On Fri, Jan 8, 2021 at 3:05 PM Alex Bennée <[email protected]> wrote:
>
> From: Kito Cheng <[email protected]>
>
> This could made testing more easier and ARM/AArch64 has supported on
> their linux user mode too, so I think it should be reasonable.
>
> Verified GCC testsuite with newlib/semihosting.
>
> Signed-off-by: Kito Cheng <[email protected]>
> Reviewed-by: Keith Packard <[email protected]>
> Message-Id: <[email protected]>
> Signed-off-by: Alex Bennée <[email protected]>

Reviewed-by: Alistair Francis <[email protected]>

Alistair

> ---
>  linux-user/riscv/cpu_loop.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/linux-user/riscv/cpu_loop.c b/linux-user/riscv/cpu_loop.c
> index aa9e437875..9665dabb09 100644
> --- a/linux-user/riscv/cpu_loop.c
> +++ b/linux-user/riscv/cpu_loop.c
> @@ -23,6 +23,7 @@
>  #include "qemu.h"
>  #include "cpu_loop-common.h"
>  #include "elf.h"
> +#include "hw/semihosting/common-semi.h"
>
>  void cpu_loop(CPURISCVState *env)
>  {
> @@ -91,6 +92,10 @@ void cpu_loop(CPURISCVState *env)
>              sigcode = TARGET_SEGV_MAPERR;
>              sigaddr = env->badaddr;
>              break;
> +        case RISCV_EXCP_SEMIHOST:
> +            env->gpr[xA0] = do_common_semihosting(cs);
> +            env->pc += 4;
> +            break;
>          case EXCP_DEBUG:
>          gdbstep:
>              signum = TARGET_SIGTRAP;
> --
> 2.20.1
>
>

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