mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-25 03:36:02 +00:00
154 lines
8.7 KiB
C++
154 lines
8.7 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <mesosphere.hpp>
|
|
|
|
namespace ams::kern {
|
|
|
|
namespace {
|
|
|
|
template<typename T>
|
|
ALWAYS_INLINE void PrintMemoryRegion(const char *prefix, const T &extents) {
|
|
static_assert(std::is_same<decltype(extents.GetAddress()), uintptr_t>::value);
|
|
static_assert(std::is_same<decltype(extents.GetLastAddress()), uintptr_t>::value);
|
|
if constexpr (std::is_same<uintptr_t, unsigned int>::value) {
|
|
MESOSPHERE_LOG("%-24s0x%08x - 0x%08x\n", prefix, extents.GetAddress(), extents.GetLastAddress());
|
|
} else if constexpr (std::is_same<uintptr_t, unsigned long>::value) {
|
|
MESOSPHERE_LOG("%-24s0x%016lx - 0x%016lx\n", prefix, extents.GetAddress(), extents.GetLastAddress());
|
|
} else if constexpr (std::is_same<uintptr_t, unsigned long long>::value) {
|
|
MESOSPHERE_LOG("%-24s0x%016llx - 0x%016llx\n", prefix, extents.GetAddress(), extents.GetLastAddress());
|
|
} else {
|
|
static_assert(!std::is_same<T, T>::value, "Unknown uintptr_t width!");
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void Kernel::InitializeCoreLocalRegion(s32 core_id) {
|
|
/* Construct the core local region object in place. */
|
|
KCoreLocalContext *clc = GetPointer<KCoreLocalContext>(KMemoryLayout::GetCoreLocalRegionAddress());
|
|
new (clc) KCoreLocalContext;
|
|
|
|
/* Set the core local region address into the global register. */
|
|
cpu::SetCoreLocalRegionAddress(reinterpret_cast<uintptr_t>(clc));
|
|
|
|
/* Initialize current context. */
|
|
clc->current.current_thread = nullptr;
|
|
clc->current.current_process = nullptr;
|
|
clc->current.scheduler = std::addressof(clc->scheduler);
|
|
clc->current.interrupt_task_manager = std::addressof(clc->interrupt_task_manager);
|
|
clc->current.core_id = core_id;
|
|
clc->current.exception_stack_top = GetVoidPointer(KMemoryLayout::GetExceptionStackTopAddress(core_id) - sizeof(KThread::StackParameters));
|
|
|
|
/* Clear debugging counters. */
|
|
clc->num_sw_interrupts = 0;
|
|
clc->num_hw_interrupts = 0;
|
|
clc->num_svc = 0;
|
|
clc->num_process_switches = 0;
|
|
clc->num_thread_switches = 0;
|
|
clc->num_fpu_switches = 0;
|
|
|
|
for (size_t i = 0; i < util::size(clc->perf_counters); i++) {
|
|
clc->perf_counters[i] = 0;
|
|
}
|
|
}
|
|
|
|
void Kernel::InitializeMainAndIdleThreads(s32 core_id) {
|
|
/* This function wants to setup the main thread and the idle thread. */
|
|
KThread *main_thread = std::addressof(Kernel::GetMainThread(core_id));
|
|
void *main_thread_stack = GetVoidPointer(KMemoryLayout::GetMainStackTopAddress(core_id));
|
|
KThread *idle_thread = std::addressof(Kernel::GetIdleThread(core_id));
|
|
void *idle_thread_stack = GetVoidPointer(KMemoryLayout::GetIdleStackTopAddress(core_id));
|
|
KAutoObject::Create(main_thread);
|
|
KAutoObject::Create(idle_thread);
|
|
main_thread->Initialize(nullptr, 0, main_thread_stack, 0, KThread::MainThreadPriority, core_id, nullptr, KThread::ThreadType_Main);
|
|
idle_thread->Initialize(nullptr, 0, idle_thread_stack, 0, KThread::IdleThreadPriority, core_id, nullptr, KThread::ThreadType_Main);
|
|
|
|
/* Set the current thread to be the main thread, and we have no processes running yet. */
|
|
SetCurrentThread(main_thread);
|
|
SetCurrentProcess(nullptr);
|
|
|
|
/* Initialize the interrupt manager, hardware timer, and scheduler */
|
|
GetInterruptManager().Initialize(core_id);
|
|
GetHardwareTimer().Initialize(core_id);
|
|
GetScheduler().Initialize(idle_thread);
|
|
}
|
|
|
|
void Kernel::InitializeResourceManagers(KVirtualAddress address, size_t size) {
|
|
/* Ensure that the buffer is suitable for our use. */
|
|
const size_t app_size = ApplicationMemoryBlockSlabHeapSize * sizeof(KMemoryBlock);
|
|
const size_t sys_size = SystemMemoryBlockSlabHeapSize * sizeof(KMemoryBlock);
|
|
const size_t info_size = BlockInfoSlabHeapSize * sizeof(KBlockInfo);
|
|
const size_t fixed_size = util::AlignUp(app_size + sys_size + info_size, PageSize);
|
|
MESOSPHERE_ABORT_UNLESS(util::IsAligned(GetInteger(address), PageSize));
|
|
MESOSPHERE_ABORT_UNLESS(util::IsAligned(size, PageSize));
|
|
MESOSPHERE_ABORT_UNLESS(fixed_size < size);
|
|
|
|
size_t pt_size = size - fixed_size;
|
|
const size_t rc_size = util::AlignUp(KPageTableManager::CalculateReferenceCountSize(pt_size), PageSize);
|
|
MESOSPHERE_ABORT_UNLESS(rc_size < pt_size);
|
|
pt_size -= rc_size;
|
|
|
|
/* Initialize the slabheaps. */
|
|
s_app_memory_block_manager.Initialize(address + pt_size, app_size);
|
|
s_sys_memory_block_manager.Initialize(address + pt_size + app_size, sys_size);
|
|
s_block_info_manager.Initialize(address + pt_size + app_size + sys_size, info_size);
|
|
s_page_table_manager.Initialize(address, pt_size, GetPointer<KPageTableManager::RefCount>(address + pt_size + fixed_size));
|
|
}
|
|
|
|
void Kernel::PrintLayout() {
|
|
/* Print out the kernel version. */
|
|
/* TODO: target firmware, if we support that? */
|
|
MESOSPHERE_LOG("Horizon Kernel (Mesosphere)\n");
|
|
MESOSPHERE_LOG("Built: %s %s\n", __DATE__, __TIME__);
|
|
MESOSPHERE_LOG("Atmosphere version: %d.%d.%d-%s\n", ATMOSPHERE_RELEASE_VERSION, ATMOSPHERE_GIT_REVISION);
|
|
MESOSPHERE_LOG("Supported OS version: %d.%d.%d\n", ATMOSPHERE_SUPPORTED_HOS_VERSION_MAJOR, ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR, ATMOSPHERE_SUPPORTED_HOS_VERSION_MICRO);
|
|
MESOSPHERE_LOG("\n");
|
|
|
|
/* Print relative memory usage. */
|
|
const auto [total, kernel] = KMemoryLayout::GetTotalAndKernelMemorySizes();
|
|
MESOSPHERE_LOG("Kernel Memory Usage: %zu/%zu MB\n", util::AlignUp(kernel, 1_MB) / 1_MB, util::AlignUp(total, 1_MB) / 1_MB);
|
|
MESOSPHERE_LOG("\n");
|
|
|
|
/* Print out important memory layout regions. */
|
|
MESOSPHERE_LOG("Virtual Memory Layout\n");
|
|
PrintMemoryRegion(" KernelRegion", KMemoryLayout::GetKernelRegionExtents());
|
|
PrintMemoryRegion(" Code", KMemoryLayout::GetKernelCodeRegionExtents());
|
|
PrintMemoryRegion(" Stack", KMemoryLayout::GetKernelStackRegionExtents());
|
|
PrintMemoryRegion(" Misc", KMemoryLayout::GetKernelMiscRegionExtents());
|
|
PrintMemoryRegion(" Slab", KMemoryLayout::GetKernelSlabRegionExtents());
|
|
PrintMemoryRegion(" CoreLocalRegion", KMemoryLayout::GetCoreLocalRegion());
|
|
PrintMemoryRegion(" LinearRegion", KMemoryLayout::GetLinearRegionExtents());
|
|
MESOSPHERE_LOG("\n");
|
|
|
|
MESOSPHERE_LOG("Physical Memory Layout\n");
|
|
PrintMemoryRegion(" LinearRegion", KMemoryLayout::GetLinearRegionPhysicalExtents());
|
|
PrintMemoryRegion(" CarveoutRegion", KMemoryLayout::GetCarveoutRegionExtents());
|
|
MESOSPHERE_LOG("\n");
|
|
PrintMemoryRegion(" KernelRegion", KMemoryLayout::GetKernelRegionPhysicalExtents());
|
|
PrintMemoryRegion(" Code", KMemoryLayout::GetKernelCodeRegionPhysicalExtents());
|
|
PrintMemoryRegion(" Slab", KMemoryLayout::GetKernelSlabRegionPhysicalExtents());
|
|
PrintMemoryRegion(" PageTableHeap", KMemoryLayout::GetKernelPageTableHeapRegionPhysicalExtents());
|
|
PrintMemoryRegion(" InitPageTable", KMemoryLayout::GetKernelInitPageTableRegionPhysicalExtents());
|
|
PrintMemoryRegion(" MemoryPoolRegion", KMemoryLayout::GetKernelPoolPartitionRegionPhysicalExtents());
|
|
PrintMemoryRegion(" System", KMemoryLayout::GetKernelSystemPoolRegionPhysicalExtents());
|
|
PrintMemoryRegion(" Internal", KMemoryLayout::GetKernelMetadataPoolRegionPhysicalExtents());
|
|
PrintMemoryRegion(" SystemUnsafe", KMemoryLayout::GetKernelSystemNonSecurePoolRegionPhysicalExtents());
|
|
PrintMemoryRegion(" Applet", KMemoryLayout::GetKernelAppletPoolRegionPhysicalExtents());
|
|
PrintMemoryRegion(" Application", KMemoryLayout::GetKernelApplicationPoolRegionPhysicalExtents());
|
|
MESOSPHERE_LOG("\n");
|
|
}
|
|
|
|
}
|