mirror of
https://github.com/AsahiLinux/u-boot
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819f1e081c
The U-Boot binary may trip over its actual allocated size in the storage. In such a case, the environment will not be readable anymore (because corrupted when the new image was flashed), and any attempt at using saveenv to reconstruct the environment will result in a corrupted U-Boot binary. Reviewed-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
26 lines
660 B
Text
26 lines
660 B
Text
#include <config.h>
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/*
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* This is the maximum size the U-Boot binary can be, which is basically
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* the start of the environment, minus the start of the U-Boot binary in
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* the MMC. This makes the assumption that the MMC is using 512-bytes
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* blocks, but devices using something other than that remains to be
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* seen.
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*/
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#define UBOOT_MMC_MAX_SIZE (CONFIG_ENV_OFFSET - (CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512))
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/ {
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binman {
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filename = "u-boot-sunxi-with-spl.bin";
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pad-byte = <0xff>;
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blob {
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filename = "spl/sunxi-spl.bin";
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};
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u-boot-img {
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#ifdef CONFIG_MMC
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size = <UBOOT_MMC_MAX_SIZE>;
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#endif
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pos = <CONFIG_SPL_PAD_TO>;
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};
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};
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};
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