1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2021, EPAM Systems 4 */ 5 6 #ifndef __ROMAPI_H 7 #define __ROMAPI_H 8 9 #include <compiler.h> 10 11 /* 12 * Mask ROM provides number of facilities, including function that returns 32 13 * byte random vector. 14 */ 15 #define PLAT_RND_VECTOR_SZ 32 16 17 /* 18 * Call to this function must be protected by a spinlock, because ROM code 19 * accesses hardware. This function requires at least 4kb scratch buffer to 20 * work. All parameters should be aligned to 8 bytes. 21 */ 22 uint32_t plat_rom_getrndvector(uint8_t rndbuff[PLAT_RND_VECTOR_SZ], 23 uint8_t *scratch, 24 uint32_t scratch_sz); 25 26 #endif 27