mirror of
https://github.com/panpaul/tiny_os
synced 2024-09-20 17:55:20 +08:00
355 lines
7.1 KiB
Rust
355 lines
7.1 KiB
Rust
use core::fmt::*;
|
|
use core::hash::*;
|
|
use core::num::*;
|
|
use core::ops::*;
|
|
|
|
#[inline(always)]
|
|
pub fn align_up(addr: usize, align: usize) -> usize {
|
|
(addr + align - 1) & !(align - 1)
|
|
}
|
|
|
|
#[inline(always)]
|
|
pub fn align_down(addr: usize, align: usize) -> usize {
|
|
addr & !(align - 1)
|
|
}
|
|
|
|
#[derive(Copy, Clone, Default, Eq, Ord, PartialOrd, PartialEq)]
|
|
pub struct PhysAddr(pub usize);
|
|
|
|
#[derive(Copy, Clone, Default, Eq, Ord, PartialOrd, PartialEq)]
|
|
pub struct VirtAddr(pub usize);
|
|
|
|
pub trait AddressOps {
|
|
fn as_mut_ptr<T>(&self) -> *mut T {
|
|
self.as_usize() as *mut T
|
|
}
|
|
fn as_u32(&self) -> u32;
|
|
fn as_u64(&self) -> u64;
|
|
fn as_usize(&self) -> usize;
|
|
fn as_non_zero_usize(&self) -> Option<NonZeroUsize>;
|
|
fn align_up<T>(&self, align: T) -> Self
|
|
where T: Into<usize>;
|
|
fn align_down<T>(&self, align: T) -> Self
|
|
where T: Into<usize>;
|
|
fn is_aligned<T>(&self, align: T) -> bool
|
|
where T: Into<usize> + Copy {
|
|
if align.into().is_power_of_two() {
|
|
self.as_usize() & (align.into() - 1) == 0
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
}
|
|
|
|
impl AddressOps for PhysAddr {
|
|
fn as_u32(&self) -> u32 {
|
|
self.0 as u32
|
|
}
|
|
|
|
fn as_u64(&self) -> u64 {
|
|
self.0 as u64
|
|
}
|
|
|
|
fn as_usize(&self) -> usize {
|
|
self.0
|
|
}
|
|
|
|
fn as_non_zero_usize(&self) -> Option<NonZeroUsize> {
|
|
NonZeroUsize::new(self.0)
|
|
}
|
|
|
|
fn align_up<T>(&self, align: T) -> Self
|
|
where T: Into<usize> {
|
|
PhysAddr(align_up(self.0, align.into()))
|
|
}
|
|
|
|
fn align_down<T>(&self, align: T) -> Self
|
|
where T: Into<usize> {
|
|
PhysAddr(align_down(self.0, align.into()))
|
|
}
|
|
}
|
|
|
|
impl AddressOps for VirtAddr {
|
|
fn as_u32(&self) -> u32 {
|
|
self.0 as u32
|
|
}
|
|
|
|
fn as_u64(&self) -> u64 {
|
|
self.0 as u64
|
|
}
|
|
|
|
fn as_usize(&self) -> usize {
|
|
self.0
|
|
}
|
|
|
|
fn as_non_zero_usize(&self) -> Option<NonZeroUsize> {
|
|
NonZeroUsize::new(self.0)
|
|
}
|
|
|
|
fn align_up<T>(&self, align: T) -> Self
|
|
where T: Into<usize> {
|
|
VirtAddr(align_up(self.0, align.into()))
|
|
}
|
|
|
|
fn align_down<T>(&self, align: T) -> Self
|
|
where T: Into<usize> {
|
|
VirtAddr(align_down(self.0, align.into()))
|
|
}
|
|
}
|
|
|
|
impl Add<usize> for PhysAddr {
|
|
type Output = Self;
|
|
|
|
fn add(self, rhs: usize) -> Self::Output {
|
|
Self(self.0 + rhs)
|
|
}
|
|
}
|
|
|
|
impl Add<PhysAddr> for PhysAddr {
|
|
type Output = Self;
|
|
|
|
fn add(self, rhs: PhysAddr) -> Self::Output {
|
|
Self(self.0 + rhs.0)
|
|
}
|
|
}
|
|
|
|
impl AddAssign<usize> for PhysAddr {
|
|
fn add_assign(&mut self, rhs: usize) {
|
|
*self = PhysAddr::from(self.0 + rhs);
|
|
}
|
|
}
|
|
|
|
impl AddAssign<PhysAddr> for PhysAddr {
|
|
fn add_assign(&mut self, rhs: PhysAddr) {
|
|
*self = PhysAddr::from(self.0 + rhs.0);
|
|
}
|
|
}
|
|
|
|
impl Sub<usize> for PhysAddr {
|
|
type Output = Self;
|
|
|
|
fn sub(self, rhs: usize) -> Self::Output {
|
|
PhysAddr(self.0 - rhs)
|
|
}
|
|
}
|
|
|
|
impl Sub<PhysAddr> for PhysAddr {
|
|
type Output = Self;
|
|
|
|
fn sub(self, rhs: PhysAddr) -> Self::Output {
|
|
PhysAddr(self.0 - rhs.0)
|
|
}
|
|
}
|
|
|
|
impl SubAssign<usize> for PhysAddr {
|
|
fn sub_assign(&mut self, rhs: usize) {
|
|
*self = PhysAddr::from(self.0 - rhs);
|
|
}
|
|
}
|
|
|
|
impl SubAssign<PhysAddr> for PhysAddr {
|
|
fn sub_assign(&mut self, rhs: PhysAddr) {
|
|
*self = PhysAddr::from(self.0 - rhs.0);
|
|
}
|
|
}
|
|
|
|
impl Add<usize> for VirtAddr {
|
|
type Output = Self;
|
|
|
|
fn add(self, rhs: usize) -> Self::Output {
|
|
Self(self.0 + rhs)
|
|
}
|
|
}
|
|
|
|
impl Add<VirtAddr> for VirtAddr {
|
|
type Output = Self;
|
|
|
|
fn add(self, rhs: VirtAddr) -> Self::Output {
|
|
Self(self.0 + rhs.0)
|
|
}
|
|
}
|
|
|
|
impl AddAssign<usize> for VirtAddr {
|
|
fn add_assign(&mut self, rhs: usize) {
|
|
*self = VirtAddr::from(self.0 + rhs);
|
|
}
|
|
}
|
|
|
|
impl AddAssign<VirtAddr> for VirtAddr {
|
|
fn add_assign(&mut self, rhs: VirtAddr) {
|
|
*self = VirtAddr::from(self.0 + rhs.0);
|
|
}
|
|
}
|
|
|
|
impl Sub<usize> for VirtAddr {
|
|
type Output = VirtAddr;
|
|
|
|
fn sub(self, rhs: usize) -> Self::Output {
|
|
VirtAddr(self.0 - rhs)
|
|
}
|
|
}
|
|
|
|
impl Sub<VirtAddr> for VirtAddr {
|
|
type Output = Self;
|
|
|
|
fn sub(self, rhs: VirtAddr) -> Self::Output {
|
|
VirtAddr(self.0 - rhs.0)
|
|
}
|
|
}
|
|
|
|
impl SubAssign<usize> for VirtAddr {
|
|
fn sub_assign(&mut self, rhs: usize) {
|
|
*self = VirtAddr::from(self.0 - rhs);
|
|
}
|
|
}
|
|
|
|
impl SubAssign<VirtAddr> for VirtAddr {
|
|
fn sub_assign(&mut self, rhs: VirtAddr) {
|
|
*self = VirtAddr::from(self.0 - rhs.0);
|
|
}
|
|
}
|
|
|
|
impl From<usize> for PhysAddr {
|
|
fn from(addr: usize) -> Self {
|
|
PhysAddr(addr)
|
|
}
|
|
}
|
|
|
|
impl From<NonZeroUsize> for PhysAddr {
|
|
fn from(addr: NonZeroUsize) -> Self {
|
|
PhysAddr(addr.get())
|
|
}
|
|
}
|
|
|
|
impl<T> From<*mut T> for PhysAddr {
|
|
fn from(addr: *mut T) -> Self {
|
|
PhysAddr(addr as usize)
|
|
}
|
|
}
|
|
|
|
impl<T> From<*const T> for PhysAddr {
|
|
fn from(addr: *const T) -> Self {
|
|
PhysAddr(addr as usize)
|
|
}
|
|
}
|
|
|
|
impl From<PhysAddr> for usize {
|
|
fn from(addr: PhysAddr) -> Self {
|
|
addr.0
|
|
}
|
|
}
|
|
|
|
impl From<PhysAddr> for NonZeroUsize {
|
|
fn from(addr: PhysAddr) -> Self {
|
|
NonZeroUsize::new(addr.0).unwrap()
|
|
}
|
|
}
|
|
|
|
impl<T> From<PhysAddr> for *mut T {
|
|
fn from(addr: PhysAddr) -> Self {
|
|
addr.0 as *mut T
|
|
}
|
|
}
|
|
|
|
impl From<usize> for VirtAddr {
|
|
fn from(addr: usize) -> Self {
|
|
VirtAddr(addr)
|
|
}
|
|
}
|
|
|
|
impl From<NonZeroUsize> for VirtAddr {
|
|
fn from(addr: NonZeroUsize) -> Self {
|
|
VirtAddr(addr.get())
|
|
}
|
|
}
|
|
|
|
impl<T> From<*mut T> for VirtAddr {
|
|
fn from(addr: *mut T) -> Self {
|
|
VirtAddr(addr as usize)
|
|
}
|
|
}
|
|
|
|
impl<T> From<*const T> for VirtAddr {
|
|
fn from(addr: *const T) -> Self {
|
|
VirtAddr(addr as usize)
|
|
}
|
|
}
|
|
|
|
impl From<VirtAddr> for usize {
|
|
fn from(addr: VirtAddr) -> Self {
|
|
addr.0
|
|
}
|
|
}
|
|
|
|
impl From<VirtAddr> for NonZeroUsize {
|
|
fn from(addr: VirtAddr) -> Self {
|
|
NonZeroUsize::new(addr.0).unwrap()
|
|
}
|
|
}
|
|
|
|
impl<T> From<VirtAddr> for *mut T {
|
|
fn from(addr: VirtAddr) -> Self {
|
|
addr.0 as *mut T
|
|
}
|
|
}
|
|
|
|
impl Debug for PhysAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "PhysAddr({:#x})", self.0)
|
|
}
|
|
}
|
|
|
|
impl Display for PhysAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "{:#x}", self.0)
|
|
}
|
|
}
|
|
|
|
impl LowerHex for PhysAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "{:#x}", self.0)
|
|
}
|
|
}
|
|
|
|
impl UpperHex for PhysAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "{:#X}", self.0)
|
|
}
|
|
}
|
|
|
|
impl Debug for VirtAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "VirtAddr({:#x})", self.0)
|
|
}
|
|
}
|
|
|
|
impl Display for VirtAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "{:#x}", self.0)
|
|
}
|
|
}
|
|
|
|
impl LowerHex for VirtAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "{:#x}", self.0)
|
|
}
|
|
}
|
|
|
|
impl UpperHex for VirtAddr {
|
|
fn fmt(&self, f: &mut Formatter) -> Result {
|
|
write!(f, "{:#X}", self.0)
|
|
}
|
|
}
|
|
|
|
impl Hash for PhysAddr {
|
|
fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
|
|
self.0.hash(state);
|
|
}
|
|
}
|
|
|
|
impl Hash for VirtAddr {
|
|
fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
|
|
self.0.hash(state);
|
|
}
|
|
}
|