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gen_header.py
Dmitry Baryshkov authored
Import the gen_headers.py script from Mesa, commit b5414e716684
("freedreno/registers: Add license header"). This script will be used to
generate MSM register files on the fly during compilation.
Signed-off-by: 
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/585864/
Link: https://lore.kernel.org/r/20240401-fd-xml-shipped-v5-10-4bdb277a85a1@linaro.org gen_header.py 26.63 KiB
#!/usr/bin/python3
#
# Copyright © 2019-2024 Google, Inc.
#
# SPDX-License-Identifier: MIT
import xml.parsers.expat
import sys
import os
import collections
import argparse
import time
import datetime
class Error(Exception):
def __init__(self, message):
self.message = message
class Enum(object):
def __init__(self, name):
self.name = name
self.values = []
def has_name(self, name):
for (n, value) in self.values:
if n == name:
return True
return False
def names(self):
return [n for (n, value) in self.values]
def dump(self):
use_hex = False
for (name, value) in self.values:
if value > 0x1000:
use_hex = True
print("enum %s {" % self.name)
for (name, value) in self.values:
if use_hex:
print("\t%s = 0x%08x," % (name, value))
else:
print("\t%s = %d," % (name, value))
print("};\n")
def dump_pack_struct(self):
pass
class Field(object):
def __init__(self, name, low, high, shr, type, parser):
self.name = name
self.low = low
self.high = high
self.shr = shr
self.type = type
builtin_types = [ None, "a3xx_regid", "boolean", "uint", "hex", "int", "fixed", "ufixed", "float", "address", "waddress" ]
maxpos = parser.current_bitsize - 1
if low < 0 or low > maxpos:
raise parser.error("low attribute out of range: %d" % low)
if high < 0 or high > maxpos:
raise parser.error("high attribute out of range: %d" % high)
if high < low:
raise parser.error("low is greater than high: low=%d, high=%d" % (low, high))
if self.type == "boolean" and not low == high:
raise parser.error("booleans should be 1 bit fields")
elif self.type == "float" and not (high - low == 31 or high - low == 15):
raise parser.error("floats should be 16 or 32 bit fields")
elif not self.type in builtin_types and not self.type in parser.enums:
raise parser.error("unknown type '%s'" % self.type)
def ctype(self, var_name):
if self.type == None:
type = "uint32_t"
val = var_name
elif self.type == "boolean":
type = "bool"
val = var_name
elif self.type == "uint" or self.type == "hex" or self.type == "a3xx_regid":
type = "uint32_t"
val = var_name
elif self.type == "int":
type = "int32_t"
val = var_name
elif self.type == "fixed":
type = "float"
val = "((int32_t)(%s * %d.0))" % (var_name, 1 << self.radix)
elif self.type == "ufixed":
type = "float"
val = "((uint32_t)(%s * %d.0))" % (var_name, 1 << self.radix)
elif self.type == "float" and self.high - self.low == 31:
type = "float"
val = "fui(%s)" % var_name
elif self.type == "float" and self.high - self.low == 15:
type = "float"
val = "_mesa_float_to_half(%s)" % var_name
elif self.type in [ "address", "waddress" ]:
type = "uint64_t"
val = var_name
else:
type = "enum %s" % self.type
val = var_name
if self.shr > 0:
val = "(%s >> %d)" % (val, self.shr)
return (type, val)
def tab_to(name, value):
tab_count = (68 - (len(name) & ~7)) // 8
if tab_count <= 0:
tab_count = 1
print(name + ('\t' * tab_count) + value)
def mask(low, high):
return ((0xffffffffffffffff >> (64 - (high + 1 - low))) << low)
def field_name(reg, f):
if f.name:
name = f.name.lower()
else:
# We hit this path when a reg is defined with no bitset fields, ie.
# <reg32 offset="0x88db" name="RB_BLIT_DST_ARRAY_PITCH" low="0" high="28" shr="6" type="uint"/>
name = reg.name.lower()
if (name in [ "double", "float", "int" ]) or not (name[0].isalpha()):
name = "_" + name
return name
# indices - array of (ctype, stride, __offsets_NAME)
def indices_varlist(indices):
return ", ".join(["i%d" % i for i in range(len(indices))])
def indices_prototype(indices):
return ", ".join(["%s i%d" % (ctype, idx)
for (idx, (ctype, stride, offset)) in enumerate(indices)])
def indices_strides(indices):
return " + ".join(["0x%x*i%d" % (stride, idx)
if stride else
"%s(i%d)" % (offset, idx)
for (idx, (ctype, stride, offset)) in enumerate(indices)])
class Bitset(object):
def __init__(self, name, template):
self.name = name
self.inline = False
if template:
self.fields = template.fields[:]
else:
self.fields = []
# Get address field if there is one in the bitset, else return None:
def get_address_field(self):
for f in self.fields:
if f.type in [ "address", "waddress" ]:
return f
return None
def dump_regpair_builder(self, reg):
print("#ifndef NDEBUG")
known_mask = 0
for f in self.fields:
known_mask |= mask(f.low, f.high)
if f.type in [ "boolean", "address", "waddress" ]:
continue
type, val = f.ctype("fields.%s" % field_name(reg, f))
print(" assert((%-40s & 0x%08x) == 0);" % (val, 0xffffffff ^ mask(0 , f.high - f.low)))
print(" assert((%-40s & 0x%08x) == 0);" % ("fields.unknown", known_mask))
print("#endif\n")
print(" return (struct fd_reg_pair) {")
if reg.array:
print(" .reg = REG_%s(__i)," % reg.full_name)
else:
print(" .reg = REG_%s," % reg.full_name)
print(" .value =")
for f in self.fields:
if f.type in [ "address", "waddress" ]:
continue
else:
type, val = f.ctype("fields.%s" % field_name(reg, f))
print(" (%-40s << %2d) |" % (val, f.low))
value_name = "dword"
if reg.bit_size == 64:
value_name = "qword"
print(" fields.unknown | fields.%s," % (value_name,))
address = self.get_address_field()
if address:
print(" .bo = fields.bo,")
print(" .is_address = true,")
if f.type == "waddress":
print(" .bo_write = true,")
print(" .bo_offset = fields.bo_offset,")
print(" .bo_shift = %d," % address.shr)
print(" .bo_low = %d," % address.low)
print(" };")
def dump_pack_struct(self, reg=None):
if not reg:
return
prefix = reg.full_name
print("struct %s {" % prefix)
for f in self.fields:
if f.type in [ "address", "waddress" ]:
tab_to(" __bo_type", "bo;")
tab_to(" uint32_t", "bo_offset;")
continue
name = field_name(reg, f)
type, val = f.ctype("var")
tab_to(" %s" % type, "%s;" % name)
if reg.bit_size == 64:
tab_to(" uint64_t", "unknown;")
tab_to(" uint64_t", "qword;")
else:
tab_to(" uint32_t", "unknown;")
tab_to(" uint32_t", "dword;")
print("};\n")
if reg.array:
print("static inline struct fd_reg_pair\npack_%s(uint32_t __i, struct %s fields)\n{" %
(prefix, prefix))
else:
print("static inline struct fd_reg_pair\npack_%s(struct %s fields)\n{" %
(prefix, prefix))
self.dump_regpair_builder(reg)
print("\n}\n")
if self.get_address_field():
skip = ", { .reg = 0 }"
else:
skip = ""
if reg.array:
print("#define %s(__i, ...) pack_%s(__i, __struct_cast(%s) { __VA_ARGS__ })%s\n" %
(prefix, prefix, prefix, skip))
else:
print("#define %s(...) pack_%s(__struct_cast(%s) { __VA_ARGS__ })%s\n" %
(prefix, prefix, prefix, skip))
def dump(self, prefix=None):
if prefix == None:
prefix = self.name
for f in self.fields:
if f.name:
name = prefix + "_" + f.name
else:
name = prefix
if not f.name and f.low == 0 and f.shr == 0 and not f.type in ["float", "fixed", "ufixed"]:
pass
elif f.type == "boolean" or (f.type == None and f.low == f.high):
tab_to("#define %s" % name, "0x%08x" % (1 << f.low))
else:
tab_to("#define %s__MASK" % name, "0x%08x" % mask(f.low, f.high))
tab_to("#define %s__SHIFT" % name, "%d" % f.low)
type, val = f.ctype("val")
print("static inline uint32_t %s(%s val)\n{" % (name, type))
if f.shr > 0:
print("\tassert(!(val & 0x%x));" % mask(0, f.shr - 1))
print("\treturn ((%s) << %s__SHIFT) & %s__MASK;\n}" % (val, name, name))
print()
class Array(object):
def __init__(self, attrs, domain, variant, parent, index_type):
if "name" in attrs:
self.local_name = attrs["name"]
else:
self.local_name = ""
self.domain = domain
self.variant = variant
self.parent = parent
if self.parent:
self.name = self.parent.name + "_" + self.local_name
else:
self.name = self.local_name
if "offsets" in attrs:
self.offsets = map(lambda i: "0x%08x" % int(i, 0), attrs["offsets"].split(","))
self.fixed_offsets = True
elif "doffsets" in attrs:
self.offsets = map(lambda s: "(%s)" % s , attrs["doffsets"].split(","))
self.fixed_offsets = True
else:
self.offset = int(attrs["offset"], 0)
self.stride = int(attrs["stride"], 0)
self.fixed_offsets = False
if "index" in attrs:
self.index_type = index_type
else:
self.index_type = None
self.length = int(attrs["length"], 0)
if "usage" in attrs:
self.usages = attrs["usage"].split(',')
else:
self.usages = None
def index_ctype(self):
if not self.index_type:
return "uint32_t"
else:
return "enum %s" % self.index_type.name
# Generate array of (ctype, stride, __offsets_NAME)
def indices(self):
if self.parent:
indices = self.parent.indices()
else:
indices = []
if self.length != 1:
if self.fixed_offsets:
indices.append((self.index_ctype(), None, f"__offset_{self.local_name}"))
else:
indices.append((self.index_ctype(), self.stride, None))
return indices
def total_offset(self):
offset = 0
if not self.fixed_offsets:
offset += self.offset
if self.parent:
offset += self.parent.total_offset()
return offset
def dump(self):
proto = indices_varlist(self.indices())
strides = indices_strides(self.indices())
array_offset = self.total_offset()
if self.fixed_offsets:
print("static inline uint32_t __offset_%s(%s idx)" % (self.local_name, self.index_ctype()))
print("{\n\tswitch (idx) {")
if self.index_type:
for val, offset in zip(self.index_type.names(), self.offsets):
print("\t\tcase %s: return %s;" % (val, offset))
else:
for idx, offset in enumerate(self.offsets):
print("\t\tcase %d: return %s;" % (idx, offset))
print("\t\tdefault: return INVALID_IDX(idx);")
print("\t}\n}")
if proto == '':
tab_to("#define REG_%s_%s" % (self.domain, self.name), "0x%08x\n" % array_offset)
else:
tab_to("#define REG_%s_%s(%s)" % (self.domain, self.name, proto), "(0x%08x + %s )\n" % (array_offset, strides))
def dump_pack_struct(self):
pass
def dump_regpair_builder(self):
pass
class Reg(object):
def __init__(self, attrs, domain, array, bit_size):
self.name = attrs["name"]
self.domain = domain
self.array = array
self.offset = int(attrs["offset"], 0)
self.type = None
self.bit_size = bit_size
if array:
self.name = array.name + "_" + self.name
self.full_name = self.domain + "_" + self.name
if "stride" in attrs:
self.stride = int(attrs["stride"], 0)
self.length = int(attrs["length"], 0)
else:
self.stride = None
self.length = None
# Generate array of (ctype, stride, __offsets_NAME)
def indices(self):
if self.array:
indices = self.array.indices()
else:
indices = []
if self.stride:
indices.append(("uint32_t", self.stride, None))
return indices
def total_offset(self):
if self.array:
return self.array.total_offset() + self.offset
else:
return self.offset
def dump(self):
proto = indices_prototype(self.indices())
strides = indices_strides(self.indices())
offset = self.total_offset()
if proto == '':
tab_to("#define REG_%s" % self.full_name, "0x%08x" % offset)
else:
print("static inline uint32_t REG_%s(%s) { return 0x%08x + %s; }" % (self.full_name, proto, offset, strides))
if self.bitset.inline:
self.bitset.dump(self.full_name)
def dump_pack_struct(self):
if self.bitset.inline:
self.bitset.dump_pack_struct(self)
def dump_regpair_builder(self):
if self.bitset.inline:
self.bitset.dump_regpair_builder(self)
def dump_py(self):
print("\tREG_%s = 0x%08x" % (self.full_name, self.offset))
class Parser(object):
def __init__(self):
self.current_array = None
self.current_domain = None
self.current_prefix = None
self.current_prefix_type = None
self.current_stripe = None
self.current_bitset = None
self.current_bitsize = 32
# The varset attribute on the domain specifies the enum which
# specifies all possible hw variants:
self.current_varset = None
# Regs that have multiple variants.. we only generated the C++
# template based struct-packers for these
self.variant_regs = {}
# Information in which contexts regs are used, to be used in
# debug options
self.usage_regs = collections.defaultdict(list)
self.bitsets = {}
self.enums = {}
self.variants = set()
self.file = []
self.xml_files = []
self.copyright_year = None
self.authors = []
self.license = None
def error(self, message):
parser, filename = self.stack[-1]
return Error("%s:%d:%d: %s" % (filename, parser.CurrentLineNumber, parser.CurrentColumnNumber, message))
def prefix(self, variant=None):
if self.current_prefix_type == "variant" and variant:
return variant
elif self.current_stripe:
return self.current_stripe + "_" + self.current_domain
elif self.current_prefix:
return self.current_prefix + "_" + self.current_domain
else:
return self.current_domain
def parse_field(self, name, attrs):
try:
if "pos" in attrs:
high = low = int(attrs["pos"], 0)
elif "high" in attrs and "low" in attrs:
high = int(attrs["high"], 0)
low = int(attrs["low"], 0)
else:
low = 0
high = self.current_bitsize - 1
if "type" in attrs:
type = attrs["type"]
else:
type = None
if "shr" in attrs:
shr = int(attrs["shr"], 0)
else:
shr = 0
b = Field(name, low, high, shr, type, self)
if type == "fixed" or type == "ufixed":
b.radix = int(attrs["radix"], 0)
self.current_bitset.fields.append(b)
except ValueError as e:
raise self.error(e)
def parse_varset(self, attrs):
# Inherit the varset from the enclosing domain if not overriden:
varset = self.current_varset
if "varset" in attrs:
varset = self.enums[attrs["varset"]]
return varset
def parse_variants(self, attrs):
if not "variants" in attrs:
return None
variant = attrs["variants"].split(",")[0]
if "-" in variant:
variant = variant[:variant.index("-")]
varset = self.parse_varset(attrs)
assert varset.has_name(variant)
return variant
def add_all_variants(self, reg, attrs, parent_variant):
# TODO this should really handle *all* variants, including dealing
# with open ended ranges (ie. "A2XX,A4XX-") (we have the varset
# enum now to make that possible)
variant = self.parse_variants(attrs)
if not variant:
variant = parent_variant
if reg.name not in self.variant_regs:
self.variant_regs[reg.name] = {}
else:
# All variants must be same size:
v = next(iter(self.variant_regs[reg.name]))
assert self.variant_regs[reg.name][v].bit_size == reg.bit_size
self.variant_regs[reg.name][variant] = reg
def add_all_usages(self, reg, usages):
if not usages:
return
for usage in usages:
self.usage_regs[usage].append(reg)
self.variants.add(reg.domain)
def do_validate(self, schemafile):
try:
from lxml import etree
parser, filename = self.stack[-1]
dirname = os.path.dirname(filename)
# we expect this to look like <namespace url> schema.xsd.. I think
# technically it is supposed to be just a URL, but that doesn't
# quite match up to what we do.. Just skip over everything up to
# and including the first whitespace character:
schemafile = schemafile[schemafile.rindex(" ")+1:]
# this is a bit cheezy, but the xml file to validate could be
# in a child director, ie. we don't really know where the schema
# file is, the way the rnn C code does. So if it doesn't exist
# just look one level up
if not os.path.exists(dirname + "/" + schemafile):
schemafile = "../" + schemafile
if not os.path.exists(dirname + "/" + schemafile):
raise self.error("Cannot find schema for: " + filename)
xmlschema_doc = etree.parse(dirname + "/" + schemafile)
xmlschema = etree.XMLSchema(xmlschema_doc)
xml_doc = etree.parse(filename)
if not xmlschema.validate(xml_doc):
error_str = str(xmlschema.error_log.filter_from_errors()[0])
raise self.error("Schema validation failed for: " + filename + "\n" + error_str)
except ImportError:
print("lxml not found, skipping validation", file=sys.stderr)
def do_parse(self, filename):
filepath = os.path.abspath(filename)
if filepath in self.xml_files:
return
self.xml_files.append(filepath)
file = open(filename, "rb")
parser = xml.parsers.expat.ParserCreate()
self.stack.append((parser, filename))
parser.StartElementHandler = self.start_element
parser.EndElementHandler = self.end_element
parser.CharacterDataHandler = self.character_data
parser.buffer_text = True
parser.ParseFile(file)
self.stack.pop()
file.close()
def parse(self, rnn_path, filename):
self.path = rnn_path
self.stack = []
self.do_parse(filename)
def parse_reg(self, attrs, bit_size):
self.current_bitsize = bit_size
if "type" in attrs and attrs["type"] in self.bitsets:
bitset = self.bitsets[attrs["type"]]
if bitset.inline:
self.current_bitset = Bitset(attrs["name"], bitset)
self.current_bitset.inline = True
else:
self.current_bitset = bitset
else:
self.current_bitset = Bitset(attrs["name"], None)
self.current_bitset.inline = True
if "type" in attrs:
self.parse_field(None, attrs)
variant = self.parse_variants(attrs)
if not variant and self.current_array:
variant = self.current_array.variant
self.current_reg = Reg(attrs, self.prefix(variant), self.current_array, bit_size)
self.current_reg.bitset = self.current_bitset
if len(self.stack) == 1:
self.file.append(self.current_reg)
if variant is not None:
self.add_all_variants(self.current_reg, attrs, variant)
usages = None
if "usage" in attrs:
usages = attrs["usage"].split(',')
elif self.current_array:
usages = self.current_array.usages
self.add_all_usages(self.current_reg, usages)
def start_element(self, name, attrs):
self.cdata = ""
if name == "import":
filename = attrs["file"]
self.do_parse(os.path.join(self.path, filename))
elif name == "domain":
self.current_domain = attrs["name"]
if "prefix" in attrs:
self.current_prefix = self.parse_variants(attrs)
self.current_prefix_type = attrs["prefix"]
else:
self.current_prefix = None
self.current_prefix_type = None
if "varset" in attrs:
self.current_varset = self.enums[attrs["varset"]]
elif name == "stripe":
self.current_stripe = self.parse_variants(attrs)
elif name == "enum":
self.current_enum_value = 0
self.current_enum = Enum(attrs["name"])
self.enums[attrs["name"]] = self.current_enum
if len(self.stack) == 1:
self.file.append(self.current_enum)
elif name == "value":
if "value" in attrs:
value = int(attrs["value"], 0)
else:
value = self.current_enum_value
self.current_enum.values.append((attrs["name"], value))
elif name == "reg32":
self.parse_reg(attrs, 32)
elif name == "reg64":
self.parse_reg(attrs, 64)
elif name == "array":
self.current_bitsize = 32
variant = self.parse_variants(attrs)
index_type = self.enums[attrs["index"]] if "index" in attrs else None
self.current_array = Array(attrs, self.prefix(variant), variant, self.current_array, index_type)
if len(self.stack) == 1:
self.file.append(self.current_array)
elif name == "bitset":
self.current_bitset = Bitset(attrs["name"], None)
if "inline" in attrs and attrs["inline"] == "yes":
self.current_bitset.inline = True
self.bitsets[self.current_bitset.name] = self.current_bitset
if len(self.stack) == 1 and not self.current_bitset.inline:
self.file.append(self.current_bitset)
elif name == "bitfield" and self.current_bitset:
self.parse_field(attrs["name"], attrs)
elif name == "database":
self.do_validate(attrs["xsi:schemaLocation"])
elif name == "copyright":
self.copyright_year = attrs["year"]
elif name == "author":
self.authors.append(attrs["name"] + " <" + attrs["email"] + "> " + attrs["name"])
def end_element(self, name):
if name == "domain":
self.current_domain = None
self.current_prefix = None
self.current_prefix_type = None
elif name == "stripe":
self.current_stripe = None
elif name == "bitset":
self.current_bitset = None
elif name == "reg32":
self.current_reg = None
elif name == "array":
self.current_array = self.current_array.parent
elif name == "enum":
self.current_enum = None
elif name == "license":
self.license = self.cdata
def character_data(self, data):
self.cdata += data
def dump_reg_usages(self):
d = collections.defaultdict(list)
for usage, regs in self.usage_regs.items():
for reg in regs:
variants = self.variant_regs.get(reg.name)
if variants:
for variant, vreg in variants.items():
if reg == vreg:
d[(usage, variant)].append(reg)
else:
for variant in self.variants:
d[(usage, variant)].append(reg)
print("#ifdef __cplusplus")
for usage, regs in self.usage_regs.items():
print("template<chip CHIP> constexpr inline uint16_t %s_REGS[] = {};" % (usage.upper()))
for (usage, variant), regs in d.items():
offsets = []
for reg in regs:
if reg.array:
for i in range(reg.array.length):
offsets.append(reg.array.offset + reg.offset + i * reg.array.stride)
if reg.bit_size == 64:
offsets.append(offsets[-1] + 1)
else:
offsets.append(reg.offset)
if reg.bit_size == 64:
offsets.append(offsets[-1] + 1)
offsets.sort()
print("template<> constexpr inline uint16_t %s_REGS<%s>[] = {" % (usage.upper(), variant))
for offset in offsets:
print("\t%s," % hex(offset))
print("};")
print("#endif")
def dump(self):
enums = []
bitsets = []
regs = []
for e in self.file:
if isinstance(e, Enum):
enums.append(e)
elif isinstance(e, Bitset):
bitsets.append(e)
else:
regs.append(e)
for e in enums + bitsets + regs:
e.dump()
self.dump_reg_usages()
def dump_regs_py(self):
regs = []
for e in self.file:
if isinstance(e, Reg):
regs.append(e)
for e in regs:
e.dump_py()
def dump_reg_variants(self, regname, variants):
# Don't bother for things that only have a single variant:
if len(variants) == 1:
return
print("#ifdef __cplusplus")
print("struct __%s {" % regname)
# TODO be more clever.. we should probably figure out which
# fields have the same type in all variants (in which they
# appear) and stuff everything else in a variant specific
# sub-structure.
seen_fields = []
bit_size = 32
array = False
address = None
for variant in variants.keys():
print(" /* %s fields: */" % variant)
reg = variants[variant]
bit_size = reg.bit_size
array = reg.array
for f in reg.bitset.fields:
fld_name = field_name(reg, f)
if fld_name in seen_fields:
continue
seen_fields.append(fld_name)
name = fld_name.lower()
if f.type in [ "address", "waddress" ]:
if address:
continue
address = f
tab_to(" __bo_type", "bo;")
tab_to(" uint32_t", "bo_offset;")
continue
type, val = f.ctype("var")
tab_to(" %s" %type, "%s;" %name)
print(" /* fallback fields: */")
if bit_size == 64:
tab_to(" uint64_t", "unknown;")
tab_to(" uint64_t", "qword;")
else:
tab_to(" uint32_t", "unknown;")
tab_to(" uint32_t", "dword;")
print("};")
# TODO don't hardcode the varset enum name
varenum = "chip"
print("template <%s %s>" % (varenum, varenum.upper()))
print("static inline struct fd_reg_pair")
xtra = ""
xtravar = ""
if array:
xtra = "int __i, "
xtravar = "__i, "
print("__%s(%sstruct __%s fields) {" % (regname, xtra, regname))
for variant in variants.keys():
print(" if (%s == %s) {" % (varenum.upper(), variant))
reg = variants[variant]
reg.dump_regpair_builder()
print(" } else")
print(" assert(!\"invalid variant\");")
print("}")
if bit_size == 64:
skip = ", { .reg = 0 }"
else:
skip = ""
print("#define %s(VARIANT, %s...) __%s<VARIANT>(%s{__VA_ARGS__})%s" % (regname, xtravar, regname, xtravar, skip))
print("#endif /* __cplusplus */")
def dump_structs(self):
for e in self.file:
e.dump_pack_struct()
for regname in self.variant_regs:
self.dump_reg_variants(regname, self.variant_regs[regname])
def dump_c(args, guard, func):
p = Parser()
try:
p.parse(args.rnn, args.xml)
except Error as e:
print(e, file=sys.stderr)
exit(1)
print("#ifndef %s\n#define %s\n" % (guard, guard))
print("""/* Autogenerated file, DO NOT EDIT manually!
This file was generated by the rules-ng-ng gen_header.py tool in this git repository:
http://gitlab.freedesktop.org/mesa/mesa/
git clone https://gitlab.freedesktop.org/mesa/mesa.git
The rules-ng-ng source files this header was generated from are:
""")
maxlen = 0
for filepath in p.xml_files:
maxlen = max(maxlen, len(filepath))
for filepath in p.xml_files:
pad = " " * (maxlen - len(filepath))
filesize = str(os.path.getsize(filepath))
filesize = " " * (7 - len(filesize)) + filesize
filetime = time.ctime(os.path.getmtime(filepath))
print("- " + filepath + pad + " (" + filesize + " bytes, from " + filetime + ")")
if p.copyright_year:
current_year = str(datetime.date.today().year)
print()
print("Copyright (C) %s-%s by the following authors:" % (p.copyright_year, current_year))
for author in p.authors:
print("- " + author)
if p.license:
print(p.license)
print("*/")
print()
print("#ifdef __KERNEL__")
print("#include <linux/bug.h>")
print("#define assert(x) BUG_ON(!(x))")
print("#else")
print("#include <assert.h>")
print("#endif")
print()
print("#ifdef __cplusplus")
print("#define __struct_cast(X)")
print("#else")
print("#define __struct_cast(X) (struct X)")
print("#endif")
print()
func(p)
print("\n#endif /* %s */" % guard)
def dump_c_defines(args):
guard = str.replace(os.path.basename(args.xml), '.', '_').upper()
dump_c(args, guard, lambda p: p.dump())
def dump_c_pack_structs(args):
guard = str.replace(os.path.basename(args.xml), '.', '_').upper() + '_STRUCTS'
dump_c(args, guard, lambda p: p.dump_structs())
def dump_py_defines(args):
p = Parser()
try:
p.parse(args.rnn, args.xml)
except Error as e:
print(e, file=sys.stderr)
exit(1)
file_name = os.path.splitext(os.path.basename(args.xml))[0]
print("from enum import IntEnum")
print("class %sRegs(IntEnum):" % file_name.upper())
os.path.basename(args.xml)
p.dump_regs_py()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--rnn', type=str, required=True)
parser.add_argument('--xml', type=str, required=True)
subparsers = parser.add_subparsers(required=True)
parser_c_defines = subparsers.add_parser('c-defines')
parser_c_defines.set_defaults(func=dump_c_defines)
parser_c_pack_structs = subparsers.add_parser('c-pack-structs')
parser_c_pack_structs.set_defaults(func=dump_c_pack_structs)
parser_py_defines = subparsers.add_parser('py-defines')
parser_py_defines.set_defaults(func=dump_py_defines)
args = parser.parse_args()
args.func(args)
if __name__ == '__main__':
main()