1 /* SPDX-License-Identifier: GPL-2.0+ */
3 #ifndef __SYSTEM_CONSTANTS_H__
4 #define __SYSTEM_CONSTANTS_H__
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.
11 #ifdef CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR
12 #define SYS_INIT_SP_ADDR CONFIG_CUSTOM_SYS_INIT_SP_ADDR
15 #define SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET)
17 #define SYS_INIT_SP_ADDR \
18 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
23 * Typically, we have the SPL malloc pool at the end of the BSS area.
25 #ifdef CONFIG_HAS_CUSTOM_SPL_MALLOC_START
26 #define SYS_SPL_MALLOC_START CONFIG_CUSTOM_SYS_SPL_MALLOC_ADDR
28 #define SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
29 CONFIG_SPL_BSS_MAX_SIZE)