On Fri, 13 Aug 2021 07:36:09 +0000 Janosch Frank <frankja@xxxxxxxxxxxxx> wrote: > For UV and format 4 SIE tests we need to handle the following PGM > exceptions: 0x3d Secure Storage Access (non-secure CPU accesses > secure storage) 0x3e Non-Secure Storage Access (secure CPU accesses > non-secure storage) 0x3f Mapping of secure guest is wrong > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> > --- > lib/s390x/asm/arch_def.h | 3 +++ > lib/s390x/interrupt.c | 3 +++ > 2 files changed, 6 insertions(+) > > diff --git a/lib/s390x/asm/arch_def.h b/lib/s390x/asm/arch_def.h > index 15cf7d48..4ca02c1d 100644 > --- a/lib/s390x/asm/arch_def.h > +++ b/lib/s390x/asm/arch_def.h > @@ -177,6 +177,9 @@ _Static_assert(sizeof(struct lowcore) == 0x1900, > "Lowcore size"); #define PGM_INT_CODE_REGION_FIRST_TRANS > 0x39 #define PGM_INT_CODE_REGION_SECOND_TRANS 0x3a > #define PGM_INT_CODE_REGION_THIRD_TRANS 0x3b > +#define PGM_INT_CODE_SECURE_STOR_ACCESS 0x3d > +#define PGM_INT_CODE_NON_SECURE_STOR_ACCESS 0x3e > +#define PGM_INT_CODE_SECURE_STOR_VIOLATION 0x3f > #define PGM_INT_CODE_MONITOR_EVENT 0x40 > #define PGM_INT_CODE_PER 0x80 > #define PGM_INT_CODE_CRYPTO_OPERATION 0x119 > diff --git a/lib/s390x/interrupt.c b/lib/s390x/interrupt.c > index 785b7355..01ded49d 100644 > --- a/lib/s390x/interrupt.c > +++ b/lib/s390x/interrupt.c > @@ -115,6 +115,9 @@ static void fixup_pgm_int(struct stack_frame_int > *stack) case PGM_INT_CODE_REGION_THIRD_TRANS: > case PGM_INT_CODE_PER: > case PGM_INT_CODE_CRYPTO_OPERATION: > + case PGM_INT_CODE_SECURE_STOR_ACCESS: > + case PGM_INT_CODE_NON_SECURE_STOR_ACCESS: > + case PGM_INT_CODE_SECURE_STOR_VIOLATION: > /* The interrupt was nullified, the old PSW points > at the > * responsible instruction. Forward the PSW so we > don't loop. */
