diff options
Diffstat (limited to 'tools/env')
| -rw-r--r-- | tools/env/Makefile | 4 | ||||
| -rw-r--r-- | tools/env/README | 4 | ||||
| -rw-r--r-- | tools/env/fw_env.c | 57 | ||||
| -rw-r--r-- | tools/env/fw_env.h | 6 |
4 files changed, 42 insertions, 29 deletions
diff --git a/tools/env/Makefile b/tools/env/Makefile index 1f16768..ea2d5b5 100644 --- a/tools/env/Makefile +++ b/tools/env/Makefile @@ -28,6 +28,10 @@ HEADERS := fw_env.h CPPFLAGS := -Wall -DUSE_HOSTCC +ifeq ($(MTD_VERSION),old) +CPPFLAGS += -DMTD_OLD +endif + all: $(obj)fw_printenv $(obj)fw_printenv: $(SRCS) $(HEADERS) diff --git a/tools/env/README b/tools/env/README index d8386f7..f8a644e 100644 --- a/tools/env/README +++ b/tools/env/README @@ -6,6 +6,10 @@ For the run-time utiltity configuration uncomment the line #define CONFIG_FILE "/etc/fw_env.config" in fw_env.h. +For building against older versions of the MTD headers (meaning before +v2.6.8-rc1) it is required to pass the argument "MTD_VERSION=old" to +make. + See comments in the fw_env.config file for definitions for the particular board. diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index f723b5b..e083a5b 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -31,16 +31,21 @@ #include <sys/ioctl.h> #include <sys/stat.h> #include <unistd.h> -#include <linux/mtd/mtd.h> -#include "fw_env.h" -typedef unsigned char uchar; +#ifdef MTD_OLD +# include <linux/mtd/mtd.h> +#else +# define __user /* nothing */ +# include <mtd/mtd-user.h> +#endif + +#include "fw_env.h" #define CMD_GETENV "fw_printenv" #define CMD_SETENV "fw_setenv" typedef struct envdev_s { - uchar devname[16]; /* Device name */ + char devname[16]; /* Device name */ ulong devoff; /* Device offset */ ulong env_size; /* environment size */ ulong erase_size; /* device erase size */ @@ -60,22 +65,22 @@ static int curdev; typedef struct environment_s { ulong crc; /* CRC32 over data bytes */ - uchar flags; /* active or obsolete */ - uchar *data; + unsigned char flags; /* active or obsolete */ + char *data; } env_t; static env_t environment; static int HaveRedundEnv = 0; -static uchar active_flag = 1; -static uchar obsolete_flag = 0; +static unsigned char active_flag = 1; +static unsigned char obsolete_flag = 0; #define XMK_STR(x) #x #define MK_STR(x) XMK_STR(x) -static uchar default_environment[] = { +static char default_environment[] = { #if defined(CONFIG_BOOTARGS) "bootargs=" CONFIG_BOOTARGS "\0" #endif @@ -155,7 +160,7 @@ static uchar default_environment[] = { }; static int flash_io (int mode); -static uchar *envmatch (uchar * s1, uchar * s2); +static char *envmatch (char * s1, char * s2); static int env_init (void); static int parse_config (void); @@ -175,15 +180,15 @@ static inline ulong getenvsize (void) * Search the environment for a variable. * Return the value, if found, or NULL, if not found. */ -unsigned char *fw_getenv (unsigned char *name) +char *fw_getenv (char *name) { - uchar *env, *nxt; + char *env, *nxt; if (env_init ()) return (NULL); for (env = environment.data; *env; env = nxt + 1) { - uchar *val; + char *val; for (nxt = env; *nxt; ++nxt) { if (nxt >= &environment.data[ENV_SIZE]) { @@ -206,7 +211,7 @@ unsigned char *fw_getenv (unsigned char *name) */ void fw_printenv (int argc, char *argv[]) { - uchar *env, *nxt; + char *env, *nxt; int i, n_flag; if (env_init ()) @@ -241,8 +246,8 @@ void fw_printenv (int argc, char *argv[]) } for (i = 1; i < argc; ++i) { /* print single env variables */ - uchar *name = argv[i]; - uchar *val = NULL; + char *name = argv[i]; + char *val = NULL; for (env = environment.data; *env; env = nxt + 1) { @@ -279,9 +284,9 @@ void fw_printenv (int argc, char *argv[]) int fw_setenv (int argc, char *argv[]) { int i, len; - uchar *env, *nxt; - uchar *oldval = NULL; - uchar *name; + char *env, *nxt; + char *oldval = NULL; + char *name; if (argc < 2) { return (EINVAL); @@ -361,7 +366,7 @@ int fw_setenv (int argc, char *argv[]) while ((*env = *name++) != '\0') env++; for (i = 2; i < argc; ++i) { - uchar *val = argv[i]; + char *val = argv[i]; *env = (i == 2) ? '=' : ' '; while ((*++env = *val++) != '\0'); @@ -373,7 +378,7 @@ int fw_setenv (int argc, char *argv[]) WRITE_FLASH: /* Update CRC */ - environment.crc = crc32 (0, environment.data, ENV_SIZE); + environment.crc = crc32 (0, (uint8_t*) environment.data, ENV_SIZE); /* write environment back to flash */ if (flash_io (O_RDWR)) { @@ -569,7 +574,7 @@ static int flash_io (int mode) * If the names match, return the value of s2, else NULL. */ -static uchar *envmatch (uchar * s1, uchar * s2) +static char *envmatch (char * s1, char * s2) { while (*s1 == *s2++) @@ -586,10 +591,10 @@ static uchar *envmatch (uchar * s1, uchar * s2) static int env_init (void) { int crc1, crc1_ok; - uchar *addr1; + char *addr1; int crc2, crc2_ok; - uchar flag1, flag2, *addr2; + char flag1, flag2, *addr2; if (parse_config ()) /* should fill envdevices */ return 1; @@ -608,7 +613,7 @@ static int env_init (void) return (errno); } - crc1_ok = ((crc1 = crc32 (0, environment.data, ENV_SIZE)) + crc1_ok = ((crc1 = crc32 (0, (uint8_t *) environment.data, ENV_SIZE)) == environment.crc); if (!HaveRedundEnv) { if (!crc1_ok) { @@ -632,7 +637,7 @@ static int env_init (void) return (errno); } - crc2_ok = ((crc2 = crc32 (0, environment.data, ENV_SIZE)) + crc2_ok = ((crc2 = crc32 (0, (uint8_t *) environment.data, ENV_SIZE)) == environment.crc); flag2 = environment.flags; diff --git a/tools/env/fw_env.h b/tools/env/fw_env.h index 13c45a2..58607de 100644 --- a/tools/env/fw_env.h +++ b/tools/env/fw_env.h @@ -47,8 +47,8 @@ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ "bootm" -extern void fw_printenv(int argc, char *argv[]); -extern unsigned char *fw_getenv (unsigned char *name); -extern int fw_setenv (int argc, char *argv[]); +extern void fw_printenv(int argc, char *argv[]); +extern char *fw_getenv (char *name); +extern int fw_setenv (int argc, char *argv[]); extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned); |