~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c

Version: ~ [ linux-5.12-rc1 ] ~ [ linux-5.11.2 ] ~ [ linux-5.10.19 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.101 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.177 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.222 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.258 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.258 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Copyright (C) 2010 "Wu Zhangjin" <wuzhangjin@gmail.com>
  3  *
  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
  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 #include "../../../../include/linux/sizes.h"
 17 
 18 int main(int argc, char *argv[])
 19 {
 20         unsigned long long vmlinux_size, vmlinux_load_addr, vmlinuz_load_addr;
 21         struct stat sb;
 22 
 23         if (argc != 3) {
 24                 fprintf(stderr, "Usage: %s <pathname> <vmlinux_load_addr>\n",
 25                                 argv[0]);
 26                 return EXIT_FAILURE;
 27         }
 28 
 29         if (stat(argv[1], &sb) == -1) {
 30                 perror("stat");
 31                 return EXIT_FAILURE;
 32         }
 33 
 34         /* Convert hex characters to dec number */
 35         errno = 0;
 36         if (sscanf(argv[2], "%llx", &vmlinux_load_addr) != 1) {
 37                 if (errno != 0)
 38                         perror("sscanf");
 39                 else
 40                         fprintf(stderr, "No matching characters\n");
 41 
 42                 return EXIT_FAILURE;
 43         }
 44 
 45         vmlinux_size = (uint64_t)sb.st_size;
 46         vmlinuz_load_addr = vmlinux_load_addr + vmlinux_size;
 47 
 48         /*
 49          * Align with 64KB: KEXEC needs load sections to be aligned to PAGE_SIZE,
 50          * which may be as large as 64KB depending on the kernel configuration.
 51          */
 52 
 53         vmlinuz_load_addr += (SZ_64K - vmlinux_size % SZ_64K);
 54 
 55         printf("0x%llx\n", vmlinuz_load_addr);
 56 
 57         return EXIT_SUCCESS;
 58 }
 59 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp