qtiseclib_interface_stub.c

/*
 * Copyright (c) 2020, The Linux Foundation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stdbool.h>
#include <stdint.h>

#include <common/debug.h>

#include <qtiseclib_defs.h>
#include <qtiseclib_interface.h>

/*
 * This file contains dummy implementation of QTISECLIB Published API's.
 * which will be used to compile PLATFORM successfully when
 * qtiseclib is not available
 */

/*
 * CPUSS common reset handler for all CPU wake up (both cold & warm boot).
 * Executes on all core. This API assume serialization across CPU
 * already taken care before invoking.
 *
 * Clobbers: x0 - x17, x30
 */
void qtiseclib_cpuss_reset_asm(uint32_t bl31_cold_boot_state)
{
}

/*
 * Execute CPU (Kryo4 gold) specific reset handler / system initialization.
 * This takes care of executing required CPU errata's.
 *
 * Clobbers: x0 - x16
 */
void qtiseclib_kryo4_gold_reset_asm(void)
{
}

/*
 * Execute CPU (Kryo4 silver) specific reset handler / system initialization.
 * This takes care of executing required CPU errata's.
 *
 * Clobbers: x0 - x16
 */
void qtiseclib_kryo4_silver_reset_asm(void)
{
}

/*
 * C Api's
 */
void qtiseclib_bl31_platform_setup(void)
{
	ERROR("Please use QTISECLIB_PATH while building TF-A\n");
	ERROR("Please refer docs/plat/qti.rst for more details.\n");
	panic();
}

void qtiseclib_invoke_isr(uint32_t irq, void *handle)
{
}

void qtiseclib_panic(void)
{
}

int qtiseclib_prng_get_data(uint8_t *out, uint32_t out_len)
{
	/* fill dummy data to avoid assert and print
	 * stub implementation in setup call
	 */
	for (int i = 0; i < out_len; i++) {
		out[i] = 0x11;
	}
	return 0;
}

int
qtiseclib_mem_assign(const memprot_info_t *mem_info,
		     uint32_t mem_info_list_cnt,
		     const uint32_t *source_vm_list,
		     uint32_t src_vm_list_cnt,
		     const memprot_dst_vm_perm_info_t *dest_vm_list,
		     uint32_t dst_vm_list_cnt)
{
	return 0;
}

int qtiseclib_psci_init(uintptr_t warmboot_entry)
{
	return 0;
}

int qtiseclib_psci_node_power_on(u_register_t mpidr)
{
	return 0;
}

void qtiseclib_psci_node_on_finish(const uint8_t *states)
{
}

void qtiseclib_psci_cpu_standby(uint8_t pwr_state)
{
}

void qtiseclib_psci_node_power_off(const uint8_t *states)
{
}

void qtiseclib_psci_node_suspend(const uint8_t *states)
{
}

void qtiseclib_psci_node_suspend_finish(const uint8_t *states)
{
}

void qtiseclib_psci_system_off(void)
{
	while (1) {
	};
}

void qtiseclib_psci_system_reset(void)
{
	while (1) {
	};
}

void qtiseclib_disable_cluster_coherency(uint8_t state)
{
}