1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 3 #ifndef __SYSTEM_CONSTANTS_H__ 4 #define __SYSTEM_CONSTANTS_H__ 5 6 /* 7 * The most common case for our initial stack pointer address is to 8 * say that we have defined a static intiial ram address location and 9 * size and from that we subtract the generated global data size. 10 */ 11 #ifdef CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR 12 #define SYS_INIT_SP_ADDR CONFIG_CUSTOM_SYS_INIT_SP_ADDR 13 #else 14 #ifdef CONFIG_MIPS 15 #define SYS_INIT_SP_ADDR (CFG_SYS_SDRAM_BASE + CFG_SYS_INIT_SP_OFFSET) 16 #else 17 #define SYS_INIT_SP_ADDR \ 18 (CFG_SYS_INIT_RAM_ADDR + CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 19 #endif 20 #endif 21 22 /* 23 * Typically, we have the SPL malloc pool at the end of the BSS area. 24 */ 25 #ifdef CONFIG_HAS_CUSTOM_SPL_MALLOC_START 26 #define SYS_SPL_MALLOC_START CONFIG_CUSTOM_SYS_SPL_MALLOC_ADDR 27 #else 28 #define SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 29 CONFIG_SPL_BSS_MAX_SIZE) 30 #endif 31 32 #endif 33