On 5/28/2026 7:08 AM, Philippe Mathieu-Daudé wrote:
> Initialize the TypeInfo structure at runtime using the TargetInfo
> API to resolve TYPE_ACCEL_CPU, replacing CPU_RESOLVING_TYPE by
> target_cpu_type(). Since the code is no more target-specific, move
> it to accel-common.c, removing the need for accel-target.c.
> 
> Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
> ---
> Cc: Pierrick Bouvier <[email protected]>
> 
> Pierrick, this is an alternative for both
> [email protected]
> and
> [email protected]
> for your "single-binary: fix compilation/execution for {arm,
> aarch32, microblaze}" series. WDYT?
> ---
>  accel/accel-common.c | 15 +++++++++++++++
>  accel/accel-target.c | 41 -----------------------------------------
>  accel/meson.build    |  1 -
>  3 files changed, 15 insertions(+), 42 deletions(-)
>  delete mode 100644 accel/accel-target.c
> 
> diff --git a/accel/accel-common.c b/accel/accel-common.c
> index 9c5b4111c8d..62590a7d9a6 100644
> --- a/accel/accel-common.c
> +++ b/accel/accel-common.c
> @@ -134,3 +134,18 @@ static const TypeInfo accel_types[] = {
>  };
>  
>  DEFINE_TYPES(accel_types)
> +
> +static void register_accel_target_type(void)
> +{
> +    g_autofree char *name = g_strconcat("accel-", target_cpu_type(), NULL);
> +    const TypeInfo accel_cpu_type = {
> +        .name = name,
> +        .parent = TYPE_OBJECT,
> +        .abstract = true,
> +        .class_size = sizeof(AccelCPUClass),
> +    };
> +
> +    type_register_static(&accel_cpu_type);
> +}
> +
> +type_init(register_accel_target_type);
> diff --git a/accel/accel-target.c b/accel/accel-target.c
> deleted file mode 100644
> index 7fd392fbc4a..00000000000
> --- a/accel/accel-target.c
> +++ /dev/null
> @@ -1,41 +0,0 @@
> -/*
> - * QEMU accel class, components common to system emulation and user mode
> - *
> - * Copyright (c) 2003-2008 Fabrice Bellard
> - * Copyright (c) 2014 Red Hat Inc.
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a 
> copy
> - * of this software and associated documentation files (the "Software"), to 
> deal
> - * in the Software without restriction, including without limitation the 
> rights
> - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> - * copies of the Software, and to permit persons to whom the Software is
> - * furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice shall be included in
> - * all copies or substantial portions of the Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
> FROM,
> - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> - * THE SOFTWARE.
> - */
> -
> -#include "qemu/osdep.h"
> -#include "accel/accel-cpu-target.h"
> -
> -static const TypeInfo accel_cpu_type = {
> -    .name = TYPE_ACCEL_CPU,
> -    .parent = TYPE_OBJECT,
> -    .abstract = true,
> -    .class_size = sizeof(AccelCPUClass),
> -};
> -
> -static void register_accel_types(void)
> -{
> -    type_register_static(&accel_cpu_type);
> -}
> -
> -type_init(register_accel_types);
> diff --git a/accel/meson.build b/accel/meson.build
> index 7da12b9741f..1b5b37e3097 100644
> --- a/accel/meson.build
> +++ b/accel/meson.build
> @@ -1,5 +1,4 @@
>  common_ss.add(files('accel-common.c'))
> -specific_ss.add(files('accel-target.c'))
>  system_ss.add(files('accel-system.c', 'accel-blocker.c', 'accel-qmp.c', 
> 'accel-irq.c'))
>  user_ss.add(files('accel-user.c'))
>  

I'm open to follow this approach first .
The only downside is that it limits to a single accelerator parent type,
which will be a problem as soon as we have two arch using this framework
for tcg. Nothing we can't solve later though.

Regards,
Pierrick

Reply via email to