On Thu, 2015-07-02 at 14:44 +1000, Anton Blanchard wrote:
> We are setting SRR0 to the instruction before the one causing the
> unaligned exception. A quick testcase:
>
../..
> p_helper.c b/target-ppc/excp_helper.c
> index b803475..4250106 100644
> --- a/target-ppc/excp_helper.c
> +++ b/target-ppc/excp_helper.c
> @@ -200,7 +200,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu,
> int excp_model, int excp)
> /* Get rS/rD and rA from faulting opcode */
> env->spr[SPR_DSISR] |= (cpu_ldl_code(env, (env->nip - 4))
> & 0x03FF0000) >> 16;.
You need to also fix the above to use env->nip instead of env->nip - 4
when generating DSISR
> - goto store_current;
> + goto store_next;
> case POWERPC_EXCP_PROGRAM: /* Program exception
> */
> switch (env->error_code & ~0xF) {
> case POWERPC_EXCP_FP:
