Wu Zhangjin | c853d94 | 2010-06-02 16:35:24 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 "Wu Zhangjin" <wuzhangjin@gmail.com> |
| 3 | * |
Ralf Baechle | 7034228 | 2013-01-22 12:59:30 +0100 | [diff] [blame^] | 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License as published by the |
Wu Zhangjin | c853d94 | 2010-06-02 16:35:24 +0800 | [diff] [blame] | 6 | * Free Software Foundation; either version 2 of the License, or (at your |
| 7 | * option) any later version. |
| 8 | */ |
| 9 | |
| 10 | #include <sys/types.h> |
| 11 | #include <sys/stat.h> |
| 12 | #include <errno.h> |
| 13 | #include <stdint.h> |
| 14 | #include <stdio.h> |
| 15 | #include <stdlib.h> |
| 16 | |
| 17 | int main(int argc, char *argv[]) |
| 18 | { |
Ralf Baechle | 893d20f | 2011-04-13 21:49:54 +0200 | [diff] [blame] | 19 | unsigned long long vmlinux_size, vmlinux_load_addr, vmlinuz_load_addr; |
Wu Zhangjin | c853d94 | 2010-06-02 16:35:24 +0800 | [diff] [blame] | 20 | struct stat sb; |
Wu Zhangjin | c853d94 | 2010-06-02 16:35:24 +0800 | [diff] [blame] | 21 | |
| 22 | if (argc != 3) { |
| 23 | fprintf(stderr, "Usage: %s <pathname> <vmlinux_load_addr>\n", |
| 24 | argv[0]); |
| 25 | return EXIT_FAILURE; |
| 26 | } |
| 27 | |
| 28 | if (stat(argv[1], &sb) == -1) { |
| 29 | perror("stat"); |
| 30 | return EXIT_FAILURE; |
| 31 | } |
| 32 | |
| 33 | /* Convert hex characters to dec number */ |
| 34 | errno = 0; |
| 35 | if (sscanf(argv[2], "%llx", &vmlinux_load_addr) != 1) { |
| 36 | if (errno != 0) |
| 37 | perror("sscanf"); |
| 38 | else |
| 39 | fprintf(stderr, "No matching characters\n"); |
| 40 | |
| 41 | return EXIT_FAILURE; |
| 42 | } |
| 43 | |
| 44 | vmlinux_size = (uint64_t)sb.st_size; |
| 45 | vmlinuz_load_addr = vmlinux_load_addr + vmlinux_size; |
| 46 | |
| 47 | /* |
| 48 | * Align with 16 bytes: "greater than that used for any standard data |
| 49 | * types by a MIPS compiler." -- See MIPS Run Linux (Second Edition). |
| 50 | */ |
| 51 | |
| 52 | vmlinuz_load_addr += (16 - vmlinux_size % 16); |
| 53 | |
| 54 | printf("0x%llx\n", vmlinuz_load_addr); |
| 55 | |
| 56 | return EXIT_SUCCESS; |
| 57 | } |