On Wed, Dec 29, 2021 at 01:57:49PM -0300, Fabiano Rosas wrote:
> None of the interrupt setup code touches 'vector', so we can move it
> earlier in the function. This will allow us to later move the System
> Call Vectored setup that is on the top level into the
> POWERPC_EXCP_SYSCALL_VECTORED code block.
>
> This patch also moves the verification for when 'excp' does not have
> an address associated with it. We now bail a little earlier when that
> is the case. This should not cause any visible effects.
>
> Signed-off-by: Fabiano Rosas
> Reviewed-by: Cédric Le Goater
Reviewed-by: David Gibson
> ---
> target/ppc/excp_helper.c | 16
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
> index 9a03e4b896..1fe20b4806 100644
> --- a/target/ppc/excp_helper.c
> +++ b/target/ppc/excp_helper.c
> @@ -356,6 +356,14 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int
> excp_model, int excp)
> }
> #endif
>
> +vector = env->excp_vectors[excp];
> +if (vector == (target_ulong)-1ULL) {
> +cpu_abort(cs, "Raised an exception without defined vector %d\n",
> + excp);
> +}
> +
> +vector |= env->excp_prefix;
> +
> switch (excp) {
> case POWERPC_EXCP_CRITICAL:/* Critical input
> */
> switch (excp_model) {
> @@ -832,14 +840,6 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int
> excp_model, int excp)
> }
> #endif
>
> -vector = env->excp_vectors[excp];
> -if (vector == (target_ulong)-1ULL) {
> -cpu_abort(cs, "Raised an exception without defined vector %d\n",
> - excp);
> -}
> -
> -vector |= env->excp_prefix;
> -
> #if defined(TARGET_PPC64)
> if (excp_model == POWERPC_EXCP_BOOKE) {
> if (env->spr[SPR_BOOKE_EPCR] & EPCR_ICM) {
--
David Gibson| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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