christoph/lecture-operating-system-development
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add logging + restore preemption

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This commit is contained in:
Christoph Urlacher
2022-07-16 16:35:59 +02:00
parent d3ea908a1c
commit a47635e022
2 changed files with 12 additions and 7 deletions
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14
c_os/devices/PIT.cc
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@ -62,6 +62,8 @@ void PIT::trigger() {
/* hier muss Code eingefuegt werden */
log << TRACE << "Incrementing systime" << endl;
// alle 10ms, Systemzeit weitersetzen
systime++;
@ -72,15 +74,15 @@ void PIT::trigger() {
/* hier muss Code eingefuegt werden */
// Indicator
if (systime - this->last_indicator_refresh >= 100) {
if (systime - this->last_indicator_refresh >= 10) {
this->indicator_pos = (this->indicator_pos + 1) % 4;
kout.show(79, 0, this->indicator[this->indicator_pos]);
this->last_indicator_refresh = systime;
}
// TODO: Move this out again
// Preemption
if (scheduler.preemption_enabled()) {
scheduler.preempt();
}
// Preemption
if (scheduler.preemption_enabled()) {
log << TRACE << "Preemption" << endl;
scheduler.preempt();
}
}