mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-08 00:00:16 +02:00
Ryan Houdek
f5935b4006
Two added failure modes here. If the disk cache version has changed then the json files must be updated to the new version to ensure correct tracking. Additional failure mode is that codegen actually changed but the disk cache version hasn't. This is the expected common failure mode and we need to do additional work before updating json results. This just means incrementing the disk cache version before updating the instcountci results. Have a fairly lengthy error message to showcase how much of an impact this might have.
267 lines
8.4 KiB
Python
Executable File
267 lines
8.4 KiB
Python
Executable File
#!/usr/bin/python3
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import base64
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from dataclasses import dataclass
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from enum import Flag
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import json
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import struct
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import sys
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import subprocess
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import os
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import logging
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logger = logging.getLogger()
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logger.setLevel(logging.ERROR)
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@dataclass
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class TestData:
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name: str
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expectedinstructioncount: int
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code: bytes
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instructions: list
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def __init__(self, Name, ExpectedInstructionCount, Code, Instructions):
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self.name = Name
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self.expectedinstructioncount = ExpectedInstructionCount
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self.code = Code
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self.instructions = Instructions
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@property
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def Name(self):
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return self.name
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@property
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def ExpectedInstructionCount(self):
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return self.expectedinstructioncount
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@property
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def Code(self):
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return self.code
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@property
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def Instructions(self):
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return self.instructions
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TestDataMap = {}
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class HostFeatures(Flag) :
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FEATURE_ANY = 0
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FEATURE_SVE128 = (1 << 0)
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FEATURE_SVE256 = (1 << 1)
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FEATURE_CLZERO = (1 << 2)
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FEATURE_RNG = (1 << 3)
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FEATURE_FCMA = (1 << 4)
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FEATURE_CSSC = (1 << 5)
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FEATURE_AFP = (1 << 6)
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FEATURE_RPRES = (1 << 7)
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FEATURE_FLAGM = (1 << 8)
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FEATURE_FLAGM2 = (1 << 9)
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FEATURE_CRYPTO = (1 << 10)
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FEATURE_AES256 = (1 << 11)
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FEATURE_SVEBITPERM = (1 << 12)
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FEATURE_TSO = (1 << 13)
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FEATURE_LRCPC = (1 << 14)
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FEATURE_LRCPC2 = (1 << 15)
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FEATURE_FRINTTS = (1 << 16)
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FEATURE_MOPS = (1 << 17)
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HostFeaturesLookup = {
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"SVE128" : HostFeatures.FEATURE_SVE128,
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"SVE256" : HostFeatures.FEATURE_SVE256,
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"CLZERO" : HostFeatures.FEATURE_CLZERO,
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"RNG" : HostFeatures.FEATURE_RNG,
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"FCMA" : HostFeatures.FEATURE_FCMA,
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"CSSC" : HostFeatures.FEATURE_CSSC,
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"AFP" : HostFeatures.FEATURE_AFP,
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"RPRES" : HostFeatures.FEATURE_RPRES,
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"FLAGM" : HostFeatures.FEATURE_FLAGM,
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"FLAGM2" : HostFeatures.FEATURE_FLAGM2,
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"CRYPTO" : HostFeatures.FEATURE_CRYPTO,
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"AES256" : HostFeatures.FEATURE_AES256,
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"SVEBITPERM" : HostFeatures.FEATURE_SVEBITPERM,
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"TSO" : HostFeatures.FEATURE_TSO,
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"LRCPC" : HostFeatures.FEATURE_LRCPC,
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"LRCPC2" : HostFeatures.FEATURE_LRCPC2,
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"FRINTTS" : HostFeatures.FEATURE_FRINTTS,
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"MOPS" : HostFeatures.FEATURE_MOPS,
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}
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def GetHostFeatures(data):
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HostFeaturesData = HostFeatures.FEATURE_ANY
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if not (type(data) is list):
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sys.exit("Features value must be list of features")
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for data_key in data:
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data_key = data_key.upper()
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if not (data_key in HostFeaturesLookup):
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sys.exit("Invalid host feature")
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HostFeaturesData |= HostFeaturesLookup[data_key]
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return HostFeaturesData
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def parse_json_data(json_filepath, json_filename, json_data, output_binary_path):
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BinaryCacheVersion = 0
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Bitness = 64
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EnabledHostFeatures = HostFeatures.FEATURE_ANY
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DisabledHostFeatures = HostFeatures.FEATURE_ANY
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OptionEnvironmentVariables = {}
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if "Features" in json_data:
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items = json_data["Features"]
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if ("Bitness" in items):
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Bitness = int(items["Bitness"])
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if ("BinaryCacheVersion" in items):
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BinaryCacheVersion = int(items["BinaryCacheVersion"])
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if ("EnabledHostFeatures" in items):
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EnabledHostFeatures = GetHostFeatures(items["EnabledHostFeatures"])
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if ("DisabledHostFeatures" in items):
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DisabledHostFeatures = GetHostFeatures(items["DisabledHostFeatures"])
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if ("Env" in items):
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data = items["Env"]
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if not (type(data) is dict):
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sys.exit("Environment variables value must be list of key:value pairs")
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for data_key, data_val in data.items():
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OptionEnvironmentVariables[data_key] = data_val
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for key, items in json_data["Instructions"].items():
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ExpectedInstructionCount = 0
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Instructions = []
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if ("ExpectedInstructionCount" in items):
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ExpectedInstructionCount = int(items["ExpectedInstructionCount"])
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if ("Skip" in items):
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if items["Skip"].upper() == "YES":
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continue
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if "x86Insts" in items:
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Instructions = items["x86Insts"]
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else:
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# No list of instructions, only one which is the key.
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Instructions.append(key)
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TestName = base64.b64encode("{}.{}.{}".format(str(hash(json_filepath)), json_filename, key).encode("ascii")).decode("ascii")
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tmp_asm = "/tmp/{}.asm".format(TestName)
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tmp_asm_out = "/tmp/{}.asm.o".format(TestName)
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logging.info("'{}' -> '{}' -> '{}'".format(key, tmp_asm, tmp_asm_out))
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if TestName in TestDataMap:
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sys.exit("Duplicate test name {} in tests".format(TestName))
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with open(tmp_asm, "w") as tmp_asm_file:
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tmp_asm_file.write("BITS {};\n".format(Bitness))
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for Inst in Instructions:
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tmp_asm_file.write("{}\n".format(Inst))
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Process = subprocess.Popen(["nasm", tmp_asm, "-o", tmp_asm_out])
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Process.wait()
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ResultCode = Process.returncode
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if ResultCode != 0:
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os.remove(tmp_asm)
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logging.error("Nasm failed to execute")
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logging.error("Couldn't compile: '{}'".format(key))
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return ResultCode
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if not os.path.exists(tmp_asm_out):
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logging.error("Nasm didn't emit code?")
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os.remove(tmp_asm)
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return 1
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logging.info("Generated asm file")
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with open(tmp_asm_out, "rb") as tmp_asm_out_file:
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binary_hex = tmp_asm_out_file.read()
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TestDataMap[TestName] = TestData(key, ExpectedInstructionCount, binary_hex, Instructions)
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os.remove(tmp_asm)
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os.remove(tmp_asm_out)
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# Output the test data as follows
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# struct TestInfo;
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# struct DataHeader {
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# uint64_t Bitness;
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# uint64_t BinaryCacheVersion;
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# uint64_t NumTests;
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# uint64_t EnabledHostFeatures;
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# uint64_t DisabledHostFeatures;
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# uint64_t EnvironmentVariableCount;
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# char env[];
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# TestInfo Tests[NumTests];
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# };
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# struct TestInfo {
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# char InstName[128];
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# int64_t ExpectedInstructionCount;
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# uint64_t CodeSize;
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# uint64_t x86InstCount;
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# uint32_t Cookie;
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# uint8_t Code[CodeSize];
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# };
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MemData = bytes()
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# Add the header
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MemData += struct.pack('Q', Bitness)
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MemData += struct.pack('Q', BinaryCacheVersion)
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MemData += struct.pack('Q', len(TestDataMap))
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MemData += struct.pack('Q', EnabledHostFeatures.value)
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MemData += struct.pack('Q', DisabledHostFeatures.value)
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MemData += struct.pack('Q', len(OptionEnvironmentVariables.items()))
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# Write environment variables
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for key, val in OptionEnvironmentVariables.items():
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MemData += key.encode()
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MemData += struct.pack('B', 0)
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MemData += val.encode()
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MemData += struct.pack('B', 0)
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# Add each test
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for key, item in TestDataMap.items():
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MemData += struct.pack('128s', item.Name.encode("ascii"))
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MemData += struct.pack('q', item.ExpectedInstructionCount)
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MemData += struct.pack('Q', len(item.Code))
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MemData += struct.pack('Q', len(item.Instructions))
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MemData += struct.pack('I', 0x41424344)
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MemData += item.Code
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logging.info("Code goign to {}".format(output_binary_path))
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with open(output_binary_path, "wb") as output_binary_file:
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output_binary_file.write(MemData)
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return 0
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def main():
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if sys.version_info[0] < 3:
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logging.critical ("Python 3 or a more recent version is required.")
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if (len(sys.argv) < 3):
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logging.critical ("usage: %s <PerformanceTests.json> <output_folder>" % (sys.argv[0]))
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json_path = sys.argv[1]
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output_binary_path = sys.argv[2]
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try:
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with open(json_path) as json_file:
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json_text = json_file.read()
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except IOError:
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logging.error("IOError!")
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return 1
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try:
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json_data = json.loads(json_text)
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if not isinstance(json_data, dict):
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raise TypeError('JSON data must be a dict')
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return parse_json_data(json_path, os.path.basename(json_path), json_data, output_binary_path)
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except ValueError as ve:
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logging.error(f'JSON error: {ve}')
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return 1
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return 0
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if __name__ == "__main__":
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# execute only if run as a script
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sys.exit(main())
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