1 /* 2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch_helpers.h> 8 #include <assert.h> 9 #include <bl_common.h> 10 #include <debug.h> 11 #include <errno.h> 12 #include <platform_def.h> 13 14 /* 15 * The following platform functions are weakly defined. They 16 * are default implementations that allow BL1 to compile in 17 * absence of real definitions. The Platforms may override 18 * with more complex definitions. 19 */ 20 #pragma weak bl1_plat_get_next_image_id 21 #pragma weak bl1_plat_set_ep_info 22 #pragma weak bl1_plat_get_image_desc 23 #pragma weak bl1_plat_fwu_done 24 25 bl1_plat_get_next_image_id(void)26unsigned int bl1_plat_get_next_image_id(void) 27 { 28 /* BL2 load will be done by default. */ 29 return BL2_IMAGE_ID; 30 } 31 bl1_plat_set_ep_info(unsigned int image_id,entry_point_info_t * ep_info)32void bl1_plat_set_ep_info(unsigned int image_id, 33 entry_point_info_t *ep_info) 34 { 35 36 } 37 38 /* 39 * Following is the default definition that always 40 * returns BL2 image details. 41 */ bl1_plat_get_image_desc(unsigned int image_id)42image_desc_t *bl1_plat_get_image_desc(unsigned int image_id) 43 { 44 static image_desc_t bl2_img_desc = BL2_IMAGE_DESC; 45 return &bl2_img_desc; 46 } 47 bl1_plat_fwu_done(void * client_cookie,void * reserved)48__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved) 49 { 50 while (1) 51 wfi(); 52 } 53 54 /* 55 * The Platforms must override with real definition. 56 */ 57 #pragma weak bl1_plat_mem_check 58 bl1_plat_mem_check(uintptr_t mem_base,unsigned int mem_size,unsigned int flags)59int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size, 60 unsigned int flags) 61 { 62 assert(0); 63 return -ENOMEM; 64 } 65