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kern: optimize memory block tree lookups

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This commit is contained in:
Michael Scire 2020-01-29 14:55:26 -08:00
parent 981bb1f15d
commit bb4ade30e4
1 changed files with 9 additions and 10 deletions
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19
libraries/libmesosphere/include/mesosphere/kern_k_memory_layout.hpp
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@ -123,12 +123,12 @@ namespace ams::kern {
u32 type_id;
public:
static constexpr ALWAYS_INLINE int Compare(const KMemoryBlock &lhs, const KMemoryBlock &rhs) {
if (lhs.address < rhs.address) {
if (lhs.GetAddress() < rhs.GetAddress()) {
return -1;
} else if (lhs.address == rhs.address) {
return 0;
} else {
} else if (lhs.GetLastAddress() > rhs.GetLastAddress()) {
return 1;
} else {
return 0;
}
}
public:
@ -222,12 +222,11 @@ namespace ams::kern {
constexpr ALWAYS_INLINE KMemoryBlockTree() : tree() { /* ... */ }
public:
iterator FindContainingBlock(uintptr_t address) {
for (auto it = this->begin(); it != this->end(); it++) {
if (it->Contains(address)) {
return it;
}
}
MESOSPHERE_INIT_ABORT();
auto it = this->find(KMemoryBlock(address, 1, 0, 0));
MESOSPHERE_INIT_ABORT_UNLESS(it != this->end());
MESOSPHERE_INIT_ABORT_UNLESS(it->Contains(address));
return it;
}
iterator FindFirstBlockByTypeAttr(u32 type_id, u32 attr = 0) {