+++ /dev/null
-//==========================================================================
-//
-// 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);
-}
-
-
+++ /dev/null
-/*
- * RouterBOOT configuration utility
- *
- * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2017 Thibaut VARENE <varenet@parisc-linux.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 RB_ERR_NOTWANTED 5
-
-#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[]);
-};
-
-struct rbcfg_soc {
- const char *needle;
- const int type;
-};
-
-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),
- CFG_U32("flash", "boot in flash configuration mode",
- RB_BOOT_DEVICE_FLASHCFG),
- CFG_U32("flashnand", "boot in flash configuration mode once, then NAND",
- RB_BOOT_DEVICE_FLSHONCE),
-};
-
-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_cpu_freq_dummy[] = {
-};
-
-static const struct rbcfg_value rbcfg_cpu_freq_qca953x[] = {
- CFG_U32("-2", "-100MHz", RB_CPU_FREQ_L2),
- CFG_U32("-1", "- 50MHz", RB_CPU_FREQ_L1),
- CFG_U32("0", "Factory", RB_CPU_FREQ_N0),
- CFG_U32("+1", "+ 50MHz", RB_CPU_FREQ_H1),
- CFG_U32("+2", "+100MHz", RB_CPU_FREQ_H2),
-};
-
-static const struct rbcfg_value rbcfg_cpu_freq_ar9344[] = {
- CFG_U32("-2", "-100MHz", RB_CPU_FREQ_L2),
- CFG_U32("-1", "- 50MHz", RB_CPU_FREQ_L1),
- CFG_U32("0", "Factory", RB_CPU_FREQ_N0),
- CFG_U32("+1", "+ 50MHz", RB_CPU_FREQ_H1),
- CFG_U32("+2", "+100MHz", RB_CPU_FREQ_H2),
- CFG_U32("+3", "+150MHz", RB_CPU_FREQ_H3),
-};
-
-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 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 = "cpu_freq",
- .id = RB_ID_CPU_FREQ,
- .type = RBCFG_ENV_TYPE_U32,
- .values = rbcfg_cpu_freq_dummy,
- .num_values = ARRAY_SIZE(rbcfg_cpu_freq_dummy),
- }, {
- .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) {
- ret = RB_ERR_NOTWANTED;
- break;
- }
-
- if (buflen < len)
- break;
-
- if (id == tag_id) {
- *tag_len = len;
- *tag_data = buf;
- ret = 0;
- break;
- }
-
- buf += len;
- buflen -= len;
- }
-
- if (RB_ERR_NOTFOUND == 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, 0640);
- 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), "%s", 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");
-}
-
-#define RBCFG_SOC_UNKNOWN 0
-#define RBCFG_SOC_QCA953X 1
-#define RBCFG_SOC_AR9344 2
-
-static const struct rbcfg_soc rbcfg_socs[] = {
- {
- .needle = "QCA953",
- .type = RBCFG_SOC_QCA953X,
- }, {
- .needle = "AR9344",
- .type = RBCFG_SOC_AR9344,
- },
-};
-
-#define CPUINFO_BUFSIZE 128 /* lines of interest are < 80 chars */
-
-static int cpuinfo_find_soc(void)
-{
- FILE *fp;
- char temp[CPUINFO_BUFSIZE];
- char *haystack, *needle;
- int i, found = 0, soc_type = RBCFG_SOC_UNKNOWN;
-
- fp = fopen("/proc/cpuinfo", "r");
- if (!fp)
- goto end;
-
- /* first, extract the system type line */
- needle = "system type";
- while(fgets(temp, CPUINFO_BUFSIZE, fp)) {
- if (!strncmp(temp, needle, strlen(needle))) {
- found = 1;
- break;
- }
- }
-
- fclose(fp);
-
- /* failsafe in case cpuinfo format changes */
- if (!found)
- goto end;
-
- /* skip the field header */
- haystack = strchr(temp, ':');
-
- /* then, try to identify known SoC, stop at first match */
- for (i = 0; i < ARRAY_SIZE(rbcfg_socs); i++) {
- if ((strstr(haystack, rbcfg_socs[i].needle))) {
- soc_type = rbcfg_socs[i].type;
- break;
- }
- }
-
-end:
- return soc_type;
-}
-
-static void fixup_rbcfg_envs(void)
-{
- int i, num_val, soc_type;
- const struct rbcfg_value * env_value;
-
- /* detect SoC */
- soc_type = cpuinfo_find_soc();
-
- /* update rbcfg_envs */
- switch (soc_type) {
- case RBCFG_SOC_QCA953X:
- env_value = rbcfg_cpu_freq_qca953x;
- num_val = ARRAY_SIZE(rbcfg_cpu_freq_qca953x);
- break;
- case RBCFG_SOC_AR9344:
- env_value = rbcfg_cpu_freq_ar9344;
- num_val = ARRAY_SIZE(rbcfg_cpu_freq_ar9344);
- break;
- }
-
- for (i = 0; i < ARRAY_SIZE(rbcfg_envs); i++) {
- if (RB_ID_CPU_FREQ == rbcfg_envs[i].id) {
- if (RBCFG_SOC_UNKNOWN == soc_type)
- rbcfg_envs[i].id = RB_ID_TERMINATOR;
- else {
- rbcfg_envs[i].values = env_value;
- rbcfg_envs[i].num_values = num_val;
- }
- break;
- }
- }
-}
-
-int main(int argc, const char *argv[])
-{
- const struct rbcfg_command *cmd = NULL;
- int ret;
- int i;
-
- rbcfg_name = (char *) argv[0];
-
- fixup_rbcfg_envs();
-
- 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;
-}
projects / oweals / openwrt.git / commitdiff