diff options
Diffstat (limited to 'contrib/syslinux/syslinux-4.03/com32/modules/ifcpu.c')
| -rw-r--r-- | contrib/syslinux/syslinux-4.03/com32/modules/ifcpu.c | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/modules/ifcpu.c b/contrib/syslinux/syslinux-4.03/com32/modules/ifcpu.c deleted file mode 100644 index a28acc4..0000000 --- a/contrib/syslinux/syslinux-4.03/com32/modules/ifcpu.c +++ /dev/null @@ -1,169 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2009 Erwan Velu - 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 - * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, - * Boston MA 02110-1301, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * ifcpu.c - * - */ - -#include <alloca.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <cpuid.h> -#include <unistd.h> -#include <syslinux/boot.h> -#include <com32.h> -#include <consoles.h> - -static inline void error(const char *msg) -{ - fputs(msg, stderr); -} - -static void usage(void) -{ - error("Run one command if system match some CPU features, another if it doesn't. \n" - "Usage: \n" - " label ifcpu \n" - " com32 ifcpu.c32 \n" - " append <option> <cpu_features> -- boot_entry_1 -- boot_entry_2 \n" - " label boot_entry_1 \n" - " kernel vmlinuz_entry1 \n" - " append ... \n" - " label boot_entry_2 \n" - " kernel vmlinuz_entry2 \n" - " append ... \n" - "\n" - "options could be :\n" - " debug : display some debugging messages \n" - " dry-run : just do the detection, don't boot \n" - "\n" - "cpu_features could be:\n" - " 64 : Processor is x86_64 compatible (lm cpu flag)\n" - " hvm : Processor features hardware virtualization (hvm or svm cpu flag)\n" - " multicore : Processor must be multi-core \n" - " smp : System must be multi-processor \n" - " pae : Processor features Physical Address Extension (PAE)\n" - "\n" - "if you want to match many cpu features, just separate them with a single space.\n"); -} - -/* XXX: this really should be librarized */ -static void boot_args(char **args) -{ - int len = 0, a = 0; - char **pp; - const char *p; - char c, *q, *str; - - for (pp = args; *pp; pp++) - len += strlen(*pp) + 1; - - q = str = alloca(len); - for (pp = args; *pp; pp++) { - p = *pp; - while ((c = *p++)) - *q++ = c; - *q++ = ' '; - a = 1; - } - q -= a; - *q = '\0'; - - if (!str[0]) - syslinux_run_default(); - else - syslinux_run_command(str); -} - -#define show_bool(mybool) mybool ? "found":"not found" - -int main(int argc, char *argv[]) -{ - char **args[3]; - int i=0; - int n=0; - bool hardware_matches = true; - bool multicore = false; - bool dryrun = false; - bool debug = false; - - s_cpu cpu; - console_ansi_raw(); - detect_cpu(&cpu); - - /* If no argument got passed, let's show the usage */ - if (argc == 1) { - usage(); - return -1; - } - - for (i = 1; i < argc; i++) { - if (!strcmp(argv[i], "--")) { - argv[i] = NULL; - args[n++] = &argv[i + 1]; - } else if (!strcmp(argv[i], "64")) { - if (debug) - printf(" 64bit : %s on this system\n", - show_bool(cpu.flags.lm)); - hardware_matches = cpu.flags.lm && hardware_matches; - } else if (!strcmp(argv[i], "pae")) { - if (debug) - printf(" pae : %s on this system\n", - show_bool(cpu.flags.pae)); - hardware_matches = cpu.flags.pae && hardware_matches; - } else if (!strcmp(argv[i], "hvm")) { - if (debug) - printf(" hvm : %s on this system\n", - show_bool((cpu.flags.vmx || cpu.flags.svm))); - hardware_matches = (cpu.flags.vmx || cpu.flags.svm) - && hardware_matches; - } else if (!strcmp(argv[i], "multicore")) { - if (debug) - printf(" multicore : %d cores on this system\n", cpu.num_cores); - if (cpu.num_cores > 1) - multicore = true; - hardware_matches = multicore && hardware_matches; - } else if (!strcmp(argv[i], "smp")) { - if (debug) - printf(" smp : %s on this system\n", show_bool(cpu.flags.smp)); - hardware_matches = cpu.flags.smp && hardware_matches; - } else if (!strcmp(argv[i], "dry-run")) { - dryrun = true; - } else if (!strcmp(argv[i], "debug")) { - debug = true; - } - if (n >= 2) - break; - } - while (n < 2) { - args[n] = args[n - 1]; - n++; - } - if (debug) { - printf("\nBooting labels are : '%s' or '%s'\n", *args[0], *args[1]); - printf("Hardware requirements%smatch this system, let's booting '%s'\n", - hardware_matches ? " " : " doesn't ", - hardware_matches ? *args[0] : *args[1]); - printf("Sleeping 5sec before booting\n"); - if (!dryrun) - sleep(5); - } - - if (!dryrun) - boot_args(hardware_matches ? args[0] : args[1]); - else - printf("Dry-run mode, let's exiting\n"); - - return -1; -} |