| /* |
| * Copyright (c) 2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "pas_config.h" |
| |
| #if LIBPAS_ENABLED |
| |
| #include "pas_create_basic_heap_page_caches_with_reserved_memory.h" |
| |
| #include "pas_basic_heap_page_caches.h" |
| #include "pas_basic_heap_runtime_config.h" |
| #include "pas_immortal_heap.h" |
| #include "pas_large_heap_physical_page_sharing_cache.h" |
| #include "pas_megapage_cache.h" |
| #include "pas_reserved_memory_provider.h" |
| #include "pas_segregated_shared_page_directory.h" |
| |
| static pas_allocation_result allocate_from_large( |
| size_t size, |
| pas_alignment alignment, |
| const char* name, |
| pas_heap* heap, |
| pas_physical_memory_transaction* transaction, |
| void* arg) |
| { |
| PAS_UNUSED_PARAM(name); |
| PAS_ASSERT(heap); |
| PAS_ASSERT(transaction); |
| PAS_ASSERT(!arg); |
| PAS_ASSERT(!alignment.alignment_begin); |
| |
| return pas_large_heap_try_allocate_and_forget( |
| &heap->large_heap, size, alignment.alignment, |
| pas_heap_config_kind_get_config(heap->config_kind), |
| transaction); |
| } |
| |
| /* Warning: This creates caches that allow type confusion. Only use this for primitive heaps! */ |
| pas_basic_heap_page_caches* pas_create_basic_heap_page_caches_with_reserved_memory( |
| pas_basic_heap_runtime_config* template_runtime_config, |
| uintptr_t begin, |
| uintptr_t end) |
| { |
| pas_reserved_memory_provider* provider; |
| pas_basic_heap_page_caches* caches; |
| pas_segregated_page_config_variant segregated_variant; |
| |
| pas_heap_lock_lock(); |
| |
| provider = pas_immortal_heap_allocate( |
| sizeof(pas_reserved_memory_provider), |
| "pas_reserved_memory_provider", |
| pas_object_allocation); |
| |
| pas_reserved_memory_provider_construct(provider, begin, end); |
| |
| caches = pas_immortal_heap_allocate( |
| sizeof(pas_basic_heap_page_caches), |
| "pas_basic_heap_page_caches", |
| pas_object_allocation); |
| |
| pas_large_heap_physical_page_sharing_cache_construct( |
| &caches->large_heap_cache, |
| pas_reserved_memory_provider_try_allocate, |
| provider); |
| |
| pas_megapage_cache_construct( |
| &caches->small_segregated_megapage_cache, |
| allocate_from_large, |
| NULL); |
| |
| pas_megapage_cache_construct( |
| &caches->small_bitfit_megapage_cache, |
| allocate_from_large, |
| NULL); |
| |
| pas_megapage_cache_construct( |
| &caches->medium_megapage_cache, |
| allocate_from_large, |
| NULL); |
| |
| for (PAS_EACH_SEGREGATED_PAGE_CONFIG_VARIANT_ASCENDING(segregated_variant)) { |
| pas_shared_page_directory_by_size* directories; |
| |
| directories = pas_basic_heap_page_caches_get_shared_page_directories(caches, |
| segregated_variant); |
| |
| *directories = PAS_SHARED_PAGE_DIRECTORY_BY_SIZE_INITIALIZER( |
| pas_basic_heap_page_caches_get_shared_page_directories( |
| template_runtime_config->page_caches, |
| segregated_variant)->log_shift, |
| pas_share_pages); |
| } |
| |
| pas_heap_lock_unlock(); |
| |
| return caches; |
| } |
| |
| #endif /* LIBPAS_ENABLED */ |