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Merge pull request #904 from lioncash/static
kernel/thread: Minor changes
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commit
4b84d5bcec
1 changed files with 6 additions and 8 deletions
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@ -252,13 +252,14 @@ void Thread::ResumeFromWait() {
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* slot: The index of the first free slot in the indicated page.
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* alloc_needed: Whether there's a need to allocate a new TLS page (All pages are full).
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*/
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std::tuple<u32, u32, bool> GetFreeThreadLocalSlot(std::vector<std::bitset<8>>& tls_slots) {
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static std::tuple<std::size_t, std::size_t, bool> GetFreeThreadLocalSlot(
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const std::vector<std::bitset<8>>& tls_slots) {
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// Iterate over all the allocated pages, and try to find one where not all slots are used.
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for (unsigned page = 0; page < tls_slots.size(); ++page) {
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for (std::size_t page = 0; page < tls_slots.size(); ++page) {
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const auto& page_tls_slots = tls_slots[page];
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if (!page_tls_slots.all()) {
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// We found a page with at least one free slot, find which slot it is
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for (unsigned slot = 0; slot < page_tls_slots.size(); ++slot) {
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for (std::size_t slot = 0; slot < page_tls_slots.size(); ++slot) {
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if (!page_tls_slots.test(slot)) {
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return std::make_tuple(page, slot, false);
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}
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@ -333,11 +334,8 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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// Find the next available TLS index, and mark it as used
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auto& tls_slots = owner_process->tls_slots;
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bool needs_allocation = true;
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u32 available_page; // Which allocated page has free space
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u32 available_slot; // Which slot within the page is free
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std::tie(available_page, available_slot, needs_allocation) = GetFreeThreadLocalSlot(tls_slots);
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auto [available_page, available_slot, needs_allocation] = GetFreeThreadLocalSlot(tls_slots);
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if (needs_allocation) {
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// There are no already-allocated pages with free slots, lets allocate a new one.
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@ -359,7 +357,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
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owner_process->linear_heap_used += Memory::PAGE_SIZE;
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tls_slots.emplace_back(0); // The page is completely available at the start
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available_page = static_cast<u32>(tls_slots.size() - 1);
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available_page = tls_slots.size() - 1;
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available_slot = 0; // Use the first slot in the new page
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auto& vm_manager = owner_process->vm_manager;
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