/*******************************************************************************
* This function performs any remaining book keeping in the test secure payload
* before this cpu is turned off in response to a psci cpu_off request.
******************************************************************************/
tsp_args_t *tsp_cpu_off_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7)
{
uint32_t linear_id = plat_my_core_pos();
/*
* This cpu is being turned off, so disable the timer to prevent the
* secure timer interrupt from interfering with power down. A pending
* interrupt will be lost but we do not care as we are turning off.
*/
tsp_generic_timer_stop();
/* Update this cpu's statistics */
tsp_stats[linear_id].smc_count++;
tsp_stats[linear_id].eret_count++;
tsp_stats[linear_id].cpu_off_count++;
#if LOG_LEVEL >= LOG_LEVEL_INFO
spin_lock(&console_lock);
INFO("TSP: cpu 0x%lx off request\n", read_mpidr());
INFO("TSP: cpu 0x%lx: %d smcs, %d erets %d cpu off requests\n",
read_mpidr(),
tsp_stats[linear_id].smc_count,
tsp_stats[linear_id].eret_count,
tsp_stats[linear_id].cpu_off_count);
spin_unlock(&console_lock);
#endif
/* Indicate to the SPD that we have completed this request */
return set_smc_args(TSP_OFF_DONE, 0, 0, 0, 0, 0, 0, 0);
}
/*******************************************************************************
* This function performs any book keeping in the test secure payload before
* this cpu's architectural state is saved in response to an earlier psci
* cpu_suspend request.
******************************************************************************/
tsp_args_t *tsp_cpu_suspend_main(uint64_t arg0,
uint64_t arg1,
uint64_t arg2,
uint64_t arg3,
uint64_t arg4,
uint64_t arg5,
uint64_t arg6,
uint64_t arg7)
{
uint64_t mpidr = read_mpidr();
uint32_t linear_id = platform_get_core_pos(mpidr);
/*
* Save the time context and disable it to prevent the secure timer
* interrupt from interfering with wakeup from the suspend state.
*/
tsp_generic_timer_save();
tsp_generic_timer_stop();
/* Update this cpu's statistics */
tsp_stats[linear_id].smc_count++;
tsp_stats[linear_id].eret_count++;
tsp_stats[linear_id].cpu_suspend_count++;
#if LOG_LEVEL >= LOG_LEVEL_INFO
spin_lock(&console_lock);
INFO("TSP: cpu 0x%lx: %d smcs, %d erets %d cpu suspend requests\n",
mpidr,
tsp_stats[linear_id].smc_count,
tsp_stats[linear_id].eret_count,
tsp_stats[linear_id].cpu_suspend_count);
spin_unlock(&console_lock);
#endif
/* Indicate to the SPD that we have completed this request */
return set_smc_args(TSP_SUSPEND_DONE, 0, 0, 0, 0, 0, 0, 0);
}
