/*
* core_init_mmu_map - init tee core default memory mapping
*
* this routine sets the static default tee core mapping.
*
* If an error happend: core_init_mmu_map is expected to reset.
*/
void core_init_mmu_map(void)
{
struct tee_mmap_region *map;
size_t n;
for (n = 0; n < ARRAY_SIZE(secure_only); n++) {
if (pbuf_intersects(nsec_shared, secure_only[n].paddr,
secure_only[n].size))
panic("Invalid memory access config: sec/nsec");
}
if (!mem_map_inited)
init_mem_map(static_memory_map, ARRAY_SIZE(static_memory_map));
map = static_memory_map;
while (map->type != MEM_AREA_NOTYPE) {
switch (map->type) {
case MEM_AREA_TEE_RAM:
if (!pbuf_is_inside(secure_only, map->pa, map->size))
panic("TEE_RAM can't fit in secure_only");
map_tee_ram = map;
break;
case MEM_AREA_TA_RAM:
if (!pbuf_is_inside(secure_only, map->pa, map->size))
panic("TA_RAM can't fit in secure_only");
map_ta_ram = map;
break;
case MEM_AREA_NSEC_SHM:
if (!pbuf_is_inside(nsec_shared, map->pa, map->size))
panic("NS_SHM can't fit in nsec_shared");
map_nsec_shm = map;
break;
case MEM_AREA_IO_SEC:
case MEM_AREA_IO_NSEC:
case MEM_AREA_RAM_SEC:
case MEM_AREA_RAM_NSEC:
case MEM_AREA_RES_VASPACE:
break;
default:
EMSG("Uhandled memtype %d", map->type);
panic();
}
map++;
}
/* Check that we have the mandatory memory areas defined */
if (!map_tee_ram || !map_ta_ram || !map_nsec_shm)
panic("mandatory area(s) not found");
core_init_mmu_tables(static_memory_map);
}
/*
* core_init_mmu_map - init tee core default memory mapping
*
* this routine sets the static default tee core mapping.
*
* If an error happend: core_init_mmu_map is expected to reset.
*/
void core_init_mmu_map(void)
{
struct tee_mmap_region mm[MAX_MMAP_REGIONS + 1];
struct map_area *map, *in;
/* get memory bootcfg from system */
in = bootcfg_get_memory();
if (!in) {
EMSG("Invalid memory map");
TEE_ASSERT(0);
}
bootcfg_pbuf_is = (unsigned long)bootcfg_get_pbuf_is_handler();
if (bootcfg_pbuf_is == 0) {
EMSG("invalid platform handler for pbuf_is");
TEE_ASSERT(0);
}
/* we must find at least a PUB_RAM area and a TEE_RAM area */
map_tee_ram = NULL;
map_ta_ram = NULL;
map_nsec_shm = NULL;
/* map what needs to be mapped (non-null size and non INTRAM/EXTRAM) */
map = in;
while (map->type != MEM_AREA_NOTYPE) {
if (map->va)
panic();
map->va = map->pa; /* 1-to-1 pa = va mapping */
if (map->type == MEM_AREA_TEE_RAM)
map_tee_ram = map;
else if (map->type == MEM_AREA_TA_RAM)
map_ta_ram = map;
else if (map->type == MEM_AREA_NSEC_SHM)
map_nsec_shm = map;
map++;
}
if ((map_tee_ram == NULL) || (map_ta_ram == NULL) ||
(map_nsec_shm == NULL)) {
EMSG("mapping area missing");
TEE_ASSERT(0);
}
static_memory_map = in;
core_mmu_mmap_init(mm, ARRAY_SIZE(mm), in);
core_init_mmu_tables(mm);
}
