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[MIPS] Au1xx0: fix prom_getenv() to handle YAMON style environment 

Alchemy boards use YAMON which passes the environment variables as the
tuples of strings (the name followed by the value) unlike PMON which
passes "name=<val>" strings.
    
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Sergei Shtylyov 2006-05-27 23:36:41 +04:00 committed by Ralf Baechle
parent 6ebba0e2f5
commit fef6d6a73a
1 changed files with 9 additions and 15 deletions
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24
arch/mips/au1000/common/prom.c
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@ -1,10 +1,9 @@
/*
*
* BRIEF MODULE DESCRIPTION
* PROM library initialisation code, assuming a version of
* pmon is the boot code.
* PROM library initialisation code, assuming YAMON is the boot loader.
*
* Copyright 2000,2001 MontaVista Software Inc.
* Copyright 2000, 2001, 2006 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
@ -49,9 +48,9 @@ extern char **prom_argv, **prom_envp;
typedef struct
{
char *name;
/* char *val; */
}t_env_var;
char *name;
char *val;
} t_env_var;
char * prom_getcmdline(void)
@ -85,21 +84,16 @@ char *prom_getenv(char *envname)
{
/*
* Return a pointer to the given environment variable.
* Environment variables are stored in the form of "memsize=64".
*/
t_env_var *env = (t_env_var *)prom_envp;
int i;
i = strlen(envname);
while(env->name) {
if(strncmp(envname, env->name, i) == 0) {
return(env->name + strlen(envname) + 1);
}
while (env->name) {
if (strcmp(envname, env->name) == 0)
return env->val;
env++;
}
return(NULL);
return NULL;
}
inline unsigned char str2hexnum(unsigned char c)