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kern: track mapped ipc server memory in page table

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Michael Scire 2021-04-07 09:48:25 -07:00 • committed by SciresM
parent 53e7aa0a20
commit 60b5bd73b7
7 changed files with 40 additions and 29 deletions
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2
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table.hpp
View file

@ -176,7 +176,7 @@ namespace ams::kern::arch::arm64 {
}
NOINLINE Result InitializeForKernel(void *table, KVirtualAddress start, KVirtualAddress end);
NOINLINE Result InitializeForProcess(u32 id, ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager);
NOINLINE Result InitializeForProcess(u32 id, ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager, KResourceLimit *resource_limit);
Result Finalize();
private:
Result MapL1Blocks(KProcessAddress virt_addr, KPhysicalAddress phys_addr, size_t num_pages, PageTableEntry entry_template, bool disable_head_merge, PageLinkedList *page_list, bool reuse_ll);

8
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
View file

@ -30,8 +30,8 @@ namespace ams::kern::arch::arm64 {
m_page_table.Activate(id);
}
Result Initialize(u32 id, ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager) {
return m_page_table.InitializeForProcess(id, as_type, enable_aslr, enable_das_merge, from_back, pool, code_address, code_size, mem_block_slab_manager, block_info_manager, pt_manager);
Result Initialize(u32 id, ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager, KResourceLimit *resource_limit) {
return m_page_table.InitializeForProcess(id, as_type, enable_aslr, enable_das_merge, from_back, pool, code_address, code_size, mem_block_slab_manager, block_info_manager, pt_manager, resource_limit);
}
void Finalize() { m_page_table.Finalize(); }
@ -216,8 +216,8 @@ namespace ams::kern::arch::arm64 {
return m_page_table.SetupForIpc(out_dst_addr, size, src_addr, src_page_table.m_page_table, test_perm, dst_state, send);
}
Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state, KProcess *server_process) {
return m_page_table.CleanupForIpcServer(address, size, dst_state, server_process);
Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state) {
return m_page_table.CleanupForIpcServer(address, size, dst_state);
}
Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state) {

8
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
View file

@ -47,6 +47,8 @@ namespace ams::kern {
static_assert(std::is_trivial<KPageProperties>::value);
static_assert(sizeof(KPageProperties) == sizeof(u32));
class KResourceLimit;
class KPageTableBase {
NON_COPYABLE(KPageTableBase);
NON_MOVEABLE(KPageTableBase);
@ -150,6 +152,7 @@ namespace ams::kern {
size_t m_max_heap_size{};
size_t m_mapped_physical_memory_size{};
size_t m_mapped_unsafe_physical_memory{};
size_t m_mapped_ipc_server_memory{};
mutable KLightLock m_general_lock{};
mutable KLightLock m_map_physical_memory_lock{};
KPageTableImpl m_impl{};
@ -161,6 +164,7 @@ namespace ams::kern {
bool m_enable_device_address_space_merge{};
KMemoryBlockSlabManager *m_memory_block_slab_manager{};
KBlockInfoManager *m_block_info_manager{};
KResourceLimit *m_resource_limit{};
const KMemoryRegion *m_cached_physical_linear_region{};
const KMemoryRegion *m_cached_physical_heap_region{};
const KMemoryRegion *m_cached_virtual_heap_region{};
@ -171,7 +175,7 @@ namespace ams::kern {
constexpr KPageTableBase() { /* ... */ }
NOINLINE Result InitializeForKernel(bool is_64_bit, void *table, KVirtualAddress start, KVirtualAddress end);
NOINLINE Result InitializeForProcess(ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_device_address_space_merge, bool from_back, KMemoryManager::Pool pool, void *table, KProcessAddress start, KProcessAddress end, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager);
NOINLINE Result InitializeForProcess(ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_device_address_space_merge, bool from_back, KMemoryManager::Pool pool, void *table, KProcessAddress start, KProcessAddress end, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KResourceLimit *resource_limit);
void Finalize();
@ -372,7 +376,7 @@ namespace ams::kern {
Result CopyMemoryFromHeapToHeapWithoutCheckDestination(KPageTableBase &dst_page_table, KProcessAddress dst_addr, size_t size, u32 dst_state_mask, u32 dst_state, KMemoryPermission dst_test_perm, u32 dst_attr_mask, u32 dst_attr, KProcessAddress src_addr, u32 src_state_mask, u32 src_state, KMemoryPermission src_test_perm, u32 src_attr_mask, u32 src_attr);
Result SetupForIpc(KProcessAddress *out_dst_addr, size_t size, KProcessAddress src_addr, KPageTableBase &src_page_table, KMemoryPermission test_perm, KMemoryState dst_state, bool send);
Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state, KProcess *server_process);
Result CleanupForIpcServer(KProcessAddress address, size_t size, KMemoryState dst_state);
Result CleanupForIpcClient(KProcessAddress address, size_t size, KMemoryState dst_state);
Result MapPhysicalMemory(KProcessAddress address, size_t size);