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Code Issues Releases Activity

kern: KPageTable::Initialize no longer takes unused process id

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This commit is contained in:
Michael Scire 2023-10-11 08:29:07 -07:00 committed by SciresM
parent ad5bd81d3f
commit 85b5f20395
4 changed files with 6 additions and 9 deletions
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2
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table.hpp
View file

@ -178,7 +178,7 @@ 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, KSystemResource *system_resource, KResourceLimit *resource_limit);
NOINLINE Result InitializeForProcess(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, KSystemResource *system_resource, 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);

4
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
View file

@ -28,8 +28,8 @@ 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, KSystemResource *system_resource, KResourceLimit *resource_limit) {
R_RETURN(m_page_table.InitializeForProcess(id, as_type, enable_aslr, enable_das_merge, from_back, pool, code_address, code_size, system_resource, resource_limit));
Result Initialize(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, KSystemResource *system_resource, KResourceLimit *resource_limit) {
R_RETURN(m_page_table.InitializeForProcess(as_type, enable_aslr, enable_das_merge, from_back, pool, code_address, code_size, system_resource, resource_limit));
}
void Finalize() { m_page_table.Finalize(); }

5
libraries/libmesosphere/source/arch/arm64/kern_k_page_table.cpp
View file

@ -207,10 +207,7 @@ namespace ams::kern::arch::arm64 {
R_SUCCEED();
}
Result KPageTable::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, KSystemResource *system_resource, KResourceLimit *resource_limit) {
/* The input ID isn't actually used. */
MESOSPHERE_UNUSED(id);
Result KPageTable::InitializeForProcess(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, KSystemResource *system_resource, KResourceLimit *resource_limit) {
/* Get an ASID */
m_asid = g_asid_manager.Reserve();
ON_RESULT_FAILURE { g_asid_manager.Release(m_asid); };

4
libraries/libmesosphere/source/kern_k_process.cpp
View file

@ -282,7 +282,7 @@ namespace ams::kern {
const auto as_type = static_cast<ams::svc::CreateProcessFlag>(params.flags & ams::svc::CreateProcessFlag_AddressSpaceMask);
const bool enable_aslr = (params.flags & ams::svc::CreateProcessFlag_EnableAslr) != 0;
const bool enable_das_merge = (params.flags & ams::svc::CreateProcessFlag_DisableDeviceAddressSpaceMerge) == 0;
R_TRY(m_page_table.Initialize(m_process_id, as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address, params.code_num_pages * PageSize, m_system_resource, res_limit));
R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address, params.code_num_pages * PageSize, m_system_resource, res_limit));
}
ON_RESULT_FAILURE { m_page_table.Finalize(); };
@ -362,7 +362,7 @@ namespace ams::kern {
const auto as_type = static_cast<ams::svc::CreateProcessFlag>(params.flags & ams::svc::CreateProcessFlag_AddressSpaceMask);
const bool enable_aslr = (params.flags & ams::svc::CreateProcessFlag_EnableAslr) != 0;
const bool enable_das_merge = (params.flags & ams::svc::CreateProcessFlag_DisableDeviceAddressSpaceMerge) == 0;
R_TRY(m_page_table.Initialize(m_process_id, as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address, code_size, m_system_resource, res_limit));
R_TRY(m_page_table.Initialize(as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address, code_size, m_system_resource, res_limit));
}
ON_RESULT_FAILURE_2 { m_page_table.Finalize(); };