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https://github.com/brain-hackers/u-boot-brain
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Some environment variables are relevant for networking. For these U_BOOT_ENV_CALLBACKs have been defined. When the corresponding environment variable is updated the callback updates the state of the network sub-system. In the UEFI subsystem we can use the network even if CONFIG_CMD_NET is not defined. Let the usage of the U_BOOT_ENV_CALLBACKs depend on CONFIG_NET and not on CONFIG_CMD_NET. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2012
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* Joe Hershberger, National Instruments, joe.hershberger@ni.com
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*/
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#ifndef __ENV_CALLBACK_H__
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#define __ENV_CALLBACK_H__
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#include <env_flags.h>
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#include <linker_lists.h>
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#include <search.h>
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#define ENV_CALLBACK_VAR ".callbacks"
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/* Board configs can define additional static callback bindings */
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#ifndef CONFIG_ENV_CALLBACK_LIST_STATIC
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#define CONFIG_ENV_CALLBACK_LIST_STATIC
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#endif
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#ifdef CONFIG_SILENT_CONSOLE
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#define SILENT_CALLBACK "silent:silent,"
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#else
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#define SILENT_CALLBACK
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#endif
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#ifdef CONFIG_SPLASHIMAGE_GUARD
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#define SPLASHIMAGE_CALLBACK "splashimage:splashimage,"
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#else
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#define SPLASHIMAGE_CALLBACK
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#endif
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#ifdef CONFIG_REGEX
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#define ENV_DOT_ESCAPE "\\"
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#else
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#define ENV_DOT_ESCAPE
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#endif
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#ifdef CONFIG_CMD_DNS
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#define DNS_CALLBACK "dnsip:dnsip,"
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#else
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#define DNS_CALLBACK
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#endif
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#ifdef CONFIG_NET
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#define NET_CALLBACKS \
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"bootfile:bootfile," \
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"ipaddr:ipaddr," \
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"gatewayip:gatewayip," \
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"netmask:netmask," \
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"serverip:serverip," \
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"nvlan:nvlan," \
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"vlan:vlan," \
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DNS_CALLBACK \
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"eth" ETHADDR_WILDCARD "addr:ethaddr,"
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#else
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#define NET_CALLBACKS
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#endif
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/*
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* This list of callback bindings is static, but may be overridden by defining
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* a new association in the ".callbacks" environment variable.
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*/
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#define ENV_CALLBACK_LIST_STATIC ENV_DOT_ESCAPE ENV_CALLBACK_VAR ":callbacks," \
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ENV_DOT_ESCAPE ENV_FLAGS_VAR ":flags," \
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"baudrate:baudrate," \
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NET_CALLBACKS \
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"loadaddr:loadaddr," \
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SILENT_CALLBACK \
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SPLASHIMAGE_CALLBACK \
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"stdin:console,stdout:console,stderr:console," \
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"serial#:serialno," \
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CONFIG_ENV_CALLBACK_LIST_STATIC
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void env_callback_init(struct env_entry *var_entry);
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#endif /* __ENV_CALLBACK_H__ */
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