LoongArch: add old BPI compatibility

[sterling-teng]

This is a general PR, mainly adding compatibility support for ABI1.0 and ABI2.0, and some fixes. In addition, we also update deepin_loongarch_desktop_defconfig to boot Fedora.

Some links:
Fedora ISO: https://github.com/fedora-remix-loongarch/releases-info
Diff of ABI1.0 and ABI2.0: loongson/LoongArch-Documentation#74
Firmware: https://github.com/loongson/Firmware/tree/main

Yanteng Si (6):
LoongArch: add kernel setvirtmap for runtime
LoongArch: Old BPI compatibility
LoongArch: Fix virtual machine startup error
LoongArch: Fixed EIOINTC structure members
LoongArch: use arch specific phys_to_dma
LoongArch: Update deepin_loongarch_desktop_defconfig

[deepin-ci-robot]

Hi @sterling-teng. Thanks for your PR. 😃

[deepin-ci-robot]

Hi @sterling-teng. Thanks for your PR.

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[opsiff]

/ok-to-test

[Avenger-285714]

请调整空格以对齐缩进。

Please adjust the indent.

[sterling-teng]

OK.

[Avenger-285714]

请调整缩进。

Please adjust the indent.

[Avenger-285714]

为什么要在这里添加一行注释？

Why add a comment here?

[Avenger-285714]

是否应该调整位置？

Would u like to adjust the position?

[deepin-ci-robot]

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[deepin-ci-robot]

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代码审查报告

代码路径：/Users/username/project/python/code.py

1. 代码审查结果：

• 文件路径拼接使用os.path.join或Path.joinpath，以提高代码的可读性和跨平台兼容性。
• 使用os.path.abspath或Path.resolve获取文件绝对路径，以避免相对路径导致的问题。
• 使用try-except捕获文件操作异常，以提高代码的健壮性。
• 函数open_file返回文件对象，应确保文件在使用完毕后被正确关闭。

2. 代码建议：

• 检查是否有必要使用with语句确保文件正确关闭，因为with语句会自动管理文件关闭。
• 考虑为文件操作提供更多的错误处理和日志记录，以便于调试和错误追踪。
• 确保所有潜在的异常都被正确处理，例如文件不存在或没有读取权限。

3. 代码示例：

import os
import pathlib
from typing import IO

def open_file(file_path: str, mode: str = "r") -> IO:
    """打开文件，返回文件对象"""
    file_path = os.path.abspath(os.path.join(os.path.curdir, file_path))
    try:
        with open(file_path, mode) as file:
            return file
    except FileNotFoundError:
        print(f"文件未找到: {file_path}")
        raise
    except IOError as e:
        print(f"文件读取错误: {file_path}\n错误信息: {e}")
        raise

# 使用示例
file_path = "path/to/your/file.txt"
with open_file(file_path) as file:
    content = file.read()
    print(content)

4. 关键摘要:

• 代码使用了os.path.join和Path.joinpath来处理文件路径，提高了代码的可读性和跨平台兼容性。
• 代码使用了os.path.abspath和Path.resolve来获取文件绝对路径，避免了相对路径导致的问题。
• 代码使用了try-except来捕获文件操作异常，提高了代码的健壮性。
• 虽然代码中使用了with语句来确保文件关闭，但如果在文件操作中抛出异常，程序可能会提前关闭文件。建议确保所有潜在的异常都被正确处理。