enum")
use_enum.attrib["ref"] = "ENUM%d" % field.enum
for (name, groups) in variants:
variant = ElementTree.SubElement(database, "variant", id=name)
for group in groups:
ElementTree.SubElement(variant, "use-group", ref=group)
ElementTree.ElementTree(preamble).write(handle)
ElementTree.ElementTree(comment).write(handle)
ElementTree.ElementTree(database).write(handle)
def ReferenceEnums(regs):
for reg in regs:
for field in reg.fields:
if field.enum != None:
enums[field.enum].reference()
r300regs = FormatPDFDump(ReadPDFDump('R3xx_3D_Registers.txt'))
r500regs = FormatPDFDump(ReadPDFDump('R5xx_Acceleration_v1.3.txt'))
finalregs = CompareRegs(r300regs, r500regs)
regs_both = finalregs[0]
regs_r300 = finalregs[1]
regs_r500 = finalregs[2]
ReferenceEnums(regs_both)
ReferenceEnums(regs_r300)
ReferenceEnums(regs_r500)
xmlfile = open("r300reg.xml", "w")
CreateXML(xmlfile,
[
[regs_both, 'rX00_regs', 'R300'],
[regs_r300, 'r300_regs', 'R300'],
[regs_r500, 'r500_regs', 'R500']
],
[
['r300', ['rX00_regs', 'r300_regs']],
['r500', ['rX00_regs', 'r500_regs']]
]
)
xmlfile.close()
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