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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-06-29 09:40:54 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-06-29 09:40:54 +0000
commit53952f8db0df35b91ddd1f25882fd73bdeea6833 (patch)
treed9a09ef9100a75ec19bc1bf10df5b31d51c13047 /package/rbcfg/src
parent5c047f990648f8e77409e94910d20f747d9a47ab (diff)
package/rbcfg: new tool for modifying boot configuration on the RB4xx boards
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27315 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/rbcfg/src')
-rw-r--r--package/rbcfg/src/Makefile14
-rw-r--r--package/rbcfg/src/cyg_crc.h109
-rw-r--r--package/rbcfg/src/cyg_crc32.c172
-rw-r--r--package/rbcfg/src/main.c791
-rw-r--r--package/rbcfg/src/rbcfg.h75
5 files changed, 1161 insertions, 0 deletions
diff --git a/package/rbcfg/src/Makefile b/package/rbcfg/src/Makefile
new file mode 100644
index 0000000000..62c74b2678
--- /dev/null
+++ b/package/rbcfg/src/Makefile
@@ -0,0 +1,14 @@
+CC = gcc
+CFLAGS = -Wall
+OBJS = main.o cyg_crc32.o
+
+all: rbcfg
+
+%.o: %.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+rbcfg: $(OBJS)
+ $(CC) -o $@ $(OBJS)
+
+clean:
+ rm -f rbcfg *.o
diff --git a/package/rbcfg/src/cyg_crc.h b/package/rbcfg/src/cyg_crc.h
new file mode 100644
index 0000000000..7b59803446
--- /dev/null
+++ b/package/rbcfg/src/cyg_crc.h
@@ -0,0 +1,109 @@
+//==========================================================================
+//
+// crc.h
+//
+// Interface for the CRC algorithms.
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2002 Andrew Lunn
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): Andrew Lunn
+// Contributors: Andrew Lunn
+// Date: 2002-08-06
+// Purpose:
+// Description:
+//
+// This code is part of eCos (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef _SERVICES_CRC_CRC_H_
+#define _SERVICES_CRC_CRC_H_
+
+#if 0
+#include <cyg/infra/cyg_type.h>
+#else
+#include <stdint.h>
+typedef uint32_t cyg_uint32;
+typedef uint16_t cyg_uint16;
+#endif
+
+#ifndef __externC
+# ifdef __cplusplus
+# define __externC extern "C"
+# else
+# define __externC extern
+# endif
+#endif
+
+// Compute a CRC, using the POSIX 1003 definition
+
+__externC cyg_uint32
+cyg_posix_crc32(unsigned char *s, int len);
+
+// Gary S. Brown's 32 bit CRC
+
+__externC cyg_uint32
+cyg_crc32(unsigned char *s, int len);
+
+// Gary S. Brown's 32 bit CRC, but accumulate the result from a
+// previous CRC calculation
+
+__externC cyg_uint32
+cyg_crc32_accumulate(cyg_uint32 crc, unsigned char *s, int len);
+
+// Ethernet FCS Algorithm
+
+__externC cyg_uint32
+cyg_ether_crc32(unsigned char *s, int len);
+
+// Ethernet FCS algorithm, but accumulate the result from a previous
+// CRC calculation.
+
+__externC cyg_uint32
+cyg_ether_crc32_accumulate(cyg_uint32 crc, unsigned char *s, int len);
+
+// 16 bit CRC with polynomial x^16+x^12+x^5+1
+
+__externC cyg_uint16
+cyg_crc16(unsigned char *s, int len);
+
+#endif // _SERVICES_CRC_CRC_H_
+
+
+
diff --git a/package/rbcfg/src/cyg_crc32.c b/package/rbcfg/src/cyg_crc32.c
new file mode 100644
index 0000000000..9462598ae6
--- /dev/null
+++ b/package/rbcfg/src/cyg_crc32.c
@@ -0,0 +1,172 @@
+//==========================================================================
+//
+// crc32.c
+//
+// Gary S. Brown's 32 bit CRC
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): gthomas
+// Contributors: gthomas,asl
+// Date: 2001-01-31
+// Purpose:
+// Description:
+//
+// This code is part of eCos (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#if 0
+#include <cyg/crc/crc.h>
+#else
+#include "cyg_crc.h"
+#endif
+
+ /* ====================================================================== */
+ /* COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or */
+ /* code or tables extracted from it, as desired without restriction. */
+ /* */
+ /* First, the polynomial itself and its table of feedback terms. The */
+ /* polynomial is */
+ /* X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 */
+ /* */
+ /* ====================================================================== */
+
+static const cyg_uint32 crc32_tab[] = {
+ 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
+ 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
+ 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
+ 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
+ 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
+ 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
+ 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
+ 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
+ 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
+ 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
+ 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
+ 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
+ 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
+ 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
+ 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
+ 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
+ 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
+ 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
+ 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
+ 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
+ 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
+ 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
+ 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
+ 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
+ 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
+ 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
+ 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
+ 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
+ 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
+ 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
+ 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
+ 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
+ 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
+ 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
+ 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
+ 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
+ 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
+ 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
+ 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
+ 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
+ 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
+ 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
+ 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
+ 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
+ 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
+ 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
+ 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
+ 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
+ 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
+ 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
+ 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
+ 0x2d02ef8dL
+ };
+
+/* This is the standard Gary S. Brown's 32 bit CRC algorithm, but
+ accumulate the CRC into the result of a previous CRC. */
+cyg_uint32
+cyg_crc32_accumulate(cyg_uint32 crc32val, unsigned char *s, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ crc32val = crc32_tab[(crc32val ^ s[i]) & 0xff] ^ (crc32val >> 8);
+ }
+ return crc32val;
+}
+
+/* This is the standard Gary S. Brown's 32 bit CRC algorithm */
+cyg_uint32
+cyg_crc32(unsigned char *s, int len)
+{
+ return (cyg_crc32_accumulate(0,s,len));
+}
+
+/* Return a 32-bit CRC of the contents of the buffer accumulating the
+ result from a previous CRC calculation. This uses the Ethernet FCS
+ algorithm.*/
+cyg_uint32
+cyg_ether_crc32_accumulate(cyg_uint32 crc32val, unsigned char *s, int len)
+{
+ int i;
+
+ if (s == 0) return 0L;
+
+ crc32val = crc32val ^ 0xffffffff;
+ for (i = 0; i < len; i++) {
+ crc32val = crc32_tab[(crc32val ^ s[i]) & 0xff] ^ (crc32val >> 8);
+ }
+ return crc32val ^ 0xffffffff;
+}
+
+/* Return a 32-bit CRC of the contents of the buffer, using the
+ Ethernet FCS algorithm. */
+cyg_uint32
+cyg_ether_crc32(unsigned char *s, int len)
+{
+ return cyg_ether_crc32_accumulate(0,s,len);
+}
+
+
diff --git a/package/rbcfg/src/main.c b/package/rbcfg/src/main.c
new file mode 100644
index 0000000000..5614a6c223
--- /dev/null
+++ b/package/rbcfg/src/main.c
@@ -0,0 +1,791 @@
+/*
+ * RouterBOOT configuration utility
+ *
+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <linux/limits.h>
+
+#include "rbcfg.h"
+#include "cyg_crc.h"
+
+#define RBCFG_TMP_FILE "/tmp/.rbcfg"
+#define RBCFG_MTD_NAME "soft_config"
+
+#define RB_ERR_NOTFOUND 1
+#define RB_ERR_INVALID 2
+#define RB_ERR_NOMEM 3
+#define RB_ERR_IO 4
+
+#define ARRAY_SIZE(_a) (sizeof((_a)) / sizeof((_a)[0]))
+
+struct rbcfg_ctx {
+ char *mtd_device;
+ char *tmp_file;
+ char *buf;
+ unsigned buflen;
+};
+
+struct rbcfg_value {
+ const char *name;
+ const char *desc;
+ union {
+ uint32_t u32;
+ const char *raw;
+ } val;
+};
+
+#define RBCFG_ENV_TYPE_U32 0
+
+struct rbcfg_env {
+ const char *name;
+ int type;
+ uint16_t id;
+ const struct rbcfg_value *values;
+ int num_values;
+};
+
+#define CMD_FLAG_USES_CFG 0x01
+
+struct rbcfg_command {
+ const char *command;
+ const char *usage;
+ int flags;
+ int (*exec)(int argc, const char *argv[]);
+};
+
+static void usage(void);
+
+/* Globals */
+
+static struct rbcfg_ctx *rbcfg_ctx;
+static char *rbcfg_name;
+
+#define CFG_U32(_name, _desc, _val) { \
+ .name = (_name), \
+ .desc = (_desc), \
+ .val.u32 = (_val), \
+}
+
+static const struct rbcfg_value rbcfg_boot_delay[] = {
+ CFG_U32("1", "1 second", RB_BOOT_DELAY_1SEC),
+ CFG_U32("2", "2 seconds", RB_BOOT_DELAY_2SEC),
+ CFG_U32("3", "3 seconds", RB_BOOT_DELAY_3SEC),
+ CFG_U32("4", "4 seconds", RB_BOOT_DELAY_4SEC),
+ CFG_U32("5", "5 seconds", RB_BOOT_DELAY_5SEC),
+ CFG_U32("6", "6 seconds", RB_BOOT_DELAY_6SEC),
+ CFG_U32("7", "7 seconds", RB_BOOT_DELAY_7SEC),
+ CFG_U32("8", "8 seconds", RB_BOOT_DELAY_8SEC),
+ CFG_U32("9", "9 seconds", RB_BOOT_DELAY_9SEC),
+};
+
+static const struct rbcfg_value rbcfg_boot_device[] = {
+ CFG_U32("eth", "boot over Ethernet",
+ RB_BOOT_DEVICE_ETHER),
+ CFG_U32("nandeth", "boot from NAND, if fail then Ethernet",
+ RB_BOOT_DEVICE_NANDETH),
+ CFG_U32("ethnand", "boot Ethernet once, then NAND",
+ RB_BOOT_DEVICE_ETHONCE),
+ CFG_U32("nand", "boot from NAND only",
+ RB_BOOT_DEVICE_NANDONLY),
+};
+
+static const struct rbcfg_value rbcfg_boot_key[] = {
+ CFG_U32("any", "any key", RB_BOOT_KEY_ANY),
+ CFG_U32("del", "<Delete> key only", RB_BOOT_KEY_DEL),
+};
+
+static const struct rbcfg_value rbcfg_boot_protocol[] = {
+ CFG_U32("bootp", "BOOTP protocol", RB_BOOT_PROTOCOL_BOOTP),
+ CFG_U32("dhcp", "DHCP protocol", RB_BOOT_PROTOCOL_DHCP),
+};
+
+static const struct rbcfg_value rbcfg_uart_speed[] = {
+ CFG_U32("115200", "", RB_UART_SPEED_115200),
+ CFG_U32("57600", "", RB_UART_SPEED_57600),
+ CFG_U32("38400", "", RB_UART_SPEED_38400),
+ CFG_U32("19200", "", RB_UART_SPEED_19200),
+ CFG_U32("9600", "", RB_UART_SPEED_9600),
+ CFG_U32("4800", "", RB_UART_SPEED_4800),
+ CFG_U32("2400", "", RB_UART_SPEED_2400),
+ CFG_U32("1200", "", RB_UART_SPEED_1200),
+ CFG_U32("off", "disable console output", RB_UART_SPEED_OFF),
+};
+
+static const struct rbcfg_value rbcfg_cpu_mode[] = {
+ CFG_U32("powersave", "power save", RB_CPU_MODE_POWERSAVE),
+ CFG_U32("regular", "regular (better for -0c environment)",
+ RB_CPU_MODE_REGULAR),
+};
+
+static const struct rbcfg_value rbcfg_booter[] = {
+ CFG_U32("regular", "load regular booter", RB_BOOTER_REGULAR),
+ CFG_U32("backup", "force backup-booter loading", RB_BOOTER_BACKUP),
+};
+
+static const struct rbcfg_env rbcfg_envs[] = {
+ {
+ .name = "boot_delay",
+ .id = RB_ID_BOOT_DELAY,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_boot_delay,
+ .num_values = ARRAY_SIZE(rbcfg_boot_delay),
+ }, {
+ .name = "boot_device",
+ .id = RB_ID_BOOT_DEVICE,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_boot_device,
+ .num_values = ARRAY_SIZE(rbcfg_boot_device),
+ }, {
+ .name = "boot_key",
+ .id = RB_ID_BOOT_KEY,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_boot_key,
+ .num_values = ARRAY_SIZE(rbcfg_boot_key),
+ }, {
+ .name = "boot_protocol",
+ .id = RB_ID_BOOT_PROTOCOL,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_boot_protocol,
+ .num_values = ARRAY_SIZE(rbcfg_boot_protocol),
+ }, {
+ .name = "booter",
+ .id = RB_ID_BOOTER,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_booter,
+ .num_values = ARRAY_SIZE(rbcfg_booter),
+ }, {
+ .name = "cpu_mode",
+ .id = RB_ID_CPU_MODE,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_cpu_mode,
+ .num_values = ARRAY_SIZE(rbcfg_cpu_mode),
+ }, {
+ .name = "uart_speed",
+ .id = RB_ID_UART_SPEED,
+ .type = RBCFG_ENV_TYPE_U32,
+ .values = rbcfg_uart_speed,
+ .num_values = ARRAY_SIZE(rbcfg_uart_speed),
+ }
+};
+
+static inline uint16_t
+get_u16(const void *buf)
+{
+ const uint8_t *p = buf;
+
+ return ((uint16_t) p[1] + ((uint16_t) p[0] << 8));
+}
+
+static inline uint32_t
+get_u32(const void *buf)
+{
+ const uint8_t *p = buf;
+
+ return ((uint32_t) p[3] + ((uint32_t) p[2] << 8) +
+ ((uint32_t) p[1] << 16) + ((uint32_t) p[0] << 24));
+}
+
+static inline void
+put_u32(void *buf, uint32_t val)
+{
+ uint8_t *p = buf;
+
+ p[3] = val & 0xff;
+ p[2] = (val >> 8) & 0xff;
+ p[1] = (val >> 16) & 0xff;
+ p[0] = (val >> 24) & 0xff;
+}
+
+static int
+rbcfg_find_tag(struct rbcfg_ctx *ctx, uint16_t tag_id, uint16_t *tag_len,
+ void **tag_data)
+{
+ uint16_t id;
+ uint16_t len;
+ char *buf = ctx->buf;
+ unsigned int buflen = ctx->buflen;
+ int ret = RB_ERR_NOTFOUND;
+
+ /* skip magic and CRC value */
+ buf += 8;
+ buflen -= 8;
+
+ while (buflen > 2) {
+ len = get_u16(buf);
+ buf += 2;
+ buflen -= 2;
+
+ if (buflen < 2)
+ break;
+
+ id = get_u16(buf);
+ buf += 2;
+ buflen -= 2;
+
+ if (id == RB_ID_TERMINATOR)
+ break;
+
+ if (buflen < len)
+ break;
+
+ if (id == tag_id) {
+ *tag_len = len;
+ *tag_data = buf;
+ ret = 0;
+ break;
+ }
+
+ buf += len;
+ buflen -= len;
+ }
+
+ if (ret)
+ fprintf(stderr, "no tag found with id=%u\n", tag_id);
+
+ return ret;
+}
+
+static int
+rbcfg_get_u32(struct rbcfg_ctx *ctx, uint16_t id, uint32_t *val)
+{
+ void *tag_data;
+ uint16_t tag_len;
+ int err;
+
+ err = rbcfg_find_tag(ctx, id, &tag_len, &tag_data);
+ if (err)
+ return err;
+
+ *val = get_u32(tag_data);
+ return 0;
+}
+
+static int
+rbcfg_set_u32(struct rbcfg_ctx *ctx, uint16_t id, uint32_t val)
+{
+ void *tag_data;
+ uint16_t tag_len;
+ int err;
+
+ err = rbcfg_find_tag(ctx, id, &tag_len, &tag_data);
+ if (err)
+ return err;
+
+ put_u32(tag_data, val);
+ return 0;
+}
+
+char *rbcfg_find_mtd(const char *name, int *erase_size)
+{
+ FILE *f;
+ int mtd_num;
+ char dev[PATH_MAX];
+ char *ret = NULL;
+ struct stat s;
+ int err;
+
+ f = fopen("/proc/mtd", "r");
+ if (!f)
+ return NULL;
+
+ while (1) {
+ char *p;
+ p = fgets(dev, sizeof(dev), f);
+ if (!p)
+ break;
+
+ if (!strstr(dev, name))
+ continue;
+
+ err = sscanf(dev, "mtd%d: %08x", &mtd_num, erase_size);
+ if (err != 2)
+ break;
+
+ sprintf(dev, "/dev/mtdblock%d", mtd_num);
+ err = stat(dev, &s);
+ if (err < 0)
+ break;
+
+ if ((s.st_mode & S_IFBLK) == 0)
+ break;
+
+ ret = malloc(strlen(dev) + 1);
+ if (ret == NULL)
+ break;
+
+ strncpy(ret, dev, strlen(dev) + 1);
+ break;
+ }
+
+ fclose(f);
+ return ret;
+}
+
+static int
+rbcfg_check_tmp(struct rbcfg_ctx *ctx)
+{
+ struct stat s;
+ int err;
+
+ err = stat(ctx->tmp_file, &s);
+ if (err < 0)
+ return 0;
+
+ if ((s.st_mode & S_IFREG) == 0)
+ return 0;
+
+ if (s.st_size != ctx->buflen)
+ return 0;
+
+ return 1;
+}
+
+static int
+rbcfg_load(struct rbcfg_ctx *ctx)
+{
+ uint32_t magic;
+ uint32_t crc_orig, crc;
+ char *name;
+ int tmp;
+ int fd;
+ int err;
+
+ tmp = rbcfg_check_tmp(ctx);
+ name = (tmp) ? ctx->tmp_file : ctx->mtd_device;
+
+ fd = open(name, O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "unable to open %s\n", name);
+ err = RB_ERR_IO;
+ goto err;
+ }
+
+ err = read(fd, ctx->buf, ctx->buflen);
+ if (err != ctx->buflen) {
+ fprintf(stderr, "unable to read from %s\n", name);
+ err = RB_ERR_IO;
+ goto err_close;
+ }
+
+ magic = get_u32(ctx->buf);
+ if (magic != RB_MAGIC_SOFT) {
+ fprintf(stderr, "invalid configuration\n");
+ err = RB_ERR_INVALID;
+ goto err_close;
+ }
+
+ crc_orig = get_u32(ctx->buf + 4);
+ put_u32(ctx->buf + 4, 0);
+ crc = cyg_ether_crc32((unsigned char *) ctx->buf, ctx->buflen);
+ if (crc != crc_orig) {
+ fprintf(stderr, "configuration has CRC error\n");
+ err = RB_ERR_INVALID;
+ goto err_close;
+ }
+
+ err = 0;
+
+ err_close:
+ close(fd);
+ err:
+ return err;
+}
+
+static int
+rbcfg_open()
+{
+ char *mtd_device;
+ struct rbcfg_ctx *ctx;
+ int buflen;
+ int err;
+
+ mtd_device = rbcfg_find_mtd(RBCFG_MTD_NAME, &buflen);
+ if (!mtd_device) {
+ fprintf(stderr, "unable to find configuration\n");
+ return RB_ERR_NOTFOUND;
+ }
+
+ ctx = malloc(sizeof(struct rbcfg_ctx) + buflen);
+ if (ctx == NULL) {
+ err = RB_ERR_NOMEM;
+ goto err_free_mtd;
+ }
+
+ ctx->mtd_device = mtd_device;
+ ctx->tmp_file = RBCFG_TMP_FILE;
+ ctx->buflen = buflen;
+ ctx->buf = (char *) &ctx[1];
+
+ err = rbcfg_load(ctx);
+ if (err)
+ goto err_free_ctx;
+
+ rbcfg_ctx = ctx;
+ return 0;
+
+ err_free_ctx:
+ free(ctx);
+ err_free_mtd:
+ free(mtd_device);
+ return err;
+}
+
+static int
+rbcfg_update(int tmp)
+{
+ struct rbcfg_ctx *ctx = rbcfg_ctx;
+ char *name;
+ uint32_t crc;
+ int fd;
+ int err;
+
+ put_u32(ctx->buf, RB_MAGIC_SOFT);
+ put_u32(ctx->buf + 4, 0);
+ crc = cyg_ether_crc32((unsigned char *) ctx->buf, ctx->buflen);
+ put_u32(ctx->buf + 4, crc);
+
+ name = (tmp) ? ctx->tmp_file : ctx->mtd_device;
+ fd = open(name, O_WRONLY | O_CREAT);
+ if (fd < 0) {
+ fprintf(stderr, "unable to open %s for writing\n", name);
+ err = RB_ERR_IO;
+ goto out;
+ }
+
+ err = write(fd, ctx->buf, ctx->buflen);
+ if (err != ctx->buflen) {
+ err = RB_ERR_IO;
+ goto out_close;
+ }
+
+ fsync(fd);
+ err = 0;
+
+ out_close:
+ close(fd);
+ out:
+ return err;
+}
+
+static void
+rbcfg_close(void)
+{
+ struct rbcfg_ctx *ctx;
+
+ ctx = rbcfg_ctx;
+ free(ctx->mtd_device);
+ free(ctx);
+}
+
+static const struct rbcfg_value *
+rbcfg_env_find(const struct rbcfg_env *env, const char *name)
+{
+ unsigned i;
+
+ for (i = 0; i < env->num_values; i++) {
+ const struct rbcfg_value *v = &env->values[i];
+
+ if (strcmp(v->name, name) == 0)
+ return v;
+ }
+
+ return NULL;
+}
+
+static const struct rbcfg_value *
+rbcfg_env_find_u32(const struct rbcfg_env *env, uint32_t val)
+{
+ unsigned i;
+
+ for (i = 0; i < env->num_values; i++) {
+ const struct rbcfg_value *v = &env->values[i];
+
+ if (v->val.u32 == val)
+ return v;
+ }
+
+ return NULL;
+}
+
+static const char *
+rbcfg_env_get_u32(const struct rbcfg_env *env)
+{
+ const struct rbcfg_value *v;
+ uint32_t val;
+ int err;
+
+ err = rbcfg_get_u32(rbcfg_ctx, env->id, &val);
+ if (err)
+ return NULL;
+
+ v = rbcfg_env_find_u32(env, val);
+ if (v == NULL) {
+ fprintf(stderr, "unknown value %08x found for %s\n",
+ val, env->name);
+ return NULL;
+ }
+
+ return v->name;
+}
+
+static int
+rbcfg_env_set_u32(const struct rbcfg_env *env, const char *data)
+{
+ const struct rbcfg_value *v;
+ int err;
+
+ v = rbcfg_env_find(env, data);
+ if (v == NULL) {
+ fprintf(stderr, "invalid value '%s'\n", data);
+ return RB_ERR_INVALID;
+ }
+
+ err = rbcfg_set_u32(rbcfg_ctx, env->id, v->val.u32);
+ return err;
+}
+
+static const char *
+rbcfg_env_get(const struct rbcfg_env *env)
+{
+ const char *ret = NULL;
+
+ switch (env->type) {
+ case RBCFG_ENV_TYPE_U32:
+ ret = rbcfg_env_get_u32(env);
+ break;
+ }
+
+ return ret;
+}
+
+static int
+rbcfg_env_set(const struct rbcfg_env *env, const char *data)
+{
+ int ret = 0;
+
+ switch (env->type) {
+ case RBCFG_ENV_TYPE_U32:
+ ret = rbcfg_env_set_u32(env, data);
+ break;
+ }
+
+ return ret;
+}
+
+static int
+rbcfg_cmd_apply(int argc, const char *argv[])
+{
+ return rbcfg_update(0);
+}
+
+static int
+rbcfg_cmd_help(int argc, const char *argv[])
+{
+ usage();
+ return 0;
+}
+
+static int
+rbcfg_cmd_get(int argc, const char *argv[])
+{
+ int err = RB_ERR_NOTFOUND;
+ int i;
+
+ if (argc != 1) {
+ usage();
+ return RB_ERR_INVALID;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) {
+ const struct rbcfg_env *env = &rbcfg_envs[i];
+ const char *value;
+
+ if (strcmp(env->name, argv[0]))
+ continue;
+
+ value = rbcfg_env_get(env);
+ if (value) {
+ fprintf(stdout, "%s\n", value);
+ err = 0;
+ }
+ break;
+ }
+
+ return err;
+}
+
+static int
+rbcfg_cmd_set(int argc, const char *argv[])
+{
+ int err = RB_ERR_INVALID;
+ int i;
+
+ if (argc != 2) {
+ /* not enough parameters */
+ usage();
+ return RB_ERR_INVALID;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) {
+ const struct rbcfg_env *env = &rbcfg_envs[i];
+
+ if (strcmp(env->name, argv[0]))
+ continue;
+
+ err = rbcfg_env_set(env, argv[1]);
+ if (err == 0)
+ err = rbcfg_update(1);
+ break;
+ }
+
+ return err;
+}
+
+static int
+rbcfg_cmd_show(int argc, const char *argv[])
+{
+ int i;
+
+ if (argc != 0) {
+ usage();
+ return RB_ERR_INVALID;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) {
+ const struct rbcfg_env *env = &rbcfg_envs[i];
+ const char *value;
+
+ value = rbcfg_env_get(env);
+ if (value)
+ fprintf(stdout, "%s=%s\n", env->name, value);
+ }
+
+ return 0;
+}
+
+static const struct rbcfg_command rbcfg_commands[] = {
+ {
+ .command = "apply",
+ .usage = "apply\n"
+ "\t- write configuration to the mtd device",
+ .flags = CMD_FLAG_USES_CFG,
+ .exec = rbcfg_cmd_apply,
+ }, {
+ .command = "help",
+ .usage = "help\n"
+ "\t- show this screen",
+ .exec = rbcfg_cmd_help,
+ }, {
+ .command = "get",
+ .usage = "get <name>\n"
+ "\t- get value of the configuration option <name>",
+ .flags = CMD_FLAG_USES_CFG,
+ .exec = rbcfg_cmd_get,
+ }, {
+ .command = "set",
+ .usage = "set <name> <value>\n"
+ "\t- set value of the configuration option <name> to <value>",
+ .flags = CMD_FLAG_USES_CFG,
+ .exec = rbcfg_cmd_set,
+ }, {
+ .command = "show",
+ .usage = "show\n"
+ "\t- show value of all configuration options",
+ .flags = CMD_FLAG_USES_CFG,
+ .exec = rbcfg_cmd_show,
+ }
+};
+
+static void
+usage(void)
+{
+ char buf[255];
+ int len;
+ int i;
+
+ fprintf(stderr, "Usage: %s <command>\n", rbcfg_name);
+
+ fprintf(stderr, "\nCommands:\n");
+ for (i = 0; i < ARRAY_SIZE(rbcfg_commands); i++) {
+ const struct rbcfg_command *cmd;
+ cmd = &rbcfg_commands[i];
+
+ len = snprintf(buf, sizeof(buf), cmd->usage);
+ buf[len] = '\0';
+ fprintf(stderr, "%s\n", buf);
+ }
+
+ fprintf(stderr, "\nConfiguration options:\n");
+ for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) {
+ const struct rbcfg_env *env;
+ int j;
+
+ env = &rbcfg_envs[i];
+ fprintf(stderr, "\n%s:\n", env->name);
+ for (j = 0; j < env->num_values; j++) {
+ const struct rbcfg_value *v = &env->values[j];
+ fprintf(stderr, "\t%-12s %s\n", v->name, v->desc);
+ }
+ }
+ fprintf(stderr, "\n");
+}
+
+int main(int argc, const char *argv[])
+{
+ const struct rbcfg_command *cmd = NULL;
+ int ret;
+ int i;
+
+ rbcfg_name = (char *) argv[0];
+
+ if (argc < 2) {
+ usage();
+ return EXIT_FAILURE;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rbcfg_commands); i++) {
+ if (strcmp(rbcfg_commands[i].command, argv[1]) == 0) {
+ cmd = &rbcfg_commands[i];
+ break;
+ }
+ }
+
+ if (cmd == NULL) {
+ fprintf(stderr, "unknown command '%s'\n", argv[1]);
+ usage();
+ return EXIT_FAILURE;
+ }
+
+ argc -= 2;
+ argv += 2;
+
+ if (cmd->flags & CMD_FLAG_USES_CFG) {
+ ret = rbcfg_open();
+ if (ret)
+ return EXIT_FAILURE;
+ }
+
+ ret = cmd->exec(argc, argv);
+
+ if (cmd->flags & CMD_FLAG_USES_CFG)
+ rbcfg_close();
+
+ if (ret)
+ return EXIT_FAILURE;
+
+ return EXIT_SUCCESS;
+}
diff --git a/package/rbcfg/src/rbcfg.h b/package/rbcfg/src/rbcfg.h
new file mode 100644
index 0000000000..899161a10d
--- /dev/null
+++ b/package/rbcfg/src/rbcfg.h
@@ -0,0 +1,75 @@
+/*
+ * Mikrotik's RouterBOOT configuration defines
+ *
+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#ifndef _RBCFG_H
+#define _RBCFG_H
+
+/*
+ * Magic numbers
+ */
+#define RB_MAGIC_SOFT 0x74666f53 /* 'Soft' */
+
+/*
+ * ID values for Software settings
+ */
+#define RB_ID_TERMINATOR 0
+#define RB_ID_UART_SPEED 1
+#define RB_ID_BOOT_DELAY 2
+#define RB_ID_BOOT_DEVICE 3
+#define RB_ID_BOOT_KEY 4
+#define RB_ID_CPU_MODE 5
+#define RB_ID_FW_VERSION 6
+#define RB_ID_SOFT_07 7
+#define RB_ID_SOFT_08 8
+#define RB_ID_BOOT_PROTOCOL 9
+#define RB_ID_SOFT_10 10
+#define RB_ID_SOFT_11 11
+#define RB_ID_BOOTER 13
+
+#define RB_UART_SPEED_115200 0
+#define RB_UART_SPEED_57600 1
+#define RB_UART_SPEED_38400 2
+#define RB_UART_SPEED_19200 3
+#define RB_UART_SPEED_9600 4
+#define RB_UART_SPEED_4800 5
+#define RB_UART_SPEED_2400 6
+#define RB_UART_SPEED_1200 7
+#define RB_UART_SPEED_OFF 8
+
+#define RB_BOOT_DELAY_1SEC 1
+#define RB_BOOT_DELAY_2SEC 2
+#define RB_BOOT_DELAY_3SEC 3
+#define RB_BOOT_DELAY_4SEC 4
+#define RB_BOOT_DELAY_5SEC 5
+#define RB_BOOT_DELAY_6SEC 6
+#define RB_BOOT_DELAY_7SEC 7
+#define RB_BOOT_DELAY_8SEC 8
+#define RB_BOOT_DELAY_9SEC 9
+
+#define RB_BOOT_DEVICE_ETHER 0
+#define RB_BOOT_DEVICE_NANDETH 1
+#define RB_BOOT_DEVICE_CFCARD 2
+#define RB_BOOT_DEVICE_ETHONCE 3
+#define RB_BOOT_DEVICE_NANDONLY 5
+
+#define RB_BOOT_KEY_ANY 0
+#define RB_BOOT_KEY_DEL 1
+
+#define RB_CPU_MODE_POWERSAVE 0
+#define RB_CPU_MODE_REGULAR 1
+
+#define RB_BOOT_PROTOCOL_BOOTP 0
+#define RB_BOOT_PROTOCOL_DHCP 1
+
+#define RB_BOOTER_REGULAR 0
+#define RB_BOOTER_BACKUP 1
+
+#endif /* _RBCFG_H */