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https://github.com/AsahiLinux/u-boot
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f67cd51e65
The built in self test value is available in register eax on start-up. Save it so that it can be accessed later. Unfortunately we must wait until the global_data is available before we can do this, so there is a little bit of shuffling to keep it around. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
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*
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* This program is used to generate definitions needed by
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* assembly language modules.
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*
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* We use the technique used in the OSF Mach kernel code:
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* generate asm statements containing #defines,
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* compile this file to assembler, and then extract the
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* #defines from the assembly-language output.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <linux/kbuild.h>
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int main(void)
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{
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/* Round up to make sure size gives nice stack alignment */
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DEFINE(GENERATED_GBL_DATA_SIZE,
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(sizeof(struct global_data) + 15) & ~15);
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DEFINE(GENERATED_BD_INFO_SIZE,
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(sizeof(struct bd_info) + 15) & ~15);
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DEFINE(GD_SIZE, sizeof(struct global_data));
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DEFINE(GD_BD, offsetof(struct global_data, bd));
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#ifdef CONFIG_SYS_MALLOC_F_LEN
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DEFINE(GD_MALLOC_BASE, offsetof(struct global_data, malloc_base));
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#endif
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#ifdef CONFIG_X86
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DEFINE(GD_BIST, offsetof(struct global_data, arch.bist));
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#endif
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#if defined(CONFIG_ARM)
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DEFINE(GD_RELOCADDR, offsetof(struct global_data, relocaddr));
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DEFINE(GD_RELOC_OFF, offsetof(struct global_data, reloc_off));
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DEFINE(GD_START_ADDR_SP, offsetof(struct global_data, start_addr_sp));
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#endif
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return 0;
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}
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