diff options
Diffstat (limited to 'contrib/syslinux/latest/com32/modules/linux.c')
| -rw-r--r-- | contrib/syslinux/latest/com32/modules/linux.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/contrib/syslinux/latest/com32/modules/linux.c b/contrib/syslinux/latest/com32/modules/linux.c deleted file mode 100644 index b902ebc..0000000 --- a/contrib/syslinux/latest/com32/modules/linux.c +++ /dev/null @@ -1,216 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2007-2008 H. Peter Anvin - All Rights Reserved - * Copyright 2009 Intel Corporation; author: H. Peter Anvin - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom - * the Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall - * be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * ----------------------------------------------------------------------- */ - -/* - * linux.c - * - * Sample module to load Linux kernels. This module can also create - * a file out of the DHCP return data if running under PXELINUX. - * - * If -dhcpinfo is specified, the DHCP info is written into the file - * /dhcpinfo.dat in the initramfs. - * - * Usage: linux.c32 [-dhcpinfo] kernel arguments... - */ - -#include <stdbool.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <console.h> -#include <syslinux/loadfile.h> -#include <syslinux/linux.h> -#include <syslinux/pxe.h> - -const char *progname = "linux.c32"; - -/* Find the last instance of a particular command line argument - (which should include the final =; do not use for boolean arguments) */ -static char *find_argument(char **argv, const char *argument) -{ - int la = strlen(argument); - char **arg; - char *ptr = NULL; - - for (arg = argv; *arg; arg++) { - if (!memcmp(*arg, argument, la)) - ptr = *arg + la; - } - - return ptr; -} - -/* Search for a boolean argument; return its position, or 0 if not present */ -static int find_boolean(char **argv, const char *argument) -{ - char **arg; - - for (arg = argv; *arg; arg++) { - if (!strcmp(*arg, argument)) - return (arg - argv) + 1; - } - - return 0; -} - -/* Stitch together the command line from a set of argv's */ -static char *make_cmdline(char **argv) -{ - char **arg; - size_t bytes; - char *cmdline, *p; - - bytes = 1; /* Just in case we have a zero-entry cmdline */ - for (arg = argv; *arg; arg++) { - bytes += strlen(*arg) + 1; - } - - p = cmdline = malloc(bytes); - if (!cmdline) - return NULL; - - for (arg = argv; *arg; arg++) { - int len = strlen(*arg); - memcpy(p, *arg, len); - p[len] = ' '; - p += len + 1; - } - - if (p > cmdline) - p--; /* Remove the last space */ - *p = '\0'; - - return cmdline; -} - -int main(int argc, char *argv[]) -{ - const char *kernel_name; - struct initramfs *initramfs; - char *cmdline; - char *boot_image; - void *kernel_data; - size_t kernel_len; - bool opt_dhcpinfo = false; - bool opt_quiet = false; - void *dhcpdata; - size_t dhcplen; - char **argp, *arg, *p; - - openconsole(&dev_null_r, &dev_stdcon_w); - - (void)argc; - argp = argv + 1; - - while ((arg = *argp) && arg[0] == '-') { - if (!strcmp("-dhcpinfo", arg)) { - opt_dhcpinfo = true; - } else { - fprintf(stderr, "%s: unknown option: %s\n", progname, arg); - return 1; - } - argp++; - } - - if (!arg) { - fprintf(stderr, "%s: missing kernel name\n", progname); - return 1; - } - - kernel_name = arg; - - boot_image = malloc(strlen(kernel_name) + 12); - if (!boot_image) - goto bail; - strcpy(boot_image, "BOOT_IMAGE="); - strcpy(boot_image + 11, kernel_name); - /* argp now points to the kernel name, and the command line follows. - Overwrite the kernel name with the BOOT_IMAGE= argument, and thus - we have the final argument. */ - *argp = boot_image; - - if (find_boolean(argp, "quiet")) - opt_quiet = true; - - if (!opt_quiet) - printf("Loading %s... ", kernel_name); - if (loadfile(kernel_name, &kernel_data, &kernel_len)) { - if (opt_quiet) - printf("Loading %s ", kernel_name); - printf("failed!\n"); - goto bail; - } - if (!opt_quiet) - printf("ok\n"); - - cmdline = make_cmdline(argp); - if (!cmdline) - goto bail; - - /* Initialize the initramfs chain */ - initramfs = initramfs_init(); - if (!initramfs) - goto bail; - - if ((arg = find_argument(argp, "initrd="))) { - do { - p = strchr(arg, ','); - if (p) - *p = '\0'; - - if (!opt_quiet) - printf("Loading %s... ", arg); - if (initramfs_load_archive(initramfs, arg)) { - if (opt_quiet) - printf("Loading %s ", kernel_name); - printf("failed!\n"); - goto bail; - } - if (!opt_quiet) - printf("ok\n"); - - if (p) - *p++ = ','; - } while ((arg = p)); - } - - /* Append the DHCP info */ - if (opt_dhcpinfo && - !pxe_get_cached_info(PXENV_PACKET_TYPE_DHCP_ACK, &dhcpdata, &dhcplen)) { - if (initramfs_add_file(initramfs, dhcpdata, dhcplen, dhcplen, - "/dhcpinfo.dat", 0, 0755)) - goto bail; - } - - /* This should not return... */ - syslinux_boot_linux(kernel_data, kernel_len, initramfs, cmdline); - -bail: - fprintf(stderr, "Kernel load failure (insufficient memory?)\n"); - return 1; -} |