FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/pirmagnetite.c @ 921:74d284add54d
fc-fsio: guard against bogus readdir results from the target
If the FFS being operated on contains SE K2x0 extended filenames,
readdir will return strings that are bad for printing. We need to
guard against this possibility, and also against possible other
bogosity that could be sent by other alien firmwares.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 31 Dec 2022 22:55:23 +0000 |
parents | 8136fb5eb292 |
children |
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/* * This pirelli-magnetite-init special command should ONLY be run * against FreeCalypso Magnetite firmware running on the Pirelli target. * It initializes the FFS for FC Magnetite (essentially TCS211) * appropriately for the Pirelli target, copying the IMEI and the * RF calibration values from Pirelli's factory data block. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "etm.h" #include "ffs.h" #include "tmffs2.h" #include "localtypes.h" #include "exitcodes.h" extern u_char pirelli_imeisv[8]; static write_pcm_imei() { static char destfile[] = "/pcm/IMEI"; u_char swapped[8]; int i, d1, d2; printf("Writing %s\n", destfile); for (i = 0; i < 8; i++) { d1 = pirelli_imeisv[i] >> 4; d2 = pirelli_imeisv[i] & 0xF; swapped[i] = (d2 << 4) | d1; } return do_short_fwrite(destfile, swapped, 8); } static read_mem_region(memaddr, databuf, total_bytes) u32 memaddr; u_char *databuf; { int chunk, remain, rc; for (remain = total_bytes; remain; remain -= chunk) { chunk = remain; if (chunk > MAX_MEMREAD_BYTES) chunk = MAX_MEMREAD_BYTES; rc = do_memory_read(memaddr, databuf, chunk); if (rc) return(rc); memaddr += chunk; databuf += chunk; } return(0); } static copy_calib_record(memaddr, pathname, size) u32 memaddr; char *pathname; int size; { u_char *buf; int rc; buf = malloc(size); if (!buf) { perror("malloc"); exit(ERROR_UNIX); } rc = read_mem_region(memaddr, buf, size); if (rc) { free(buf); return(rc); } rc = write_buf_to_file(pathname, buf, size); free(buf); return(rc); } static struct calmap { u32 offset; int size; char *ti_equiv; } pirelli_cal_map[] = { {0x0528, 2, "/gsm/rf/afcdac"}, {0x06E5, 36, "/sys/adccal"}, {0x072B, 512, "/gsm/rf/tx/ramps.900"}, {0x092C, 128, "/gsm/rf/tx/levels.900"}, {0x09AD, 128, "/gsm/rf/tx/calchan.900"}, {0x0A2E, 512, "/gsm/rf/tx/ramps.1800"}, {0x0C2F, 128, "/gsm/rf/tx/levels.1800"}, {0x0CB0, 128, "/gsm/rf/tx/calchan.1800"}, {0x0D31, 512, "/gsm/rf/tx/ramps.1900"}, {0x0F32, 128, "/gsm/rf/tx/levels.1900"}, {0x0FB3, 128, "/gsm/rf/tx/calchan.1900"}, {0x10AF, 40, "/gsm/rf/rx/calchan.900"}, {0x10D8, 8, "/gsm/rf/rx/agcparams.900"}, {0x10E1, 40, "/gsm/rf/rx/calchan.1800"}, {0x110A, 8, "/gsm/rf/rx/agcparams.1800"}, {0x1113, 40, "/gsm/rf/rx/calchan.1900"}, {0x113C, 8, "/gsm/rf/rx/agcparams.1900"}, {0, 0, 0} }; static copy_calib_data() { struct calmap *tp; int rc; printf("Copying calibration records to FFS\n"); for (tp = pirelli_cal_map; tp->size; tp++) { rc = copy_calib_record(0x027F0000 + tp->offset, tp->ti_equiv, tp->size); if (rc) return(rc); } return(0); } pirelli_magnetite_init() { int rc; rc = get_pirelli_imei(); if (rc) return(rc); printf("Creating TCS211 file system directories\n"); rc = create_std_dirs(); if (rc) return(rc); rc = write_pcm_imei(); if (rc) return(rc); rc = copy_calib_data(); if (rc) return(rc); return set_rfcap("tri900"); }