Hi,

> The risc v privileged specification requires hinval.vvma, hinval.gvma,
> sfence.w.inval and sfence.inval.ir should raise a virtual instruction
> exception when executed in the vu-mode. This patch add the check to
> raise the virtual instruction exception when is in the vu-mode.
> 
> changes in v2:
> - Remove the wrong `return true;` from macro
> 
> Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/3621
> 
> Signed-off-by: Christian S. Lima <[email protected]>
> ---
>  target/riscv/tcg/insn_trans/trans_svinval.c.inc |  3 +++
>  target/riscv/tcg/insn_trans/trans_xthead.c.inc  | 12 +++++++-----
>  2 files changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/target/riscv/tcg/insn_trans/trans_svinval.c.inc 
> b/target/riscv/tcg/insn_trans/trans_svinval.c.inc
> index 4614c1489c..5b1172672e 100644
> --- a/target/riscv/tcg/insn_trans/trans_svinval.c.inc
> +++ b/target/riscv/tcg/insn_trans/trans_svinval.c.inc
> @@ -25,6 +25,9 @@
>  /* Test if priv level is M or S. */
>  #define REQUIRE_PRIV_MS(ctx) do {          \
>      if (ctx->priv == PRV_U) {              \
> +        if (ctx->virt_enabled) {           \
> +            ctx->virt_inst_excp = true     \

I missed a `;` here and below, should I resend a v3?
> +        }                                  \
>          return false;                      \
>      }                                      \
>  } while (0)
> diff --git a/target/riscv/tcg/insn_trans/trans_xthead.c.inc 
> b/target/riscv/tcg/insn_trans/trans_xthead.c.inc
> index f4e3051000..4bf6594747 100644
> --- a/target/riscv/tcg/insn_trans/trans_xthead.c.inc
> +++ b/target/riscv/tcg/insn_trans/trans_xthead.c.inc
> @@ -267,11 +267,13 @@ static bool trans_th_tst(DisasContext *ctx, arg_th_tst 
> *a)
>  #define REQUIRE_PRIV_MSU(ctx)
>  
>  /* Test if priv level is M or S. */
> -#define REQUIRE_PRIV_MS(ctx)                                    \
> -do {                                                            \
> -    if (ctx->priv == PRV_U) {                                   \
> -        return false;                                           \
> -    }                                                           \
> +#define REQUIRE_PRIV_MS(ctx) do {          \
> +    if (ctx->priv == PRV_U) {              \
> +        if (ctx->virt_enabled) {           \
> +            ctx->virt_inst_excp = true     \
> +        }                                  \
> +        return false;                      \
> +    }                                      \
>  } while (0)
>  
>  #define NOP_PRIVCHECK(insn, extcheck, privcheck)                \
> -- 
> 2.55.0
> 
> 

Thanks, 
Christian

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