mirror of
https://github.com/panpaul/tiny_os
synced 2024-09-20 09:45:19 +08:00
merge: merge branch try/no-cell
into dev
This commit is contained in:
commit
7ab1c29eaa
@ -1,5 +1,4 @@
|
|||||||
use crate::objects::*;
|
use crate::objects::*;
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||||||
use core::cell::Cell;
|
|
||||||
use core::fmt::Debug;
|
use core::fmt::Debug;
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||||||
use uapi::cap::ObjectType;
|
use uapi::cap::ObjectType;
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||||||
use utils::addr::PhysAddr;
|
use utils::addr::PhysAddr;
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||||||
@ -31,10 +30,20 @@ impl RawCap {
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|||||||
cap_type,
|
cap_type,
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||||||
}
|
}
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||||||
}
|
}
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||||||
|
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||||||
|
/// modify the capability
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||||||
|
/// # Safety
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||||||
|
/// This function breaks the safety rules of Rust, race condition may occur
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||||||
|
pub unsafe fn update<F>(&self, f: F) -> &Self
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||||||
|
where F: FnOnce(&mut Self) {
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||||||
|
#[allow(invalid_reference_casting)]
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||||||
|
f(unsafe { &mut *(self as *const _ as *mut Self) });
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||||||
|
self
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||||||
|
}
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||||||
}
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}
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|
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pub struct CapEntry {
|
pub struct CapEntry {
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pub cap: Cell<RawCap>,
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pub cap: RawCap,
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pub link: Link<Self>,
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pub link: Link<Self>,
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||||||
}
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}
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|
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@ -43,20 +52,20 @@ LinkHelperImpl!(CapEntry: link);
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impl CapEntry {
|
impl CapEntry {
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pub fn new(cap: RawCap) -> Self {
|
pub fn new(cap: RawCap) -> Self {
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Self {
|
Self {
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cap: Cell::new(cap),
|
cap,
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link: Link::default(),
|
link: Link::default(),
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||||||
}
|
}
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}
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}
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|
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pub fn init(&mut self) {
|
pub fn init(&mut self) {
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self.cap = Cell::new(NullCap::mint());
|
self.cap = NullCap::mint();
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self.link = Link::default();
|
self.link = Link::default();
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||||||
}
|
}
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||||||
}
|
}
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||||||
|
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||||||
impl Clone for CapEntry {
|
impl Clone for CapEntry {
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fn clone(&self) -> Self {
|
fn clone(&self) -> Self {
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let mut cte = Self::new(self.cap.get());
|
let mut cte = Self::new(self.cap);
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cte.link = self.link.clone();
|
cte.link = self.link.clone();
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cte
|
cte
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||||||
}
|
}
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||||||
@ -70,7 +79,7 @@ impl From<RawCap> for CapEntry {
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|||||||
|
|
||||||
impl Debug for CapEntry {
|
impl Debug for CapEntry {
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||||||
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
|
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
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||||||
let cap_type = self.cap.get().cap_type;
|
let cap_type = self.cap.cap_type;
|
||||||
match cap_type {
|
match cap_type {
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ObjectType::CNode => write!(f, "{:?}", CNodeCap::try_from(self)),
|
ObjectType::CNode => write!(f, "{:?}", CNodeCap::try_from(self)),
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||||||
ObjectType::Frame => write!(f, "{:?}", FrameCap::try_from(self)),
|
ObjectType::Frame => write!(f, "{:?}", FrameCap::try_from(self)),
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||||||
|
@ -56,15 +56,15 @@ impl<'a> CNodeCap<'a> {
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|||||||
}
|
}
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||||||
|
|
||||||
fn radix_bits(&self) -> usize {
|
fn radix_bits(&self) -> usize {
|
||||||
(self.cte.cap.get().args[0] >> Self::RADIX_OFFSET) & Self::RADIX_MASK
|
(self.cte.cap.args[0] >> Self::RADIX_OFFSET) & Self::RADIX_MASK
|
||||||
}
|
}
|
||||||
|
|
||||||
fn guard_bits(&self) -> usize {
|
fn guard_bits(&self) -> usize {
|
||||||
(self.cte.cap.get().args[0] >> Self::GUARD_SIZE_OFFSET) & Self::GUARD_SIZE_MASK
|
(self.cte.cap.args[0] >> Self::GUARD_SIZE_OFFSET) & Self::GUARD_SIZE_MASK
|
||||||
}
|
}
|
||||||
|
|
||||||
fn guard(&self) -> usize {
|
fn guard(&self) -> usize {
|
||||||
self.cte.cap.get().args[1]
|
self.cte.cap.args[1]
|
||||||
}
|
}
|
||||||
|
|
||||||
/// CNodeObject length
|
/// CNodeObject length
|
||||||
@ -77,14 +77,14 @@ impl<'a> CNodeCap<'a> {
|
|||||||
|
|
||||||
pub fn as_object(&self) -> &CNodeObject {
|
pub fn as_object(&self) -> &CNodeObject {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
core::slice::from_raw_parts(virt.as_const_ptr(), self.length())
|
core::slice::from_raw_parts(virt.as_const_ptr(), self.length())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn as_object_mut(&mut self) -> &mut CNodeObject {
|
pub fn as_object_mut(&mut self) -> &mut CNodeObject {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
core::slice::from_raw_parts_mut(virt.as_mut_ptr(), self.length())
|
core::slice::from_raw_parts_mut(virt.as_mut_ptr(), self.length())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -142,7 +142,7 @@ impl Debug for CNodeCap<'_> {
|
|||||||
.field("guard_bits", &self.guard_bits())
|
.field("guard_bits", &self.guard_bits())
|
||||||
.field("guard", &self.guard())
|
.field("guard", &self.guard())
|
||||||
.field("length", &self.length())
|
.field("length", &self.length())
|
||||||
.field("ptr", &self.cte.cap.get().ptr)
|
.field("ptr", &self.cte.cap.ptr)
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||||||
.finish()
|
.finish()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -175,17 +175,18 @@ mod tests {
|
|||||||
cnode1.as_object_mut()[6] = cte2.clone();
|
cnode1.as_object_mut()[6] = cte2.clone();
|
||||||
cnode2.as_object_mut()[1] = cte3.clone();
|
cnode2.as_object_mut()[1] = cte3.clone();
|
||||||
cnode3.as_object_mut()[2] = NullCap::mint().into();
|
cnode3.as_object_mut()[2] = NullCap::mint().into();
|
||||||
cnode3.as_object_mut()[2].cap.update(|mut cap| {
|
unsafe {
|
||||||
cap.args[0] = 0xdeadbeef;
|
cnode3.as_object_mut()[2].cap.update(|cap| {
|
||||||
cap.args[1] = 0xaa55aa55;
|
cap.args[0] = 0xdeadbeef;
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||||||
cap
|
cap.args[1] = 0xaa55aa55;
|
||||||
});
|
});
|
||||||
|
}
|
||||||
|
|
||||||
{
|
{
|
||||||
// cte2.clone() cte3.clone() should not modify cte itself
|
// cte2.clone() cte3.clone() should not modify cte itself
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||||||
info!("Testing whether RawCap and Cap held the same cap");
|
info!("Testing whether RawCap and Cap held the same cap");
|
||||||
assert!(cnode2.cte.cap.get() == cte2.cap.get());
|
assert!(cnode2.cte.cap == cte2.cap);
|
||||||
assert!(cnode3.cte.cap.get() == cte3.cap.get());
|
assert!(cnode3.cte.cap == cte3.cap);
|
||||||
}
|
}
|
||||||
|
|
||||||
let root = cnode1;
|
let root = cnode1;
|
||||||
@ -212,7 +213,7 @@ mod tests {
|
|||||||
// * cnode2 length = 8
|
// * cnode2 length = 8
|
||||||
info!("Testing resolve to cte2");
|
info!("Testing resolve to cte2");
|
||||||
let target = root.resolve_address_bits(0x96, 8).unwrap();
|
let target = root.resolve_address_bits(0x96, 8).unwrap();
|
||||||
assert!(target.cap.get() == cte2.cap.get());
|
assert!(target.cap == cte2.cap);
|
||||||
}
|
}
|
||||||
|
|
||||||
{
|
{
|
||||||
@ -221,7 +222,7 @@ mod tests {
|
|||||||
// * cnode3 length = 15
|
// * cnode3 length = 15
|
||||||
info!("Testing resolve to cte3");
|
info!("Testing resolve to cte3");
|
||||||
let target = root.resolve_address_bits(0x4b31, 15).unwrap();
|
let target = root.resolve_address_bits(0x4b31, 15).unwrap();
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||||||
assert!(target.cap.get() == cte3.cap.get());
|
assert!(target.cap == cte3.cap);
|
||||||
}
|
}
|
||||||
|
|
||||||
{
|
{
|
||||||
@ -230,8 +231,8 @@ mod tests {
|
|||||||
// * target length = 21
|
// * target length = 21
|
||||||
info!("Testing resolve to target");
|
info!("Testing resolve to target");
|
||||||
let target = root.resolve_address_bits(0x12cc6a, 21).unwrap();
|
let target = root.resolve_address_bits(0x12cc6a, 21).unwrap();
|
||||||
assert!(target.cap.get().args[0] == 0xdeadbeef);
|
assert!(target.cap.args[0] == 0xdeadbeef);
|
||||||
assert!(target.cap.get().args[1] == 0xaa55aa55);
|
assert!(target.cap.args[1] == 0xaa55aa55);
|
||||||
}
|
}
|
||||||
|
|
||||||
{
|
{
|
||||||
|
@ -64,54 +64,56 @@ impl<'a> FrameCap<'a> {
|
|||||||
}
|
}
|
||||||
|
|
||||||
pub fn attr(&self) -> MapAttr {
|
pub fn attr(&self) -> MapAttr {
|
||||||
let bits = (self.cte.cap.get().args[0] >> Self::VM_RIGHT_OFFSET) & Self::VM_RIGHT_MASK;
|
let bits = (self.cte.cap.args[0] >> Self::VM_RIGHT_OFFSET) & Self::VM_RIGHT_MASK;
|
||||||
MapAttr::from_bits_truncate(bits)
|
MapAttr::from_bits_truncate(bits)
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn is_device(&self) -> bool {
|
pub fn is_device(&self) -> bool {
|
||||||
let bits = (self.cte.cap.get().args[0] >> Self::IS_DEVICE_OFFSET) & Self::IS_DEVICE_MASK;
|
let bits = (self.cte.cap.args[0] >> Self::IS_DEVICE_OFFSET) & Self::IS_DEVICE_MASK;
|
||||||
bits != 0
|
bits != 0
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn size(&self) -> usize {
|
pub fn size(&self) -> usize {
|
||||||
let bits = (self.cte.cap.get().args[0] >> Self::FRAME_SIZE_OFFSET) & Self::FRAME_SIZE_MASK;
|
let bits = (self.cte.cap.args[0] >> Self::FRAME_SIZE_OFFSET) & Self::FRAME_SIZE_MASK;
|
||||||
1 << bits
|
1 << bits
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn mapped_asid(&self) -> usize {
|
pub fn mapped_asid(&self) -> usize {
|
||||||
(self.cte.cap.get().args[0] >> Self::ASID_OFFSET) & Self::ASID_MASK
|
(self.cte.cap.args[0] >> Self::ASID_OFFSET) & Self::ASID_MASK
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_mapped_asid(&self, asid: usize) {
|
pub fn set_mapped_asid(&self, asid: usize) {
|
||||||
self.cte.cap.update(|mut cap| {
|
unsafe {
|
||||||
let asid = (asid & Self::ASID_MASK) << Self::ASID_OFFSET;
|
self.cte.cap.update(|cap| {
|
||||||
let arg0 = cap.args[0] & !(Self::ASID_MASK << Self::ASID_OFFSET);
|
let asid = (asid & Self::ASID_MASK) << Self::ASID_OFFSET;
|
||||||
cap.args[0] = arg0 | asid;
|
let arg0 = cap.args[0] & !(Self::ASID_MASK << Self::ASID_OFFSET);
|
||||||
cap
|
cap.args[0] = arg0 | asid;
|
||||||
});
|
})
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn mapped_vaddr(&self) -> VirtAddr {
|
pub fn mapped_vaddr(&self) -> VirtAddr {
|
||||||
VirtAddr(self.cte.cap.get().args[1])
|
VirtAddr(self.cte.cap.args[1])
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_mapped_vaddr(&self, vaddr: VirtAddr) {
|
pub fn set_mapped_vaddr(&self, vaddr: VirtAddr) {
|
||||||
self.cte.cap.update(|mut cap| {
|
unsafe {
|
||||||
cap.args[1] = vaddr.0;
|
self.cte.cap.update(|cap| {
|
||||||
cap
|
cap.args[1] = vaddr.0;
|
||||||
});
|
})
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn as_object(&self) -> &FrameObject {
|
pub fn as_object(&self) -> &FrameObject {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
core::slice::from_raw_parts(virt.as_const_ptr(), self.size())
|
core::slice::from_raw_parts(virt.as_const_ptr(), self.size())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn as_object_mut(&mut self) -> &mut FrameObject {
|
pub fn as_object_mut(&mut self) -> &mut FrameObject {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
core::slice::from_raw_parts_mut(virt.as_mut_ptr(), self.size())
|
core::slice::from_raw_parts_mut(virt.as_mut_ptr(), self.size())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -126,7 +128,7 @@ impl<'a> FrameCap<'a> {
|
|||||||
pub fn map<T: TableLevel>(&self, root: &mut Table<T>, vaddr: VirtAddr, attr: MapAttr) -> SysResult {
|
pub fn map<T: TableLevel>(&self, root: &mut Table<T>, vaddr: VirtAddr, attr: MapAttr) -> SysResult {
|
||||||
let masked_attr = attr & self.attr();
|
let masked_attr = attr & self.attr();
|
||||||
|
|
||||||
root.map(vaddr, self.cte.cap.get().ptr, masked_attr)?;
|
root.map(vaddr, self.cte.cap.ptr, masked_attr)?;
|
||||||
|
|
||||||
self.set_mapped_asid(0);
|
self.set_mapped_asid(0);
|
||||||
self.set_mapped_vaddr(vaddr);
|
self.set_mapped_vaddr(vaddr);
|
||||||
@ -141,7 +143,7 @@ impl<'a> FrameCap<'a> {
|
|||||||
}
|
}
|
||||||
|
|
||||||
match root.lookup_mut(vaddr) {
|
match root.lookup_mut(vaddr) {
|
||||||
Some(entry) if entry.is_leaf() && entry.paddr() == self.cte.cap.get().ptr => {
|
Some(entry) if entry.is_leaf() && entry.paddr() == self.cte.cap.ptr => {
|
||||||
entry.set_paddr(PhysAddr::default());
|
entry.set_paddr(PhysAddr::default());
|
||||||
entry.set_attr(MapAttr::empty());
|
entry.set_attr(MapAttr::empty());
|
||||||
|
|
||||||
@ -159,7 +161,7 @@ impl<'a> FrameCap<'a> {
|
|||||||
impl Debug for FrameCap<'_> {
|
impl Debug for FrameCap<'_> {
|
||||||
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
|
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
|
||||||
f.debug_struct("FrameCap")
|
f.debug_struct("FrameCap")
|
||||||
.field("ptr", &self.cte.cap.get().ptr)
|
.field("ptr", &self.cte.cap.ptr)
|
||||||
.field("size", &self.size())
|
.field("size", &self.size())
|
||||||
.field("attr", &self.attr())
|
.field("attr", &self.attr())
|
||||||
.field("is_device", &self.is_device())
|
.field("is_device", &self.is_device())
|
||||||
|
@ -48,7 +48,7 @@ impl<'a, T: KernelObject + ?Sized> TryFrom<&'a CapEntry> for Cap<'a, T> {
|
|||||||
type Error = SysError;
|
type Error = SysError;
|
||||||
|
|
||||||
fn try_from(new: &'a CapEntry) -> SysResult<Self> {
|
fn try_from(new: &'a CapEntry) -> SysResult<Self> {
|
||||||
if new.cap.get().cap_type != T::OBJ_TYPE {
|
if new.cap.cap_type != T::OBJ_TYPE {
|
||||||
Err(SysError::CapTypeMismatch)
|
Err(SysError::CapTypeMismatch)
|
||||||
} else {
|
} else {
|
||||||
Ok(Self {
|
Ok(Self {
|
||||||
|
@ -43,47 +43,50 @@ impl<'a> TableCap<'a> {
|
|||||||
}
|
}
|
||||||
|
|
||||||
pub fn is_mapped(&self) -> bool {
|
pub fn is_mapped(&self) -> bool {
|
||||||
let bits = (self.cte.cap.get().args[0] >> Self::IS_MAPPED_OFFSET) & Self::IS_MAPPED_MASK;
|
let bits = (self.cte.cap.args[0] >> Self::IS_MAPPED_OFFSET) & Self::IS_MAPPED_MASK;
|
||||||
bits != 0
|
bits != 0
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_mapped(&self, mapped: bool) {
|
pub fn set_mapped(&self, mapped: bool) {
|
||||||
self.cte.cap.update(|mut cap| {
|
unsafe {
|
||||||
let is_mapped = if mapped { 1 } else { 0 };
|
self.cte.cap.update(|cap| {
|
||||||
let bits = (is_mapped & Self::IS_MAPPED_MASK) << Self::IS_MAPPED_OFFSET;
|
let is_mapped = if mapped { 1 } else { 0 };
|
||||||
let arg0 = cap.args[0] & !(Self::IS_MAPPED_MASK << Self::IS_MAPPED_OFFSET);
|
let bits = (is_mapped & Self::IS_MAPPED_MASK) << Self::IS_MAPPED_OFFSET;
|
||||||
cap.args[0] = arg0 | bits;
|
let arg0 = cap.args[0] & !(Self::IS_MAPPED_MASK << Self::IS_MAPPED_OFFSET);
|
||||||
cap
|
cap.args[0] = arg0 | bits;
|
||||||
});
|
})
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn asid(&self) -> usize {
|
pub fn asid(&self) -> usize {
|
||||||
(self.cte.cap.get().args[0] >> Self::ASID_OFFSET) & Self::ASID_MASK
|
(self.cte.cap.args[0] >> Self::ASID_OFFSET) & Self::ASID_MASK
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_mapped_asid(&self, asid: usize) {
|
pub fn set_mapped_asid(&self, asid: usize) {
|
||||||
self.cte.cap.update(|mut cap| {
|
unsafe {
|
||||||
let bits = (asid & Self::ASID_MASK) << Self::ASID_OFFSET;
|
self.cte.cap.update(|cap| {
|
||||||
let arg0 = cap.args[0] & !(Self::ASID_MASK << Self::ASID_OFFSET);
|
let bits = (asid & Self::ASID_MASK) << Self::ASID_OFFSET;
|
||||||
cap.args[0] = arg0 | bits;
|
let arg0 = cap.args[0] & !(Self::ASID_MASK << Self::ASID_OFFSET);
|
||||||
cap
|
cap.args[0] = arg0 | bits;
|
||||||
});
|
})
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn mapped_vaddr(&self) -> VirtAddr {
|
pub fn mapped_vaddr(&self) -> VirtAddr {
|
||||||
VirtAddr(self.cte.cap.get().args[1])
|
VirtAddr(self.cte.cap.args[1])
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn set_mapped_vaddr(&self, vaddr: VirtAddr) {
|
pub fn set_mapped_vaddr(&self, vaddr: VirtAddr) {
|
||||||
self.cte.cap.update(|mut cap| {
|
unsafe {
|
||||||
cap.args[1] = vaddr.0;
|
self.cte.cap.update(|cap| {
|
||||||
cap
|
cap.args[1] = vaddr.0;
|
||||||
});
|
})
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn as_object<T: TableLevel>(&self) -> Table<T> {
|
pub fn as_object<T: TableLevel>(&self) -> Table<T> {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
Table::new(virt)
|
Table::new(virt)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -94,14 +97,14 @@ impl<'a> TableCap<'a> {
|
|||||||
|
|
||||||
pub fn clear<T: TableLevel>(&self) {
|
pub fn clear<T: TableLevel>(&self) {
|
||||||
let array: &mut [u8] = unsafe {
|
let array: &mut [u8] = unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
core::slice::from_raw_parts_mut(virt.as_mut_ptr(), T::ENTRIES * core::mem::size_of::<T::Entry>())
|
core::slice::from_raw_parts_mut(virt.as_mut_ptr(), T::ENTRIES * core::mem::size_of::<T::Entry>())
|
||||||
};
|
};
|
||||||
array.fill(0);
|
array.fill(0);
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn map<T: TableLevel>(&self, root: &mut Table<T>, vaddr: VirtAddr) -> SysResult {
|
pub fn map<T: TableLevel>(&self, root: &mut Table<T>, vaddr: VirtAddr) -> SysResult {
|
||||||
root.map(vaddr, self.cte.cap.get().ptr, MapAttr::PAGE_TABLE)?;
|
root.map(vaddr, self.cte.cap.ptr, MapAttr::PAGE_TABLE)?;
|
||||||
|
|
||||||
self.set_mapped_asid(0);
|
self.set_mapped_asid(0);
|
||||||
self.set_mapped_vaddr(vaddr);
|
self.set_mapped_vaddr(vaddr);
|
||||||
@ -116,7 +119,7 @@ impl<'a> TableCap<'a> {
|
|||||||
}
|
}
|
||||||
|
|
||||||
match root.lookup_mut(vaddr) {
|
match root.lookup_mut(vaddr) {
|
||||||
Some(entry) if !entry.is_leaf() && entry.paddr() == self.cte.cap.get().ptr => {
|
Some(entry) if !entry.is_leaf() && entry.paddr() == self.cte.cap.ptr => {
|
||||||
entry.set_paddr(PhysAddr::default());
|
entry.set_paddr(PhysAddr::default());
|
||||||
entry.set_attr(MapAttr::empty());
|
entry.set_attr(MapAttr::empty());
|
||||||
|
|
||||||
@ -133,6 +136,6 @@ impl<'a> TableCap<'a> {
|
|||||||
|
|
||||||
impl Debug for TableCap<'_> {
|
impl Debug for TableCap<'_> {
|
||||||
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
|
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
|
||||||
f.debug_struct("TableCap").field("ptr", &self.cte.cap.get().ptr).finish()
|
f.debug_struct("TableCap").field("ptr", &self.cte.cap.ptr).finish()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -149,14 +149,14 @@ impl<'a> TcbCap<'a> {
|
|||||||
|
|
||||||
pub fn as_object(&self) -> &TcbObject {
|
pub fn as_object(&self) -> &TcbObject {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
&*(virt.as_const_ptr())
|
&*(virt.as_const_ptr())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn as_object_mut(&mut self) -> &mut TcbObject {
|
pub fn as_object_mut(&mut self) -> &mut TcbObject {
|
||||||
unsafe {
|
unsafe {
|
||||||
let virt = mmap_phys_to_virt(self.cte.cap.get().ptr);
|
let virt = mmap_phys_to_virt(self.cte.cap.ptr);
|
||||||
&mut *(virt.as_mut_ptr())
|
&mut *(virt.as_mut_ptr())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -42,22 +42,23 @@ impl UntypedCap<'_> {
|
|||||||
}
|
}
|
||||||
|
|
||||||
fn free_offset(&self) -> usize {
|
fn free_offset(&self) -> usize {
|
||||||
self.cte.cap.get().args[0]
|
self.cte.cap.args[0]
|
||||||
}
|
}
|
||||||
|
|
||||||
fn set_free_offset(&mut self, free_offset: usize) {
|
fn set_free_offset(&mut self, free_offset: usize) {
|
||||||
self.cte.cap.update(|mut c| {
|
unsafe {
|
||||||
c.args[0] = free_offset;
|
self.cte.cap.update(|c| {
|
||||||
c
|
c.args[0] = free_offset;
|
||||||
});
|
})
|
||||||
|
};
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn is_device(&self) -> bool {
|
pub fn is_device(&self) -> bool {
|
||||||
(self.cte.cap.get().args[1] >> 6) & 1 == 1
|
(self.cte.cap.args[1] >> 6) & 1 == 1
|
||||||
}
|
}
|
||||||
|
|
||||||
fn block_bits(&self) -> usize {
|
fn block_bits(&self) -> usize {
|
||||||
self.cte.cap.get().args[1] & MASK!(6)
|
self.cte.cap.args[1] & MASK!(6)
|
||||||
}
|
}
|
||||||
|
|
||||||
fn block_size(&self) -> usize {
|
fn block_size(&self) -> usize {
|
||||||
@ -110,7 +111,7 @@ impl UntypedCap<'_> {
|
|||||||
|
|
||||||
// Create new capabilities in slot
|
// Create new capabilities in slot
|
||||||
for (i, slot) in slots.iter_mut().enumerate() {
|
for (i, slot) in slots.iter_mut().enumerate() {
|
||||||
let addr = self.cte.cap.get().ptr + start_offset + i * obj_size;
|
let addr = self.cte.cap.ptr + start_offset + i * obj_size;
|
||||||
let new_cap = match obj_type {
|
let new_cap = match obj_type {
|
||||||
ObjectType::Untyped => UntypedCap::mint(0, obj_type.bits(user_obj_bits), self.is_device(), addr),
|
ObjectType::Untyped => UntypedCap::mint(0, obj_type.bits(user_obj_bits), self.is_device(), addr),
|
||||||
ObjectType::CNode => CNodeCap::mint(user_obj_bits, 0, 0, addr),
|
ObjectType::CNode => CNodeCap::mint(user_obj_bits, 0, 0, addr),
|
||||||
@ -121,7 +122,7 @@ impl UntypedCap<'_> {
|
|||||||
_ => return Err(SysError::InvalidArgument),
|
_ => return Err(SysError::InvalidArgument),
|
||||||
};
|
};
|
||||||
|
|
||||||
slot.cap.set(new_cap);
|
slot.cap = new_cap;
|
||||||
self.append(slot);
|
self.append(slot);
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -138,7 +139,7 @@ impl Debug for UntypedCap<'_> {
|
|||||||
.field("free_offset", &self.free_offset())
|
.field("free_offset", &self.free_offset())
|
||||||
.field("block_bits", &self.block_bits())
|
.field("block_bits", &self.block_bits())
|
||||||
.field("is_device", &self.is_device())
|
.field("is_device", &self.is_device())
|
||||||
.field("ptr", &self.cte.cap.get().ptr)
|
.field("ptr", &self.cte.cap.ptr)
|
||||||
.finish()
|
.finish()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user