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kern: implement dynamic slab init + ini relocation

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This commit is contained in:
Michael Scire 2020-02-07 04:58:35 -08:00
parent d9e6771e63
commit cb6af379d8
20 changed files with 851 additions and 22 deletions
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38
libraries/libmesosphere/source/kern_kernel.cpp
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@ -18,11 +18,15 @@
namespace ams::kern {
/* Declare kernel data members in kernel TU. */
Kernel::State Kernel::s_state = Kernel::State::Invalid;
KThread Kernel::s_main_threads[cpu::NumCores];
KThread Kernel::s_idle_threads[cpu::NumCores];
KResourceLimit Kernel::s_system_resource_limit;
KMemoryManager Kernel::s_memory_manager;
Kernel::State Kernel::s_state = Kernel::State::Invalid;
KThread Kernel::s_main_threads[cpu::NumCores];
KThread Kernel::s_idle_threads[cpu::NumCores];
KResourceLimit Kernel::s_system_resource_limit;
KMemoryManager Kernel::s_memory_manager;
KPageTableManager Kernel::s_page_table_manager;
KMemoryBlockSlabManager Kernel::s_app_memory_block_manager;
KMemoryBlockSlabManager Kernel::s_sys_memory_block_manager;
KBlockInfoManager Kernel::s_block_info_manager;
void Kernel::InitializeCoreLocalRegion(s32 core_id) {
/* Construct the core local region object in place. */
@ -68,10 +72,32 @@ namespace ams::kern {
SetCurrentThread(main_thread);
SetCurrentProcess(nullptr);
/* TODO: Initialize the interrupt manager. */
/* 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));
}
}