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authorbunnei <bunneidev@gmail.com>2020-04-08 21:06:37 -0400
committerbunnei <bunneidev@gmail.com>2020-04-17 00:59:32 -0400
commit8f75524e5534bb0893cce35631d98e08362be611 (patch)
treeff4efc38835e3f5af7f45c9eb7b8f8860df4b50a /src/core/hle/kernel/kernel.cpp
parent11c02a50e9fa71e4bfac1268a15ee424501b6118 (diff)
kernel: Initialize memory layout for new VMM.
Diffstat (limited to 'src/core/hle/kernel/kernel.cpp')
-rw-r--r--src/core/hle/kernel/kernel.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 014d647cf0..db5796d15d 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -18,15 +18,20 @@
#include "core/core.h"
#include "core/core_timing.h"
#include "core/core_timing_util.h"
+#include "core/device_memory.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/memory/memory_layout.h"
+#include "core/hle/kernel/memory/memory_manager.h"
+#include "core/hle/kernel/memory/slab_heap.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/scheduler.h"
+#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/synchronization.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/time_manager.h"
@@ -110,6 +115,7 @@ struct KernelCore::Impl {
InitializePhysicalCores();
InitializeSystemResourceLimit(kernel);
+ InitializeMemoryLayout();
InitializeThreads();
InitializePreemption();
}
@@ -237,6 +243,57 @@ struct KernelCore::Impl {
return result;
}
+ void InitializeMemoryLayout() {
+ // Initialize memory layout
+ constexpr Memory::MemoryLayout layout{Memory::MemoryLayout::GetDefaultLayout()};
+ constexpr std::size_t hid_size{0x40000};
+ constexpr std::size_t font_size{0x1100000};
+ constexpr std::size_t irs_size{0x8000};
+ constexpr std::size_t time_size{0x1000};
+ constexpr PAddr hid_addr{layout.System().StartAddress()};
+ constexpr PAddr font_pa{layout.System().StartAddress() + hid_size};
+ constexpr PAddr irs_addr{layout.System().StartAddress() + hid_size + font_size};
+ constexpr PAddr time_addr{layout.System().StartAddress() + hid_size + font_size + irs_size};
+
+ // Initialize memory manager
+ memory_manager = std::make_unique<Memory::MemoryManager>();
+ memory_manager->InitializeManager(Memory::MemoryManager::Pool::Application,
+ layout.Application().StartAddress(),
+ layout.Application().EndAddress());
+ memory_manager->InitializeManager(Memory::MemoryManager::Pool::Applet,
+ layout.Applet().StartAddress(),
+ layout.Applet().EndAddress());
+ memory_manager->InitializeManager(Memory::MemoryManager::Pool::System,
+ layout.System().StartAddress(),
+ layout.System().EndAddress());
+
+ hid_shared_mem = Kernel::SharedMemory::Create(
+ system.Kernel(), system.DeviceMemory(), nullptr,
+ {hid_addr, hid_size / Memory::PageSize}, Memory::MemoryPermission::None,
+ Memory::MemoryPermission::Read, hid_addr, hid_size, "HID:SharedMemory");
+ font_shared_mem = Kernel::SharedMemory::Create(
+ system.Kernel(), system.DeviceMemory(), nullptr,
+ {font_pa, font_size / Memory::PageSize}, Memory::MemoryPermission::None,
+ Memory::MemoryPermission::Read, font_pa, font_size, "Font:SharedMemory");
+ irs_shared_mem = Kernel::SharedMemory::Create(
+ system.Kernel(), system.DeviceMemory(), nullptr,
+ {irs_addr, irs_size / Memory::PageSize}, Memory::MemoryPermission::None,
+ Memory::MemoryPermission::Read, irs_addr, irs_size, "IRS:SharedMemory");
+ time_shared_mem = Kernel::SharedMemory::Create(
+ system.Kernel(), system.DeviceMemory(), nullptr,
+ {time_addr, time_size / Memory::PageSize}, Memory::MemoryPermission::None,
+ Memory::MemoryPermission::Read, time_addr, time_size, "Time:SharedMemory");
+
+ // Allocate slab heaps
+ user_slab_heap_pages = std::make_unique<Memory::SlabHeap<Memory::Page>>();
+
+ // Initialize slab heaps
+ constexpr u64 user_slab_heap_size{0x3de000};
+ user_slab_heap_pages->Initialize(
+ system.DeviceMemory().GetPointer(Core::DramMemoryMap::SlabHeapBase),
+ user_slab_heap_size);
+ }
+
std::atomic<u32> next_object_id{0};
std::atomic<u64> next_kernel_process_id{Process::InitialKIPIDMin};
std::atomic<u64> next_user_process_id{Process::ProcessIDMin};
@@ -271,6 +328,16 @@ struct KernelCore::Impl {
std::bitset<Core::Hardware::NUM_CPU_CORES> registered_core_threads;
std::mutex register_thread_mutex;
+ // Kernel memory management
+ std::unique_ptr<Memory::MemoryManager> memory_manager;
+ std::unique_ptr<Memory::SlabHeap<Memory::Page>> user_slab_heap_pages;
+
+ // Shared memory for services
+ std::shared_ptr<Kernel::SharedMemory> hid_shared_mem;
+ std::shared_ptr<Kernel::SharedMemory> font_shared_mem;
+ std::shared_ptr<Kernel::SharedMemory> irs_shared_mem;
+ std::shared_ptr<Kernel::SharedMemory> time_shared_mem;
+
// System context
Core::System& system;
};
@@ -437,4 +504,52 @@ Core::EmuThreadHandle KernelCore::GetCurrentEmuThreadID() const {
return impl->GetCurrentEmuThreadID();
}
+Memory::MemoryManager& KernelCore::MemoryManager() {
+ return *impl->memory_manager;
+}
+
+const Memory::MemoryManager& KernelCore::MemoryManager() const {
+ return *impl->memory_manager;
+}
+
+Memory::SlabHeap<Memory::Page>& KernelCore::GetUserSlabHeapPages() {
+ return *impl->user_slab_heap_pages;
+}
+
+const Memory::SlabHeap<Memory::Page>& KernelCore::GetUserSlabHeapPages() const {
+ return *impl->user_slab_heap_pages;
+}
+
+Kernel::SharedMemory& KernelCore::GetHidSharedMem() {
+ return *impl->hid_shared_mem;
+}
+
+const Kernel::SharedMemory& KernelCore::GetHidSharedMem() const {
+ return *impl->hid_shared_mem;
+}
+
+Kernel::SharedMemory& KernelCore::GetFontSharedMem() {
+ return *impl->font_shared_mem;
+}
+
+const Kernel::SharedMemory& KernelCore::GetFontSharedMem() const {
+ return *impl->font_shared_mem;
+}
+
+Kernel::SharedMemory& KernelCore::GetIrsSharedMem() {
+ return *impl->irs_shared_mem;
+}
+
+const Kernel::SharedMemory& KernelCore::GetIrsSharedMem() const {
+ return *impl->irs_shared_mem;
+}
+
+Kernel::SharedMemory& KernelCore::GetTimeSharedMem() {
+ return *impl->time_shared_mem;
+}
+
+const Kernel::SharedMemory& KernelCore::GetTimeSharedMem() const {
+ return *impl->time_shared_mem;
+}
+
} // namespace Kernel
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