On 4/1/24 10:56, Sven Schnelle wrote:
This seems to be caused by IIAOQ's containing the upper bits. With the patch below i'm able to boot. Not sure whether it's correct though.diff --git a/target/hppa/int_helper.c b/target/hppa/int_helper.c index 58c13d3e61..f7c4cca8f1 100644 --- a/target/hppa/int_helper.c +++ b/target/hppa/int_helper.c @@ -123,8 +123,14 @@ void hppa_cpu_do_interrupt(CPUState *cs) env->cr[CR_IIASQ] = 0; env->cr_back[0] = 0; } - env->cr[CR_IIAOQ] = env->iaoq_f; - env->cr_back[1] = env->iaoq_b; + if (old_psw & PSW_W) { + env->cr[CR_IIAOQ] = env->iaoq_f; + env->cr_back[1] = env->iaoq_b; + } else { + env->cr[CR_IIAOQ] = (env->iaoq_f & 0xffffffff); + env->cr_back[1] = env->iaoq_b & 0xffffffff; + } +I guess the interesting question where should these bits get masked out - i would assume that this place is to late, and it should happen earlier in trans_be/when the iaoq value is copied. On the other hand you had one commit that removed the masking in copy_iaoq_entry()...
I would have said this masking should not happen at all. r~
