[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v6 06/11] target/arm: Restrict ARMv7 R-profile cpus to TCG ac
From: |
Claudio Fontana |
Subject: |
Re: [PATCH v6 06/11] target/arm: Restrict ARMv7 R-profile cpus to TCG accel |
Date: |
Sun, 31 Jan 2021 15:29:52 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 |
On 1/31/21 12:50 PM, Philippe Mathieu-Daudé wrote:
> KVM requires the target cpu to be at least ARMv8 architecture
> (support on ARMv7 has been dropped in commit 82bf7ae84ce:
> "target/arm: Remove KVM support for 32-bit Arm hosts").
>
> Beside, KVM only supports A-profile, thus won't be able to run
> R-profile cpus.
>
> Only enable the following ARMv7 R-Profile CPUs when TCG is available:
>
> - Cortex-R5
> - Cortex-R5F
>
> The following machine is no more built when TCG is disabled:
>
> - xlnx-zcu102 Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5Fs
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> default-configs/devices/aarch64-softmmu.mak | 1 -
> hw/arm/Kconfig | 2 ++
> target/arm/Kconfig | 4 ++++
> 3 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/default-configs/devices/aarch64-softmmu.mak
> b/default-configs/devices/aarch64-softmmu.mak
> index 958b1e08e40..a4202f56817 100644
> --- a/default-configs/devices/aarch64-softmmu.mak
> +++ b/default-configs/devices/aarch64-softmmu.mak
> @@ -3,6 +3,5 @@
> # We support all the 32 bit boards so need all their config
> include arm-softmmu.mak
>
> -CONFIG_XLNX_ZYNQMP_ARM=y
> CONFIG_XLNX_VERSAL=y
> CONFIG_SBSA_REF=y
> diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
> index 6c4bce4d637..4baf1f97694 100644
> --- a/hw/arm/Kconfig
> +++ b/hw/arm/Kconfig
> @@ -360,8 +360,10 @@ config STM32F405_SOC
>
> config XLNX_ZYNQMP_ARM
> bool
> + default y if TCG && ARM
> select AHCI
> select ARM_GIC
> + select ARM_V7R
> select CADENCE
> select DDC
> select DPCD
> diff --git a/target/arm/Kconfig b/target/arm/Kconfig
> index fbb7bba9018..4dc96c46520 100644
> --- a/target/arm/Kconfig
> +++ b/target/arm/Kconfig
> @@ -18,6 +18,10 @@ config ARM_V6
> bool
> depends on TCG && ARM
>
> +config ARM_V7R
> + bool
> + depends on TCG && ARM
> +
> config ARM_V7M
> bool
> select PTIMER
>
Acked-by: Claudio Fontana <cfontana@suse.de>
- [PATCH v6 04/11] target/arm: Restrict ARMv5 cpus to TCG accel, (continued)
- [PATCH v6 04/11] target/arm: Restrict ARMv5 cpus to TCG accel, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 05/11] target/arm: Restrict ARMv6 cpus to TCG accel, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 07/11] target/arm: Restrict ARMv7 M-profile cpus to TCG accel, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 11/11] .travis.yml: Add a KVM-only Aarch64 job, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 06/11] target/arm: Restrict ARMv7 R-profile cpus to TCG accel, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 08/11] target/arm: Make m_helper.c optional via CONFIG_ARM_V7M, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 09/11] target/arm: Reorder meson.build rules, Philippe Mathieu-Daudé, 2021/01/31
- [PATCH v6 10/11] target/arm: Do not build TCG objects when TCG is off, Philippe Mathieu-Daudé, 2021/01/31
- Re: [PATCH v6 00/11] Support disabling TCG on ARM (part 2), Claudio Fontana, 2021/01/31