2020-04-17 04:55:47 +02:00
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/*
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2021-10-04 21:59:10 +02:00
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* Copyright (c) Atmosphère-NX
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2020-04-17 04:55:47 +02:00
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/sf/sf_common.hpp>
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#include <stratosphere/lmem.hpp>
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namespace ams::sf {
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class ExpHeapMemoryResource : public MemoryResource {
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private:
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2021-10-10 09:14:06 +02:00
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lmem::HeapHandle m_handle;
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2020-04-17 04:55:47 +02:00
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public:
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2021-10-10 09:14:06 +02:00
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constexpr ExpHeapMemoryResource() : m_handle() { /* ... */ }
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constexpr explicit ExpHeapMemoryResource(lmem::HeapHandle h) : m_handle(h) { /* ... */ }
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2020-10-31 11:22:01 +01:00
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void Attach(lmem::HeapHandle h) {
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2021-10-10 09:14:06 +02:00
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AMS_ABORT_UNLESS(m_handle == lmem::HeapHandle());
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m_handle = h;
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2020-10-31 11:22:01 +01:00
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}
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2020-04-17 04:55:47 +02:00
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2021-10-10 09:14:06 +02:00
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lmem::HeapHandle GetHandle() const { return m_handle; }
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2020-04-17 04:55:47 +02:00
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private:
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virtual void *AllocateImpl(size_t size, size_t alignment) override {
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2021-10-10 09:14:06 +02:00
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return lmem::AllocateFromExpHeap(m_handle, size, static_cast<int>(alignment));
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2020-04-17 04:55:47 +02:00
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}
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virtual void DeallocateImpl(void *buffer, size_t size, size_t alignment) override {
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2021-10-07 02:58:42 +02:00
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AMS_UNUSED(size, alignment);
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2021-10-10 09:14:06 +02:00
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return lmem::FreeToExpHeap(m_handle, buffer);
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2020-04-17 04:55:47 +02:00
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}
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virtual bool IsEqualImpl(const MemoryResource &resource) const {
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return this == std::addressof(resource);
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}
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};
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class UnitHeapMemoryResource : public MemoryResource {
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private:
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2021-10-10 09:14:06 +02:00
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lmem::HeapHandle m_handle;
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2020-04-17 04:55:47 +02:00
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public:
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2021-10-10 09:14:06 +02:00
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constexpr UnitHeapMemoryResource() : m_handle() { /* ... */ }
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constexpr explicit UnitHeapMemoryResource(lmem::HeapHandle h) : m_handle(h) { /* ... */ }
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2020-10-31 11:22:01 +01:00
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void Attach(lmem::HeapHandle h) {
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2021-10-10 09:14:06 +02:00
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AMS_ABORT_UNLESS(m_handle == lmem::HeapHandle());
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m_handle = h;
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2020-10-31 11:22:01 +01:00
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}
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2020-04-17 04:55:47 +02:00
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2021-10-10 09:14:06 +02:00
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lmem::HeapHandle GetHandle() const { return m_handle; }
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2020-04-17 04:55:47 +02:00
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private:
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virtual void *AllocateImpl(size_t size, size_t alignment) override {
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2021-10-10 09:14:06 +02:00
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AMS_ASSERT(size <= lmem::GetUnitHeapUnitSize(m_handle));
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AMS_ASSERT(alignment <= static_cast<size_t>(lmem::GetUnitHeapAlignment(m_handle)));
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2021-10-07 02:58:42 +02:00
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AMS_UNUSED(size, alignment);
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2021-10-10 09:14:06 +02:00
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return lmem::AllocateFromUnitHeap(m_handle);
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2020-04-17 04:55:47 +02:00
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}
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virtual void DeallocateImpl(void *buffer, size_t size, size_t alignment) override {
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2021-10-07 02:58:42 +02:00
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AMS_UNUSED(size, alignment);
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2021-10-10 09:14:06 +02:00
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return lmem::FreeToUnitHeap(m_handle, buffer);
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2020-04-17 04:55:47 +02:00
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}
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virtual bool IsEqualImpl(const MemoryResource &resource) const {
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return this == std::addressof(resource);
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}
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};
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}
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