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kern: revamp KMemoryRegionType to better encode derivation hierarchies

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This commit is contained in:
Michael Scire
2020-08-23 13:19:45 -07:00
committed by SciresM
parent d50c7c5c79
commit 1983f86875
17 changed files with 746 additions and 426 deletions
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14
libraries/libmesosphere/source/kern_k_memory_layout.board.nintendo_nx.cpp
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@@ -27,9 +27,9 @@ namespace ams::kern {
ALWAYS_INLINE bool SetupUartPhysicalMemoryRegion() {
#if defined(MESOSPHERE_DEBUG_LOG_USE_UART_A)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006000, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006000, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#elif defined(MESOSPHERE_DEBUG_LOG_USE_UART_B)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006040, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006040, 0x40, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#elif defined(MESOSPHERE_DEBUG_LOG_USE_UART_C)
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70006200, 0x100, KMemoryRegionType_Uart | KMemoryRegionAttr_ShouldKernelMap);
#elif defined(MESOSPHERE_DEBUG_LOG_USE_UART_D)
@@ -41,10 +41,10 @@ namespace ams::kern {
ALWAYS_INLINE bool SetupPowerManagementControllerMemoryRegion() {
/* For backwards compatibility, the PMC must remain mappable on < 2.0.0. */
const auto pmc_type = GetTargetFirmware() >= TargetFirmware_2_0_0 ? (KMemoryRegionType_PowerManagementController | KMemoryRegionAttr_NoUserMap) : KMemoryRegionType_PowerManagementController;
const auto restrict_attr = GetTargetFirmware() >= TargetFirmware_2_0_0 ? KMemoryRegionAttr_NoUserMap : static_cast<KMemoryRegionAttr>(0);
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E000, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap) &&
KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E400, 0xC00, pmc_type);
return KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E000, 0x400, KMemoryRegionType_None | restrict_attr) &&
KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7000E400, 0xC00, KMemoryRegionType_PowerManagementController | restrict_attr);
}
void InsertPoolPartitionRegionIntoBothTrees(size_t start, size_t size, KMemoryRegionType phys_type, KMemoryRegionType virt_type, u32 &cur_attr) {
@@ -95,7 +95,7 @@ namespace ams::kern {
const size_t unsafe_system_pool_min_size = KSystemControl::Init::GetMinimumNonSecureSystemPoolSize();
/* Find the start of the kernel DRAM region. */
const KMemoryRegion *kernel_dram_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_DramKernel);
const KMemoryRegion *kernel_dram_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindFirstDerived(KMemoryRegionType_DramKernelBase);
MESOSPHERE_INIT_ABORT_UNLESS(kernel_dram_region != nullptr);
const uintptr_t kernel_dram_start = kernel_dram_region->GetAddress();
@@ -141,7 +141,7 @@ namespace ams::kern {
const uintptr_t metadata_pool_start = unsafe_system_pool_start - total_overhead_size;
const size_t metadata_pool_size = total_overhead_size;
u32 metadata_pool_attr = 0;
InsertPoolPartitionRegionIntoBothTrees(metadata_pool_start, metadata_pool_size, KMemoryRegionType_DramMetadataPool, KMemoryRegionType_VirtualDramMetadataPool, metadata_pool_attr);
InsertPoolPartitionRegionIntoBothTrees(metadata_pool_start, metadata_pool_size, KMemoryRegionType_DramPoolManagement, KMemoryRegionType_VirtualDramPoolManagement, metadata_pool_attr);
/* Insert the system pool. */
const uintptr_t system_pool_size = metadata_pool_start - pool_partitions_start;