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-rw-r--r--hw/intc/armv7m_nvic.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 06d8db6bd6..81dcb83040 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -23,6 +23,7 @@
typedef struct {
GICState gic;
+ ARMCPU *cpu;
struct {
uint32_t control;
uint32_t reload;
@@ -155,7 +156,7 @@ void armv7m_nvic_complete_irq(void *opaque, int irq)
static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
{
- ARMCPU *cpu;
+ ARMCPU *cpu = s->cpu;
uint32_t val;
int irq;
@@ -187,11 +188,9 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
case 0x1c: /* SysTick Calibration Value. */
return 10000;
case 0xd00: /* CPUID Base. */
- cpu = ARM_CPU(qemu_get_cpu(0));
return cpu->midr;
case 0xd04: /* Interrupt Control State. */
/* VECTACTIVE */
- cpu = ARM_CPU(qemu_get_cpu(0));
val = cpu->env.v7m.exception;
if (val == 1023) {
val = 0;
@@ -222,7 +221,6 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
val |= (1 << 31);
return val;
case 0xd08: /* Vector Table Offset. */
- cpu = ARM_CPU(qemu_get_cpu(0));
return cpu->env.v7m.vecbase;
case 0xd0c: /* Application Interrupt/Reset Control. */
return 0xfa050000;
@@ -296,7 +294,7 @@ static uint32_t nvic_readl(nvic_state *s, uint32_t offset)
static void nvic_writel(nvic_state *s, uint32_t offset, uint32_t value)
{
- ARMCPU *cpu;
+ ARMCPU *cpu = s->cpu;
uint32_t oldval;
switch (offset) {
case 0x10: /* SysTick Control and Status. */
@@ -349,7 +347,6 @@ static void nvic_writel(nvic_state *s, uint32_t offset, uint32_t value)
}
break;
case 0xd08: /* Vector Table Offset. */
- cpu = ARM_CPU(qemu_get_cpu(0));
cpu->env.v7m.vecbase = value & 0xffffff80;
break;
case 0xd0c: /* Application Interrupt/Reset Control. */
@@ -495,6 +492,8 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
NVICClass *nc = NVIC_GET_CLASS(s);
Error *local_err = NULL;
+ s->cpu = ARM_CPU(qemu_get_cpu(0));
+ assert(s->cpu);
/* The NVIC always has only one CPU */
s->gic.num_cpu = 1;
/* Tell the common code we're an NVIC */