33 lines
928 B
C
33 lines
928 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#ifndef __SYSTEM_CONSTANTS_H__
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#define __SYSTEM_CONSTANTS_H__
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/*
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* The most common case for our initial stack pointer address is to
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* say that we have defined a static intiial ram address location and
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* size and from that we subtract the generated global data size.
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*/
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#ifdef CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR
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#define SYS_INIT_SP_ADDR CONFIG_CUSTOM_SYS_INIT_SP_ADDR
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#else
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#ifdef CONFIG_MIPS
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#define SYS_INIT_SP_ADDR (CFG_SYS_SDRAM_BASE + CFG_SYS_INIT_SP_OFFSET)
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#else
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#define SYS_INIT_SP_ADDR \
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(CFG_SYS_INIT_RAM_ADDR + CFG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#endif
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#endif
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/*
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* Typically, we have the SPL malloc pool at the end of the BSS area.
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*/
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#ifdef CONFIG_HAS_CUSTOM_SPL_MALLOC_START
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#define SYS_SPL_MALLOC_START CONFIG_CUSTOM_SYS_SPL_MALLOC_ADDR
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#else
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#define SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
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CONFIG_SPL_BSS_MAX_SIZE)
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#endif
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#endif
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