Files
bsb2/kernel/thread/thread.cc
2025-11-20 17:07:34 +01:00

41 lines
1.2 KiB
C++

// vim: set noet ts=4 sw=4:
#include "thread.h"
#include "../debug/kernelpanic.h"
#include "../interrupt/guard.h"
#include "debug/output.h"
// counter for ID
static size_t idCounter = 1;
void Thread::kickoff(uintptr_t param1, uintptr_t param2, uintptr_t param3) {
Thread *thread = reinterpret_cast<Thread *>(param1);
assert(thread != nullptr && "Kickoff got nullptr pointer to Thread");
(void)param2; // will be used later
(void)param3; // will be used later
// The core must have entered level 1/2 to cause a thread to be scheduled.
Guard::leave();
thread->action();
}
void Thread::kickoffUsermode (Thread *object){
(void) object;
}
Thread::Thread() : queue_link(nullptr), id(idCounter++), kill_flag(false) {
void *tos = reinterpret_cast<void *>(reserved_stack_space + STACK_SIZE);
prepareContext(tos, context, kickoff, reinterpret_cast<uintptr_t>(this), 0,
0);
}
void Thread::resume(Thread *next) {
assert(next != nullptr && "Pointer to next Thread must not be nullptr!");
context_switch(&next->context, &context);
}
void Thread::go() { context_launch(&context); }
void Thread::action() { kernelpanic("Wrong entry / missing action in Thread"); }