diff options
| -rw-r--r-- | hw/intc/arm_gic.c | 14 | ||||
| -rw-r--r-- | hw/intc/armv7m_nvic.c | 2 | ||||
| -rw-r--r-- | hw/intc/gic_internal.h | 2 |
3 files changed, 14 insertions, 4 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c index 75c69b3fa3..4ad80e77bb 100644 --- a/hw/intc/arm_gic.c +++ b/hw/intc/arm_gic.c @@ -382,7 +382,7 @@ static uint8_t gic_get_running_priority(GICState *s, int cpu, MemTxAttrs attrs) } } -void gic_complete_irq(GICState *s, int cpu, int irq) +void gic_complete_irq(GICState *s, int cpu, int irq, MemTxAttrs attrs) { int update = 0; int cm = 1 << cpu; @@ -412,6 +412,16 @@ void gic_complete_irq(GICState *s, int cpu, int irq) } } + if (s->security_extn && !attrs.secure && !GIC_TEST_GROUP(irq, cm)) { + DPRINTF("Non-secure EOI for Group0 interrupt %d ignored\n", irq); + return; + } + + /* Secure EOI with GICC_CTLR.AckCtl == 0 when the IRQ is a Group 1 + * interrupt is UNPREDICTABLE. We choose to handle it as if AckCtl == 1, + * i.e. go ahead and complete the irq anyway. + */ + if (irq != s->running_irq[cpu]) { /* Complete an IRQ that is not currently running. */ int tmp = s->running_irq[cpu]; @@ -959,7 +969,7 @@ static MemTxResult gic_cpu_write(GICState *s, int cpu, int offset, } break; case 0x10: /* End Of Interrupt */ - gic_complete_irq(s, cpu, value & 0x3ff); + gic_complete_irq(s, cpu, value & 0x3ff, attrs); return MEMTX_OK; case 0x1c: /* Aliased Binary Point */ if (!gic_has_groups(s) || (s->security_extn && !attrs.secure)) { diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index a6567a378d..1bfff7530a 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -144,7 +144,7 @@ void armv7m_nvic_complete_irq(void *opaque, int irq) nvic_state *s = (nvic_state *)opaque; if (irq >= 16) irq += 16; - gic_complete_irq(&s->gic, 0, irq); + gic_complete_irq(&s->gic, 0, irq, MEMTXATTRS_UNSPECIFIED); } static uint32_t nvic_readl(nvic_state *s, uint32_t offset) diff --git a/hw/intc/gic_internal.h b/hw/intc/gic_internal.h index 119fb8147e..d3cebeff3b 100644 --- a/hw/intc/gic_internal.h +++ b/hw/intc/gic_internal.h @@ -79,7 +79,7 @@ void gic_set_pending_private(GICState *s, int cpu, int irq); uint32_t gic_acknowledge_irq(GICState *s, int cpu); -void gic_complete_irq(GICState *s, int cpu, int irq); +void gic_complete_irq(GICState *s, int cpu, int irq, MemTxAttrs attrs); void gic_update(GICState *s); void gic_init_irqs_and_distributor(GICState *s); void gic_set_priority(GICState *s, int cpu, int irq, uint8_t val, |