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@xxxxxxxxxx>
---
drivers/gpu/drm/msm/registers/gen_header.py | 961 ++++++++++++++++++++++++++++
1 file changed, 961 insertions(+)
diff --git a/drivers/gpu/drm/msm/registers/gen_header.py b/drivers/gpu/drm/msm/registers/gen_header.py
new file mode 100644
index 000000000000..9b2842d4a354
--- /dev/null
+++ b/drivers/gpu/drm/msm/registers/gen_header.py
@@ -0,0 +1,961 @@
+#!/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()
--
2.39.2
