mirror of
https://github.com/shadps4-emu/shadPS4.git
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Switch remaining CRLF terminated files to LF
This commit is contained in:
Daniel R.
parent
2c0f986c52
commit
c284cf72e1
28 changed files with 4856 additions and 4856 deletions
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@ -1,151 +1,151 @@
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// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/alignment.h"
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#include "core/libraries/kernel/threads/pthread.h"
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#include "thread.h"
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#ifdef _WIN64
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#include <windows.h>
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#include "common/ntapi.h"
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#else
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#include <csignal>
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#include <pthread.h>
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#endif
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namespace Core {
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#ifdef _WIN64
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#define KGDT64_R3_DATA (0x28)
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#define KGDT64_R3_CODE (0x30)
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#define KGDT64_R3_CMTEB (0x50)
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#define RPL_MASK (0x03)
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#define INITIAL_FPUCW (0x037f)
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#define INITIAL_MXCSR_MASK (0xffbf)
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#define EFLAGS_INTERRUPT_MASK (0x200)
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void InitializeTeb(INITIAL_TEB* teb, const ::Libraries::Kernel::PthreadAttr* attr) {
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teb->StackBase = (void*)((u64)attr->stackaddr_attr + attr->stacksize_attr);
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teb->StackLimit = nullptr;
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teb->StackAllocationBase = attr->stackaddr_attr;
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}
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void InitializeContext(CONTEXT* ctx, ThreadFunc func, void* arg,
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const ::Libraries::Kernel::PthreadAttr* attr) {
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/* Note: The stack has to be reversed */
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ctx->Rsp = (u64)attr->stackaddr_attr + attr->stacksize_attr;
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ctx->Rbp = (u64)attr->stackaddr_attr + attr->stacksize_attr;
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ctx->Rcx = (u64)arg;
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ctx->Rip = (u64)func;
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ctx->SegGs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegEs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegDs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegCs = KGDT64_R3_CODE | RPL_MASK;
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ctx->SegSs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegFs = KGDT64_R3_CMTEB | RPL_MASK;
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ctx->EFlags = 0x3000 | EFLAGS_INTERRUPT_MASK;
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ctx->MxCsr = INITIAL_MXCSR;
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ctx->FltSave.ControlWord = INITIAL_FPUCW;
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ctx->FltSave.MxCsr = INITIAL_MXCSR;
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ctx->FltSave.MxCsr_Mask = INITIAL_MXCSR_MASK;
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ctx->ContextFlags =
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CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS | CONTEXT_FLOATING_POINT;
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}
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#endif
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NativeThread::NativeThread() : native_handle{0} {}
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NativeThread::~NativeThread() {}
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int NativeThread::Create(ThreadFunc func, void* arg, const ::Libraries::Kernel::PthreadAttr* attr) {
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#ifndef _WIN64
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pthread_t* pthr = reinterpret_cast<pthread_t*>(&native_handle);
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pthread_attr_t pattr;
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pthread_attr_init(&pattr);
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pthread_attr_setstack(&pattr, attr->stackaddr_attr, attr->stacksize_attr);
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return pthread_create(pthr, &pattr, (PthreadFunc)func, arg);
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#else
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CLIENT_ID clientId{};
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INITIAL_TEB teb{};
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CONTEXT ctx{};
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clientId.UniqueProcess = GetCurrentProcess();
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clientId.UniqueThread = GetCurrentThread();
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InitializeTeb(&teb, attr);
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InitializeContext(&ctx, func, arg, attr);
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return NtCreateThread(&native_handle, THREAD_ALL_ACCESS, nullptr, GetCurrentProcess(),
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&clientId, &ctx, &teb, false);
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#endif
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}
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void NativeThread::Exit() {
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if (!native_handle) {
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return;
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}
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tid = 0;
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#ifdef _WIN64
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NtClose(native_handle);
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native_handle = nullptr;
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/* The Windows kernel will free the stack
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given at thread creation via INITIAL_TEB
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(StackAllocationBase) upon thread termination.
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In earlier Windows versions (NT4 to Windows Server 2003),
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you could get around this via disabling FreeStackOnTermination
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on the TEB. This has been removed since then.
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To avoid this, we must forcefully set the TEB
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deallocation stack pointer to NULL so ZwFreeVirtualMemory fails
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in the kernel and our stack is not freed.
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*/
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auto* teb = reinterpret_cast<TEB*>(NtCurrentTeb());
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teb->DeallocationStack = nullptr;
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NtTerminateThread(nullptr, 0);
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#else
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// Disable and free the signal stack.
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constexpr stack_t sig_stack = {
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.ss_flags = SS_DISABLE,
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};
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sigaltstack(&sig_stack, nullptr);
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if (sig_stack_ptr) {
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free(sig_stack_ptr);
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sig_stack_ptr = nullptr;
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}
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pthread_exit(nullptr);
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#endif
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}
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void NativeThread::Initialize() {
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#if _WIN64
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tid = GetCurrentThreadId();
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#else
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tid = (u64)pthread_self();
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// Set up an alternate signal handler stack to avoid overflowing small thread stacks.
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const size_t page_size = getpagesize();
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const size_t sig_stack_size = Common::AlignUp(std::max<size_t>(64_KB, MINSIGSTKSZ), page_size);
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ASSERT_MSG(posix_memalign(&sig_stack_ptr, page_size, sig_stack_size) == 0,
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"Failed to allocate signal stack: {}", errno);
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stack_t sig_stack;
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sig_stack.ss_sp = sig_stack_ptr;
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sig_stack.ss_size = sig_stack_size;
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sig_stack.ss_flags = 0;
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ASSERT_MSG(sigaltstack(&sig_stack, nullptr) == 0, "Failed to set signal stack: {}", errno);
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#endif
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}
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} // namespace Core
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// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/alignment.h"
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#include "core/libraries/kernel/threads/pthread.h"
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#include "thread.h"
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#ifdef _WIN64
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#include <windows.h>
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#include "common/ntapi.h"
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#else
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#include <csignal>
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#include <pthread.h>
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#endif
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namespace Core {
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#ifdef _WIN64
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#define KGDT64_R3_DATA (0x28)
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#define KGDT64_R3_CODE (0x30)
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#define KGDT64_R3_CMTEB (0x50)
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#define RPL_MASK (0x03)
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#define INITIAL_FPUCW (0x037f)
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#define INITIAL_MXCSR_MASK (0xffbf)
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#define EFLAGS_INTERRUPT_MASK (0x200)
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void InitializeTeb(INITIAL_TEB* teb, const ::Libraries::Kernel::PthreadAttr* attr) {
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teb->StackBase = (void*)((u64)attr->stackaddr_attr + attr->stacksize_attr);
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teb->StackLimit = nullptr;
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teb->StackAllocationBase = attr->stackaddr_attr;
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}
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void InitializeContext(CONTEXT* ctx, ThreadFunc func, void* arg,
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const ::Libraries::Kernel::PthreadAttr* attr) {
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/* Note: The stack has to be reversed */
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ctx->Rsp = (u64)attr->stackaddr_attr + attr->stacksize_attr;
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ctx->Rbp = (u64)attr->stackaddr_attr + attr->stacksize_attr;
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ctx->Rcx = (u64)arg;
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ctx->Rip = (u64)func;
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ctx->SegGs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegEs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegDs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegCs = KGDT64_R3_CODE | RPL_MASK;
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ctx->SegSs = KGDT64_R3_DATA | RPL_MASK;
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ctx->SegFs = KGDT64_R3_CMTEB | RPL_MASK;
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ctx->EFlags = 0x3000 | EFLAGS_INTERRUPT_MASK;
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ctx->MxCsr = INITIAL_MXCSR;
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ctx->FltSave.ControlWord = INITIAL_FPUCW;
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ctx->FltSave.MxCsr = INITIAL_MXCSR;
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ctx->FltSave.MxCsr_Mask = INITIAL_MXCSR_MASK;
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ctx->ContextFlags =
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CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS | CONTEXT_FLOATING_POINT;
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}
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#endif
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NativeThread::NativeThread() : native_handle{0} {}
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NativeThread::~NativeThread() {}
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int NativeThread::Create(ThreadFunc func, void* arg, const ::Libraries::Kernel::PthreadAttr* attr) {
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#ifndef _WIN64
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pthread_t* pthr = reinterpret_cast<pthread_t*>(&native_handle);
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pthread_attr_t pattr;
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pthread_attr_init(&pattr);
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pthread_attr_setstack(&pattr, attr->stackaddr_attr, attr->stacksize_attr);
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return pthread_create(pthr, &pattr, (PthreadFunc)func, arg);
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#else
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CLIENT_ID clientId{};
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INITIAL_TEB teb{};
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CONTEXT ctx{};
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clientId.UniqueProcess = GetCurrentProcess();
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clientId.UniqueThread = GetCurrentThread();
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InitializeTeb(&teb, attr);
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InitializeContext(&ctx, func, arg, attr);
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return NtCreateThread(&native_handle, THREAD_ALL_ACCESS, nullptr, GetCurrentProcess(),
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&clientId, &ctx, &teb, false);
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#endif
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}
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void NativeThread::Exit() {
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if (!native_handle) {
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return;
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}
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tid = 0;
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#ifdef _WIN64
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NtClose(native_handle);
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native_handle = nullptr;
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/* The Windows kernel will free the stack
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given at thread creation via INITIAL_TEB
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(StackAllocationBase) upon thread termination.
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In earlier Windows versions (NT4 to Windows Server 2003),
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you could get around this via disabling FreeStackOnTermination
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on the TEB. This has been removed since then.
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To avoid this, we must forcefully set the TEB
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deallocation stack pointer to NULL so ZwFreeVirtualMemory fails
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in the kernel and our stack is not freed.
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*/
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auto* teb = reinterpret_cast<TEB*>(NtCurrentTeb());
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teb->DeallocationStack = nullptr;
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NtTerminateThread(nullptr, 0);
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#else
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// Disable and free the signal stack.
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constexpr stack_t sig_stack = {
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.ss_flags = SS_DISABLE,
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};
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sigaltstack(&sig_stack, nullptr);
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if (sig_stack_ptr) {
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free(sig_stack_ptr);
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sig_stack_ptr = nullptr;
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}
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pthread_exit(nullptr);
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#endif
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}
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void NativeThread::Initialize() {
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#if _WIN64
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tid = GetCurrentThreadId();
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#else
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tid = (u64)pthread_self();
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// Set up an alternate signal handler stack to avoid overflowing small thread stacks.
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const size_t page_size = getpagesize();
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const size_t sig_stack_size = Common::AlignUp(std::max<size_t>(64_KB, MINSIGSTKSZ), page_size);
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ASSERT_MSG(posix_memalign(&sig_stack_ptr, page_size, sig_stack_size) == 0,
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"Failed to allocate signal stack: {}", errno);
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stack_t sig_stack;
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sig_stack.ss_sp = sig_stack_ptr;
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sig_stack.ss_size = sig_stack_size;
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sig_stack.ss_flags = 0;
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ASSERT_MSG(sigaltstack(&sig_stack, nullptr) == 0, "Failed to set signal stack: {}", errno);
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#endif
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}
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} // namespace Core
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