From c0559be371b2a64b1a817088c3308688e2182f93 Mon Sep 17 00:00:00 2001
From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Date: Mon, 14 Apr 2008 23:01:50 +0200
Subject: [PATCH] Change env_get_char from a global function ptr to a function.
This avoids an early global data reference.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
---
api/api.c | 1 -
common/cmd_nvedit.c | 3 ---
common/env_common.c | 19 +++++++++++++------
common/env_eeprom.c | 1 -
common/env_nvram.c | 1 -
common/ft_build.c | 2 --
include/common.h | 1 +
7 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/api/api.c b/api/api.c
index 0598d9082dc..c1b2b60aeb1 100644
--- a/api/api.c
+++ b/api/api.c
@@ -40,7 +40,6 @@
/* U-Boot routines needed */
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-extern uchar (*env_get_char)(int);
extern uchar *env_get_addr(int);
/*****************************************************************************
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index cab727f76ca..dc05f68bfeb 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -68,9 +68,6 @@ DECLARE_GLOBAL_DATA_PTR;
/************************************************************************
************************************************************************/
-/* Function that returns a character from the environment */
-extern uchar (*env_get_char)(int);
-
/* Function that returns a pointer to a value from the environment */
/* (Only memory version supported / needed). */
extern uchar *env_get_addr(int);
diff --git a/common/env_common.c b/common/env_common.c
index a49481244e2..f366fdbeb23 100644
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -50,7 +50,6 @@ extern void env_relocate_spec (void);
extern uchar env_get_char_spec(int);
static uchar env_get_char_init (int index);
-uchar (*env_get_char)(int) = env_get_char_init;
/************************************************************************
* Default settings to be used when no valid environment is found
@@ -182,6 +181,19 @@ uchar env_get_char_memory (int index)
}
#endif
+uchar env_get_char (int index)
+{
+ uchar c;
+
+ /* if relocated to RAM */
+ if (gd->flags & GD_FLG_RELOC)
+ c = env_get_char_memory(index);
+ else
+ c = env_get_char_init(index);
+
+ return (c);
+}
+
uchar *env_get_addr (int index)
{
if (gd->env_valid) {
@@ -215,11 +227,6 @@ void env_relocate (void)
DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#endif
- /*
- * After relocation to RAM, we can always use the "memory" functions
- */
- env_get_char = env_get_char_memory;
-
if (gd->env_valid == 0) {
#if defined(CONFIG_GTH) || defined(CFG_ENV_IS_NOWHERE) /* Environment not changable */
puts ("Using default environment\n\n");
diff --git a/common/env_eeprom.c b/common/env_eeprom.c
index 2adc129c677..fae87ca33fe 100644
--- a/common/env_eeprom.c
+++ b/common/env_eeprom.c
@@ -38,7 +38,6 @@ env_t *env_ptr = NULL;
char * env_name_spec = "EEPROM";
-extern uchar (*env_get_char)(int);
extern uchar env_get_char_memory (int index);
diff --git a/common/env_nvram.c b/common/env_nvram.c
index 7c18896cb04..bfc8d02f85b 100644
--- a/common/env_nvram.c
+++ b/common/env_nvram.c
@@ -63,7 +63,6 @@ char * env_name_spec = "NVRAM";
extern uchar default_environment[];
extern int default_environment_size;
-extern uchar (*env_get_char)(int);
extern uchar env_get_char_memory (int index);
#ifdef CONFIG_AMIGAONEG3SE
diff --git a/common/ft_build.c b/common/ft_build.c
index 0e5699a95b8..0b6c2b73347 100644
--- a/common/ft_build.c
+++ b/common/ft_build.c
@@ -396,8 +396,6 @@ void *ft_get_prop(void *bphp, const char *propname, int *szp)
/********************************************************************/
-/* Function that returns a character from the environment */
-extern uchar(*env_get_char) (int);
void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end)
{
diff --git a/include/common.h b/include/common.h
index 39bcd307b58..8630780e921 100644
--- a/include/common.h
+++ b/include/common.h
@@ -229,6 +229,7 @@ extern ulong load_addr; /* Default Load Address */
/* common/cmd_nvedit.c */
int env_init (void);
void env_relocate (void);
+uchar env_get_char (int);
int envmatch (uchar *, int);
char *getenv (char *);
int getenv_r (char *name, char *buf, unsigned len);
--
2.42.0