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https://github.com/brain-hackers/u-boot-brain
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236f2ec432
This commit does the same thing as Linux commit 33def8498fdd.
Use a more generic form for __section that requires quotes to avoid
complications with clang and gcc differences.
Remove the quote operator # from compiler_attributes.h __section macro.
Convert all unquoted __section(foo) uses to quoted __section("foo").
Also convert __attribute__((section("foo"))) uses to __section("foo")
even if the __attribute__ has multiple list entry forms.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
30 lines
665 B
C
30 lines
665 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2020 NXP
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*/
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#include <common.h>
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#include <spl.h>
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char __data_save_start[0] __section(".__data_save_start");
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char __data_save_end[0] __section(".__data_save_end");
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u32 cold_reboot_flag = 1;
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void spl_save_restore_data(void)
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{
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u32 data_size = __data_save_end - __data_save_start;
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if (cold_reboot_flag == 1) {
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/* Save data section to data_save section */
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memcpy(__data_save_start, __data_save_start - data_size,
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data_size);
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} else {
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/* Restore the data_save section to data section */
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memcpy(__data_save_start - data_size, __data_save_start,
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data_size);
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}
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cold_reboot_flag++;
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}
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