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