[libvirt] [PATCH 2/6] AArch64: CPU Support for AArch64 (ARMv8 64bit).

[Cole Robinson]

On 10/08/2013 09:49 AM, Pranavkumar Sawargaonkar wrote:
> Adding CPU encoder/decoder for AArch64.
> 
> Signed-off-by: Anup Patel <anup.patel at linaro.org>
> Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar at linaro.org>
> ---
>  src/Makefile.am       |    1 +
>  src/cpu/cpu.c         |    2 ++
>  src/cpu/cpu_aarch64.c |   79 +++++++++++++++++++++++++++++++++++++++++++++++++
>  src/cpu/cpu_aarch64.h |   31 +++++++++++++++++++
>  4 files changed, 113 insertions(+)
>  create mode 100644 src/cpu/cpu_aarch64.c
>  create mode 100644 src/cpu/cpu_aarch64.h
> 
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 201c268..d5e62d8 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -900,6 +900,7 @@ CPU_SOURCES =							\
>  		cpu/cpu_x86.h cpu/cpu_x86.c cpu/cpu_x86_data.h	\
>  		cpu/cpu_s390.h cpu/cpu_s390.c			\
>  		cpu/cpu_arm.h cpu/cpu_arm.c			\
> +		cpu/cpu_aarch64.h cpu/cpu_aarch64.c		\
>  		cpu/cpu_map.h cpu/cpu_map.c cpu/cpu_powerpc.h	\
>  		cpu/cpu_powerpc.c cpu/cpu_ppc_data.h
>  
> diff --git a/src/cpu/cpu.c b/src/cpu/cpu.c
> index 31de857..e611452 100644
> --- a/src/cpu/cpu.c
> +++ b/src/cpu/cpu.c
> @@ -32,6 +32,7 @@
>  #include "cpu_powerpc.h"
>  #include "cpu_s390.h"
>  #include "cpu_arm.h"
> +#include "cpu_aarch64.h"
>  #include "cpu_generic.h"
>  #include "util/virstring.h"
>  
> @@ -44,6 +45,7 @@ static struct cpuArchDriver *drivers[] = {
>      &cpuDriverPowerPC,
>      &cpuDriverS390,
>      &cpuDriverArm,
> +    &cpuDriverAARCH64,
>      /* generic driver must always be the last one */
>      &cpuDriverGeneric
>  };
> diff --git a/src/cpu/cpu_aarch64.c b/src/cpu/cpu_aarch64.c
> new file mode 100644
> index 0000000..8c78eca
> --- /dev/null
> +++ b/src/cpu/cpu_aarch64.c
> @@ -0,0 +1,79 @@
> +/*
> + * cpu_aarch64.c: CPU driver for AArch64 CPUs
> + *
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library.  If not, see
> + * <http://www.gnu.org/licenses/>.
> + *
> + * Authors:
> + *      Anup Patel <anup.patel at linaro.org>
> + *      Pranavkumar Sawargaonkar <pranavkumar at linaro.org>
> + */
> +
> +#include <config.h>
> +
> +#include "viralloc.h"
> +#include "cpu.h"
> +
> +#define VIR_FROM_THIS VIR_FROM_CPU
> +
> +static const virArch archs[] = { VIR_ARCH_AARCH64 };
> +
> +static virCPUDataPtr
> +AArch64NodeData(virArch arch)
> +{
> +    virCPUDataPtr data;
> +
> +    if (VIR_ALLOC(data) < 0)
> +        return NULL;
> +
> +    data->arch = arch;
> +
> +    return data;
> +}
> +
> +static int
> +AArch64Decode(virCPUDefPtr cpu ATTRIBUTE_UNUSED,
> +          const virCPUDataPtr data ATTRIBUTE_UNUSED,
> +          const char **models ATTRIBUTE_UNUSED,
> +          unsigned int nmodels ATTRIBUTE_UNUSED,
> +          const char *preferred ATTRIBUTE_UNUSED,
> +          unsigned int flags)
> +{
> +
> +    virCheckFlags(VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES, -1);
> +
> +    return 0;
> +}
> +
> +static void
> +AArch64DataFree(virCPUDataPtr data)
> +{
> +    VIR_FREE(data);
> +}
> +
> +struct cpuArchDriver cpuDriverAARCH64 = {
> +    .name = "aarch64",
> +    .arch = archs,
> +    .narch = ARRAY_CARDINALITY(archs),
> +    .compare = NULL,
> +    .decode = AArch64Decode,
> +    .encode = NULL,
> +    .free = AArch64DataFree,
> +    .nodeData = AArch64NodeData,
> +    .guestData = NULL,
> +    .baseline = NULL,
> +    .update = NULL,
> +    .hasFeature = NULL,
> +};
> diff --git a/src/cpu/cpu_aarch64.h b/src/cpu/cpu_aarch64.h
> new file mode 100644
> index 0000000..8e48368
> --- /dev/null
> +++ b/src/cpu/cpu_aarch64.h
> @@ -0,0 +1,31 @@
> +/*
> + * cpu_aarch64.h: CPU driver for AArch64 CPUs
> + *
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library.  If not, see
> + * <http://www.gnu.org/licenses/>.
> + *
> + * Authors:
> + *      Anup Patel <anup.patel at linaro.org>
> + *      Pravakumar Sawargaonkar <pranavkumar at linaro.org>
> + */
> +
> +#ifndef __VIR_CPU_AARCH64_H__
> +# define __VIR_CPU_AARCH64_H__
> +
> +# include "cpu.h"
> +
> +extern struct cpuArchDriver cpuDriverAARCH64;
> +
> +#endif /* __VIR_CPU_AARCH64_H__ */
> 

Follows what is down for cpu_arm.c

ACK

- Cole