diff options
Diffstat (limited to 'target-cris/helper.c')
-rw-r--r-- | target-cris/helper.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target-cris/helper.c b/target-cris/helper.c index e8b8261fe9..e901c3a008 100644 --- a/target-cris/helper.c +++ b/target-cris/helper.c @@ -283,3 +283,34 @@ hwaddr cris_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) return phy; } #endif + +bool cris_cpu_exec_interrupt(CPUState *cs, int interrupt_request) +{ + CPUClass *cc = CPU_GET_CLASS(cs); + CRISCPU *cpu = CRIS_CPU(cs); + CPUCRISState *env = &cpu->env; + bool ret = false; + + if (interrupt_request & CPU_INTERRUPT_HARD + && (env->pregs[PR_CCS] & I_FLAG) + && !env->locked_irq) { + cs->exception_index = EXCP_IRQ; + cc->do_interrupt(cs); + ret = true; + } + if (interrupt_request & CPU_INTERRUPT_NMI) { + unsigned int m_flag_archval; + if (env->pregs[PR_VR] < 32) { + m_flag_archval = M_FLAG_V10; + } else { + m_flag_archval = M_FLAG_V32; + } + if ((env->pregs[PR_CCS] & m_flag_archval)) { + cs->exception_index = EXCP_NMI; + cc->do_interrupt(cs); + ret = true; + } + } + + return ret; +} |