#include <errno.h>
#include <fcntl.h>
+#include <linux/stringify.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include "fw_env.h"
-#include <config.h>
-
#define WHITESPACE(c) ((c == '\t') || (c == ' '))
#define min(x, y) ({ \
#define ENVSECTORS(i) envdevices[(i)].env_sectors
#define DEVTYPE(i) envdevices[(i)].mtd_type
-#define CONFIG_ENV_SIZE ENVSIZE(dev_current)
+#define CUR_ENVSIZE ENVSIZE(dev_current)
#define ENV_SIZE getenvsize()
/* obsolete_flag must be 0 to efficiently set it on NOR flash without erasing */
static unsigned char obsolete_flag = 0;
-
-static char default_environment[] = {
-#if defined(CONFIG_BOOTARGS)
- "bootargs=" CONFIG_BOOTARGS "\0"
-#endif
-#if defined(CONFIG_BOOTCOMMAND)
- "bootcmd=" CONFIG_BOOTCOMMAND "\0"
-#endif
-#if defined(CONFIG_RAMBOOTCOMMAND)
- "ramboot=" CONFIG_RAMBOOTCOMMAND "\0"
-#endif
-#if defined(CONFIG_NFSBOOTCOMMAND)
- "nfsboot=" CONFIG_NFSBOOTCOMMAND "\0"
-#endif
-#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
- "bootdelay=" __stringify(CONFIG_BOOTDELAY) "\0"
-#endif
-#if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0)
- "baudrate=" __stringify(CONFIG_BAUDRATE) "\0"
-#endif
-#ifdef CONFIG_LOADS_ECHO
- "loads_echo=" __stringify(CONFIG_LOADS_ECHO) "\0"
-#endif
-#ifdef CONFIG_ETHADDR
- "ethaddr=" __stringify(CONFIG_ETHADDR) "\0"
-#endif
-#ifdef CONFIG_ETH1ADDR
- "eth1addr=" __stringify(CONFIG_ETH1ADDR) "\0"
-#endif
-#ifdef CONFIG_ETH2ADDR
- "eth2addr=" __stringify(CONFIG_ETH2ADDR) "\0"
-#endif
-#ifdef CONFIG_ETH3ADDR
- "eth3addr=" __stringify(CONFIG_ETH3ADDR) "\0"
-#endif
-#ifdef CONFIG_ETH4ADDR
- "eth4addr=" __stringify(CONFIG_ETH4ADDR) "\0"
-#endif
-#ifdef CONFIG_ETH5ADDR
- "eth5addr=" __stringify(CONFIG_ETH5ADDR) "\0"
-#endif
-#ifdef CONFIG_ETHPRIME
- "ethprime=" CONFIG_ETHPRIME "\0"
-#endif
-#ifdef CONFIG_IPADDR
- "ipaddr=" __stringify(CONFIG_IPADDR) "\0"
-#endif
-#ifdef CONFIG_SERVERIP
- "serverip=" __stringify(CONFIG_SERVERIP) "\0"
-#endif
-#ifdef CONFIG_SYS_AUTOLOAD
- "autoload=" CONFIG_SYS_AUTOLOAD "\0"
-#endif
-#ifdef CONFIG_ROOTPATH
- "rootpath=" CONFIG_ROOTPATH "\0"
-#endif
-#ifdef CONFIG_GATEWAYIP
- "gatewayip=" __stringify(CONFIG_GATEWAYIP) "\0"
-#endif
-#ifdef CONFIG_NETMASK
- "netmask=" __stringify(CONFIG_NETMASK) "\0"
-#endif
-#ifdef CONFIG_HOSTNAME
- "hostname=" __stringify(CONFIG_HOSTNAME) "\0"
-#endif
-#ifdef CONFIG_BOOTFILE
- "bootfile=" CONFIG_BOOTFILE "\0"
-#endif
-#ifdef CONFIG_LOADADDR
- "loadaddr=" __stringify(CONFIG_LOADADDR) "\0"
-#endif
-#ifdef CONFIG_PREBOOT
- "preboot=" CONFIG_PREBOOT "\0"
-#endif
-#ifdef CONFIG_CLOCKS_IN_MHZ
- "clocks_in_mhz=" "1" "\0"
-#endif
-#if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
- "pcidelay=" __stringify(CONFIG_PCI_BOOTDELAY) "\0"
-#endif
-#ifdef CONFIG_ENV_VARS_UBOOT_CONFIG
- "arch=" CONFIG_SYS_ARCH "\0"
- "cpu=" CONFIG_SYS_CPU "\0"
- "board=" CONFIG_SYS_BOARD "\0"
-#ifdef CONFIG_SYS_VENDOR
- "vendor=" CONFIG_SYS_VENDOR "\0"
-#endif
-#ifdef CONFIG_SYS_SOC
- "soc=" CONFIG_SYS_SOC "\0"
-#endif
-#endif
-#ifdef CONFIG_EXTRA_ENV_SETTINGS
- CONFIG_EXTRA_ENV_SETTINGS
-#endif
- "\0" /* Termimate struct environment data with 2 NULs */
-};
+#define DEFAULT_ENV_INSTANCE_STATIC
+#include <env_default.h>
static int flash_io (int mode);
static char *envmatch (char * s1, char * s2);
#endif
static inline ulong getenvsize (void)
{
- ulong rc = CONFIG_ENV_SIZE - sizeof (long);
+ ulong rc = CUR_ENVSIZE - sizeof(long);
if (HaveRedundEnv)
rc -= sizeof (char);
{
char *env, *nxt;
- if (fw_env_open())
- return NULL;
-
for (env = environment.data; *env; env = nxt + 1) {
char *val;
++env;
/*
* Overflow when:
- * "name" + "=" + "val" +"\0\0" > CONFIG_ENV_SIZE - (env-environment)
+ * "name" + "=" + "val" +"\0\0" > CUR_ENVSIZE - (env-environment)
*/
len = strlen (name) + 2;
/* add '=' for first arg, ' ' for all others */
int i, len;
char *name;
char *value = NULL;
- char *tmpval = NULL;
if (argc < 2) {
errno = EINVAL;
name = argv[1];
- len = strlen(name) + 2;
- for (i = 2; i < argc; ++i)
- len += strlen(argv[i]) + 1;
-
- /* Allocate enough place to the data string */
+ len = 0;
for (i = 2; i < argc; ++i) {
char *val = argv[i];
+ size_t val_len = strlen(val);
+
+ if (value)
+ value[len - 1] = ' ';
+ value = realloc(value, len + val_len + 1);
if (!value) {
- value = (char *)malloc(len - strlen(name));
- if (!value) {
- fprintf(stderr,
+ fprintf(stderr,
"Cannot malloc %zu bytes: %s\n",
- len - strlen(name), strerror(errno));
- return -1;
- }
- memset(value, 0, len - strlen(name));
- tmpval = value;
+ len, strerror(errno));
+ return -1;
}
- if (i != 2)
- *tmpval++ = ' ';
- while (*val != '\0')
- *tmpval++ = *val++;
+
+ memcpy(value + len, val, val_len);
+ len += val_len;
+ value[len++] = '\0';
}
fw_env_write(name, value);
- if (value)
- free(value);
+ free(value);
return fw_env_close();
}
return -1;
}
#ifdef DEBUG
- fprintf (stderr, "Read 0x%x bytes at 0x%llx\n",
- rc, blockstart + block_seek);
+ fprintf(stderr, "Read 0x%x bytes at 0x%llx on %s\n",
+ rc, blockstart + block_seek, DEVNAME(dev));
#endif
processed += readlen;
readlen = min (blocklen, count - processed);
if (write_total != rc)
return -1;
+#ifdef DEBUG
+ fprintf(stderr, "Preserving data ");
+ if (block_seek != 0)
+ fprintf(stderr, "0x%x - 0x%lx", 0, block_seek - 1);
+ if (block_seek + count != write_total) {
+ if (block_seek != 0)
+ fprintf(stderr, " and ");
+ fprintf(stderr, "0x%lx - 0x%x",
+ block_seek + count, write_total - 1);
+ }
+ fprintf(stderr, "\n");
+#endif
/* Overwrite the old environment */
memcpy (data + block_seek, buf, count);
} else {
}
#ifdef DEBUG
- printf ("Write 0x%x bytes at 0x%llx\n", erasesize, blockstart);
+ fprintf(stderr, "Write 0x%x bytes at 0x%llx\n", erasesize,
+ blockstart);
#endif
if (write (fd, data + processed, erasesize) != erasesize) {
fprintf (stderr, "Write error on %s: %s\n",
}
#ifdef DEBUG
- printf ("Writing new environment at 0x%lx on %s\n",
+ fprintf(stderr, "Writing new environment at 0x%lx on %s\n",
DEVOFFSET (dev_target), DEVNAME (dev_target));
#endif
- rc = flash_write_buf (dev_target, fd_target, environment.image,
- CONFIG_ENV_SIZE, DEVOFFSET (dev_target),
+ rc = flash_write_buf(dev_target, fd_target, environment.image,
+ CUR_ENVSIZE, DEVOFFSET(dev_target),
DEVTYPE(dev_target));
if (rc < 0)
return rc;
off_t offset = DEVOFFSET (dev_current) +
offsetof (struct env_image_redundant, flags);
#ifdef DEBUG
- printf ("Setting obsolete flag in environment at 0x%lx on %s\n",
+ fprintf(stderr,
+ "Setting obsolete flag in environment at 0x%lx on %s\n",
DEVOFFSET (dev_current), DEVNAME (dev_current));
#endif
flash_flag_obsolete (dev_current, fd_current, offset);
DEVTYPE(dev_current) = mtdinfo.type;
- rc = flash_read_buf (dev_current, fd, environment.image, CONFIG_ENV_SIZE,
+ rc = flash_read_buf(dev_current, fd, environment.image, CUR_ENVSIZE,
DEVOFFSET (dev_current), mtdinfo.type);
- return (rc != CONFIG_ENV_SIZE) ? -1 : 0;
+ return (rc != CUR_ENVSIZE) ? -1 : 0;
}
static int flash_io (int mode)
static char *envmatch (char * s1, char * s2)
{
+ if (s1 == NULL || s2 == NULL)
+ return NULL;
while (*s1 == *s2++)
if (*s1++ == '=')
if (parse_config ()) /* should fill envdevices */
return -1;
- addr0 = calloc (1, CONFIG_ENV_SIZE);
+ addr0 = calloc(1, CUR_ENVSIZE);
if (addr0 == NULL) {
- fprintf (stderr,
+ fprintf(stderr,
"Not enough memory for environment (%ld bytes)\n",
- CONFIG_ENV_SIZE);
+ CUR_ENVSIZE);
return -1;
}
flag0 = *environment.flags;
dev_current = 1;
- addr1 = calloc (1, CONFIG_ENV_SIZE);
+ addr1 = calloc(1, CUR_ENVSIZE);
if (addr1 == NULL) {
- fprintf (stderr,
+ fprintf(stderr,
"Not enough memory for environment (%ld bytes)\n",
- CONFIG_ENV_SIZE);
+ CUR_ENVSIZE);
return -1;
}
redundant = addr1;
/* Other pointers are already set */
free (addr1);
}
+#ifdef DEBUG
+ fprintf(stderr, "Selected env in %s\n", DEVNAME(dev_current));
+#endif
}
return 0;
}
projects / karo-tx-uboot.git / blobdiff