// Returns the pointer to the Enclave instance on success.
uintptr_t _ECREATE(page_info_t* pi)
{
secs_t* secs = reinterpret_cast<secs_t*>(pi->src_page);
// Enclave size must be at least 2 pages and a power of 2.
GP_ON(!is_power_of_two((size_t)secs->size));
GP_ON(secs->size < (SE_PAGE_SIZE << 1));
CEnclaveSim* ce = new CEnclaveSim(secs);
void* addr;
// `ce' is not checked against NULL, since it is not
// allocated with new(std::no_throw).
addr = se_virtual_alloc(NULL, (size_t)secs->size, MEM_COMMIT);
if (addr == NULL) {
delete ce;
return 0;
}
// Mark all the memory inaccessible.
se_virtual_protect(addr, (size_t)secs->size, SGX_PROT_NONE);
ce->get_secs()->base = addr;
CEnclaveMngr::get_instance()->add(ce);
return reinterpret_cast<uintptr_t>(ce);
}
uintptr_t _EREMOVE(const void *epc_lin_addr)
{
CEnclaveMngr *mngr = CEnclaveMngr::get_instance();
CEnclaveSim *ce = mngr->get_enclave(epc_lin_addr);
GP_ON(!ce);
GP_ON(!IS_PAGE_ALIGNED(epc_lin_addr));
return ce->remove_page(epc_lin_addr) ? 0 : -1;
}
uintptr_t _EINIT(secs_t* secs, enclave_css_t *css, token_t *launch)
{
CEnclaveMngr *mngr = CEnclaveMngr::get_instance();
assert(mngr != NULL);
CEnclaveSim* ce = mngr->get_enclave(secs);
GP_ON(ce == NULL);
GP_ON((ce->get_secs()->attributes.flags & SGX_FLAGS_INITTED) != 0);
// Fill MREnclave, MRSigner, ISVPRODID, ISVSVN
secs_t* this_secs = ce->get_secs();
if (css != NULL) {
// Check signature
if ((css->body.attribute_mask.xfrm & this_secs->attributes.xfrm)
!= (css->body.attribute_mask.xfrm & css->body.attributes.xfrm))
{
SE_TRACE(SE_TRACE_DEBUG,
"SECS attributes.xfrm does NOT match signature attributes.xfrm\n");
return SGX_ERROR_INVALID_ATTRIBUTE;
}
if ((css->body.attribute_mask.flags & this_secs->attributes.flags)
!= (css->body.attribute_mask.flags & css->body.attributes.flags))
{
SE_TRACE(SE_TRACE_DEBUG,
"SECS attributes.flag does NOT match signature attributes.flag\n");
return SGX_ERROR_INVALID_ATTRIBUTE;
}
mcp_same_size(&this_secs->mr_enclave, &css->body.enclave_hash, sizeof(sgx_measurement_t));
this_secs->isv_prod_id = css->body.isv_prod_id;
this_secs->isv_svn = css->body.isv_svn;
ippsHashMessage(css->key.modulus, SE_KEY_SIZE, (Ipp8u*)&this_secs->mr_signer, IPP_ALG_HASH_SHA256);
}
// Check launch token
if (launch != NULL && launch->body.valid) {
if (memcmp(&launch->body.attributes, &this_secs->attributes, sizeof(sgx_attributes_t)))
{
SE_TRACE(SE_TRACE_DEBUG,
"SECS attributes does NOT match launch token attribuets\n");
return SGX_ERROR_INVALID_ATTRIBUTE;
}
}
// Mark it initialized
this_secs->attributes.flags |= SGX_FLAGS_INITTED;
return SGX_SUCCESS;
}
uintptr_t _EADD(page_info_t* pi, void *epc_lin_addr)
{
void *src_page = pi->src_page;
CEnclaveMngr *mngr = CEnclaveMngr::get_instance();
CEnclaveSim *ce = mngr->get_enclave(pi->lin_addr);
if (ce == NULL) {
SE_TRACE(SE_TRACE_DEBUG, "failed to get enclave instance\n");
return SGX_ERROR_UNEXPECTED;
}
GP_ON(!IS_PAGE_ALIGNED(epc_lin_addr));
GP_ON((ce->get_secs()->attributes.flags & SGX_FLAGS_INITTED) != 0);
// Make the page writable before doing memcpy()
se_virtual_protect(epc_lin_addr, SE_PAGE_SIZE, SI_FLAGS_RW);
mcp_same_size(epc_lin_addr, src_page, SE_PAGE_SIZE);
se_virtual_protect(epc_lin_addr, SE_PAGE_SIZE, (uint32_t)pi->sec_info->flags);
GP_ON(!ce->add_page(pi->lin_addr, pi->sec_info->flags));
return SGX_SUCCESS;
}
/**************按键外部中断触发**************/
void EXTI15_10_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line15)!=RESET)
{
//GetKeynum=GetKey();
printf("/r/nkeyget");
OLED_ShowString(0,0,"getkey");
OLED_ShowNum(50,0,keynum,2,16);
keynum++;
if(keynum%2)
{
IDrive_Down();
GP_Down();
Blooth_Down();
}
else
{
IDrive_ON();
GP_ON();
Blooth_ON();
}
}
EXTI_ClearITPendingBit(EXTI_Line15);
}
