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https://github.com/AsahiLinux/u-boot
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f7848d90dd
Instead of selecting REGEX when NET is enabled, make it the default, but allow boards that are tiny to disable it and lose functionality on all but the first Ethernet adapter. cm-bf548, bf538f-ezkit, and bf533-stamp need this. None appear to have more than one Ethernet interface. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/*
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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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* SPDX-License-Identifier: GPL-2.0+
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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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#define ETHADDR_WILDCARD "\\d?"
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#else
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#define ENV_DOT_ESCAPE
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#define ETHADDR_WILDCARD
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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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CONFIG_ENV_CALLBACK_LIST_STATIC
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struct env_clbk_tbl {
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const char *name; /* Callback name */
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int (*callback)(const char *name, const char *value, enum env_op op,
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int flags);
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};
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void env_callback_init(ENTRY *var_entry);
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/*
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* Define a callback that can be associated with variables.
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* when associated through the ".callbacks" environment variable, the callback
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* will be executed any time the variable is inserted, overwritten, or deleted.
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*/
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#ifdef CONFIG_SPL_BUILD
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#define U_BOOT_ENV_CALLBACK(name, callback) \
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static inline __maybe_unused void _u_boot_env_noop_##name(void) \
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{ \
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(void)callback; \
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}
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#else
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#define U_BOOT_ENV_CALLBACK(name, callback) \
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ll_entry_declare(struct env_clbk_tbl, name, env_clbk) = \
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{#name, callback}
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#endif
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#endif /* __ENV_CALLBACK_H__ */
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