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feat(virtio): riscv: 添加virtio-blk driver,并在riscv下能够正确挂载FAT32 (#761)

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This commit is contained in:
LoGin
2024-04-23 17:19:54 +08:00
committed by GitHub
parent 0c1ef30087
commit 731bc2b32d
27 changed files with 998 additions and 124 deletions
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9
kernel/src/mm/page.rs
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@ -676,6 +676,11 @@ impl<Arch: MemoryManagementArch> PageFlags<Arch> {
return self.update_flags(Arch::ENTRY_FLAG_WRITE_THROUGH, value);
}
#[inline(always)]
pub fn set_page_global(self, value: bool) -> Self {
return self.update_flags(MMArch::ENTRY_FLAG_GLOBAL, value);
}
/// 获取当前页表项的写穿策略
///
/// ## 返回值
@ -724,7 +729,8 @@ impl<Arch: MemoryManagementArch> PageFlags<Arch> {
.set_write(true)
.set_execute(true)
.set_page_cache_disable(true)
.set_page_write_through(true);
.set_page_write_through(true)
.set_page_global(true);
}
}
@ -1099,6 +1105,7 @@ impl<Arch: MemoryManagementArch, F: FrameAllocator> PageMapper<Arch, F> {
return self
.visit(virt, |p1, i| {
let mut entry = p1.entry(i)?;
entry.set_flags(flags);
p1.set_entry(i, entry);
Some(PageFlush::new(virt))