From: "alex_rozen...@mentor.com" <alex_rozen...@mentor.com>
When do_interrupt_v7m is called with EXCP_SWI, the PC already points to the next instruction. Don't modify it here. Signed-off-by: Alex Rozenman <alex_rozen...@mentor.com> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> --- target-arm/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target-arm/helper.c b/target-arm/helper.c index 0525aec..66ab78e 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -1736,7 +1736,7 @@ static void do_interrupt_v7m(CPUARMState *env) armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE); return; case EXCP_SWI: - env->regs[15] += 2; + /* The PC already points to the next instruction. */ armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_SVC); return; case EXCP_PREFETCH_ABORT: -- 1.7.9.5