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core: hle: kernel: k_process: Implement thread local storage accurately.

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This commit is contained in:
bunnei 2022-03-11 17:14:17 -08:00
parent 3210bc2767
commit 813b2ef253
3 changed files with 99 additions and 111 deletions
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18
src/core/hle/kernel/k_process.h
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@ -15,6 +15,7 @@
#include "core/hle/kernel/k_condition_variable.h"
#include "core/hle/kernel/k_handle_table.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_thread_local_page.h"
#include "core/hle/kernel/k_worker_task.h"
#include "core/hle/kernel/process_capability.h"
#include "core/hle/kernel/slab_helpers.h"
@ -362,10 +363,10 @@ public:
// Thread-local storage management
// Marks the next available region as used and returns the address of the slot.
[[nodiscard]] VAddr CreateTLSRegion();
[[nodiscard]] ResultCode CreateThreadLocalRegion(VAddr* out);
// Frees a used TLS slot identified by the given address
void FreeTLSRegion(VAddr tls_address);
ResultCode DeleteThreadLocalRegion(VAddr addr);
private:
void PinThread(s32 core_id, KThread* thread) {
@ -413,13 +414,6 @@ private:
/// The ideal CPU core for this process, threads are scheduled on this core by default.
u8 ideal_core = 0;
/// The Thread Local Storage area is allocated as processes create threads,
/// each TLS area is 0x200 bytes, so one page (0x1000) is split up in 8 parts, and each part
/// holds the TLS for a specific thread. This vector contains which parts are in use for each
/// page as a bitmask.
/// This vector will grow as more pages are allocated for new threads.
std::vector<TLSPage> tls_pages;
/// Contains the parsed process capability descriptors.
ProcessCapabilities capabilities;
@ -482,6 +476,12 @@ private:
KThread* exception_thread{};
KLightLock state_lock;
using TLPTree =
Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>;
using TLPIterator = TLPTree::iterator;
TLPTree fully_used_tlp_tree;
TLPTree partially_used_tlp_tree;
};
} // namespace Kernel