diff options
Diffstat (limited to 'arch/mips/boot/addinitrd.c')
| -rw-r--r-- | arch/mips/boot/addinitrd.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/arch/mips/boot/addinitrd.c b/arch/mips/boot/addinitrd.c deleted file mode 100644 index b5b3febc10cc..000000000000 --- a/arch/mips/boot/addinitrd.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * addinitrd - program to add a initrd image to an ecoff kernel - * - * (C) 1999 Thomas Bogendoerfer - * minor modifications, cleanup: Guido Guenther <agx@sigxcpu.org> - * further cleanup: Maciej W. Rozycki - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <netinet/in.h> - -#include "ecoff.h" - -#define MIPS_PAGE_SIZE 4096 -#define MIPS_PAGE_MASK (MIPS_PAGE_SIZE-1) - -#define swab16(x) \ - ((unsigned short)( \ - (((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \ - (((unsigned short)(x) & (unsigned short)0xff00U) >> 8) )) - -#define swab32(x) \ - ((unsigned int)( \ - (((unsigned int)(x) & (unsigned int)0x000000ffUL) << 24) | \ - (((unsigned int)(x) & (unsigned int)0x0000ff00UL) << 8) | \ - (((unsigned int)(x) & (unsigned int)0x00ff0000UL) >> 8) | \ - (((unsigned int)(x) & (unsigned int)0xff000000UL) >> 24) )) - -#define SWAB(a) (swab ? swab32(a) : (a)) - -void die(char *s) -{ - perror(s); - exit(1); -} - -int main(int argc, char *argv[]) -{ - int fd_vmlinux, fd_initrd, fd_outfile; - FILHDR efile; - AOUTHDR eaout; - SCNHDR esecs[3]; - struct stat st; - char buf[1024]; - unsigned long loadaddr; - unsigned long initrd_header[2]; - int i, cnt; - int swab = 0; - - if (argc != 4) { - printf("Usage: %s <vmlinux> <initrd> <outfile>\n", argv[0]); - exit(1); - } - - if ((fd_vmlinux = open (argv[1], O_RDONLY)) < 0) - die("open vmlinux"); - if (read (fd_vmlinux, &efile, sizeof efile) != sizeof efile) - die("read file header"); - if (read (fd_vmlinux, &eaout, sizeof eaout) != sizeof eaout) - die("read aout header"); - if (read (fd_vmlinux, esecs, sizeof esecs) != sizeof esecs) - die("read section headers"); - /* - * check whether the file is good for us - */ - /* TBD */ - - /* - * check, if we have to swab words - */ - if (ntohs(0xaa55) == 0xaa55) { - if (efile.f_magic == swab16(MIPSELMAGIC)) - swab = 1; - } else { - if (efile.f_magic == swab16(MIPSEBMAGIC)) - swab = 1; - } - - /* make sure we have an empty data segment for the initrd */ - if (eaout.dsize || esecs[1].s_size) { - fprintf(stderr, "Data segment not empty. Giving up!\n"); - exit(1); - } - if ((fd_initrd = open (argv[2], O_RDONLY)) < 0) - die("open initrd"); - if (fstat (fd_initrd, &st) < 0) - die("fstat initrd"); - loadaddr = ((SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size) - + MIPS_PAGE_SIZE-1) & ~MIPS_PAGE_MASK) - 8; - if (loadaddr < (SWAB(esecs[2].s_vaddr) + SWAB(esecs[2].s_size))) - loadaddr += MIPS_PAGE_SIZE; - initrd_header[0] = SWAB(0x494E5244); - initrd_header[1] = SWAB(st.st_size); - eaout.dsize = esecs[1].s_size = initrd_header[1] = SWAB(st.st_size+8); - eaout.data_start = esecs[1].s_vaddr = esecs[1].s_paddr = SWAB(loadaddr); - - if ((fd_outfile = open (argv[3], O_RDWR|O_CREAT|O_TRUNC, 0666)) < 0) - die("open outfile"); - if (write (fd_outfile, &efile, sizeof efile) != sizeof efile) - die("write file header"); - if (write (fd_outfile, &eaout, sizeof eaout) != sizeof eaout) - die("write aout header"); - if (write (fd_outfile, esecs, sizeof esecs) != sizeof esecs) - die("write section headers"); - /* skip padding */ - if(lseek(fd_vmlinux, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1) - die("lseek vmlinux"); - if(lseek(fd_outfile, SWAB(esecs[0].s_scnptr), SEEK_SET) == (off_t)-1) - die("lseek outfile"); - /* copy text segment */ - cnt = SWAB(eaout.tsize); - while (cnt) { - if ((i = read (fd_vmlinux, buf, sizeof buf)) <= 0) - die("read vmlinux"); - if (write (fd_outfile, buf, i) != i) - die("write vmlinux"); - cnt -= i; - } - if (write (fd_outfile, initrd_header, sizeof initrd_header) != sizeof initrd_header) - die("write initrd header"); - while ((i = read (fd_initrd, buf, sizeof buf)) > 0) - if (write (fd_outfile, buf, i) != i) - die("write initrd"); - close(fd_vmlinux); - close(fd_initrd); - return 0; -} |