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kern: implement K(Secure)SystemResource

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Michael Scire 2022-10-11 21:32:56 -07:00 • committed by SciresM
parent 752704a798
commit 2e73f33eb0
20 changed files with 413 additions and 200 deletions
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8
libraries/libmesosphere/source/arch/arm64/kern_k_page_table.cpp
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@ -192,7 +192,7 @@ namespace ams::kern::arch::arm64 {
Result KPageTable::InitializeForKernel(void *table, KVirtualAddress start, KVirtualAddress end) {
/* Initialize basic fields. */
m_asid = 0;
m_manager = std::addressof(Kernel::GetSystemPageTableManager());
m_manager = Kernel::GetSystemSystemResource().GetPageTableManagerPointer();
/* Allocate a page for ttbr. */
/* NOTE: It is a postcondition of page table manager allocation that the page is all-zero. */
@ -207,7 +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, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager, KResourceLimit *resource_limit) {
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);
@ -216,7 +216,7 @@ namespace ams::kern::arch::arm64 {
ON_RESULT_FAILURE { g_asid_manager.Release(m_asid); };
/* Set our manager. */
m_manager = pt_manager;
m_manager = system_resource->GetPageTableManagerPointer();
/* Allocate a new table, and set our ttbr value. */
const KVirtualAddress new_table = m_manager->Allocate();
@ -228,7 +228,7 @@ namespace ams::kern::arch::arm64 {
const size_t as_width = GetAddressSpaceWidth(as_type);
const KProcessAddress as_start = 0;
const KProcessAddress as_end = (1ul << as_width);
R_TRY(KPageTableBase::InitializeForProcess(as_type, enable_aslr, enable_das_merge, from_back, pool, GetVoidPointer(new_table), as_start, as_end, code_address, code_size, mem_block_slab_manager, block_info_manager, resource_limit));
R_TRY(KPageTableBase::InitializeForProcess(as_type, enable_aslr, enable_das_merge, from_back, pool, GetVoidPointer(new_table), as_start, as_end, code_address, code_size, system_resource, resource_limit));
/* Note that we've updated the table (since we created it). */
this->NoteUpdated();