/* teecore heap address/size is defined in scatter file */
extern unsigned char teecore_heap_start;
extern unsigned char teecore_heap_end;
static void main_fiq(void);
static void main_tee_entry_std(struct thread_smc_args *args);
static void main_tee_entry_fast(struct thread_smc_args *args);
static const struct thread_handlers handlers = {
.std_smc = main_tee_entry_std,
.fast_smc = main_tee_entry_fast,
.fiq = main_fiq,
.svc = tee_svc_handler,
.abort = tee_pager_abort_handler,
.cpu_on = pm_panic,
.cpu_off = pm_panic,
.cpu_suspend = pm_panic,
.cpu_resume = pm_panic,
.system_off = pm_panic,
.system_reset = pm_panic,
};
void main_init(uint32_t nsec_entry); /* called from assembly only */
void main_init(uint32_t nsec_entry)
{
struct sm_nsec_ctx *nsec_ctx;
size_t pos = get_core_pos();
/*
* Mask IRQ and FIQ before switch to the thread vector as the
* thread handler requires IRQ and FIQ to be masked while executing
* with the temporary stack. The thread subsystem also asserts that
* IRQ is blocked when using most if its functions.
*/
thread_mask_exceptions(THREAD_EXCP_FIQ | THREAD_EXCP_IRQ);
if (pos == 0) {
thread_init_primary(&handlers);
/* initialize platform */
platform_init();
}
thread_init_per_cpu();
/* Initialize secure monitor */
nsec_ctx = sm_get_nsec_ctx();
nsec_ctx->mon_lr = nsec_entry;
nsec_ctx->mon_spsr = CPSR_MODE_SVC | CPSR_I;
if (pos == 0) {
unsigned long a, s;
/* core malloc pool init */
#ifdef CFG_TEE_MALLOC_START
a = CFG_TEE_MALLOC_START;
s = CFG_TEE_MALLOC_SIZE;
#else
a = (unsigned long)&teecore_heap_start;
s = (unsigned long)&teecore_heap_end;
a = ((a + 1) & ~0x0FFFF) + 0x10000; /* 64kB aligned */
s = s & ~0x0FFFF; /* 64kB aligned */
s = s - a;
#endif
malloc_add_pool((void *)a, s);
teecore_init_ta_ram();
if (init_teecore() != TEE_SUCCESS) {
panic();
}
}
IMSG("optee initialize finished\n");
}
static void init_secondary_helper(uint32_t nsec_entry)
{
/*
* Mask asynchronous exceptions before switch to the thread vector
* as the thread handler requires those to be masked while
* executing with the temporary stack. The thread subsystem also
* asserts that IRQ is blocked when using most if its functions.
*/
thread_set_exceptions(THREAD_EXCP_ALL);
thread_init_per_cpu();
init_sec_mon(nsec_entry);
init_vfp_sec();
init_vfp_nsec();
DMSG("Secondary CPU Switching to normal world boot\n");
}