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freedreno/registers: Split out regpair builder helper

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We are going to want to re-use this in the next commit.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21846>
This commit is contained in:
Rob Clark
2023-03-02 11:17:06 -08:00
committed by Marge Bot
parent d54edcfc72
commit d58af7b5c7
1 changed files with 54 additions and 48 deletions
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src/freedreno/registers/gen_header.py
+54 -48
View File
@@ -108,6 +108,17 @@ def tab_to(name, value):
def mask(low, high):
return ((0xffffffffffffffff >> (64 - (high + 1 - low))) << low)
def field_name(prefix, f):
if f.name:
name = f.name.lower()
else:
name = prefix.lower()
if (name in [ "double", "float", "int" ]) or not (name[0].isalpha()):
name = "_" + name
return name
class Bitset(object):
def __init__(self, name, template):
self.name = name
@@ -117,38 +128,66 @@ class Bitset(object):
else:
self.fields = []
def dump_pack_struct(self, prefix=None, array=None, bit_size=32):
def field_name(prefix, name):
if f.name:
name = f.name.lower()
def dump_regpair_builder(self, prefix, array, bit_size, address):
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(prefix, 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 array:
print(" .reg = REG_%s(i)," % prefix)
else:
print(" .reg = REG_%s," % prefix)
print(" .value =")
for f in self.fields:
if f.type in [ "address", "waddress" ]:
continue
else:
name = prefix.lower()
type, val = f.ctype("fields.%s" % field_name(prefix, f))
print(" (%-40s << %2d) |" % (val, f.low))
value_name = "dword"
if bit_size == 64:
value_name = "qword"
print(" fields.unknown | fields.%s," % (value_name,))
if (name in [ "double", "float", "int" ]) or not (name[0].isalpha()):
name = "_" + name
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)
return name
print(" };")
def dump_pack_struct(self, prefix=None, array=None, bit_size=32):
if not prefix:
return
if prefix == None:
prefix = self.name
value_name = "dword"
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;")
if bit_size == 64:
value_name = "qword"
continue
name = field_name(prefix, f.name)
name = field_name(prefix, f)
type, val = f.ctype("var")
tab_to(" %s" % type, "%s;" % name)
if value_name == "qword":
if bit_size == 64:
tab_to(" uint64_t", "unknown;")
tab_to(" uint64_t", "qword;")
else:
@@ -167,42 +206,9 @@ class Bitset(object):
print("static inline struct fd_reg_pair\npack_%s(struct %s fields)\n{" %
(prefix, prefix));
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(prefix, f.name))
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")
self.dump_regpair_builder(prefix, array, bit_size, address)
print(" return (struct fd_reg_pair) {")
if array:
print(" .reg = REG_%s(i)," % prefix)
else:
print(" .reg = REG_%s," % prefix)
print(" .value =")
for f in self.fields:
if f.type in [ "address", "waddress" ]:
continue
else:
type, val = f.ctype("fields.%s" % field_name(prefix, f.name))
print(" (%-40s << %2d) |" % (val, f.low))
print(" fields.unknown | fields.%s," % (value_name,))
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(" };\n}\n")
print("\n}\n")
if address:
skip = ", { .reg = 0 }"