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kern: implement K(Secure)SystemResource

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This commit is contained in:
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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16
libraries/libmesosphere/source/board/nintendo/nx/kern_k_device_page_table.cpp
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@@ -651,11 +651,13 @@ namespace ams::kern::board::nintendo::nx {
g_memory_controller_address = KMemoryLayout::GetDevicePhysicalAddress(KMemoryRegionType_MemoryController);
/* Allocate a page to use as a reserved/no device table. */
const KVirtualAddress table_virt_addr = Kernel::GetSystemPageTableManager().Allocate();
auto &ptm = Kernel::GetSystemSystemResource().GetPageTableManager();
const KVirtualAddress table_virt_addr = ptm.Allocate();
MESOSPHERE_ABORT_UNLESS(table_virt_addr != Null<KVirtualAddress>);
const KPhysicalAddress table_phys_addr = GetPageTablePhysicalAddress(table_virt_addr);
MESOSPHERE_ASSERT(IsValidPhysicalAddress(table_phys_addr));
Kernel::GetSystemPageTableManager().Open(table_virt_addr, 1);
ptm.Open(table_virt_addr, 1);
/* Save the page. Note that it is a pre-condition that the page is cleared, when allocated from the system page table manager. */
/* NOTE: Nintendo does not check the result of StoreDataCache. */
@@ -779,7 +781,7 @@ namespace ams::kern::board::nintendo::nx {
const size_t end_index = (space_address + space_size - 1) / DeviceRegionSize;
/* Get the page table manager. */
auto &ptm = Kernel::GetSystemPageTableManager();
auto &ptm = Kernel::GetSystemSystemResource().GetPageTableManager();
/* Clear the tables. */
static_assert(TableCount == (1ul << DeviceVirtualAddressBits) / DeviceRegionSize);
@@ -839,7 +841,7 @@ namespace ams::kern::board::nintendo::nx {
void KDevicePageTable::Finalize() {
/* Get the page table manager. */
auto &ptm = Kernel::GetSystemPageTableManager();
auto &ptm = Kernel::GetSystemSystemResource().GetPageTableManager();
/* Detach from all devices. */
{
@@ -1014,7 +1016,7 @@ namespace ams::kern::board::nintendo::nx {
/* Get the memory manager and page table manager. */
KMemoryManager &mm = Kernel::GetMemoryManager();
KPageTableManager &ptm = Kernel::GetSystemPageTableManager();
KPageTableManager &ptm = Kernel::GetSystemSystemResource().GetPageTableManager();
/* Cache permissions. */
const bool read = (device_perm & ams::svc::MemoryPermission_Read) != 0;
@@ -1158,10 +1160,10 @@ namespace ams::kern::board::nintendo::nx {
/* Get the memory manager and page table manager. */
KMemoryManager &mm = Kernel::GetMemoryManager();
KPageTableManager &ptm = Kernel::GetSystemPageTableManager();
KPageTableManager &ptm = Kernel::GetSystemSystemResource().GetPageTableManager();
/* Make a page group for the pages we're closing. */
KPageGroup pg(std::addressof(Kernel::GetSystemBlockInfoManager()));
KPageGroup pg(Kernel::GetSystemSystemResource().GetBlockInfoManagerPointer());
/* Walk the directory. */
u64 remaining = size;