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  • 智核速启队
  • OSKernel2025-SC7
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  • !51

[feat] 实现la busybox!

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Merged 智核速启队 requested to merge ly into master May 18, 2025
  • Overview 0
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  • Changes 14

[fix] syscall的返回值需要为uint64 如果为int会导致高位截断

  1. 修改syscall中ret的类型为uint64
  2. 修改alloc_vma 分配mmap区域时从p->sz开始扩展,并增加p->sz
  3. exec 是设置p->virt_addr为entry , freepagetable时从p->virt_addr开始释放p->sz - p->virt_addr的空间
  4. sys_brk 时 uvmalloc时需要设置页为PTE_D,否则会PME Ecode=0x4, EsubCode=0x0 类型=PME, 描述: 页修改例外 [ERROR][hsai_trap.c:507] era=0x000000012018b688 badi=0x0000000029c26061 badv=0x00000001201ff000 crmd=b0
  5. 跑basic时不映射低地址,busybox时映射低地址
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Source branch: ly