35 lines
888 B
C++
35 lines
888 B
C++
#include "scheduler/thread.h"
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#include "debug/debug.h"
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#include "scheduler/process.h"
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#include "scheduler/scheduler.h"
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namespace {
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extern "C" void thread_init() {
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asm("sti");
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dbgln("New Thread!");
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sched::Yield();
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panic("End of thread.");
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}
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} // namespace
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Thread* Thread::RootThread(Process* root_proc) { return new Thread(root_proc); }
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Thread::Thread(Process* proc, uint64_t tid) : process_(proc), id_(tid) {
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uint64_t* stack = new uint64_t[512];
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uint64_t* stack_ptr = stack + 511;
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// 0: rip
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*(stack_ptr) = reinterpret_cast<uint64_t>(thread_init);
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// 1-4: rax, rcx, rdx, rbx
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// 5: rbp
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*(stack_ptr - 5) = reinterpret_cast<uint64_t>(stack_ptr + 1);
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// 6-15: rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15
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// 16: cr3
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*(stack_ptr - 16) = proc->cr3();
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rsp0_ = reinterpret_cast<uint64_t>(stack_ptr - 16);
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}
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uint64_t Thread::pid() { return process_->id(); }
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