acadia/zion/scheduler/process.cpp
Drew Galbraith 960cbf9519 Add Scheduler wireframe.
Right now does nothing but has containing classes for process and thread
information.
2023-05-18 12:43:53 -07:00

34 lines
693 B
C++

#include "scheduler/process.h"
#include "debug/debug.h"
#include "scheduler/thread.h"
namespace {
static uint64_t gNextId = 1;
}
Process* Process::RootProcess() {
uint64_t pml4_addr = 0;
asm volatile("mov %%cr3, %0;" : "=r"(pml4_addr));
Process* proc = new Process(0, pml4_addr);
proc->thread_list_front_ = new ThreadEntry{
.thread = new Thread(proc, 0),
.next = nullptr,
};
proc->next_thread_id_ = 1;
return proc;
}
Thread* Process::GetThread(uint64_t tid) {
ThreadEntry* entry = thread_list_front_;
while (entry != nullptr) {
if (entry->thread->tid() == tid) {
return entry->thread;
}
}
panic("Bad thread access.");
return nullptr;
}