9  * This is the Secure Payload Dispatcher (SPD). The dispatcher is meant to be a
10  * plug-in component to the Secure Monitor, registered as a runtime service. The
11  * SPD is expected to be a functional extension of the Secure Payload (SP) that
12  * executes in Secure EL1. The Secure Monitor will delegate all SMCs targeting
14  * handle the request locally or delegate it to the Secure Payload. It is also
37  * Per-cpu Secure Payload state
54  * Secure Payload Dispatcher's timer interrupt handler
69 	 * Disable the routing of NS interrupts from secure world to  in tlkd_interrupt_handler()
72 	disable_intr_rm_local(INTR_TYPE_S_EL1, SECURE);  in tlkd_interrupt_handler()
78 	/* Save non-secure state */  in tlkd_interrupt_handler()
81 	/* Get a reference to the secure context */  in tlkd_interrupt_handler()
82 	s_cpu_context = cm_get_context(SECURE);  in tlkd_interrupt_handler()
86 	 * Restore non-secure state. There is no need to save the  in tlkd_interrupt_handler()
87 	 * secure system register context since the SP was supposed  in tlkd_interrupt_handler()
90 	cm_el1_sysregs_context_restore(SECURE);  in tlkd_interrupt_handler()
91 	cm_set_next_eret_context(SECURE);  in tlkd_interrupt_handler()
98  * Secure Payload Dispatcher setup. The SPD finds out the SP entrypoint and type
109 	 * Get information about the Secure Payload (BL32) image. Its  in tlkd_setup()
112 	tlk_ep_info = bl31_plat_get_next_image_ep_info(SECURE);  in tlkd_setup()
159  * This function passes control to the Secure Payload image (BL32) for the first
160  * time on the primary cpu after a cold boot. It assumes that a valid secure
162  * used. This function performs a synchronous entry into the Secure payload.
170 	 * Get information about the Secure Payload (BL32) image. Its  in tlkd_init()
173 	tlk_entry_point = bl31_plat_get_next_image_ep_info(SECURE);  in tlkd_init()
185 	 * Arrange for an entry into the test secure payload.  in tlkd_init()
192  * range from the non-secure state as defined in the SMC Calling Convention
193  * Document. It is also responsible for communicating with the Secure payload
194  * to delegate work and return results back to the non-secure state. Lastly it
195  * will also return any information that the secure payload needs to do the
226 	 * preempted by a non-secure world IRQ.  in tlkd_smc_handler()
233 		assert(handle == cm_get_context(SECURE));  in tlkd_smc_handler()
234 		cm_el1_sysregs_context_save(SECURE);  in tlkd_smc_handler()
236 		/* Get a reference to the non-secure context */  in tlkd_smc_handler()
241 		 * Restore non-secure state. There is no need to save the  in tlkd_smc_handler()
242 		 * secure system register context since the SP was supposed  in tlkd_smc_handler()
251 	 * This is a request from the non-secure context to:  in tlkd_smc_handler()
258 	 * c. register shared persistent buffers for secure storage  in tlkd_smc_handler()
283 		 * This is a fresh request from the non-secure client.  in tlkd_smc_handler()
285 		 * registers need to be preserved, save the non-secure  in tlkd_smc_handler()
286 		 * state and send the request to the secure payload.  in tlkd_smc_handler()
308 		assert(&tlk_ctx.cpu_ctx == cm_get_context(SECURE));  in tlkd_smc_handler()
316 		 * We are done stashing the non-secure context. Ask the  in tlkd_smc_handler()
317 		 * secure payload to do the work now.  in tlkd_smc_handler()
319 		cm_el1_sysregs_context_restore(SECURE);  in tlkd_smc_handler()
320 		cm_set_next_eret_context(SECURE);  in tlkd_smc_handler()
348 		/* Should be invoked only by secure world */  in tlkd_smc_handler()
383 		/* Get a reference to the non-secure context */  in tlkd_smc_handler()
389 		 * the non-secure world to pass the result.  in tlkd_smc_handler()
391 		cm_el1_sysregs_context_save(SECURE);  in tlkd_smc_handler()
394 		 * We are done stashing the secure context. Switch to the  in tlkd_smc_handler()
395 		 * non-secure context and return the result.  in tlkd_smc_handler()
451 	 * handling the secure interrupt.  in tlkd_smc_handler()
458 		assert(handle == cm_get_context(SECURE));  in tlkd_smc_handler()
460 		/* save secure world context */  in tlkd_smc_handler()
461 		cm_el1_sysregs_context_save(SECURE);  in tlkd_smc_handler()
463 		/* Get a reference to the non-secure context */  in tlkd_smc_handler()
468 		 * Restore non-secure state. There is no need to save the  in tlkd_smc_handler()
469 		 * secure system register context since the SP was supposed  in tlkd_smc_handler()
479 	 * provide service to non-secure  in tlkd_smc_handler()