void teecore_init_pub_ram(void)
{
vaddr_t s;
vaddr_t e;
unsigned int nsec_tee_size = 32 * 1024;
/* get virtual addr/size of NSec shared mem allcated from teecore */
core_mmu_get_mem_by_type(MEM_AREA_NSEC_SHM, &s, &e);
TEE_ASSERT(s < e);
TEE_ASSERT((s & SMALL_PAGE_MASK) == 0);
TEE_ASSERT((e & SMALL_PAGE_MASK) == 0);
/* extra check: we could rely on core_mmu_get_mem_by_type() */
TEE_ASSERT(tee_vbuf_is_non_sec(s, e - s) == true);
/*
* 32kByte first bytes are allocated from teecore.
* Remaining is under control of the NSec allocator.
*/
TEE_ASSERT((e - s) > nsec_tee_size);
TEE_ASSERT(tee_mm_is_empty(&tee_mm_pub_ddr));
tee_mm_final(&tee_mm_pub_ddr);
tee_mm_init(&tee_mm_pub_ddr, s, s + nsec_tee_size, SMALL_PAGE_SHIFT,
TEE_MM_POOL_NO_FLAGS);
s += nsec_tee_size;
default_nsec_shm_paddr = s;
default_nsec_shm_size = e - s;
}
static TEE_Result load_header(const struct shdr *signed_ta,
struct shdr **sec_shdr)
{
size_t s;
if (!tee_vbuf_is_non_sec(signed_ta, sizeof(*signed_ta)))
return TEE_ERROR_SECURITY;
s = SHDR_GET_SIZE(signed_ta);
if (!tee_vbuf_is_non_sec(signed_ta, s))
return TEE_ERROR_SECURITY;
/* Copy signed header into secure memory */
*sec_shdr = malloc(s);
if (!*sec_shdr)
return TEE_ERROR_OUT_OF_MEMORY;
memcpy(*sec_shdr, signed_ta, s);
return TEE_SUCCESS;
}
void teecore_init_pub_ram(void)
{
vaddr_t s;
vaddr_t e;
/* get virtual addr/size of NSec shared mem allcated from teecore */
core_mmu_get_mem_by_type(MEM_AREA_NSEC_SHM, &s, &e);
TEE_ASSERT(s < e);
TEE_ASSERT((s & SMALL_PAGE_MASK) == 0);
TEE_ASSERT((e & SMALL_PAGE_MASK) == 0);
/* extra check: we could rely on core_mmu_get_mem_by_type() */
TEE_ASSERT(tee_vbuf_is_non_sec(s, e - s) == true);
#ifdef CFG_PL310
/* Allocate statically the l2cc mutex */
TEE_ASSERT((e - s) > 0);
tee_l2cc_store_mutex_boot_pa(s);
s += sizeof(uint32_t); /* size of a pl310 mutex */
#endif
default_nsec_shm_paddr = virt_to_phys((void *)s);
default_nsec_shm_size = e - s;
}
