diff options
Diffstat (limited to 'meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/files/flash_stripe.c')
| -rw-r--r-- | meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/files/flash_stripe.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/files/flash_stripe.c b/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/files/flash_stripe.c deleted file mode 100644 index a9a6e76a5..000000000 --- a/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/files/flash_stripe.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Stripe a flash image across multiple files. - * - * Copyright (C) 2019 Xilinx, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <stdbool.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <string.h> - -/* N way (num) in place bit striper. Lay out row wise bits column wise - * (from element 0 to N-1). num is the length of x, and dir reverses the - * direction of the transform. be determines the bit endianess scheme. - * false to lay out bits LSB to MSB (little endian) and true for big endian. - * - * Best illustrated by examples: - * Each digit in the below array is a single bit (num == 3, be == false): - * - * {{ 76543210, } ----- stripe (dir == false) -----> {{ FCheb630, } - * { hgfedcba, } { GDAfc741, } - * { HGFEDCBA, }} <---- upstripe (dir == true) ----- { HEBgda52, }} - * - * Same but with be == true: - * - * {{ 76543210, } ----- stripe (dir == false) -----> {{ 741gdaFC, } - * { hgfedcba, } { 630fcHEB, } - * { HGFEDCBA, }} <---- upstripe (dir == true) ----- { 52hebGDA, }} - */ - -static inline void stripe8(uint8_t *x, int num, bool dir, bool be) -{ - uint8_t r[num]; - memset(r, 0, sizeof(uint8_t) * num); - int idx[2] = {0, 0}; - int bit[2] = {0, be ? 7 : 0}; - int d = dir; - - for (idx[0] = 0; idx[0] < num; ++idx[0]) { - for (bit[0] = be ? 7 : 0; bit[0] != (be ? -1 : 8); bit[0] += be ? -1 : 1) { - r[idx[!d]] |= x[idx[d]] & 1 << bit[d] ? 1 << bit[!d] : 0; - idx[1] = (idx[1] + 1) % num; - if (!idx[1]) { - bit[1] += be ? -1 : 1; - } - } - } - memcpy(x, r, sizeof(uint8_t) * num); -} - -int main (int argc, char *argv []) { -#ifdef UNSTRIPE - bool unstripe = true; -#else - bool unstripe = false; -#endif - -#ifdef FLASH_STRIPE_BE - bool be = true; -#else - bool be = false; -#endif - - int i; - - const char *exe_name = argv[0]; - argc--; - argv++; - - if (argc < 2) { - fprintf(stderr, "ERROR: %s requires at least two args\n", exe_name); - return 1; - } - - const char *single_f = argv[0]; - int single; - - if (unstripe) { - single = creat(single_f, 0644); - } else { - single = open(single_f, 0); - } - if (single == -1) { - perror(argv[0]); - return 1; - } - - argv++; - argc--; - - int multiple[argc]; - - for (i = 0; i < argc; ++i) { - if (unstripe) { - multiple[i] = open(argv[i], 0); - } else { - multiple[i] = creat(argv[i], 0644); - } - if (multiple[i] == -1) { - perror(argv[i]); - return 1; - } - } - - while (true) { - uint8_t buf[argc]; - for (i = 0; i < argc; ++i) { - switch (read(!unstripe ? single : multiple[ -#if defined(FLASH_STRIPE_BW) && defined (FLASH_STRIPE_BE) - argc - 1 - -#endif - i], &buf[i], 1)) { - case 0: - if (i == 0) { - goto done; - } else if (!unstripe) { - fprintf(stderr, "WARNING:input file %s is not multiple of " - "%d bytes, padding with garbage byte\n", single_f, - argc); - } - break; - case -1: - perror(unstripe ? argv[i] : single_f); - return 1; - } - } - -#ifndef FLASH_STRIPE_BW - stripe8(buf, argc, unstripe, be); -#endif - - for (i = 0; i < argc; ++i) { - switch (write(unstripe ? single : multiple[ -#if defined(FLASH_STRIPE_BW) && defined (FLASH_STRIPE_BE) - argc - 1 - -#endif - i], &buf[i], 1)) { - case -1: - perror(unstripe ? single_f : argv[i]); - return 1; - case 0: - i--; /* try again */ - } - } - } - -done: - close(single); - for (i = 0; i < argc; ++i) { - close(multiple[argc]); - } - return 0; -} |