telescan2rw1c-or-rw1
This commit is contained in:
commit
9fea2cea68
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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tlscan2pcileech_coe.py
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将 TLScan 的 .tlscan 文件转换成 PCILeech 所需的 COE 格式
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用法：
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python tlscan2pcileech_coe.py input.tlscan
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结果：
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同目录下生成 input_rw1.coe 和 input_rw1c.coe
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"""
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import os
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import sys
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import datetime
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import xml.etree.ElementTree as ET
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# ---------- 参数 ----------
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if len(sys.argv) < 2:
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print("用法: python tlscan2pcileech_coe.py <xxx.tlscan>")
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sys.exit(1)
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src = sys.argv[1]
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base, _ = os.path.splitext(src)
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dst_rw1 = base + "_rw1.coe"
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dst_rw1c = base + "_rw1c.coe"
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# ---------- 读取 TLScan ----------
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try:
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bs_hex = ET.parse(src).find('.//bytes').text
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except Exception as e:
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sys.exit(f"解析 TLScan 文件失败: {e}")
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bs_hex = ''.join(bs_hex.split())
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if len(bs_hex) != 8192: # 4096 字节 => 8192 字符
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sys.exit(f"期望 8192 个十六进制字符，实际 {len(bs_hex)}")
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# ---------- 生成掩码 ----------
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# 4096 字节 => 1024 个 dword
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words_rw1 = [0] * 1024
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words_rw1c = [0] * 1024
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for i in range(4096):
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val = int(bs_hex[i*2:i*2+2], 16)
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# 简易规则：0x01 视为 RW1C/RW1CS
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if val != 0x00:
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words_rw1[i//4] |= 1 << ((i % 4) * 8)
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if val == 0x01:
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words_rw1c[i//4] |= 1 << ((i % 4) * 8)
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# ---------- 写 COE ----------
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def write_coe(path, words):
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with open(path, 'w') as f:
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f.write(f'; Converted to COE from "{src}" on {datetime.datetime.now()}\n')
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f.write('memory_initialization_radix=16;\nmemory_initialization_vector=\n')
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for blk in range(16):
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offset = blk * 256
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f.write(f'; {offset:04x}\n')
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for line in range(16):
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idx = blk * 64 + line * 4
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line_words = [words[idx + j] for j in range(4)]
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f.write(','.join(f'{w:08x}' for w in line_words) + ',\n')
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# 去掉最后一个逗号
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f.seek(f.tell() - 2, os.SEEK_SET) # 回退 2 字节（,\n）
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f.truncate()
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f.write('\n;\n')
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write_coe(dst_rw1, words_rw1)
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write_coe(dst_rw1c, words_rw1c)
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print(f'已生成:\n {dst_rw1}\n {dst_rw1c}')
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@ -0,0 +1,310 @@
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import re
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write_protected_bits_PCIE = (
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"00000f00", # 1
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"00000010", # 2
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"ff7f0f00", # 3
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"00000000", # 4
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"cb0d00c0", # 5
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"00000000", # 6
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"0000ffff", # 7
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"00000000", # 8
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"00000000", # 9
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"00000000", # 10
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"ff7f0000", # 11
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"00000000", # 12
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"bfff2000", # 13
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)
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write_protected_bits_PM = (
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"00000000", # 1
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"00000000", # 2
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)
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write_protected_bits_MSI = (
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"0000f104", # 1
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"03000000", # 2
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"00000000", # 3
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"00000000", # 4
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"00000000", # 5
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"00000000", # 6
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"00000000", # 7
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"ffff0000", # 8
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)
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write_protected_bits_MSIX = (
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"000000c0", # 1
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"00000000", # 2
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"00000000", # 3
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)
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write_protected_bits_VPD = ("00000000",)
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write_protected_bits_VSC = (
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"000000ff", # 1
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"ffffffff", # 2
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"00000000", # 3
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)
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write_protected_bits_PTH = ("00000000",)
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write_protected_bits_VSEC = (
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"00000000", # 1
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"00000000", # 2
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"ffffffff", # 3
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"ffffffff", # 4
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)
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write_protected_bits_AER = (
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"00000000", # 1
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"31f0ff07", # 2
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"31f0ff07", # 3
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"31f0ff07", # 4
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"c1f10000", # 5
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"c1f10000", # 6
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"40050000", # 7
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"00000000", # 8
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"00000000", # 9
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"00000000", # 10
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"00000000", # 11
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)
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write_protected_bits_DSN = (
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"00000000", # 1
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"00000000", # 2
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"00000000", # 3
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)
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write_protected_bits_LTR = (
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"00000000", # 1
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"00000000", # 2
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)
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write_protected_bits_L1PM = (
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"00000000", # 1
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"00000000", # 2
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"3f00ffe3", # 3
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"fb000000", # 4
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)
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write_protected_bits_PTM = (
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"00000000", # 1
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"00000000", # 2
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"00000000", # 3
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"03ff0000", # 4
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)
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CAPABILITY_NAMES = {
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0x01: "power management",
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0x02: "AGP",
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0x03: "VPD",
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0x04: "slot identification",
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0x05: "MSI",
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0x06: "compact PCI hot swap",
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0x07: "PCI-X",
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0x08: "hyper transport",
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0x09: "vendor specific",
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0x0A: "debug port",
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0x0B: "compact PCI central resource control",
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0x0C: "PCI hot plug",
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0x0D: "PCI bridge subsystem vendor ID",
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0x0E: "AGP 8x",
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0x0F: "secure device",
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0x10: "PCI express",
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0x11: "MSI-X",
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0x12: "SATA data/index configuration",
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0x13: "advanced features",
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0x14: "enhanced allocation",
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0x15: "flattening portal bridge",
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}
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EXTENDED_CAPABILITY_NAMES = {
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0x0001: "advanced error reporting",
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0x0002: "virtual channel",
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0x0003: "device serial number",
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0x0004: "power budgeting",
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0x0005: "root complex link declaration",
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0x0006: "root complex internal link control",
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0x0007: "root complex event collector endpoint association",
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0x0008: "multi-function virtual channel",
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0x0009: "virtual channel",
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0x000A: "root complex register block",
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0x000B: "vendor specific",
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0x000C: "configuration access correlation",
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0x000D: "access control services",
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0x000E: "alternative routing-ID interpretation",
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0x000F: "address translation services",
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0x0010: "single root IO virtualization",
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0x0011: "multi-root IO virtualization",
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0x0012: "multicast",
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0x0013: "page request interface",
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0x0014: "AMD reserved",
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0x0015: "resizable BAR",
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0x0016: "dynamic power allocation",
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0x0017: "TPH requester",
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0x0018: "latency tolerance reporting",
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0x0019: "secondary PCI express",
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0x001A: "protocol multiplexing",
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0x001B: "process address space ID",
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0x001C: "LN requester",
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0x001D: "downstream port containment",
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0x001E: "L1 PM substates",
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0x001F: "precision time measurement",
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0x0020: "M-PCIe",
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0x0021: "FRS queueing",
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0x0022: "Readyness time reporting",
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0x0023: "designated vendor specific",
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0x0024: "VF resizable BAR",
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0x0025: "data link feature",
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0x0026: "physical layer 16.0 GT/s",
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0x0027: "receiver lane margining",
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0x0028: "hierarchy ID",
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0x0029: "native PCIe enclosure management",
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0x002A: "physical layer 32.0 GT/s",
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0x002B: "alternate protocol",
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0x002C: "system firmware intermediary",
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}
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fixed_section = [
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"00000000",
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"470500f9",
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"00000000",
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"ffff0040",
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"f0ffffff",
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"ffffffff",
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"f0ffffff",
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"ffffffff",
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"f0ffffff",
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"f0ffffff",
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"00000000",
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"00000000",
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"01f8ffff",
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"00000000",
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"00000000",
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"ff000000",
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]
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writemask_dict = {
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"0x10": write_protected_bits_PCIE,
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"0x03": write_protected_bits_VPD,
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"0x01": write_protected_bits_PM,
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"0x05": write_protected_bits_MSI,
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"0x11": write_protected_bits_MSIX,
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"0x09": write_protected_bits_VSC,
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"0x00A": write_protected_bits_VSEC,
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"0x0001": write_protected_bits_AER,
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"0x0003": write_protected_bits_DSN,
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"0x0018": write_protected_bits_LTR,
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"0x001E": write_protected_bits_L1PM,
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"0x000B": write_protected_bits_PTM,
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"0x0017": write_protected_bits_PTH,
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}
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def read_cfg_space(file_path):
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# 初始化一个空字典来存储dword映射
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dword_map = {}
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# 打开指定路径的文件并读取内容
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with open(file_path, "r") as file:
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content = file.read()
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# 使用正则表达式查找所有8位的十六进制数
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dwords = re.findall(r"[0-9a-fA-F]{8}", content)
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# 遍历找到的dword并存储到字典中，最多存储1024个
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for index, dword in enumerate(dwords):
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if index < 1024:
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dword_map[index] = int(dword, 16)
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# 返回dword映射字典
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return dword_map
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def locate_caps(dword_map):
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# 初始化一个空字典来存储能力
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capabilities = {}
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# 获取能力列表的起始位置
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start = dword_map[0x34 // 4] >> 24
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cap_location = start
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# 遍历能力列表，直到cap_location为0
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while cap_location != 0:
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cap_dword = dword_map[cap_location // 4]
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cap_id = (cap_dword >> 24) & 0xFF
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next_cap = (cap_dword >> 16) & 0xFF
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# 打印找到的能力ID和偏移量
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print(
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f"Found Cap ID: 0x{cap_id:02X}, Start offset: {hex(cap_location)}, Next cap offset: {hex(next_cap)}"
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)
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capabilities[f"0x{cap_id:02X}"] = cap_location
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cap_location = next_cap
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# 扩展能力的起始位置
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ext_cap_location = 0x100
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while ext_cap_location != 0:
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ext_cap_dword = dword_map[ext_cap_location // 4]
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# 将大端字节序转换为小端字节序
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ext_cap_dword_le = int.from_bytes(
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ext_cap_dword.to_bytes(4, byteorder="big"), byteorder="little"
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)
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ext_cap_id = ext_cap_dword_le & 0xFFFF
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next_ext_cap = (ext_cap_dword_le >> 20) & 0xFFF
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# 打印找到的扩展能力ID和偏移量
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print(
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f"Found Ext Cap ID: 0x{ext_cap_id:04X}, Start offset: {hex(ext_cap_location)}, Next cap offset: {hex(next_ext_cap)}"
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)
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capabilities[f"0x{ext_cap_id:04X}"] = ext_cap_location
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ext_cap_location = next_ext_cap
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# 返回能力字典
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return capabilities
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def create_wrmask(dwords):
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# 创建一个与dwords长度相同的掩码列表，初始值为"ffffffff"
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return ["ffffffff" for _ in dwords]
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def update_writemask(wr_mask, input, start_index):
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# 计算结束索引，确保不超过掩码列表的长度
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end_index = min(start_index + len(input), len(wr_mask))
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# 更新掩码列表中的部分值
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wr_mask[start_index:end_index] = input[: end_index - start_index]
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return wr_mask
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def main(file_in, file_out):
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# 读取配置空间文件并转换为字典
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cfg_space = read_cfg_space(file_in)
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# 定位能力并返回能力字典
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caps = locate_caps(cfg_space)
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# 创建初始的写掩码
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wr_mask = create_wrmask(cfg_space)
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# 更新写掩码的固定部分
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wr_mask = update_writemask(wr_mask, fixed_section, 0)
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# 遍历能力字典并更新写掩码
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for cap_id, cap_start in caps.items():
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if cap_id not in writemask_dict:
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print(f"Skipping cap {cap_id} as no writemask defined")
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continue
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section = writemask_dict.get(cap_id)
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cap_start_index = cap_start // 4
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wr_mask = update_writemask(wr_mask, section, cap_start_index)
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# 写入更新后的写掩码到输出文件
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new_line_index = 0
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|
with open(file_out, "w") as f:
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|
f.write(f"; {format(new_line_index, 'X').zfill(2) + '00'}\n")
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for i in range(0, len(wr_mask), 4):
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||||||
|
f.write(",".join(wr_mask[i : i + 4]) + ",\n")
|
||||||
|
if i >= 64 and (i) % 64 == 0:
|
||||||
|
f.write("\n")
|
||||||
|
new_line_index += 1
|
||||||
|
f.write(f"; {format(new_line_index, 'X').zfill(2) + '00'}\n")
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
main("./pcileech_cfgspace.coe", "pcileech_cfgspace_writemask.coe")
|
||||||
Loading…
Reference in New Issue