static inline int
_cap_check(const cap_rights_t *havep, const cap_rights_t *needp,
enum ktr_cap_fail_type type)
{
if (!cap_rights_contains(havep, needp)) {
#ifdef KTRACE
if (KTRPOINT(curthread, KTR_CAPFAIL))
ktrcapfail(type, needp, havep);
#endif
return (ENOTCAPABLE);
}
return (0);
}
static inline int
_cap_check(cap_rights_t have, cap_rights_t need, enum ktr_cap_fail_type type)
{
if ((need & ~have) != 0) {
#ifdef KTRACE
if (KTRPOINT(curthread, KTR_CAPFAIL))
ktrcapfail(type, need, have);
#endif
return (ENOTCAPABLE);
}
return (0);
}
int
sysarch(struct thread *td, struct sysarch_args *uap)
{
int error;
#ifdef CAPABILITY_MODE
/*
* When adding new operations, add a new case statement here to
* explicitly indicate whether or not the operation is safe to
* perform in capability mode.
*/
if (IN_CAPABILITY_MODE(td)) {
switch (uap->op) {
case ARM_SYNC_ICACHE:
case ARM_DRAIN_WRITEBUF:
case ARM_SET_TP:
case ARM_GET_TP:
break;
default:
#ifdef KTRACE
if (KTRPOINT(td, KTR_CAPFAIL))
ktrcapfail(CAPFAIL_SYSCALL, NULL, NULL);
#endif
return (ECAPMODE);
}
}
#endif
switch (uap->op) {
case ARM_SYNC_ICACHE:
error = arm32_sync_icache(td, uap->parms);
break;
case ARM_DRAIN_WRITEBUF:
error = arm32_drain_writebuf(td, uap->parms);
break;
case ARM_SET_TP:
error = arm32_set_tp(td, uap->parms);
break;
case ARM_GET_TP:
error = arm32_get_tp(td, uap->parms);
break;
default:
error = EINVAL;
break;
}
return (error);
}
int
sysarch(struct thread *td, struct sysarch_args *uap)
{
int error;
#ifdef CAPABILITY_MODE
/*
* When adding new operations, add a new case statement here to
* explicitly indicate whether or not the operation is safe to
* perform in capability mode.
*/
if (IN_CAPABILITY_MODE(td)) {
switch (uap->op) {
case SPARC_SIGTRAMP_INSTALL:
case SPARC_UTRAP_INSTALL:
break;
default:
#ifdef KTRACE
if (KTRPOINT(td, KTR_CAPFAIL))
ktrcapfail(CAPFAIL_SYSCALL, NULL, NULL);
#endif
return (ECAPMODE);
}
}
#endif
mtx_lock(&Giant);
switch (uap->op) {
case SPARC_SIGTRAMP_INSTALL:
error = sparc_sigtramp_install(td, uap->parms);
break;
case SPARC_UTRAP_INSTALL:
error = sparc_utrap_install(td, uap->parms);
break;
default:
error = EINVAL;
break;
}
mtx_unlock(&Giant);
return (error);
}
