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thermopshere: add "execute function" sgi

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This commit is contained in:
TuxSH 2019-08-12 23:47:14 +02:00
parent 0b69407f8e
commit b2c5ef2611
5 changed files with 114 additions and 12 deletions
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18
thermosphere/src/irq.c
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@ -121,7 +121,10 @@ void initIrq(void)
initGic();
// Configure the interrupts we use here
configureInterrupt(0, 0, false);
for (u32 i = 0; i < ThermosphereSgi_Max; i++) {
configureInterrupt(i, 0, false);
}
configureInterrupt(GIC_IRQID_MAINTENANCE, 0, true);
recursiveSpinlockUnlockRestoreIrq(&g_irqManager.lock, flags);
@ -136,6 +139,7 @@ void handleIrqException(ExceptionStackFrame *frame, bool isLowerEl, bool isA32)
// Acknowledge the interrupt. Interrupt goes from pending to active.
u32 iar = gicc->iar;
u32 irqId = iar & 0x3FF;
u32 srcCore = (iar >> 12) & 7;
DEBUG("Received irq %x\n", irqId);
@ -146,7 +150,17 @@ void handleIrqException(ExceptionStackFrame *frame, bool isLowerEl, bool isA32)
bool isGuestInterrupt = false;
// TODO: handle the interrupt if it's a host interrupt
switch (irqId) {
case ThermosphereSgi_ExecuteFunction:
executeFunctionInterruptHandler(srcCore);
break;
case GIC_IRQID_MAINTENANCE:
/* TODO */
break;
default:
isGuestInterrupt = true;
break;
}
// Priority drop
gicc->eoir = iar;