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kern: implement KMemoryBlockManager init

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This commit is contained in:
Michael Scire
2020-02-10 01:50:23 -08:00
parent fdd7b1db15
commit 3c78bc4dbf
6 changed files with 176 additions and 4 deletions
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42
libraries/libmesosphere/include/mesosphere/kern_k_memory_block.hpp
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@@ -176,12 +176,54 @@ namespace ams::kern {
KMemoryPermission perm;
KMemoryPermission original_perm;
KMemoryAttribute attribute;
public:
static constexpr ALWAYS_INLINE int Compare(const KMemoryBlock &lhs, const KMemoryBlock &rhs) {
if (lhs.GetAddress() < rhs.GetAddress()) {
return -1;
} else if (lhs.GetAddress() <= rhs.GetLastAddress()) {
return 0;
} else {
return 1;
}
}
public:
constexpr KProcessAddress GetAddress() const {
return this->address;
}
constexpr size_t GetNumPages() const {
return this->num_pages;
}
constexpr size_t GetSize() const {
return this->GetNumPages() * PageSize;
}
constexpr KProcessAddress GetEndAddress() const {
return this->GetAddress() + this->GetSize();
}
constexpr KProcessAddress GetLastAddress() const {
return this->GetEndAddress() - 1;
}
public:
constexpr KMemoryBlock()
: address(), num_pages(), memory_state(KMemoryState_None), ipc_lock_count(), device_use_count(), perm(), original_perm(), attribute()
{
/* ... */
}
constexpr void Initialize(KProcessAddress addr, size_t np, KMemoryState ms, KMemoryPermission p, KMemoryAttribute attr) {
MESOSPHERE_ASSERT_THIS();
this->address = addr;
this->num_pages = np;
this->memory_state = ms;
this->ipc_lock_count = 0;
this->device_use_count = 0;
this->perm = p;
this->original_perm = KMemoryPermission_None;
this->attribute = attr;
}
};
}