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

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

Version: ~ [ linux-5.12-rc7 ] ~ [ linux-5.11.13 ] ~ [ linux-5.10.29 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.111 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.186 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.230 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.266 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.266 ] ~ [ 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 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  * Copyright (C) 2010 "Wu Zhangjin" <wuzhangjin@gmail.com>
  4  */
  5 
  6 #include <sys/types.h>
  7 #include <sys/stat.h>
  8 #include <errno.h>
  9 #include <stdint.h>
 10 #include <stdio.h>
 11 #include <stdlib.h>
 12 #include <linux/sizes.h>
 13 
 14 int main(int argc, char *argv[])
 15 {
 16         unsigned long long vmlinux_size, vmlinux_load_addr, vmlinuz_load_addr;
 17         struct stat sb;
 18 
 19         if (argc != 3) {
 20                 fprintf(stderr, "Usage: %s <pathname> <vmlinux_load_addr>\n",
 21                                 argv[0]);
 22                 return EXIT_FAILURE;
 23         }
 24 
 25         if (stat(argv[1], &sb) == -1) {
 26                 perror("stat");
 27                 return EXIT_FAILURE;
 28         }
 29 
 30         /* Convert hex characters to dec number */
 31         errno = 0;
 32         if (sscanf(argv[2], "%llx", &vmlinux_load_addr) != 1) {
 33                 if (errno != 0)
 34                         perror("sscanf");
 35                 else
 36                         fprintf(stderr, "No matching characters\n");
 37 
 38                 return EXIT_FAILURE;
 39         }
 40 
 41         vmlinux_size = (uint64_t)sb.st_size;
 42         vmlinuz_load_addr = vmlinux_load_addr + vmlinux_size;
 43 
 44         /*
 45          * Align with 64KB: KEXEC needs load sections to be aligned to PAGE_SIZE,
 46          * which may be as large as 64KB depending on the kernel configuration.
 47          */
 48 
 49         vmlinuz_load_addr += (SZ_64K - vmlinux_size % SZ_64K);
 50 
 51         printf("0x%llx\n", vmlinuz_load_addr);
 52 
 53         return EXIT_SUCCESS;
 54 }
 55 

~ [ 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