Re: [Qemu-devel] [PATCH 10/23] target-cris: Use cpu_exec_interrupt qom hook

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

On Sat, Sep 13, 2014 at 09:45:21AM -0700, Richard Henderson wrote:
> Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
> Signed-off-by: Richard Henderson <rth@twiddle.net>

Both CRIS and MicroBlaze look good, thanks.

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
>  cpu-exec.c            | 21 ---------------------
>  target-cris/cpu-qom.h |  1 +
>  target-cris/cpu.c     |  1 +
>  target-cris/helper.c  | 31 +++++++++++++++++++++++++++++++
>  4 files changed, 33 insertions(+), 21 deletions(-)
> 
> diff --git a/cpu-exec.c b/cpu-exec.c
> index 8ff85ba..7efcf27 100644
> --- a/cpu-exec.c
> +++ b/cpu-exec.c
> @@ -629,27 +629,6 @@ int cpu_exec(CPUArchState *env)
>                              next_tb = 0;
>                          }
>                      }
> -#elif defined(TARGET_CRIS)
> -                    if (interrupt_request & CPU_INTERRUPT_HARD
> -                        && (env->pregs[PR_CCS] & I_FLAG)
> -                        && !env->locked_irq) {
> -                        cpu->exception_index = EXCP_IRQ;
> -                        cc->do_interrupt(cpu);
> -                        next_tb = 0;
> -                    }
> -                    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)) {
> -                            cpu->exception_index = EXCP_NMI;
> -                            cc->do_interrupt(cpu);
> -                            next_tb = 0;
> -                        }
> -                    }
>  #endif
>                      /* The target hook has 3 exit conditions:
>                         False when the interrupt isn't processed,
> diff --git a/target-cris/cpu-qom.h b/target-cris/cpu-qom.h
> index 7559366..6fc30c2 100644
> --- a/target-cris/cpu-qom.h
> +++ b/target-cris/cpu-qom.h
> @@ -75,6 +75,7 @@ static inline CRISCPU *cris_env_get_cpu(CPUCRISState *env)
>  
>  void cris_cpu_do_interrupt(CPUState *cpu);
>  void crisv10_cpu_do_interrupt(CPUState *cpu);
> +bool cris_cpu_exec_interrupt(CPUState *cpu, int int_req);
>  
>  void cris_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
>                           int flags);
> diff --git a/target-cris/cpu.c b/target-cris/cpu.c
> index 20d8809..528e458 100644
> --- a/target-cris/cpu.c
> +++ b/target-cris/cpu.c
> @@ -279,6 +279,7 @@ static void cris_cpu_class_init(ObjectClass *oc, void *data)
>      cc->class_by_name = cris_cpu_class_by_name;
>      cc->has_work = cris_cpu_has_work;
>      cc->do_interrupt = cris_cpu_do_interrupt;
> +    cc->cpu_exec_interrupt = cris_cpu_exec_interrupt;
>      cc->dump_state = cris_cpu_dump_state;
>      cc->set_pc = cris_cpu_set_pc;
>      cc->gdb_read_register = cris_cpu_gdb_read_register;
> diff --git a/target-cris/helper.c b/target-cris/helper.c
> index e8b8261..e901c3a 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;
> +}
> -- 
> 1.9.3
>