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4e4815feae
This patch adds support to generate UUID (Universally Unique Identifier) in version 4 based on RFC4122, which is randomly. Source: https://www.ietf.org/rfc/rfc4122.txt Changes: - new configs: - CONFIG_LIB_UUID for compile lib/uuid.c - CONFIG_RANDOM_UUID for functions gen_rand_uuid() and gen_rand_uuid_str() - add configs dependency to include/config_fallbacks.h for lib uuid. lib/uuid.c: - add gen_rand_uuid() - this function writes 16 bytes len binary representation of UUID v4 to the memory at given address. - add gen_rand_uuid_str() - this function writes 37 bytes len hexadecimal ASCII string representation of UUID v4 to the memory at given address. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Stephen Warren <swarren@nvidia.com> Cc: Lukasz Majewski <l.majewski@samsung.com> [trini: Add CONFIG_EFI_PARTITION to fallbacks] Signed-off-by: Tom Rini <trini@ti.com>
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
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* Copyright 2012 Texas Instruments
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*
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* This file is licensed under the terms of the GNU General Public
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* License Version 2. This file is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#ifndef __CONFIG_FALLBACKS_H
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#define __CONFIG_FALLBACKS_H
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#ifdef CONFIG_SPL
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#ifdef CONFIG_SPL_PAD_TO
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#ifdef CONFIG_SPL_MAX_SIZE
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#if CONFIG_SPL_PAD_TO && CONFIG_SPL_PAD_TO < CONFIG_SPL_MAX_SIZE
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#error CONFIG_SPL_PAD_TO < CONFIG_SPL_MAX_SIZE
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#endif
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#endif
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#else
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#ifdef CONFIG_SPL_MAX_SIZE
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#define CONFIG_SPL_PAD_TO CONFIG_SPL_MAX_SIZE
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#else
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#define CONFIG_SPL_PAD_TO 0
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#endif
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#endif
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#endif
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#ifndef CONFIG_SYS_BAUDRATE_TABLE
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#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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#endif
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#if defined(CONFIG_CMD_FAT) && !defined(CONFIG_FS_FAT)
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#define CONFIG_FS_FAT
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#endif
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#if (defined(CONFIG_CMD_EXT4) || defined(CONFIG_CMD_EXT2)) && \
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!defined(CONFIG_FS_EXT4)
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#define CONFIG_FS_EXT4
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#endif
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#if defined(CONFIG_CMD_EXT4_WRITE) && !defined(CONFIG_EXT4_WRITE)
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#define CONFIG_EXT4_WRITE
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#endif
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/* Rather than repeat this expression each time, add a define for it */
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#if defined(CONFIG_CMD_IDE) || \
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defined(CONFIG_CMD_SATA) || \
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defined(CONFIG_CMD_SCSI) || \
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defined(CONFIG_CMD_USB) || \
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defined(CONFIG_CMD_PART) || \
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defined(CONFIG_CMD_GPT) || \
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defined(CONFIG_MMC) || \
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defined(CONFIG_SYSTEMACE) || \
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defined(CONFIG_SANDBOX)
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#define HAVE_BLOCK_DEVICE
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#endif
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#if (defined(CONFIG_PARTITION_UUIDS) || \
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defined(CONFIG_EFI_PARTITION) || \
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defined(CONFIG_RANDOM_UUID) || \
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defined(CONFIG_BOOTP_PXE)) && \
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!defined(CONFIG_LIB_UUID)
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#define CONFIG_LIB_UUID
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#endif
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#if defined(CONFIG_RANDOM_UUID) && \
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!defined(CONFIG_LIB_RAND) && \
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!defined(CONFIG_LIB_HW_RAND)
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#define CONFIG_LIB_RAND
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#endif
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#ifndef CONFIG_SYS_PROMPT
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#define CONFIG_SYS_PROMPT "=> "
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#endif
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#ifndef CONFIG_SYS_HZ
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#define CONFIG_SYS_HZ 1000
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#endif
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#endif /* __CONFIG_FALLBACKS_H */
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