int verify_start_modem(struct access_image_descr *access_image_descr)
{
int ret = 0;
u32 org;
u32 id = 0;
u32 buffer;
TEEC_SharedMemory shm;
TEEC_Operation operation;
/* UUID for static TA */
TEEC_UUID uuid = {
0xBC765EDE,
0x6724,
0x11DF,
{0x8E, 0x12, 0xEC, 0xDB, 0xDF, 0xD7, 0x20, 0x85}
};
if (access_image_descr == NULL) {
ret = -1;
goto out;
}
if (access_image_descr->elf_hdr == NULL) {
ret = -1;
goto out;
}
sec_bridge_init_bridge();
shm.flags = TEEC_MEM_INPUT;
shm.buffer = &buffer;
shm.size = sizeof(buffer);
*((u32 **)shm.buffer) = &access_image_descr->elf_hdr->e_entry;
operation.memRefs[0] = shm;
operation.flags = TEEC_MEMREF_0_USED;
/* Call ISSW to verify and start modem */
sec_bridge_call_secure_service(BASS_APP_ISSWAPI_EXECUTE_TA,
SEC_ROM_FORCE_CLEAN_MASK,
&id,
&uuid,
NULL,
BASS_APP_VERIFY_START_MODEM,
&operation,
&ret,
&org);
/* Call ISSW to stop TA*/
sec_bridge_call_secure_service(BASS_APP_ISSWAPI_CLOSE_TA,
SEC_ROM_FORCE_CLEAN_MASK,
&id,
&uuid,
NULL,
NULL);
out:
return ret;
}
/*
* itp_load_itp_and_modem - Loads itp and modem depending on config.
* If itp is loaded ok it will be executed and u-boot execution will stop
*/
int itp_load_itp_and_modem(block_dev_desc_t *block_dev)
{
int retval = 0;
u32 loadaddress;
debug("\nitp_load_itp_and_modem\n");
if (sec_bridge_init_bridge()) {
retval = 1;
goto exit;
}
if (cspsa_key & ITP_LOAD_MODEM) {
if (itp_load_toc_entry(block_dev,
ITP_TOC_MODEM_NAME,
0, /* verify_signature false */
&loadaddress)) {
retval = 1;
goto exit;
}
if (itp_load_ipl(block_dev)) {
retval = 1;
goto exit;
}
}
if (cspsa_key & ITP_LOAD_ITP) {
if (itp_load_toc_entry(block_dev,
ITP_TOC_ITP_NAME,
1, /* verify_signature true */
&loadaddress)) {
retval = 1;
goto exit;
}
}
exit:
/* Always Flush */
sec_bridge_flush_issw();
if ((cspsa_key & ITP_LOAD_ITP) && !retval)
/* U-boot execution will end here */
((void (*)(void))loadaddress)();
/* Return on error */
return retval;
}
