On 2021/6/26 下午11:31, Frank Chang wrote: > LIU Zhiwei > 於 > 2021年4月9日 週五 下午3:52寫道: > > The machine mode mclicbase CSR is an XLEN-bit read-only register > providing > the base address of CLIC memory mapped registers. > > Signed-off-by: LIU Zhiwei > > --- >  hw/intc/riscv_clic.c | 1 + >  target/riscv/cpu.h   | 1 + >  2 files changed, 2 insertions(+) > > diff --git a/hw/intc/riscv_clic.c b/hw/intc/riscv_clic.c > index 8ad534c506..e902dd4062 100644 > --- a/hw/intc/riscv_clic.c > +++ b/hw/intc/riscv_clic.c > @@ -715,6 +715,7 @@ static void riscv_clic_realize(DeviceState > *dev, Error **errp) >                                           &cpu->env, 1); >          qdev_connect_gpio_out(dev, i, irq); >          cpu->env.clic = clic; > +        cpu->env.mclicbase = clic->mclicbase; >      } >  } > > diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h > index b5fd796f98..b0b8565649 100644 > --- a/target/riscv/cpu.h > +++ b/target/riscv/cpu.h > @@ -162,6 +162,7 @@ struct CPURISCVState { >      uint32_t miclaim; >      uint32_t mintstatus; /* clic-spec */ >      target_ulong mintthresh; /* clic-spec */ > +    target_ulong mclicbase; /* clic-spec */ > >      target_ulong mie; >      target_ulong mideleg; > -- > 2.25.1 > > > > Is it because current spec doesn't specify the number of mclicbase CSR > (0x3??) > so you are not adding it into csr.c? Yes. Thanks, Zhiwei > > If so, > > Reviewed-by: Frank Chang >