Modify geninitrdsz.c to generate a patch file containing the load address and size of the initrd.img image. Used for booting on an LPAR using the generic.ins file. --- utils/geninitrdsz.c | 67 +++++++++++++++++++++++++++++++++++---------------- 1 files changed, 46 insertions(+), 21 deletions(-) diff --git a/utils/geninitrdsz.c b/utils/geninitrdsz.c index 6dfd976..701ebcd 100644 --- a/utils/geninitrdsz.c +++ b/utils/geninitrdsz.c @@ -1,11 +1,12 @@ /* - * geninitrdsz.c - * Generate initrd.size file for zSeries platforms. + * addrsize.c + * Generate initrd.addrsize file for s390x platforms. * Takes an integer argument and writes out the binary representation of - * that value to the initrd.size file. + * that value to the initrd.addrsize file. * https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197773 + * https://bugzilla.redhat.com/show_bug.cgi?id=546422 * - * Copyright (C) 2007 Red Hat, Inc. All rights reserved. + * Copyright (C) 2007-2010 Red Hat, Inc. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -33,30 +34,54 @@ #include <string.h> int main(int argc,char **argv) { - unsigned int zero = 0; - int fd; - unsigned int size; - mode_t mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH; - - if (argc != 3) { - printf("Usage: %s [integer size] [output file]\n", basename(argv[0])); - printf("Example: %s 12288475 initrd.size\n", basename(argv[0])); - return 0; + char *cmd = basename(argv[0]); + char *address = NULL, *input = NULL, *output = NULL; + struct stat initrd_stat; + unsigned int addr = 0, size = 0, zero = 0; + int fd, rc; + char *tmp = NULL; + + if (argc != 4) { + printf("Generate initrd address and size file used by the .ins LPAR load mechanism\n"); + printf("Usage: %s [address] [initrd] [output file]\n", cmd); + printf("Example: %s 0x02000000 initrd.img initrd.addrsize\n", cmd); + return 1; } - size = htonl(atoi(argv[1])); - fd = open(argv[2], O_CREAT | O_RDWR, mode); + address = argv[1]; + input = argv[2]; + output = argv[3]; + + rc = stat(input, &initrd_stat); + if (rc) { + perror("Error getting initrd stats "); + return 2; + } + + addr = htonl(strtoul(address, &tmp, 0)); + size = htonl(initrd_stat.st_size); + fd = open(output, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR); + + if (write(fd, &zero, sizeof(int)) == -1) { + perror("writing initrd.addr (zero) "); + return 3; + } + + if (write(fd, &addr, sizeof(int)) == -1) { + perror("writing initrd.addr (zero) "); + return 4; + } if (write(fd, &zero, sizeof(int)) == -1) { - perror("writing initrd.size (zero)"); - return errno; + perror("writing initrd.addr (zero) "); + return 5; } - if (write(fd, &size, sizeof(int)) == -1) { - perror("writing initrd.size (size)"); - return errno; + if (write(fd, &addr, sizeof(int)) == -1) { + perror("writing initrd.addr (zero) "); + return 6; } close(fd); - return 0; + return EXIT_SUCCESS; } -- 1.6.6.1 _______________________________________________ Anaconda-devel-list mailing list Anaconda-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/anaconda-devel-list
