1 files changed, 0 insertions, 135 deletions

diff --git a/qemu/roms/u-boot/common/env_callback.c b/qemu/roms/u-boot/common/env_callback.c
deleted file mode 100644
index d03fa03a4..000000000
--- a/qemu/roms/u-boot/common/env_callback.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * (C) Copyright 2012
- * Joe Hershberger, National Instruments, joe.hershberger@ni.com
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <environment.h>
-
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
-/*
- * Look up a callback function pointer by name
- */
-static struct env_clbk_tbl *find_env_callback(const char *name)
-{
-	struct env_clbk_tbl *clbkp;
-	int i;
-	int num_callbacks = ll_entry_count(struct env_clbk_tbl, env_clbk);
-
-	if (name == NULL)
-		return NULL;
-
-	/* look up the callback in the linker-list */
-	for (i = 0, clbkp = ll_entry_start(struct env_clbk_tbl, env_clbk);
-	     i < num_callbacks;
-	     i++, clbkp++) {
-		if (strcmp(name, clbkp->name) == 0)
-			return clbkp;
-	}
-
-	return NULL;
-}
-
-static int first_call = 1;
-static const char *callback_list;
-
-/*
- * Look for a possible callback for a newly added variable
- * This is called specifically when the variable did not exist in the hash
- * previously, so the blanket update did not find this variable.
- */
-void env_callback_init(ENTRY *var_entry)
-{
-	const char *var_name = var_entry->key;
-	char callback_name[256] = "";
-	struct env_clbk_tbl *clbkp;
-	int ret = 1;
-
-	if (first_call) {
-		callback_list = getenv(ENV_CALLBACK_VAR);
-		first_call = 0;
-	}
-
-	/* look in the ".callbacks" var for a reference to this variable */
-	if (callback_list != NULL)
-		ret = env_attr_lookup(callback_list, var_name, callback_name);
-
-	/* only if not found there, look in the static list */
-	if (ret)
-		ret = env_attr_lookup(ENV_CALLBACK_LIST_STATIC, var_name,
-			callback_name);
-
-	/* if an association was found, set the callback pointer */
-	if (!ret && strlen(callback_name)) {
-		clbkp = find_env_callback(callback_name);
-		if (clbkp != NULL)
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-			var_entry->callback = clbkp->callback + gd->reloc_off;
-#else
-			var_entry->callback = clbkp->callback;
-#endif
-	}
-}
-
-/*
- * Called on each existing env var prior to the blanket update since removing
- * a callback association should remove its callback.
- */
-static int clear_callback(ENTRY *entry)
-{
-	entry->callback = NULL;
-
-	return 0;
-}
-
-/*
- * Call for each element in the list that associates variables to callbacks
- */
-static int set_callback(const char *name, const char *value)
-{
-	ENTRY e, *ep;
-	struct env_clbk_tbl *clbkp;
-
-	e.key	= name;
-	e.data	= NULL;
-	hsearch_r(e, FIND, &ep, &env_htab, 0);
-
-	/* does the env variable actually exist? */
-	if (ep != NULL) {
-		/* the assocaition delares no callback, so remove the pointer */
-		if (value == NULL || strlen(value) == 0)
-			ep->callback = NULL;
-		else {
-			/* assign the requested callback */
-			clbkp = find_env_callback(value);
-			if (clbkp != NULL)
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-				ep->callback = clbkp->callback + gd->reloc_off;
-#else
-				ep->callback = clbkp->callback;
-#endif
-		}
-	}
-
-	return 0;
-}
-
-static int on_callbacks(const char *name, const char *value, enum env_op op,
-	int flags)
-{
-	/* remove all callbacks */
-	hwalk_r(&env_htab, clear_callback);
-
-	/* configure any static callback bindings */
-	env_attr_walk(ENV_CALLBACK_LIST_STATIC, set_callback);
-	/* configure any dynamic callback bindings */
-	env_attr_walk(value, set_callback);
-
-	return 0;
-}
-U_BOOT_ENV_CALLBACK(callbacks, on_callbacks);