OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

kern: support 2-pool layout on 2.x-4.x instead of modern 4-pool layout

Browse Source
This commit is contained in:
Michael Scire
2020-08-25 18:10:58 -07:00
committed by SciresM
parent ce95af89ef
commit e8ffbe630f
7 changed files with 204 additions and 92 deletions
Download Patch File Download Diff File Expand all files Collapse all files

158
libraries/libmesosphere/source/kern_k_memory_layout.board.nintendo_nx.cpp
View File

@@ -59,31 +59,58 @@ namespace ams::kern {
namespace init {
namespace {
void SetupDevicePhysicalMemoryRegions() {
/* TODO: Give these constexpr defines somewhere? */
MESOSPHERE_INIT_ABORT_UNLESS(SetupUartPhysicalMemoryRegion());
MESOSPHERE_INIT_ABORT_UNLESS(SetupPowerManagementControllerMemoryRegion());
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70019000, 0x1000, KMemoryRegionType_MemoryController | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7001C000, 0x1000, KMemoryRegionType_MemoryController0 | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7001D000, 0x1000, KMemoryRegionType_MemoryController1 | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50040000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50041000, 0x1000, KMemoryRegionType_InterruptDistributor | KMemoryRegionAttr_ShouldKernelMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50042000, 0x1000, KMemoryRegionType_InterruptCpuInterface | KMemoryRegionAttr_ShouldKernelMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50043000, 0x1D000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x6000F000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x6001DC00, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
}
void SetupPoolPartitionMemoryRegionsImpl() {
/* Start by identifying the extents of the DRAM memory region. */
const auto dram_extents = KMemoryLayout::GetMainMemoryPhysicalExtents();
void SetupDramPhysicalMemoryRegions() {
const size_t intended_memory_size = KSystemControl::Init::GetIntendedMemorySize();
const KPhysicalAddress physical_memory_base_address = KSystemControl::Init::GetKernelPhysicalBaseAddress(DramPhysicalAddress);
const uintptr_t pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
/* Insert blocks into the tree. */
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), intended_memory_size, KMemoryRegionType_Dram));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), ReservedEarlyDramSize, KMemoryRegionType_DramReservedEarly));
}
void SetupPoolPartitionMemoryRegions() {
/* Start by identifying the extents of the DRAM memory region. */
const auto dram_extents = KMemoryLayout::GetMainMemoryPhysicalExtents();
/* Determine the end of the pool region. */
const uintptr_t pool_end = dram_extents.GetEndAddress() - KTraceBufferSize;
/* Find the start of the kernel DRAM region. */
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();
MESOSPHERE_INIT_ABORT_UNLESS(util::IsAligned(kernel_dram_start, CarveoutAlignment));
/* Find the start of the pool partitions region. */
const KMemoryRegion *pool_partitions_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(KMemoryRegionType_DramPoolPartition, 0);
MESOSPHERE_INIT_ABORT_UNLESS(pool_partitions_region != nullptr);
const uintptr_t pool_partitions_start = pool_partitions_region->GetAddress();
/* Setup the pool partition layouts. */
if (GetTargetFirmware() >= TargetFirmware_5_0_0) {
/* On 5.0.0+, setup modern 4-pool-partition layout. */
/* Get Application and Applet pool sizes. */
const size_t application_pool_size = KSystemControl::Init::GetApplicationPoolSize();
const size_t applet_pool_size = KSystemControl::Init::GetAppletPoolSize();
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_DramKernelBase);
MESOSPHERE_INIT_ABORT_UNLESS(kernel_dram_region != nullptr);
const uintptr_t kernel_dram_start = kernel_dram_region->GetAddress();
MESOSPHERE_INIT_ABORT_UNLESS(util::IsAligned(kernel_dram_start, CarveoutAlignment));
/* Find the start of the pool partitions region. */
const KMemoryRegion *pool_partitions_region = KMemoryLayout::GetPhysicalMemoryRegionTree().FindByTypeAndAttribute(KMemoryRegionType_DramPoolPartition, 0);
MESOSPHERE_INIT_ABORT_UNLESS(pool_partitions_region != nullptr);
const uintptr_t pool_partitions_start = pool_partitions_region->GetAddress();
/* Decide on starting addresses for our pools. */
const uintptr_t application_pool_start = pool_end - application_pool_size;
const uintptr_t applet_pool_start = application_pool_start - applet_pool_size;
@@ -124,45 +151,66 @@ namespace ams::kern {
/* Insert the system pool. */
const uintptr_t system_pool_size = pool_management_start - pool_partitions_start;
InsertPoolPartitionRegionIntoBothTrees(pool_partitions_start, system_pool_size, KMemoryRegionType_DramSystemPool, KMemoryRegionType_VirtualDramSystemPool, cur_pool_attr);
}
void SetupPoolPartitionMemoryRegionsDeprecatedImpl() {
MESOSPHERE_UNIMPLEMENTED();
}
}
void SetupDevicePhysicalMemoryRegions() {
/* TODO: Give these constexpr defines somewhere? */
MESOSPHERE_INIT_ABORT_UNLESS(SetupUartPhysicalMemoryRegion());
MESOSPHERE_INIT_ABORT_UNLESS(SetupPowerManagementControllerMemoryRegion());
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x70019000, 0x1000, KMemoryRegionType_MemoryController | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7001C000, 0x1000, KMemoryRegionType_MemoryController0 | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x7001D000, 0x1000, KMemoryRegionType_MemoryController1 | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50040000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50041000, 0x1000, KMemoryRegionType_InterruptDistributor | KMemoryRegionAttr_ShouldKernelMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50042000, 0x1000, KMemoryRegionType_InterruptCpuInterface | KMemoryRegionAttr_ShouldKernelMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x50043000, 0x1D000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x6000F000, 0x1000, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(0x6001DC00, 0x400, KMemoryRegionType_None | KMemoryRegionAttr_NoUserMap));
}
void SetupDramPhysicalMemoryRegions() {
const size_t intended_memory_size = KSystemControl::Init::GetIntendedMemorySize();
const KPhysicalAddress physical_memory_base_address = KSystemControl::Init::GetKernelPhysicalBaseAddress(DramPhysicalAddress);
/* Insert blocks into the tree. */
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), intended_memory_size, KMemoryRegionType_Dram));
MESOSPHERE_INIT_ABORT_UNLESS(KMemoryLayout::GetPhysicalMemoryRegionTree().Insert(GetInteger(physical_memory_base_address), ReservedEarlyDramSize, KMemoryRegionType_DramReservedEarly));
}
void SetupPoolPartitionMemoryRegions() {
if (GetTargetFirmware() >= TargetFirmware_5_0_0) {
/* On 5.0.0+, setup modern 4-pool-partition layout. */
SetupPoolPartitionMemoryRegionsImpl();
} else {
} else if (GetTargetFirmware() >= TargetFirmware_2_0_0) {
/* On < 5.0.0, setup a legacy 2-pool layout for backwards compatibility. */
SetupPoolPartitionMemoryRegionsDeprecatedImpl();
static_assert(KMemoryManager::Pool_Count == 4);
static_assert(KMemoryManager::Pool_Unsafe == KMemoryManager::Pool_Application);
static_assert(KMemoryManager::Pool_Secure == KMemoryManager::Pool_System);
/* Get Secure pool size. */
constexpr size_t LegacySecureKernelSize = 6_MB; /* KPageBuffer pages, other small kernel allocations. */
constexpr size_t LegacySecureMiscSize = 1_MB; /* Miscellaneous pages for secure process mapping. */
constexpr size_t LegacySecureHeapSize = 24_MB; /* Heap pages for secure process mapping (fs). */
constexpr size_t LegacySecureEsSize = 1_MB + 232_KB; /* Size for additional secure process (es, 4.0.0+). */
const size_t secure_pool_size = GetInitialProcessesSecureMemorySize() + LegacySecureKernelSize + LegacySecureHeapSize + LegacySecureMiscSize + (GetTargetFirmware() >= TargetFirmware_4_0_0 ? LegacySecureEsSize : 0);
/* Calculate the overhead for the secure and (defunct) applet/non-secure-system pools. */
size_t total_overhead_size = KMemoryManager::CalculateManagementOverheadSize(secure_pool_size);
/* Calculate the overhead for (an amount larger than) the unsafe pool. */
const size_t approximate_total_overhead_size = total_overhead_size + KMemoryManager::CalculateManagementOverheadSize((pool_end - pool_partitions_start) - secure_pool_size - total_overhead_size) + 2 * PageSize;
/* Determine the start of the unsafe region. */
const uintptr_t unsafe_memory_start = util::AlignUp(pool_partitions_start + secure_pool_size + approximate_total_overhead_size, CarveoutAlignment);
/* Determine the start of the pool regions. */
const uintptr_t application_pool_start = unsafe_memory_start;
/* Determine the pool sizes. */
const size_t application_pool_size = pool_end - application_pool_start;
/* We want to arrange application pool depending on where the middle of dram is. */
const uintptr_t dram_midpoint = (dram_extents.GetAddress() + dram_extents.GetEndAddress()) / 2;
u32 cur_pool_attr = 0;
if (dram_extents.GetEndAddress() <= dram_midpoint || dram_midpoint <= application_pool_start) {
InsertPoolPartitionRegionIntoBothTrees(application_pool_start, application_pool_size, KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool, cur_pool_attr);
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(application_pool_size);
} else {
const size_t first_application_pool_size = dram_midpoint - application_pool_start;
const size_t second_application_pool_size = application_pool_start + application_pool_size - dram_midpoint;
InsertPoolPartitionRegionIntoBothTrees(application_pool_start, first_application_pool_size, KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool, cur_pool_attr);
InsertPoolPartitionRegionIntoBothTrees(dram_midpoint, second_application_pool_size, KMemoryRegionType_DramApplicationPool, KMemoryRegionType_VirtualDramApplicationPool, cur_pool_attr);
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(first_application_pool_size);
total_overhead_size += KMemoryManager::CalculateManagementOverheadSize(second_application_pool_size);
}
/* Insert the secure pool. */
InsertPoolPartitionRegionIntoBothTrees(pool_partitions_start, secure_pool_size, KMemoryRegionType_DramSystemPool, KMemoryRegionType_VirtualDramSystemPool, cur_pool_attr);
/* Insert the pool management region. */
MESOSPHERE_INIT_ABORT_UNLESS(total_overhead_size <= approximate_total_overhead_size);
const uintptr_t pool_management_start = pool_partitions_start + secure_pool_size;
const size_t pool_management_size = unsafe_memory_start - pool_management_start;
MESOSPHERE_INIT_ABORT_UNLESS(total_overhead_size <= pool_management_size);
u32 pool_management_attr = 0;
InsertPoolPartitionRegionIntoBothTrees(pool_management_start, pool_management_size, KMemoryRegionType_DramPoolManagement, KMemoryRegionType_VirtualDramPoolManagement, pool_management_attr);
} else {
/* TODO: 1.0.0 single-pool layout. */
MESOSPHERE_UNIMPLEMENTED();
}
}