2020-04-19 23:04:05 +02:00
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// SPDX-License-Identifier: MPL-2.0
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2020-03-27 20:36:02 +01:00
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// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
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2020-10-07 17:41:13 +02:00
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#include <sys/types.h>
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2019-09-24 22:54:27 +02:00
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#include <sys/resource.h>
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2020-10-07 17:41:13 +02:00
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#include <unistd.h>
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2020-03-26 15:33:19 +01:00
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#include <nce.h>
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2020-10-07 17:41:13 +02:00
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#include <os.h>
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2019-09-24 22:54:27 +02:00
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#include "KProcess.h"
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namespace skyline::kernel::type {
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2020-10-07 17:41:13 +02:00
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KThread::KThread(const DeviceState &state, KHandle handle, KProcess *parent, size_t id, void *entry, u64 argument, i8 priority, const std::shared_ptr<KPrivateMemory> &stack) : handle(handle), parent(parent), id(id), entry(entry), entryArgument(argument), stack(stack), KSyncObject(state, KType::KThread) {
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2019-09-24 22:54:27 +02:00
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UpdatePriority(priority);
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}
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KThread::~KThread() {
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2019-11-22 15:59:50 +01:00
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Kill();
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2019-09-24 22:54:27 +02:00
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}
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2020-10-07 17:41:13 +02:00
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void KThread::StartThread() {
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pthread_setname_np(pthread_self(), fmt::format("HOS-{}", id).c_str());
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2020-03-25 19:57:05 +01:00
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2020-10-07 17:41:13 +02:00
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ctx.sp = stack->ptr + stack->size;
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if (!ctx.tpidrroEl0)
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ctx.tpidrroEl0 = parent->AllocateTlsSlot();
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ctx.nce = state.nce.get();
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state.ctx = &ctx;
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struct sigaction sigact{
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.sa_sigaction = &NCE::SignalHandler,
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.sa_flags = SA_SIGINFO,
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};
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//for (int signal : {SIGILL, SIGTRAP, SIGBUS, SIGFPE, SIGSEGV})
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// sigaction(signal, &sigact, nullptr);
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asm volatile(
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"MSR TPIDR_EL0, %x0\n\t" // Set TLS to ThreadContext
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"MOV X0, SP\n\t"
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"STR X0, [%x0, #16]\n\t" // Store SP in ThreadContext
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"MOV LR, %x1\n\t" // Store entry in Link Register so it is jumped to on return
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"MOV X0, %x2\n\t" // Store the argument in X0
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"MOV X1, %x3\n\t" // Store the thread handle in X1, NCA applications require this
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"MOV X2, XZR\n\t"
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"MOV X3, XZR\n\t"
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"MOV X4, XZR\n\t"
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"MOV X5, XZR\n\t"
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"MOV X6, XZR\n\t"
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"MOV X7, XZR\n\t"
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"MOV X8, XZR\n\t"
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"MOV X9, XZR\n\t"
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"MOV X10, XZR\n\t"
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"MOV X11, XZR\n\t"
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"MOV X12, XZR\n\t"
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"MOV X13, XZR\n\t"
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"MOV X14, XZR\n\t"
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"MOV X15, XZR\n\t"
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"MOV X16, XZR\n\t"
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"MOV X17, XZR\n\t"
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"MOV X18, XZR\n\t"
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"MOV X19, XZR\n\t"
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"MOV X20, XZR\n\t"
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"MOV X21, XZR\n\t"
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"MOV X22, XZR\n\t"
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"MOV X23, XZR\n\t"
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"MOV X24, XZR\n\t"
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"MOV X25, XZR\n\t"
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"MOV X26, XZR\n\t"
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"MOV X27, XZR\n\t"
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"MOV X28, XZR\n\t"
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"MOV X29, XZR\n\t"
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"MSR FPSR, XZR\n\t"
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"MSR FPCR, XZR\n\t"
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"DUP V0.16B, WZR\n\t"
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"DUP V1.16B, WZR\n\t"
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"DUP V2.16B, WZR\n\t"
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"DUP V3.16B, WZR\n\t"
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"DUP V4.16B, WZR\n\t"
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"DUP V5.16B, WZR\n\t"
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"DUP V6.16B, WZR\n\t"
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"DUP V7.16B, WZR\n\t"
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"DUP V8.16B, WZR\n\t"
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"DUP V9.16B, WZR\n\t"
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"DUP V10.16B, WZR\n\t"
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"DUP V11.16B, WZR\n\t"
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"DUP V12.16B, WZR\n\t"
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"DUP V13.16B, WZR\n\t"
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"DUP V14.16B, WZR\n\t"
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"DUP V15.16B, WZR\n\t"
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"DUP V16.16B, WZR\n\t"
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"DUP V17.16B, WZR\n\t"
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"DUP V18.16B, WZR\n\t"
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"DUP V19.16B, WZR\n\t"
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"DUP V20.16B, WZR\n\t"
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"DUP V21.16B, WZR\n\t"
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"DUP V22.16B, WZR\n\t"
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"DUP V23.16B, WZR\n\t"
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"DUP V24.16B, WZR\n\t"
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"DUP V25.16B, WZR\n\t"
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"DUP V26.16B, WZR\n\t"
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"DUP V27.16B, WZR\n\t"
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"DUP V28.16B, WZR\n\t"
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"DUP V29.16B, WZR\n\t"
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"DUP V30.16B, WZR\n\t"
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"DUP V31.16B, WZR\n\t"
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"RET"
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:
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: "r"(&ctx), "r"(entry), "r"(entryArgument), "r"(handle)
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: "x0", "x1", "lr"
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);
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__builtin_unreachable();
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}
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void KThread::Start(bool self) {
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if (!running) {
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running = true;
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state.logger->Debug("Starting thread #{}", id);
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if (!stack) {
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stack = stack.make_shared(state, reinterpret_cast<u8 *>(state.process->memory.stack.address), constant::DefaultStackSize, memory::Permission{true, true, false}, memory::states::Stack);
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if (mprotect(stack->ptr, PAGE_SIZE, PROT_NONE))
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throw exception("Failed to create guard page for thread stack at 0x{:X}", stack->ptr);
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}
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if (self)
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StartThread();
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else
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thread.emplace(&KThread::StartThread, this);
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2019-11-17 21:19:01 +01:00
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}
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2019-09-24 22:54:27 +02:00
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}
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2019-11-22 15:59:50 +01:00
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void KThread::Kill() {
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2020-10-07 17:41:13 +02:00
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if (running) {
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running = false;
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2020-04-22 19:02:27 +02:00
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2020-10-07 17:41:13 +02:00
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Signal();
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exit(0);
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//tgkill(gettgid(), tid, SIGTERM);
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2019-11-22 15:59:50 +01:00
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}
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}
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2020-04-22 19:02:27 +02:00
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void KThread::UpdatePriority(i8 priority) {
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2019-09-24 22:54:27 +02:00
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this->priority = priority;
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2020-10-07 17:41:13 +02:00
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auto priorityValue{constant::AndroidPriority.Rescale(constant::HosPriority, priority)};
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2020-03-25 18:59:37 +01:00
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2020-10-07 17:41:13 +02:00
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if (setpriority(PRIO_PROCESS, getpid(), priorityValue) == -1)
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throw exception("Couldn't set thread priority to {} for #{}", priorityValue, id);
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Framebuffer and NativeActivity
What was added:
* Framebuffer
* NativeActivity
* NV Services
* IOCTL Handler
* NV Devices:
* * /dev/nvmap - 0xC0080101, 0xC0080103, 0xC0200104, 0xC0180105, 0xC00C0109, 0xC008010E
* * /dev/nvhost-as-gpu
* * /dev/nvhost-channel - 0x40044801, 0xC0104809, 0xC010480B, 0xC018480C, 0x4004480D, 0xC020481A, 0x40084714
* * /dev/nvhost-ctrl
* * /dev/nvhost-ctrl-gpu - 0x80044701, 0x80284702, 0xC0184706, 0xC0B04705, 0x80084714
* SVCs:
* * SetMemoryAttribute
* * CreateTransferMemory
* * ResetSignal
* * GetSystemTick
* Addition of Compact Logger
What was fixed:
* SVCs:
* * SetHeapSize
* * SetMemoryAttribute
* * QueryMemory
* A release build would not set CMAKE_BUILD_TYPE to "RELEASE"
* The logger code was simplified
2019-11-13 21:09:31 +01:00
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}
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2019-09-24 22:54:27 +02:00
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}
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