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  • 智核速启队
  • OSKernel2025-SC7
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  • !10

[Merge] 虚拟内存 walk mappage

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Merged 智核速启队 requested to merge ly into master Apr 03, 2025
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[todo] 映射进程栈,实现copyin , copyout , copyinstr 对于loongarch来说,在walk和mappage等映射函数时需要注意:

  1. 在页表中找到页表项的地址时,用&提取出值时,提取的是物理地址,需要to_vir转化为虚拟地址接下来寻找下一级
  2. 在写入页表项时,高位为物理地址,低位为Flag,由于新页是从PMM申请而来,目前地址高位为9,需要to_phy转化为物理地址
  3. 在访问不能访问的地址时,gdb会卡住
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Source branch: ly