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Remove the shim kernel crate

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This commit is contained in:
Zhang Junyang
2024-08-19 19:15:22 +08:00
committed by Tate, Hongliang Tian
parent d76c7a5b1e
commit dafd16075f
416 changed files with 231 additions and 273 deletions
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15
kernel/src/syscall/munmap.rs Normal file
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@ -0,0 +1,15 @@
// SPDX-License-Identifier: MPL-2.0
use align_ext::AlignExt;
use super::SyscallReturn;
use crate::prelude::*;
pub fn sys_munmap(addr: Vaddr, len: usize, ctx: &Context) -> Result<SyscallReturn> {
debug!("addr = 0x{:x}, len = {}", addr, len);
let root_vmar = ctx.process.root_vmar();
let len = len.align_up(PAGE_SIZE);
debug!("unmap range = 0x{:x} - 0x{:x}", addr, addr + len);
root_vmar.destroy(addr..addr + len)?;
Ok(SyscallReturn::Return(0))
}