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Diffstat (limited to 'hw/xics.c')
-rw-r--r--hw/xics.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/hw/xics.c b/hw/xics.c
index 33f99c7757..55899ce77d 100644
--- a/hw/xics.c
+++ b/hw/xics.c
@@ -179,13 +179,13 @@ struct ics_irq_state {
#define XICS_STATUS_REJECTED 0x4
#define XICS_STATUS_MASKED_PENDING 0x8
uint8_t status;
- bool lsi;
};
struct ics_state {
int nr_irqs;
int offset;
qemu_irq *qirqs;
+ bool *islsi;
struct ics_irq_state *irqs;
struct icp_state *icp;
};
@@ -254,9 +254,8 @@ static void set_irq_lsi(struct ics_state *ics, int srcno, int val)
static void ics_set_irq(void *opaque, int srcno, int val)
{
struct ics_state *ics = (struct ics_state *)opaque;
- struct ics_irq_state *irq = ics->irqs + srcno;
- if (irq->lsi) {
+ if (ics->islsi[srcno]) {
set_irq_lsi(ics, srcno, val);
} else {
set_irq_msi(ics, srcno, val);
@@ -293,7 +292,7 @@ static void ics_write_xive(struct ics_state *ics, int nr, int server,
trace_xics_ics_write_xive(nr, srcno, server, priority);
- if (irq->lsi) {
+ if (ics->islsi[srcno]) {
write_xive_lsi(ics, srcno);
} else {
write_xive_msi(ics, srcno);
@@ -314,10 +313,8 @@ static void ics_resend(struct ics_state *ics)
int i;
for (i = 0; i < ics->nr_irqs; i++) {
- struct ics_irq_state *irq = ics->irqs + i;
-
/* FIXME: filter by server#? */
- if (irq->lsi) {
+ if (ics->islsi[i]) {
resend_lsi(ics, i);
} else {
resend_msi(ics, i);
@@ -332,7 +329,7 @@ static void ics_eoi(struct ics_state *ics, int nr)
trace_xics_ics_eoi(nr);
- if (irq->lsi) {
+ if (ics->islsi[srcno]) {
irq->status &= ~XICS_STATUS_SENT;
}
}
@@ -354,7 +351,7 @@ void xics_set_irq_type(struct icp_state *icp, int irq, bool lsi)
{
assert(ics_valid_irq(icp->ics, irq));
- icp->ics->irqs[irq - icp->ics->offset].lsi = lsi;
+ icp->ics->islsi[irq - icp->ics->offset] = lsi;
}
static target_ulong h_cppr(PowerPCCPU *cpu, sPAPREnvironment *spapr,
@@ -518,10 +515,8 @@ static void xics_reset(void *opaque)
qemu_set_irq(icp->ss[i].output, 0);
}
+ memset(ics->irqs, 0, sizeof(struct ics_irq_state) * ics->nr_irqs);
for (i = 0; i < ics->nr_irqs; i++) {
- /* Reset everything *except* the type */
- ics->irqs[i].server = 0;
- ics->irqs[i].status = 0;
ics->irqs[i].priority = 0xff;
ics->irqs[i].saved_priority = 0xff;
}
@@ -568,6 +563,7 @@ struct icp_state *xics_system_init(int nr_irqs)
ics->nr_irqs = nr_irqs;
ics->offset = XICS_IRQ_BASE;
ics->irqs = g_malloc0(nr_irqs * sizeof(struct ics_irq_state));
+ ics->islsi = g_malloc0(nr_irqs * sizeof(bool));
icp->ics = ics;
ics->icp = icp;