[PATCH 5/5] arm: use type jmp_buf instead of struct jmp_buf_data

[Ilias Apalodimas]

On Sun, 2 Mar 2025 at 14:22, Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> Instead of using the implementation specific struct jmp_buf_data use the
> standard compliant type jmp_buf when switching exception levels.
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

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

> ---
>  arch/arm/cpu/armv7/exception_level.c | 6 +++---
>  arch/arm/cpu/armv8/exception_level.c | 6 +++---
>  2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/cpu/armv7/exception_level.c b/arch/arm/cpu/armv7/exception_level.c
> index c63b0e13666..a55c158ce51 100644
> --- a/arch/arm/cpu/armv7/exception_level.c
> +++ b/arch/arm/cpu/armv7/exception_level.c
> @@ -24,7 +24,7 @@
>   *
>   * @non_secure_jmp:    jump buffer for restoring stack and registers
>   */
> -static void entry_non_secure(struct jmp_buf_data *non_secure_jmp)
> +static void entry_non_secure(jmp_buf non_secure_jmp)
>  {
>         dcache_enable();
>         debug("Reached non-secure mode\n");
> @@ -42,10 +42,10 @@ static void entry_non_secure(struct jmp_buf_data *non_secure_jmp)
>  void switch_to_non_secure_mode(void)
>  {
>         static bool is_nonsec;
> -       struct jmp_buf_data non_secure_jmp;
> +       jmp_buf non_secure_jmp;
>
>         if (armv7_boot_nonsec() && !is_nonsec) {
> -               if (setjmp(&non_secure_jmp))
> +               if (setjmp(non_secure_jmp))
>                         return;
>                 dcache_disable();       /* flush cache before switch to HYP */
>                 armv7_init_nonsec();
> diff --git a/arch/arm/cpu/armv8/exception_level.c b/arch/arm/cpu/armv8/exception_level.c
> index 58e816007f0..746737861e7 100644
> --- a/arch/arm/cpu/armv8/exception_level.c
> +++ b/arch/arm/cpu/armv8/exception_level.c
> @@ -23,7 +23,7 @@
>   *
>   * @non_secure_jmp:    jump buffer for restoring stack and registers
>   */
> -static void entry_non_secure(struct jmp_buf_data *non_secure_jmp)
> +static void entry_non_secure(jmp_buf non_secure_jmp)
>  {
>         dcache_enable();
>         debug("Reached non-secure mode\n");
> @@ -42,11 +42,11 @@ static void entry_non_secure(struct jmp_buf_data *non_secure_jmp)
>   */
>  void switch_to_non_secure_mode(void)
>  {
> -       struct jmp_buf_data non_secure_jmp;
> +       jmp_buf non_secure_jmp;
>
>         /* On AArch64 we need to make sure we call our payload in < EL3 */
>         if (current_el() == 3) {
> -               if (setjmp(&non_secure_jmp))
> +               if (setjmp(non_secure_jmp))
>                         return;
>                 dcache_disable();       /* flush cache before switch to EL2 */
>
> --
> 2.48.1
>