From c0559be371b2a64b1a817088c3308688e2182f93 Mon Sep 17 00:00:00 2001 From: Joakim Tjernlund 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 --- 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 0598d9082d..c1b2b60aeb 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 cab727f76c..dc05f68bfe 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 a49481244e..f366fdbeb2 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 2adc129c67..fae87ca33f 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 7c18896cb0..bfc8d02f85 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 0e5699a95b..0b6c2b7334 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 39bcd307b5..8630780e92 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); -- 2.30.2