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kern: load initial process binary from user pool, rather than from pt heap

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This commit is contained in:
Michael Scire
2021-04-07 12:25:10 -07:00
committed by SciresM
parent a1e137cc1c
commit 0f8b7be2d2
13 changed files with 350 additions and 184 deletions
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10
libraries/libmesosphere/include/mesosphere/kern_k_memory_manager.hpp
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@@ -75,7 +75,7 @@ namespace ams::kern {
KVirtualAddress AllocateBlock(s32 index, bool random) { return m_heap.AllocateBlock(index, random); }
void Free(KVirtualAddress addr, size_t num_pages) { m_heap.Free(addr, num_pages); }
void UpdateUsedHeapSize() { m_heap.UpdateUsedSize(); }
void SetInitialUsedHeapSize(size_t reserved_size) { m_heap.SetInitialUsedSize(reserved_size); }
void InitializeOptimizedMemory() { std::memset(GetVoidPointer(m_management_region), 0, CalculateOptimizedProcessOverheadSize(m_heap.GetSize())); }
@@ -168,6 +168,10 @@ namespace ams::kern {
return m_managers[KMemoryLayout::GetVirtualLinearRegion(address).GetAttributes()];
}
const Impl &GetManager(KVirtualAddress address) const {
return m_managers[KMemoryLayout::GetVirtualLinearRegion(address).GetAttributes()];
}
constexpr Impl *GetFirstManager(Pool pool, Direction dir) {
return dir == Direction_FromBack ? m_pool_managers_tail[pool] : m_pool_managers_head[pool];
}
@@ -197,6 +201,10 @@ namespace ams::kern {
NOINLINE Result AllocateAndOpen(KPageGroup *out, size_t num_pages, u32 option);
NOINLINE Result AllocateAndOpenForProcess(KPageGroup *out, size_t num_pages, u32 option, u64 process_id, u8 fill_pattern);
Pool GetPool(KVirtualAddress address) const {
return this->GetManager(address).GetPool();
}
void Open(KVirtualAddress address, size_t num_pages) {
/* Repeatedly open references until we've done so for all pages. */
while (num_pages) {