/*
* test attributes of target physical buffer
*
* Flags: pbuf_is(SECURE, NOT_SECURE, RAM, IOMEM, KEYVAULT).
*
*/
bool core_pbuf_is(uint32_t attr, paddr_t pbuf, size_t len)
{
struct tee_mmap_region *map;
/* Empty buffers complies with anything */
if (len == 0)
return true;
switch (attr) {
case CORE_MEM_SEC:
return pbuf_is_inside(secure_only, pbuf, len);
case CORE_MEM_NON_SEC:
return pbuf_is_inside(nsec_shared, pbuf, len);
case CORE_MEM_TEE_RAM:
return pbuf_inside_map_area(pbuf, len, map_tee_ram);
case CORE_MEM_TA_RAM:
return pbuf_inside_map_area(pbuf, len, map_ta_ram);
case CORE_MEM_NSEC_SHM:
return pbuf_inside_map_area(pbuf, len, map_nsec_shm);
case CORE_MEM_MULTPURPOSE:
return pbuf_is_multipurpose(pbuf, len);
case CORE_MEM_EXTRAM:
return pbuf_is_inside(ddr, pbuf, len);
case CORE_MEM_CACHED:
map = find_map_by_pa(pbuf);
if (map == NULL || !pbuf_inside_map_area(pbuf, len, map))
return false;
return map->attr >> TEE_MATTR_CACHE_SHIFT ==
TEE_MATTR_CACHE_CACHED;
default:
return false;
}
}
/* Wrapper for the platform specific pbuf_is() service. */
static bool pbuf_is(enum buf_is_attr attr, paddr_t paddr, size_t size)
{
switch (attr) {
case CORE_MEM_SEC:
return pbuf_is_inside(secure_only, paddr, size);
case CORE_MEM_NON_SEC:
return pbuf_is_inside(nsec_shared, paddr, size);
case CORE_MEM_MULTPURPOSE:
return pbuf_is_multipurpose(paddr, size);
case CORE_MEM_EXTRAM:
return pbuf_is_inside(ddr, paddr, size);
default:
EMSG("Unexpected request: attr=%X", attr);
return false;
}
}
/*
* Wrapper for the platform specific pbuf_is() service.
*/
static bool pbuf_is(enum buf_is_attr attr, unsigned long paddr, size_t size)
{
switch (attr) {
case CORE_MEM_SEC:
return core_is_buffer_inside(paddr, size,
secure_only.paddr, secure_only.size);
case CORE_MEM_NON_SEC:
return core_is_buffer_inside(paddr, size,
nsec_shared.paddr, nsec_shared.size);
case CORE_MEM_MULTPURPOSE:
return pbuf_is_multipurpose(paddr, size);
case CORE_MEM_EXTRAM:
return pbuf_is_ddr(paddr, size);
default:
EMSG("unpexted request: attr=%X", attr);
return false;
}
}
