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/*
 * mgmt-fpga.h
 * -----------
 * Management FPGA related code.
 *
 * Copyright (c) 2016, NORDUnet A/S All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of the NORDUnet nor the names of its contributors may
 *   be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __STM32_CLI_MGMT_FPGA_H
#define __STM32_CLI_MGMT_FPGA_H

#include <libcli.h>


/* The chunk size have to be a multiple of the SPI flash page size (256 bytes),
   and it has to match the chunk size in the program sending the bitstream over the UART.
*/
#define BITSTREAM_UPLOAD_CHUNK_SIZE 4096


extern void configure_cli_fpga(struct cli_def *cli);

#endif /* __STM32_CLI_MGMT_FPGA_H */
CT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * NOTE: This just exercises the interface to the TRNG cores, and displays * a few words of random data. It does not attempt to analyse the quality * of the data; for that, use something like dieharder. */ #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <string.h> #include <assert.h> #include <sys/time.h> #include <hal.h> #include <verilog_constants.h> #ifndef WAIT_FOR_CSPRNG_VALID #define WAIT_FOR_CSPRNG_VALID 1 #endif static void show_core(const hal_core_t *core, const char *whinge) { const hal_core_info_t *core_info = hal_core_info(core); if (core_info != NULL) printf("\"%8.8s\" \"%4.4s\"\n", core_info->name, core_info->version); else if (whinge != NULL) printf("%s core not present\n", whinge); } static hal_error_t test_random(const char *name) { const hal_core_t *core; hal_error_t err; uint32_t rnd; int i; core = hal_core_find(name, NULL); show_core(core, name); if (core == NULL) return HAL_ERROR_CORE_NOT_FOUND; for (i = 0; i < 8; ++i) { if (WAIT_FOR_CSPRNG_VALID && (err = hal_io_wait_valid(core)) != HAL_OK) { printf("hal_io_wait_valid: %s\n", hal_error_string(err)); return err; } /* We use symbol CSPRNG_ADDR_RANDOM here, but the entropy sources * present their data on the same register number. */ if ((err = hal_io_read(core, CSPRNG_ADDR_RANDOM, (uint8_t *) &rnd, sizeof(rnd))) != HAL_OK) { printf("hal_io_read: %s\n", hal_error_string(err)); return err; } printf("%08lx ", (unsigned long) rnd); } printf("\n"); return HAL_OK; } int main(void) { hal_error_t err; uint32_t rnd[8]; int i; /* Exercise the API function. This gets random data from the CSPRNG, * so we end up hitting that twice. */ printf("hal_get_random\n"); if ((err = hal_get_random(NULL, (void *) &rnd, sizeof(rnd))) != HAL_OK) { printf("hal_get_random: %s\n", hal_error_string(err)); } else { for (i = 0; i < 8; ++i) { printf("%08lx ", (unsigned long) rnd[i]); } printf("\n"); } return test_random(AVALANCHE_ENTROPY_NAME) || test_random(ROSC_ENTROPY_NAME) || test_random(CSPRNG_NAME); }