예제 #1
0
void *kdump_core_header_init(const struct mrdump_control_block *kparams, uint64_t kmem_address, uint64_t kmem_size)
{
    voprintf_info("kernel page offset %llu\n", kparams->machdesc.page_offset);
    if (kparams->machdesc.page_offset <= 0xffffffffULL) {
	voprintf_info("32b kernel detected\n");
        return kdump_core32_header_init(kparams, kmem_address, kmem_size);
    }
    else {
	voprintf_info("64b kernel detected\n");
        return kdump_core64_header_init(kparams, kmem_address, kmem_size);
    }
}
예제 #2
0
part_t *card_dump_init(int dev, const char *part_name)
{
    part_t *part = mt_part_get_partition((char *)part_name);
    if (part == NULL) {
        return NULL;
    }
#ifdef MTK_GPT_SCHEME_SUPPORT
    voprintf_info("%s offset: %lu, size: %lu Mb\n", part->info->name, part->start_sect, (part->nr_sects * BLK_SIZE) / 0x100000UL);
#else
    voprintf_info("%s offset: %lu, size: %lu Mb\n", part->name, part->startblk, (part->blknum * BLK_SIZE) / 0x100000UL);
#endif

    return part;
}
예제 #3
0
static void kdump_ui(struct mrdump_control_block *mrdump_cblock)
{
    video_clean_screen();
    video_set_cursor(0, 0);

    mrdump_status_error("Unknown error\n");
    voprintf_info("Kdump triggerd by '%s'\n", mrdump_mode2string(mrdump_cblock->crash_record.reboot_mode));

    struct aee_timer elapse_time;
    aee_timer_init(&elapse_time);

    uint32_t total_dump_size = memory_size();
    
    aee_timer_start(&elapse_time);
    switch (mrdump_cblock->machdesc.output_device) {
    case MRDUMP_DEV_NULL:
        kdump_null_output(mrdump_cblock, total_dump_size);
        break;
#if 0
    case MRDUMP_DEV_SDCARD:
        kdump_sdcard_output(mrdump_cblock, total_dump_size);
        break;
#endif
    case MRDUMP_DEV_EMMC:
        kdump_emmc_output(mrdump_cblock, total_dump_size);
        break;

    default:
        voprintf_error("Unknown device id %d\n", mrdump_cblock->machdesc.output_device);
    }

    aee_timer_stop(&elapse_time);
    
    voprintf_info("Reset count down %d ...\n", MRDUMP_DELAY_TIME);
    mtk_wdt_restart();

    int timeout = MRDUMP_DELAY_TIME;
    while(timeout-- >= 0) {
        mdelay(1000);
        mtk_wdt_restart();
	voprintf_info("\rsec %d", timeout);
    }
    aee_mrdump_flush_cblock();

    video_clean_screen();
    video_set_cursor(0, 0);
}
예제 #4
0
int kdump_null_output(const struct mrdump_control_block *mrdump_cb, uint32_t total_dump_size)
{
    const struct mrdump_machdesc *kparams = &mrdump_cb->machdesc;
  
    voprintf_info("null dumping(address %x, size:%dM)\n", kparams->phys_offset, total_dump_size / 0x100000UL);
    mtk_wdt_restart();

    bool ok = true;
    void *bufp = kdump_core_header_init(mrdump_cb, (uint32_t)kparams->phys_offset, total_dump_size);
    if (bufp != NULL) {
        mtk_wdt_restart();
        struct kzip_file *zf = kzip_open(NULL, null_write_cb);
        if (zf != NULL) {
            struct kzip_memlist memlist[3];
            memlist[0].address = bufp;
            memlist[0].size = KDUMP_CORE_SIZE;
            memlist[1].address = kparams->phys_offset;
            memlist[1].size = total_dump_size;
            memlist[2].address = NULL;
            memlist[2].size = 0;
            kzip_add_file(zf, memlist, "SYS_COREDUMP");
            kzip_close(zf);
            zf = NULL;
            }
        else {
            ok = false;
        }
        free(bufp);
    }
    
    mtk_wdt_restart();
    if (ok) {
        voprintf_info("%s: dump finished, dumped.\n", __func__);
        mrdump_status_ok("NULL-OUTPUT\n");
    }
    return 0;
}
예제 #5
0
static int kzip_write_current(struct kzip_file *zfile, void *buf, int len)
{
    KZIP_DEBUG("%s: write_cb %p len %d\n", __func__, zfile->write_cb, len);
    int retval = zfile->write_cb(zfile->handle, buf, len);
    if (retval > 0) {
	zfile->current_size += retval;
    }
    if ((zfile->current_size - zfile->reported_size) >= KDUMP_SIZE_REPORT) {
        voprintf_info(".. Written %dM\n", zfile->current_size / 0x100000);
        zfile->reported_size = zfile->current_size;
    }
    if ((zfile->current_size - zfile->wdk_kick_size) >= KDUMP_TICK_WDT) {
        mtk_wdt_restart();
        zfile->wdk_kick_size = zfile->current_size;
    }
    return retval;
}
예제 #6
0
bool kzip_add_file(struct kzip_file *zfile, const struct kzip_memlist *memlist, const char *zfilename)
{
    int ret, flush;
    z_stream strm;
    struct aee_timer zip_time;

    if (zfile->entries_num >= KZIP_ENTRY_MAX) {
	voprintf_error("Too manry zip entry %d\n", zfile->entries_num);
	return false;
    }

    voprintf_debug("%s: zf %p(%p) %s\n", __func__, zfile, zfile->write_cb, zfilename);
    struct kzip_entry *zentry = &zfile->zentries[zfile->entries_num++];
    zentry->filename = strdup(zfilename);
    zentry->localheader_offset = zfile->current_size;
    zentry->level = DEF_MEM_LEVEL;

    KZIP_DEBUG("%s: write local header\n", __func__);
    uint8_t zip_localheader[128];
    int hsize = put_localheader(zip_localheader, zfilename, DEF_MEM_LEVEL);
    if (kzip_write_current(zfile, zip_localheader, hsize) != hsize) {
        return false;
    }

    KZIP_DEBUG("%s: init compressor\n", __func__);
    /* allocate deflate state */
    strm.workspace = malloc(zlib_deflate_workspacesize(-MAX_WBITS, DEF_MEM_LEVEL));
    ret = zlib_deflateInit2(&strm, zentry->level, Z_DEFLATED, -MAX_WBITS,
			    DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
    if (ret != Z_OK) {
	voprintf_error("zlib compress init failed\n");
	free(strm.workspace);
        return false;
    }

    uint8_t *out = malloc(CHUNK);
 
    aee_timer_init(&zip_time);
    aee_timer_start(&zip_time);
    /* compress until end of file */
    do {
        flush = (memlist->size == 0) ? Z_FINISH : Z_NO_FLUSH;
 	
	KZIP_DEBUG("-- Compress memory %x, size %d\n", memlist->address, memlist->size);
	strm.avail_in = memlist->size;
        strm.next_in = memlist->address;
        /* run deflate() on input until output buffer not full, finish
           compression if all of source has been read in */
        do {
            strm.avail_out = CHUNK;
            strm.next_out = out;
            ret = zlib_deflate(&strm, flush);    /* no bad return value */
            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
            int have = CHUNK - strm.avail_out;
	    if (have > 0) {
                aee_timer_stop(&zip_time);
		if (kzip_write_current(zfile, out, have) != have) {
                    goto error;
		}
                aee_timer_start(&zip_time);
	    }
        } while (strm.avail_out == 0);
        assert(strm.avail_in == 0);     /* all input will be used */

	memlist++;
        /* done when last data in file processed */
    } while (flush != Z_FINISH);
    assert(ret == Z_STREAM_END);        /* stream will be complete */

    /* clean up and return */
    (void)zlib_deflateEnd(&strm);
    free(strm.workspace);
    free(out);
    aee_timer_stop(&zip_time);
    voprintf_info("Zip time: %d sec\n", zip_time.acc_ms / 1000);

    zentry->comp_size = strm.total_out;
    zentry->uncomp_size = strm.total_in;
    zentry->crc32 = strm.crc32 ^ 0xffffffffUL;

    return true;

 error:
    free(strm.workspace);
    free(out);
    (void)zlib_deflateEnd(&strm);
    return false;
}