[PATCH 1/1] configs: qemu_arm64: disable SEMIHOSTING

[Ilias Apalodimas]

On Wed, 10 Dec 2025 at 01:59, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> Semihosting allows a virtual machine to write to the host file system.
> Such dangerous settings should not be in a defconfig.
>
> Move it to a CI configuration override.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> ---

Reviewed-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>

>  .azure-pipelines.yml         | 1 +
>  .gitlab-ci.yml               | 1 +
>  configs/qemu_arm64_defconfig | 1 -
>  3 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
> index 25b0e4c985c..81a36da7114 100644
> --- a/.azure-pipelines.yml
> +++ b/.azure-pipelines.yml
> @@ -504,6 +504,7 @@ stages:
>          qemu_arm64:
>            TEST_PY_BD: "qemu_arm64"
>            TEST_PY_TEST_SPEC: "not sleep"
> +          OVERRIDE: "-a CONFIG_SEMIHOSTING=y"
>          qemu_arm64_lwip:
>            TEST_PY_BD: "qemu_arm64_lwip"
>            TEST_PY_TEST_SPEC: "test_net_dhcp or test_net_ping or test_net_tftpboot"
> diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
> index 08bea0dd234..28a32f9f4d3 100644
> --- a/.gitlab-ci.yml
> +++ b/.gitlab-ci.yml
> @@ -387,6 +387,7 @@ qemu_arm64 test.py:
>    variables:
>      TEST_PY_BD: "qemu_arm64"
>      TEST_PY_TEST_SPEC: "not sleep"
> +    OVERRIDE: "-a CONFIG_SEMIHOSTING=y"
>    <<: *buildman_and_testpy_dfn
>
>  qemu_arm64_lwip test.py:
> diff --git a/configs/qemu_arm64_defconfig b/configs/qemu_arm64_defconfig
> index 12ed6b61239..fd0bdad2d62 100644
> --- a/configs/qemu_arm64_defconfig
> +++ b/configs/qemu_arm64_defconfig
> @@ -71,7 +71,6 @@ CONFIG_SYSRESET_PSCI=y
>  CONFIG_TPM2_MMIO=y
>  CONFIG_USB_EHCI_HCD=y
>  CONFIG_USB_EHCI_PCI=y
> -CONFIG_SEMIHOSTING=y
>  CONFIG_MBEDTLS_LIB=y
>  CONFIG_TPM=y
>  CONFIG_TPM_PCR_ALLOCATE=y
> --
> 2.51.0
>