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

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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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13
libraries/libmesosphere/include/mesosphere/kern_k_page_heap.hpp
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@ -125,7 +125,7 @@ namespace ams::kern {
private:
KVirtualAddress m_heap_address;
size_t m_heap_size;
size_t m_used_size;
size_t m_initial_used_size;
size_t m_num_blocks;
Block m_blocks[NumMemoryBlockPageShifts];
private:
@ -134,7 +134,7 @@ namespace ams::kern {
void FreeBlock(KVirtualAddress block, s32 index);
public:
KPageHeap() : m_heap_address(), m_heap_size(), m_used_size(), m_num_blocks(), m_blocks() { /* ... */ }
KPageHeap() : m_heap_address(), m_heap_size(), m_initial_used_size(), m_num_blocks(), m_blocks() { /* ... */ }
constexpr KVirtualAddress GetAddress() const { return m_heap_address; }
constexpr size_t GetSize() const { return m_heap_size; }
@ -149,8 +149,13 @@ namespace ams::kern {
size_t GetFreeSize() const { return this->GetNumFreePages() * PageSize; }
void DumpFreeList() const;
void UpdateUsedSize() {
m_used_size = m_heap_size - (this->GetNumFreePages() * PageSize);
void SetInitialUsedSize(size_t reserved_size) {
/* Check that the reserved size is valid. */
const size_t free_size = this->GetNumFreePages() * PageSize;
MESOSPHERE_ABORT_UNLESS(m_heap_size >= free_size + reserved_size);
/* Set the initial used size. */
m_initial_used_size = m_heap_size - free_size - reserved_size;
}
KVirtualAddress AllocateBlock(s32 index, bool random);