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kern: implement KHandleTable, other cleanup

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This commit is contained in:
Michael Scire 2020-01-30 15:29:51 -08:00
parent d5a4c17ee7
commit 484f132651
41 changed files with 710 additions and 89 deletions
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17
libraries/libmesosphere/include/mesosphere/kern_k_slab_heap.hpp
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@ -14,8 +14,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <mesosphere/kern_panic.hpp>
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_typed_address.hpp>
namespace ams::kern {
@ -33,7 +32,7 @@ namespace ams::kern {
std::atomic<Node *> head;
size_t obj_size;
public:
constexpr KSlabHeapImpl() : head(nullptr), obj_size(0) { /* ... */ }
constexpr KSlabHeapImpl() : head(nullptr), obj_size(0) { MESOSPHERE_ASSERT_THIS(); }
void Initialize(size_t size) {
MESOSPHERE_INIT_ABORT_UNLESS(this->head == nullptr);
@ -49,6 +48,8 @@ namespace ams::kern {
}
void *Allocate() {
MESOSPHERE_ASSERT_THIS();
Node *ret = this->head.load();
do {
@ -61,6 +62,8 @@ namespace ams::kern {
}
void Free(void *obj) {
MESOSPHERE_ASSERT_THIS();
Node *node = reinterpret_cast<Node *>(obj);
Node *cur_head = this->head.load();
@ -90,13 +93,15 @@ namespace ams::kern {
return std::addressof(this->impl);
}
public:
constexpr KSlabHeapBase() : impl(), peak(0), start(0), end(0) { /* ... */ }
constexpr KSlabHeapBase() : impl(), peak(0), start(0), end(0) { MESOSPHERE_ASSERT_THIS(); }
ALWAYS_INLINE bool Contains(uintptr_t address) const {
return this->start <= address && address < this->end;
}
void InitializeImpl(size_t obj_size, void *memory, size_t memory_size) {
MESOSPHERE_ASSERT_THIS();
/* Ensure we don't initialize a slab using null memory. */
MESOSPHERE_ABORT_UNLESS(memory != nullptr);
@ -127,6 +132,8 @@ namespace ams::kern {
}
void *AllocateImpl() {
MESOSPHERE_ASSERT_THIS();
void *obj = this->GetImpl()->Allocate();
/* TODO: under some debug define, track the peak for statistics, as N does? */
@ -135,6 +142,8 @@ namespace ams::kern {
}
void FreeImpl(void *obj) {
MESOSPHERE_ASSERT_THIS();
/* Don't allow freeing an object that wasn't allocated from this heap. */
MESOSPHERE_ABORT_UNLESS(this->Contains(reinterpret_cast<uintptr_t>(obj)));