mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-24 21:51:15 +00:00
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
#include "../../os.hpp"
|
|
|
|
namespace ams::lmem::impl {
|
|
|
|
/* NOTE: Nintendo does not use util::IntrusiveListNode. */
|
|
/* They seem to manually manage linked list pointers. */
|
|
/* This is pretty gross, so we're going to use util::IntrusiveListNode. */
|
|
|
|
struct ExpHeapMemoryBlockHead {
|
|
u16 magic;
|
|
u32 attributes;
|
|
size_t block_size;
|
|
util::IntrusiveListNode list_node;
|
|
};
|
|
static_assert(std::is_trivially_destructible<ExpHeapMemoryBlockHead>::value);
|
|
|
|
using ExpHeapMemoryBlockList = typename util::IntrusiveListMemberTraits<&ExpHeapMemoryBlockHead::list_node>::ListType;
|
|
|
|
struct ExpHeapHead {
|
|
ExpHeapMemoryBlockList free_list;
|
|
ExpHeapMemoryBlockList used_list;
|
|
u16 group_id;
|
|
u16 mode;
|
|
bool use_alignment_margins;
|
|
char pad[3];
|
|
};
|
|
static_assert(sizeof(ExpHeapHead) == 0x28);
|
|
static_assert(std::is_trivially_destructible<ExpHeapHead>::value);
|
|
|
|
struct FrameHeapHead {
|
|
void *next_block_head;
|
|
void *next_block_tail;
|
|
};
|
|
static_assert(sizeof(FrameHeapHead) == 0x10);
|
|
static_assert(std::is_trivially_destructible<FrameHeapHead>::value);
|
|
|
|
struct UnitHead {
|
|
UnitHead *next;
|
|
};
|
|
|
|
struct UnitHeapList {
|
|
UnitHead *head;
|
|
};
|
|
|
|
struct UnitHeapHead {
|
|
UnitHeapList free_list;
|
|
size_t unit_size;
|
|
s32 alignment;
|
|
s32 num_units;
|
|
};
|
|
static_assert(sizeof(UnitHeapHead) == 0x18);
|
|
static_assert(std::is_trivially_destructible<UnitHeapHead>::value);
|
|
|
|
union ImplementationHeapHead {
|
|
ExpHeapHead exp_heap_head;
|
|
FrameHeapHead frame_heap_head;
|
|
UnitHeapHead unit_heap_head;
|
|
};
|
|
|
|
struct HeapHead {
|
|
u32 magic;
|
|
util::IntrusiveListNode list_node;
|
|
|
|
using ChildListTraits = util::IntrusiveListMemberTraitsDeferredAssert<&HeapHead::list_node>;
|
|
using ChildList = ChildListTraits::ListType;
|
|
ChildList child_list;
|
|
|
|
void *heap_start;
|
|
void *heap_end;
|
|
os::MutexType mutex;
|
|
u8 option;
|
|
ImplementationHeapHead impl_head;
|
|
};
|
|
static_assert(std::is_trivially_destructible<HeapHead>::value);
|
|
static_assert(HeapHead::ChildListTraits::IsValid());
|
|
|
|
}
|