| /* |
| * Copyright (c) 2021, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <debug.h> |
| |
| #include "cactus_message_loop.h" |
| #include "cactus_test_cmds.h" |
| #include <drivers/arm/sp805.h> |
| #include <ffa_helpers.h> |
| #include <sp_helpers.h> |
| #include "spm_common.h" |
| #include <spm_helpers.h> |
| |
| #include <platform_def.h> |
| |
| #define NOTIFICATION_PENDING_INTERRUPT_INTID 5 |
| |
| extern void notification_pending_interrupt_handler(void); |
| |
| extern ffa_id_t g_ffa_id; |
| |
| void cactus_interrupt_handler(void) |
| { |
| uint32_t intid = spm_interrupt_get(); |
| |
| switch (intid) { |
| case MANAGED_EXIT_INTERRUPT_ID: |
| /* |
| * A secure partition performs its housekeeping and sends a |
| * direct response to signal interrupt completion. |
| * This is a pure virtual interrupt, no need for deactivation. |
| */ |
| cactus_response(g_ffa_id, HYP_ID, MANAGED_EXIT_INTERRUPT_ID); |
| break; |
| case IRQ_TWDOG_INTID: |
| /* |
| * Interrupt triggered due to Trusted watchdog timer expiry. |
| * Clear the interrupt and stop the timer. |
| */ |
| NOTICE("Trusted WatchDog timer stopped\n"); |
| sp805_twdog_stop(); |
| |
| /* Perform secure interrupt de-activation. */ |
| spm_interrupt_deactivate(intid); |
| |
| break; |
| case NOTIFICATION_PENDING_INTERRUPT_INTID: |
| notification_pending_interrupt_handler(); |
| break; |
| default: |
| /* |
| * Currently the only source of secure interrupt is Trusted |
| * Watchdog timer. |
| */ |
| ERROR("%s: Interrupt ID %x not handled!\n", __func__, |
| intid); |
| panic(); |
| } |
| } |