diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/runtime_svc.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/common/runtime_svc.c b/common/runtime_svc.c index b8af6cd8..df0d64ca 100644 --- a/common/runtime_svc.c +++ b/common/runtime_svc.c @@ -52,6 +52,34 @@ static rt_svc_desc_t *rt_svc_descs; / sizeof(rt_svc_desc_t)) /******************************************************************************* + * Function to invoke the registered `handle` corresponding to the smc_fid. + ******************************************************************************/ +uintptr_t handle_runtime_svc(uint32_t smc_fid, + void *cookie, + void *handle, + unsigned int flags) +{ + u_register_t x1, x2, x3, x4; + int index, idx; + const rt_svc_desc_t *rt_svc_descs; + + assert(handle); + idx = get_unique_oen_from_smc_fid(smc_fid); + assert(idx >= 0 && idx < MAX_RT_SVCS); + + index = rt_svc_descs_indices[idx]; + if (index < 0 || index >= RT_SVC_DECS_NUM) + SMC_RET1(handle, SMC_UNK); + + rt_svc_descs = (rt_svc_desc_t *) RT_SVC_DESCS_START; + + get_smc_params_from_ctx(handle, x1, x2, x3, x4); + + return rt_svc_descs[index].handle(smc_fid, x1, x2, x3, x4, cookie, + handle, flags); +} + +/******************************************************************************* * Simple routine to sanity check a runtime service descriptor before using it ******************************************************************************/ static int32_t validate_rt_svc_desc(const rt_svc_desc_t *desc) |