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Code Issues Releases Activity

thermosphere: fix wrong icfgr shift; fix list handling bug

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This commit is contained in:
TuxSH 2020-01-05 16:04:53 +00:00
parent 03fe744bc4
commit c42aef6ba7
3 changed files with 13 additions and 7 deletions
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4
thermosphere/src/irq.c
View file

@ -104,8 +104,8 @@ static void configureInterrupt(u16 id, u8 prio, bool isLevelSensitive)
if (id >= 32) {
u32 cfgr = gicd->icfgr[id / 16];
cfgr &= ~(3 << (2 * (id % 16)));
cfgr |= (!isLevelSensitive ? 3 : 1) << (2 * (id % 16));
cfgr &= ~(3 << IRQ_CFGR_SHIFT(id));
cfgr |= (!isLevelSensitive ? 3 : 1) << IRQ_CFGR_SHIFT(id);
gicd->icfgr[id / 16] = cfgr;
gicd->itargetsr[id] |= currentCoreCtx->gicInterfaceMask;
}

2
thermosphere/src/irq.h
View file

@ -25,6 +25,8 @@
#define IRQ_PRIORITY_HOST 0
#define IRQ_PRIORITY_GUEST 1
#define IRQ_CFGR_SHIFT(id) (2*((id) % 16))
typedef struct IrqManager {
RecursiveSpinlock lock;
ArmGicV2 gic;

14
thermosphere/src/vgic.c
View file

@ -135,7 +135,7 @@ void vgicDebugPrintLrList(void)
DEBUG("core %u lr [", currentCoreCtx->coreId);
for (u32 i = 0; i < g_irqManager.numListRegisters; i++) {
if (g_vgicUsedLrMap[currentCoreCtx->coreId] & BITL(i)) {
DEBUG("%u,", vgicGetVirqStateIndex(vgicGetVirqState(currentCoreCtx->coreId, g_irqManager.gic.gich->lr[i].virtualId)));
DEBUG("%u,", g_irqManager.gic.gich->lr[i].virtualId);
} else {
DEBUG("-,");
}
@ -157,6 +157,7 @@ static void vgicEnqueueVirqState(VirqStateList *list, VirqState *elem)
if (list->first == vgicGetQueueEnd()) {
list->first = list->last = elem;
elem->listPrev = elem->listNext = VIRQLIST_END_ID;
//vgicDebugPrintList(list);
return;
}
@ -178,7 +179,9 @@ static void vgicEnqueueVirqState(VirqStateList *list, VirqState *elem)
// Otherwise, insert before
u32 idx = vgicGetVirqStateIndex(elem);
u32 posidx = vgicGetVirqStateIndex(pos);
u32 previdx = pos->listPrev;
VirqState *prev = vgicGetPrevQueuedVirqState(pos);
elem->listNext = posidx;
elem->listPrev = previdx;
@ -188,10 +191,10 @@ static void vgicEnqueueVirqState(VirqStateList *list, VirqState *elem)
if (pos == list->first) {
list->first = elem;
} else {
VirqState *prev = vgicGetPrevQueuedVirqState(pos);
prev->listNext = idx;
}
}
//vgicDebugPrintList(list);
}
static void vgicDequeueVirqState(VirqStateList *list, VirqState *elem)
@ -217,6 +220,7 @@ static void vgicDequeueVirqState(VirqStateList *list, VirqState *elem)
}
elem->listPrev = elem->listNext = VIRQLIST_INVALID_ID;
//vgicDebugPrintList(list);
}
static inline void vgicNotifyOtherCoreList(u32 coreList)
@ -235,7 +239,7 @@ static inline bool vgicIsVirqEdgeTriggered(u16 id)
if (id < 16) {
return true;
} else {
return (g_irqManager.gic.gicd->icfgr[id / 16] & (2 << (id % 16))) != 0;
return (g_irqManager.gic.gicd->icfgr[id / 16] & (2 << IRQ_CFGR_SHIFT(id))) != 0;
}
}
@ -409,8 +413,8 @@ static inline void vgicSetInterruptConfigBits(u16 id, u32 config)
// Expose bit(2n) as nonprogrammable to the guest no matter what the physical distributor actually behaves
u32 cfg = g_irqManager.gic.gicd->icfgr[id / 16];
cfg &= ~(2 << (id % 16));
cfg |= (config & 2) << (id % 16);
cfg &= ~(2 << IRQ_CFGR_SHIFT(id));
cfg |= (config & 2) << IRQ_CFGR_SHIFT(id);
g_irqManager.gic.gicd->icfgr[id / 16] = cfg;
}