Re: [Qemu-devel] [PATCH v1 5/6] qom/cpu: Add Memory Region Property

[Paolo Bonzini <pbonzini@redhat.com>]

Il 26/08/2014 02:59, Peter Crosthwaite ha scritto:
> Which is used to construct a per-CPU address space. The Address space
> will be created at realize time.
> 
> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
> ---
> 
>  include/qom/cpu.h |  1 +
>  qom/cpu.c         | 11 +++++++++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/include/qom/cpu.h b/include/qom/cpu.h
> index 1aafbf5..192d337 100644
> --- a/include/qom/cpu.h
> +++ b/include/qom/cpu.h
> @@ -242,6 +242,7 @@ struct CPUState {
>      int64_t icount_extra;
>      sigjmp_buf jmp_env;
>  
> +    MemoryRegion *mr;
>      AddressSpace *as;
>      MemoryListener *tcg_as_listener;
>  
> diff --git a/qom/cpu.c b/qom/cpu.c
> index b32dd0a..899071e 100644
> --- a/qom/cpu.c
> +++ b/qom/cpu.c
> @@ -25,6 +25,10 @@
>  #include "qemu/log.h"
>  #include "qemu/error-report.h"
>  #include "sysemu/sysemu.h"
> +#include "exec/memory.h"
> +#include "qapi/visitor.h"
> +#include "exec/address-spaces.h"
> +#include "hw/qdev-properties.h"
>  
>  bool cpu_exists(int64_t id)
>  {
> @@ -314,6 +318,13 @@ static void cpu_common_initfn(Object *obj)
>      CPUClass *cc = CPU_GET_CLASS(obj);
>  
>      cpu->gdb_num_regs = cpu->gdb_num_g_regs = cc->gdb_num_core_regs;
> +#ifndef CONFIG_USER_ONLY
> +    object_property_add_link(obj, "mr", TYPE_MEMORY_REGION,

Please use a clearer name such as "memory".

Paolo

> +                             (Object **)&cpu->mr,
> +                             qdev_prop_allow_set_link_before_realize,
> +                             OBJ_PROP_LINK_UNREF_ON_RELEASE,
> +                             &error_abort);
> +#endif
>  }
>  
>  static int64_t cpu_common_get_arch_id(CPUState *cpu)
>