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parse_packets: add support for printing the content of type 3 packets

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This commit is contained in:
Zack Buhman 2025-11-20 14:46:18 -06:00
parent 687bc734d9
commit 443f0f4785
1 changed files with 86 additions and 6 deletions
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92
regs/parse_packets.py
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@ -16,6 +16,17 @@ undocumented_registers = {
0x2184: "VAP_VSM_VTX_ASSM", 0x2184: "VAP_VSM_VTX_ASSM",
} }
def decode_print(register_name, value, paren=False, display_register_name=None):
if display_register_name is None:
display_register_name = register_name
decoded_value = decode_bits(register_name, value)
head = decoded_value[0][2:]
tail = indent('\n'.join([f"= {head}", *decoded_value[1:]]), ' ')
if paren:
print(f" ({display_register_name})\n{tail}")
else:
print(f" {display_register_name}\n{tail}")
class Parser: class Parser:
def __init__(self, values): def __init__(self, values):
self.ix = 0 self.ix = 0
@ -53,10 +64,7 @@ class Parser:
try: try:
if one_reg or value == 0: if one_reg or value == 0:
assert False assert False
decoded_value = decode_bits(register_name, value) decode_print(register_name, value)
head = decoded_value[0][2:]
tail = indent('\n'.join(decoded_value[1:]), ' ')
print(f" {register_name} = {head}\n{tail}")
except AssertionError: except AssertionError:
print(f" {register_name} = 0x{value:08x}") print(f" {register_name} = 0x{value:08x}")
else: else:
@ -80,11 +88,83 @@ class Parser:
it_opcode = (header >> 8) & 0xff it_opcode = (header >> 8) & 0xff
count = (header >> 16) & 0x3fff count = (header >> 16) & 0x3fff
print(f"type 3: op:{it_opcode:02x} count:{count:04x}") opcode_names = dict((v, k) for k, v in [
("3D_DRAW_VBUF", 0x28),
("3D_DRAW_IMMD", 0x29),
("3D_DRAW_INDX", 0x2A),
("LOAD_PALETTE", 0x2C),
("3D_LOAD_VBPNTR", 0x2F),
("INDX_BUFFER", 0x33),
("3D_DRAW_VBUF_2", 0x34),
("3D_DRAW_IMMD_2", 0x35),
("3D_DRAW_INDX_2", 0x36),
("3D_CLEAR_HIZ", 0x37),
("3D_DRAW_128", 0x39),
])
opcode_name = f"{it_opcode:02x}" if it_opcode not in opcode_names else opcode_names[it_opcode]
registers = {
"3D_DRAW_VBUF": ["VAP_VTX_FMT", "VAP_VF_CNTL"],
"3D_DRAW_IMMD": ["VAP_VTX_FMT", "VAP_VF_CNTL"],
"3D_DRAW_INDX": ["VAP_VTX_FMT", "VAP_VF_CNTL"],
"3D_LOAD_VBPNTR": ["VAP_VTX_NUM_ARRAYS",
"VAP_VTX_AOS_ATTR01",
"VAP_VTX_AOS_ADDR0",
"VAP_VTX_AOS_ADDR1",
"VAP_VTX_AOS_ATTR23",
"VAP_VTX_AOS_ADDR2",
"VAP_VTX_AOS_ADDR3",
"VAP_VTX_AOS_ATTR45",
"VAP_VTX_AOS_ADDR4",
"VAP_VTX_AOS_ADDR5",
"VAP_VTX_AOS_ATTR67",
"VAP_VTX_AOS_ADDR6",
"VAP_VTX_AOS_ADDR7",
"VAP_VTX_AOS_ATTR89",
"VAP_VTX_AOS_ADDR8",
"VAP_VTX_AOS_ADDR9",
"VAP_VTX_AOS_ATTR1011",
"VAP_VTX_AOS_ADDR10",
"VAP_VTX_AOS_ADDR11",
"VAP_VTX_AOS_ATTR1213",
"VAP_VTX_AOS_ADDR12",
"VAP_VTX_AOS_ADDR13",
"VAP_VTX_AOS_ATTR1415",
"VAP_VTX_AOS_ADDR14",
"VAP_VTX_AOS_ADDR15"],
"INDX_BUFFER": [(("ONE_REG_WR", (31, 31)), ("SKIP_COUNT", (18, 16)), ("DESTINATION", (12, 0))),
(("BUFFER_BASE", (31, 0)),),
(("BUFFER_SIZE", (31, 0)),)],
"3D_DRAW_VBUF_2": ["VAP_VF_CNTL"],
"3D_DRAW_IMMD_2": ["VAP_VF_CNTL"],
"3D_DRAW_INDX_2": ["VAP_VF_CNTL"],
}
print(f"type 3: op:{opcode_name} count:{count:04x}")
ix = 0
while count >= 0: while count >= 0:
value = self.consume() value = self.consume()
print(f" {value:08x}") if opcode_name in registers and ix < len(registers[opcode_name]):
register_name = registers[opcode_name][ix]
if type(register_name) is str:
if "_AOS_ATTR" in register_name:
decode_print(register_name[:-2], value, paren=True, display_register_name=register_name)
elif "_AOS_ADDR" in register_name:
decode_print(register_name[:-1], value, paren=True, display_register_name=register_name)
else:
decode_print(register_name, value, paren=True)
else:
print(f" ({opcode_name}__{ix})")
for i, desc in enumerate(register_name):
eq_bar = '=' if i == 0 else '|'
d_name, (high, low) = desc
mask = (1 << ((high - low) + 1)) - 1
v = (value >> low) & mask
print(f' {eq_bar} {opcode_name}__{ix}__{d_name}({v})')
else:
print(f" {value:08x}")
count -= 1 count -= 1
ix += 1
def packet(self): def packet(self):
value = self.peek() value = self.peek()