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-rw-r--r--src/core/hle/kernel/init/init_slab_setup.cpp101
1 files changed, 80 insertions, 21 deletions
diff --git a/src/core/hle/kernel/init/init_slab_setup.cpp b/src/core/hle/kernel/init/init_slab_setup.cpp
index 36fc0944a..4e60f0829 100644
--- a/src/core/hle/kernel/init/init_slab_setup.cpp
+++ b/src/core/hle/kernel/init/init_slab_setup.cpp
@@ -7,19 +7,23 @@
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/core.h"
+#include "core/device_memory.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/init/init_slab_setup.h"
#include "core/hle/kernel/k_code_memory.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
+#include "core/hle/kernel/k_page_buffer.h"
#include "core/hle/kernel/k_port.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_session.h"
#include "core/hle/kernel/k_shared_memory.h"
+#include "core/hle/kernel/k_shared_memory_info.h"
#include "core/hle/kernel/k_system_control.h"
#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/k_thread_local_page.h"
#include "core/hle/kernel/k_transfer_memory.h"
namespace Kernel::Init {
@@ -32,9 +36,13 @@ namespace Kernel::Init {
HANDLER(KEvent, (SLAB_COUNT(KEvent)), ##__VA_ARGS__) \
HANDLER(KPort, (SLAB_COUNT(KPort)), ##__VA_ARGS__) \
HANDLER(KSharedMemory, (SLAB_COUNT(KSharedMemory)), ##__VA_ARGS__) \
+ HANDLER(KSharedMemoryInfo, (SLAB_COUNT(KSharedMemory) * 8), ##__VA_ARGS__) \
HANDLER(KTransferMemory, (SLAB_COUNT(KTransferMemory)), ##__VA_ARGS__) \
HANDLER(KCodeMemory, (SLAB_COUNT(KCodeMemory)), ##__VA_ARGS__) \
HANDLER(KSession, (SLAB_COUNT(KSession)), ##__VA_ARGS__) \
+ HANDLER(KThreadLocalPage, \
+ (SLAB_COUNT(KProcess) + (SLAB_COUNT(KProcess) + SLAB_COUNT(KThread)) / 8), \
+ ##__VA_ARGS__) \
HANDLER(KResourceLimit, (SLAB_COUNT(KResourceLimit)), ##__VA_ARGS__)
namespace {
@@ -50,38 +58,46 @@ enum KSlabType : u32 {
// Constexpr counts.
constexpr size_t SlabCountKProcess = 80;
constexpr size_t SlabCountKThread = 800;
-constexpr size_t SlabCountKEvent = 700;
+constexpr size_t SlabCountKEvent = 900;
constexpr size_t SlabCountKInterruptEvent = 100;
-constexpr size_t SlabCountKPort = 256 + 0x20; // Extra 0x20 ports over Nintendo for homebrew.
+constexpr size_t SlabCountKPort = 384;
constexpr size_t SlabCountKSharedMemory = 80;
constexpr size_t SlabCountKTransferMemory = 200;
constexpr size_t SlabCountKCodeMemory = 10;
constexpr size_t SlabCountKDeviceAddressSpace = 300;
-constexpr size_t SlabCountKSession = 933;
+constexpr size_t SlabCountKSession = 1133;
constexpr size_t SlabCountKLightSession = 100;
constexpr size_t SlabCountKObjectName = 7;
constexpr size_t SlabCountKResourceLimit = 5;
constexpr size_t SlabCountKDebug = Core::Hardware::NUM_CPU_CORES;
-constexpr size_t SlabCountKAlpha = 1;
-constexpr size_t SlabCountKBeta = 6;
+constexpr size_t SlabCountKIoPool = 1;
+constexpr size_t SlabCountKIoRegion = 6;
constexpr size_t SlabCountExtraKThread = 160;
+/// Helper function to translate from the slab virtual address to the reserved location in physical
+/// memory.
+static PAddr TranslateSlabAddrToPhysical(KMemoryLayout& memory_layout, VAddr slab_addr) {
+ slab_addr -= memory_layout.GetSlabRegionAddress();
+ return slab_addr + Core::DramMemoryMap::SlabHeapBase;
+}
+
template <typename T>
VAddr InitializeSlabHeap(Core::System& system, KMemoryLayout& memory_layout, VAddr address,
size_t num_objects) {
- // TODO(bunnei): This is just a place holder. We should initialize the appropriate KSlabHeap for
- // kernel object type T with the backing kernel memory pointer once we emulate kernel memory.
const size_t size = Common::AlignUp(sizeof(T) * num_objects, alignof(void*));
VAddr start = Common::AlignUp(address, alignof(T));
- // This is intentionally empty. Once KSlabHeap is fully implemented, we can replace this with
- // the pointer to emulated memory to pass along. Until then, KSlabHeap will just allocate/free
- // host memory.
- void* backing_kernel_memory{};
+ // This should use the virtual memory address passed in, but currently, we do not setup the
+ // kernel virtual memory layout. Instead, we simply map these at a region of physical memory
+ // that we reserve for the slab heaps.
+ // TODO(bunnei): Fix this once we support the kernel virtual memory layout.
if (size > 0) {
+ void* backing_kernel_memory{
+ system.DeviceMemory().GetPointer(TranslateSlabAddrToPhysical(memory_layout, start))};
+
const KMemoryRegion* region = memory_layout.FindVirtual(start + size - 1);
ASSERT(region != nullptr);
ASSERT(region->IsDerivedFrom(KMemoryRegionType_KernelSlab));
@@ -109,8 +125,8 @@ KSlabResourceCounts KSlabResourceCounts::CreateDefault() {
.num_KObjectName = SlabCountKObjectName,
.num_KResourceLimit = SlabCountKResourceLimit,
.num_KDebug = SlabCountKDebug,
- .num_KAlpha = SlabCountKAlpha,
- .num_KBeta = SlabCountKBeta,
+ .num_KIoPool = SlabCountKIoPool,
+ .num_KIoRegion = SlabCountKIoRegion,
};
}
@@ -121,6 +137,12 @@ void InitializeSlabResourceCounts(KernelCore& kernel) {
}
}
+size_t CalculateSlabHeapGapSize() {
+ constexpr size_t KernelSlabHeapGapSize = 2_MiB - 296_KiB;
+ static_assert(KernelSlabHeapGapSize <= KernelSlabHeapGapsSizeMax);
+ return KernelSlabHeapGapSize;
+}
+
size_t CalculateTotalSlabHeapSize(const KernelCore& kernel) {
size_t size = 0;
@@ -136,11 +158,34 @@ size_t CalculateTotalSlabHeapSize(const KernelCore& kernel) {
#undef ADD_SLAB_SIZE
// Add the reserved size.
- size += KernelSlabHeapGapsSize;
+ size += CalculateSlabHeapGapSize();
return size;
}
+void InitializeKPageBufferSlabHeap(Core::System& system) {
+ auto& kernel = system.Kernel();
+
+ const auto& counts = kernel.SlabResourceCounts();
+ const size_t num_pages =
+ counts.num_KProcess + counts.num_KThread + (counts.num_KProcess + counts.num_KThread) / 8;
+ const size_t slab_size = num_pages * PageSize;
+
+ // Reserve memory from the system resource limit.
+ ASSERT(kernel.GetSystemResourceLimit()->Reserve(LimitableResource::PhysicalMemory, slab_size));
+
+ // Allocate memory for the slab.
+ constexpr auto AllocateOption = KMemoryManager::EncodeOption(
+ KMemoryManager::Pool::System, KMemoryManager::Direction::FromFront);
+ const PAddr slab_address =
+ kernel.MemoryManager().AllocateAndOpenContinuous(num_pages, 1, AllocateOption);
+ ASSERT(slab_address != 0);
+
+ // Initialize the slabheap.
+ KPageBuffer::InitializeSlabHeap(kernel, system.DeviceMemory().GetPointer(slab_address),
+ slab_size);
+}
+
void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
auto& kernel = system.Kernel();
@@ -160,13 +205,13 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
}
// Create an array to represent the gaps between the slabs.
- const size_t total_gap_size = KernelSlabHeapGapsSize;
+ const size_t total_gap_size = CalculateSlabHeapGapSize();
std::array<size_t, slab_types.size()> slab_gaps;
- for (size_t i = 0; i < slab_gaps.size(); i++) {
+ for (auto& slab_gap : slab_gaps) {
// Note: This is an off-by-one error from Nintendo's intention, because GenerateRandomRange
// is inclusive. However, Nintendo also has the off-by-one error, and it's "harmless", so we
// will include it ourselves.
- slab_gaps[i] = KSystemControl::GenerateRandomRange(0, total_gap_size);
+ slab_gap = KSystemControl::GenerateRandomRange(0, total_gap_size);
}
// Sort the array, so that we can treat differences between values as offsets to the starts of
@@ -177,13 +222,21 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
}
}
- for (size_t i = 0; i < slab_types.size(); i++) {
+ // Track the gaps, so that we can free them to the unused slab tree.
+ VAddr gap_start = address;
+ size_t gap_size = 0;
+
+ for (size_t i = 0; i < slab_gaps.size(); i++) {
// Add the random gap to the address.
- address += (i == 0) ? slab_gaps[0] : slab_gaps[i] - slab_gaps[i - 1];
+ const auto cur_gap = (i == 0) ? slab_gaps[0] : slab_gaps[i] - slab_gaps[i - 1];
+ address += cur_gap;
+ gap_size += cur_gap;
#define INITIALIZE_SLAB_HEAP(NAME, COUNT, ...) \
case KSlabType_##NAME: \
- address = InitializeSlabHeap<NAME>(system, memory_layout, address, COUNT); \
+ if (COUNT > 0) { \
+ address = InitializeSlabHeap<NAME>(system, memory_layout, address, COUNT); \
+ } \
break;
// Initialize the slabheap.
@@ -192,7 +245,13 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
FOREACH_SLAB_TYPE(INITIALIZE_SLAB_HEAP)
// If we somehow get an invalid type, abort.
default:
- UNREACHABLE();
+ UNREACHABLE_MSG("Unknown slab type: {}", slab_types[i]);
+ }
+
+ // If we've hit the end of a gap, free it.
+ if (gap_start + gap_size != address) {
+ gap_start = address;
+ gap_size = 0;
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 04:45:15 +0200