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Code Issues Releases Wiki Activity

new: 引入vmarea

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fslongjin
2022-08-12 18:27:34 +08:00
parent aa1046afae
commit 642fa1def8
5 changed files with 235 additions and 130 deletions
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kernel/mm/mm.c
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@ -586,8 +586,7 @@ uint64_t mm_do_brk(uint64_t old_brk_end_addr, int64_t offset)
{
for (uint64_t i = old_brk_end_addr; i < end_addr; i += PAGE_2M_SIZE)
{
// kdebug("map [%#018lx]", i);
mm_map_proc_page_table((uint64_t)current_pcb->mm->pgd, true, i, alloc_pages(ZONE_NORMAL, 1, PAGE_PGT_MAPPED)->addr_phys, PAGE_2M_SIZE, PAGE_USER_PAGE, true, true, false);
mm_map_vma(current_pcb->mm,i, PAGE_2M_SIZE, alloc_pages(ZONE_NORMAL, 1, PAGE_PGT_MAPPED)->addr_phys, VM_USER|VM_ACCESS_FLAGS, NULL);
}
current_pcb->mm->brk_end = end_addr;
}