Re: [Qemu-devel] [PATCH] mips: implement qmp query-cpu-definitions command

["Pavel Dovgalyuk" <dovgaluk@ispras.ru>]

Ping.


Pavel Dovgalyuk

> -----Original Message-----
> From: Pavel Dovgalyuk [mailto:Pavel.Dovgaluk@ispras.ru]
> Sent: Tuesday, February 05, 2019 4:08 PM
> To: qemu-devel@nongnu.org
> Cc: pavel.dovgaluk@ispras.ru; arikalo@wavecomp.com; mdroth@linux.vnet.ibm.com;
> armbru@redhat.com; dovgaluk@ispras.ru; natalia.fursova@ispras.ru; eblake@redhat.com;
> aurelien@aurel32.net
> Subject: [PATCH] mips: implement qmp query-cpu-definitions command
> 
> This patch enables QMP-based querying of the available CPU types for MIPS
> and MIPS64 platforms.
> 
> Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
> ---
>  monitor.c            |    2 +-
>  target/mips/helper.c |   33 +++++++++++++++++++++++++++++++++
>  2 files changed, 34 insertions(+), 1 deletion(-)
> 
> diff --git a/monitor.c b/monitor.c
> index c09fa63940..25d3b141ad 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -1165,7 +1165,7 @@ static void qmp_unregister_commands_hack(void)
>      qmp_unregister_command(&qmp_commands, "query-cpu-model-comparison");
>  #endif
>  #if !defined(TARGET_PPC) && !defined(TARGET_ARM) && !defined(TARGET_I386) \
> -    && !defined(TARGET_S390X)
> +    && !defined(TARGET_S390X) && !defined(TARGET_MIPS)
>      qmp_unregister_command(&qmp_commands, "query-cpu-definitions");
>  #endif
>  }
> diff --git a/target/mips/helper.c b/target/mips/helper.c
> index 8988452dbd..c84d056c09 100644
> --- a/target/mips/helper.c
> +++ b/target/mips/helper.c
> @@ -24,6 +24,7 @@
>  #include "exec/cpu_ldst.h"
>  #include "exec/log.h"
>  #include "hw/mips/cpudevs.h"
> +#include "sysemu/arch_init.h"
> 
>  enum {
>      TLBRET_XI = -6,
> @@ -1472,3 +1473,35 @@ void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
> 
>      cpu_loop_exit_restore(cs, pc);
>  }
> +
> +static void mips_cpu_add_definition(gpointer data, gpointer user_data)
> +{
> +    ObjectClass *oc = data;
> +    CpuDefinitionInfoList **cpu_list = user_data;
> +    CpuDefinitionInfoList *entry;
> +    CpuDefinitionInfo *info;
> +    const char *typename;
> +
> +    typename = object_class_get_name(oc);
> +    info = g_malloc0(sizeof(*info));
> +    info->name = g_strndup(typename,
> +                           strlen(typename) - strlen("-" TYPE_MIPS_CPU));
> +    info->q_typename = g_strdup(typename);
> +
> +    entry = g_malloc0(sizeof(*entry));
> +    entry->value = info;
> +    entry->next = *cpu_list;
> +    *cpu_list = entry;
> +}
> +
> +CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
> +{
> +    CpuDefinitionInfoList *cpu_list = NULL;
> +    GSList *list;
> +
> +    list = object_class_get_list(TYPE_MIPS_CPU, false);
> +    g_slist_foreach(list, mips_cpu_add_definition, &cpu_list);
> +    g_slist_free(list);
> +
> +    return cpu_list;
> +}