mirror of https://github.com/hak5/openwrt.git
136 lines
2.7 KiB
C
136 lines
2.7 KiB
C
/*
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* ubparams.c
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*
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* Generate a u-boot parameter block with correct crc
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*
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* (C) 1007 Guthrie Consulting
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* hamish@prodigi.ch
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef __ASSEMBLY__
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#define __ASSEMBLY__
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#endif
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#define __ASM_STUB_PROCESSOR_H__
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#include <config.h>
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#undef __ASSEMBLY__
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#include <environment.h>
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#define XMK_STR(x) #x
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#define MK_STR(x) XMK_STR(x)
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extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
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#if !defined(ENV_CRC)
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#define ENV_CRC ~0
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#endif
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#ifdef LAN_IP
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#warning LAN_IP
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#else
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#warning LAN_IP NOT DEFINED
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#endif
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#ifdef LAN_SERVERIP
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#warning LAN_SERVERIP
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#else
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#warning LAN_SERVERIP NOT DEFINED
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#endif
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static char *environment[] = {
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"bootdelay=3\0"
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"baudrate=115200\0"
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"stdin=serial\0"
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"stdout=serial\0"
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"stderr=serial\0"
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"fbargs=setenv bootargs root=/dev/mtdblock3 ro console=/dev/ttyS0,115200,mem=32M\0"
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"rdba=setenv bootargs root=/dev/ram rw initrd=0x21200000,6000000 ramdisk_size=20000 console=/dev/ttyS0,115200,mem=32M\0"
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"rdram=run rdba; tftp 21000000 uImage; tftp 21200000 root.squashfs; bootm 21000000\0"
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"flash=run fbargs; bootm 0xc0042000\0"
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"bootargs=setenv bootargs root=/dev/mtdblock3 ro console=/dev/ttyS0,115200,mem=32M\0"
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"bootcmd=bootm 0xc0042000\0"
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"ipaddr=" MK_STR(LAN_IP) "\0"
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"serverip=" MK_STR(LAN_SERVERIP) "\0"
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"\0"
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};
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int main(int argc, char *argv[]) {
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env_t *envptr;
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char *src, *srcptr;
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char *dataptr;
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FILE *params;
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int argfail = 1;
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char newmac[30];
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char newser[30];
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int paramlen = 0;
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int progmac = 0;
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int progser = 0;
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if (argc < 3) {
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printf ("Invalid arguments\n");
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return 1;
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}
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switch (argc) {
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case 5:
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if (strcmp(argv[3], "--serial") == 0) {
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argfail = 0;
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sprintf(newser, "serial#=%s", argv[4]);
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progser = 1;
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}
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case 3:
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if (strcmp(argv[1], "--mac") == 0) {
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argfail = 0;
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sprintf(newmac, "ethaddr=%s", argv[2]);
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progmac = 1;
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}
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else
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argfail = 1;
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}
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if (argfail) {
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printf("Invalid arguments\n");
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return 1;
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}
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src = srcptr = *environment;
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envptr = (env_t *)malloc(CFG_ENV_SIZE);
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dataptr = (char *)envptr + ENV_HEADER_SIZE;
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while(*srcptr) {
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//printf("%d, %s\n", strlen(srcptr), srcptr);
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paramlen += strlen(srcptr) + 1;
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srcptr += strlen(srcptr) + 1;
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}
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printf("Make u-boot params\n");
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printf("Params size is %d\n", CFG_ENV_SIZE);
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memset(envptr, 0, CFG_ENV_SIZE);
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memcpy(dataptr, src, paramlen);
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dataptr += paramlen;
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if (progmac) {
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memcpy(dataptr, newmac, strlen(newmac));
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dataptr += strlen(newmac) + 1;
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}
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if (progser) {
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memcpy(dataptr, newser, strlen(newser));
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dataptr += strlen(newser) + 1;
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}
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envptr->crc = crc32(0, envptr->data, ENV_SIZE);
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params = fopen("/dev/mtd1", "w");
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fwrite(envptr, CFG_ENV_SIZE, 1, params);
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fclose(params);
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free(envptr);
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return 0;
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}
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