diff options
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/arm_gic.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c index d701e49..724bc9f 100644 --- a/hw/intc/arm_gic.c +++ b/hw/intc/arm_gic.c @@ -93,6 +93,7 @@ void gic_update(GICState *s) best_irq = 1023; for (irq = 0; irq < s->num_irq; irq++) { if (GIC_TEST_ENABLED(irq, cm) && gic_test_pending(s, irq, cm) && + (!GIC_TEST_ACTIVE(irq, cm)) && (irq < GIC_INTERNAL || GIC_TARGET(irq) & cm)) { if (GIC_GET_PRIORITY(irq, cpu) < best_prio) { best_prio = GIC_GET_PRIORITY(irq, cpu); @@ -255,7 +256,8 @@ static int gic_get_group_priority(GICState *s, int cpu, int irq) if (gic_has_groups(s) && !(s->cpu_ctlr[cpu] & GICC_CTLR_CBPR) && GIC_TEST_GROUP(irq, (1 << cpu))) { - bpr = s->abpr[cpu]; + bpr = s->abpr[cpu] - 1; + assert(bpr >= 0); } else { bpr = s->bpr[cpu]; } @@ -503,6 +505,11 @@ static void gic_set_cpu_control(GICState *s, int cpu, uint32_t value, static uint8_t gic_get_running_priority(GICState *s, int cpu, MemTxAttrs attrs) { + if ((s->revision != REV_11MPCORE) && (s->running_priority[cpu] > 0xff)) { + /* Idle priority */ + return 0xff; + } + if (s->security_extn && !attrs.secure) { if (s->running_priority[cpu] & 0x80) { /* Running priority in upper half of range: return the Non-secure @@ -1205,8 +1212,13 @@ static MemTxResult gic_cpu_read(GICState *s, int cpu, int offset, break; case 0x08: /* Binary Point */ if (s->security_extn && !attrs.secure) { - /* BPR is banked. Non-secure copy stored in ABPR. */ - *data = s->abpr[cpu]; + if (s->cpu_ctlr[cpu] & GICC_CTLR_CBPR) { + /* NS view of BPR when CBPR is 1 */ + *data = MIN(s->bpr[cpu] + 1, 7); + } else { + /* BPR is banked. Non-secure copy stored in ABPR. */ + *data = s->abpr[cpu]; + } } else { *data = s->bpr[cpu]; } @@ -1279,7 +1291,12 @@ static MemTxResult gic_cpu_write(GICState *s, int cpu, int offset, break; case 0x08: /* Binary Point */ if (s->security_extn && !attrs.secure) { - s->abpr[cpu] = MAX(value & 0x7, GIC_MIN_ABPR); + if (s->cpu_ctlr[cpu] & GICC_CTLR_CBPR) { + /* WI when CBPR is 1 */ + return MEMTX_OK; + } else { + s->abpr[cpu] = MAX(value & 0x7, GIC_MIN_ABPR); + } } else { s->bpr[cpu] = MAX(value & 0x7, GIC_MIN_BPR); } |