[PATCH v2 10/13] RISC-V: KVM: selftests: Move sbi_ecall to processor.c

[Anup Patel]

On Thu, Dec 14, 2023 at 3:46 PM Andrew Jones <ajones at ventanamicro.com> wrote:
>
> sbi_ecall() isn't ucall specific and its prototype is already in
> processor.h. Move its implementation to processor.c.
>
> Signed-off-by: Andrew Jones <ajones at ventanamicro.com>

LGTM.

Reviewed-by: Anup Patel <anup at brainfault.org

Regards,
Anup

> ---
>  .../selftests/kvm/lib/riscv/processor.c       | 26 +++++++++++++++++++
>  tools/testing/selftests/kvm/lib/riscv/ucall.c | 26 -------------------
>  2 files changed, 26 insertions(+), 26 deletions(-)
>
> diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
> index 6c25f7843ef4..6905a4348380 100644
> --- a/tools/testing/selftests/kvm/lib/riscv/processor.c
> +++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
> @@ -367,3 +367,29 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
>  void assert_on_unhandled_exception(struct kvm_vcpu *vcpu)
>  {
>  }
> +
> +struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
> +                       unsigned long arg1, unsigned long arg2,
> +                       unsigned long arg3, unsigned long arg4,
> +                       unsigned long arg5)
> +{
> +       register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0);
> +       register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1);
> +       register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2);
> +       register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3);
> +       register uintptr_t a4 asm ("a4") = (uintptr_t)(arg4);
> +       register uintptr_t a5 asm ("a5") = (uintptr_t)(arg5);
> +       register uintptr_t a6 asm ("a6") = (uintptr_t)(fid);
> +       register uintptr_t a7 asm ("a7") = (uintptr_t)(ext);
> +       struct sbiret ret;
> +
> +       asm volatile (
> +               "ecall"
> +               : "+r" (a0), "+r" (a1)
> +               : "r" (a2), "r" (a3), "r" (a4), "r" (a5), "r" (a6), "r" (a7)
> +               : "memory");
> +       ret.error = a0;
> +       ret.value = a1;
> +
> +       return ret;
> +}
> diff --git a/tools/testing/selftests/kvm/lib/riscv/ucall.c b/tools/testing/selftests/kvm/lib/riscv/ucall.c
> index fe6d1004f018..14ee17151a59 100644
> --- a/tools/testing/selftests/kvm/lib/riscv/ucall.c
> +++ b/tools/testing/selftests/kvm/lib/riscv/ucall.c
> @@ -10,32 +10,6 @@
>  #include "kvm_util.h"
>  #include "processor.h"
>
> -struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
> -                       unsigned long arg1, unsigned long arg2,
> -                       unsigned long arg3, unsigned long arg4,
> -                       unsigned long arg5)
> -{
> -       register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0);
> -       register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1);
> -       register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2);
> -       register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3);
> -       register uintptr_t a4 asm ("a4") = (uintptr_t)(arg4);
> -       register uintptr_t a5 asm ("a5") = (uintptr_t)(arg5);
> -       register uintptr_t a6 asm ("a6") = (uintptr_t)(fid);
> -       register uintptr_t a7 asm ("a7") = (uintptr_t)(ext);
> -       struct sbiret ret;
> -
> -       asm volatile (
> -               "ecall"
> -               : "+r" (a0), "+r" (a1)
> -               : "r" (a2), "r" (a3), "r" (a4), "r" (a5), "r" (a6), "r" (a7)
> -               : "memory");
> -       ret.error = a0;
> -       ret.value = a1;
> -
> -       return ret;
> -}
> -
>  void *ucall_arch_get_ucall(struct kvm_vcpu *vcpu)
>  {
>         struct kvm_run *run = vcpu->run;
> --
> 2.43.0
>