arch/x86_64/tcb_switch.c


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#include "tasking.h"
#include "arch/processor.h"

extern void _arch_context_restore(uintptr_t rsp);

void
tcb_switch(tcb_t *to)
{
    processor_t *proc = processor_current();
    tcb_t *from = proc->tcb;

    proc->tcb = to;
    if(from != to) {
        pd_switch(to->pd);
    }
    tss_set_rsp(&proc->_tss, 0, to->ksp);
    _arch_context_restore(to->ksp);
}