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1.device id和vendor的值均可以在你的启动代码中进行配置。具体显示的值要看你的少些的启动程序中具体设置的是多少。
2.magic_addr的值在boot后不会自动清零。
vendor初始值是104Ch,但是可以通过internal bus 修改的
pcie启动的资料可以参考bootloader userguide, 或者阅读boot rom的源代码了解详细过程