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| author | Peter Maydell <peter.maydell@linaro.org> | 2017-02-28 12:08:18 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-02-28 12:08:18 +0000 |
| commit | a5d8235545e98c1ce02560d5f4f57552d937efe9 (patch) | |
| tree | 490954428128995e621b0cbec5bbdcd080c32a8a | |
| parent | a73c98e159d18155445d29b6044be6ad49fd802f (diff) | |
| download | qemu-a5d8235545e98c1ce02560d5f4f57552d937efe9.tar.gz | |
armv7m: Remove unused armv7m_nvic_acknowledge_irq() return value
Having armv7m_nvic_acknowledge_irq() return the new value of
env->v7m.exception and its one caller assign the return value
back to env->v7m.exception is pointless. Just make the return
type void instead.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
| -rw-r--r-- | hw/intc/armv7m_nvic.c | 4 | ||||
| -rw-r--r-- | target/arm/cpu.h | 2 | ||||
| -rw-r--r-- | target/arm/helper.c | 2 |
3 files changed, 3 insertions, 5 deletions
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index 479acfcae9..9336bca142 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -412,7 +412,7 @@ void armv7m_nvic_set_pending(void *opaque, int irq) } /* Make pending IRQ active. */ -int armv7m_nvic_acknowledge_irq(void *opaque) +void armv7m_nvic_acknowledge_irq(void *opaque) { NVICState *s = (NVICState *)opaque; CPUARMState *env = &s->cpu->env; @@ -439,8 +439,6 @@ int armv7m_nvic_acknowledge_irq(void *opaque) env->v7m.exception = s->vectpending; nvic_irq_update(s); - - return env->v7m.exception; } void armv7m_nvic_complete_irq(void *opaque, int irq) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index 649f237561..68ad00c480 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -1365,7 +1365,7 @@ static inline bool armv7m_nvic_can_take_pending_exception(void *opaque) } #endif void armv7m_nvic_set_pending(void *opaque, int irq); -int armv7m_nvic_acknowledge_irq(void *opaque); +void armv7m_nvic_acknowledge_irq(void *opaque); void armv7m_nvic_complete_irq(void *opaque, int irq); /* Interface for defining coprocessor registers. diff --git a/target/arm/helper.c b/target/arm/helper.c index 2fc6802028..85d13647cd 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6142,7 +6142,7 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs) armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_DEBUG); return; case EXCP_IRQ: - env->v7m.exception = armv7m_nvic_acknowledge_irq(env->nvic); + armv7m_nvic_acknowledge_irq(env->nvic); break; case EXCP_EXCEPTION_EXIT: do_v7m_exception_exit(env); |