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[petitboot] / devices.c

diff --git a/devices.c b/devices.c
index 28cb3a38e3828f328a8ee7434eb073ffb970379a..43a388dfbecd832da7098eea799bf285802838b7 100644 (file)
--- a/devices.c
+++ b/devices.c
@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 #include <errno.h>
 #include <unistd.h>
@@ -152,21 +153,22 @@ out:
 
 static int read_option(int fd, struct device_context *dev_ctx)
 {
-       struct boot_option opt;
+       struct boot_option *opt = malloc(sizeof(*opt));
        twin_pixmap_t *icon;
        int index = -1;
 
-       if (!read_strings(fd, opt))
+       if (!opt)
                return TWIN_FALSE;
 
-       LOG("got option: '%s'\n", opt.name);
-       icon = get_icon(opt.icon_file);
+       if (!read_strings(fd, (*opt)))
+               return TWIN_FALSE;
 
-       if (icon)
-               index = pboot_add_option(dev_ctx->device_idx, opt.name,
-                               opt.description, icon);
+       LOG("got option: '%s'\n", opt->name);
+       icon = get_icon(opt->icon_file);
 
-       free_strings(opt);
+       if (icon)
+               index = pboot_add_option(dev_ctx->device_idx, opt->name,
+                                        opt->description, icon, opt);
 
        return index != -1;
 }
@@ -270,3 +272,27 @@ int pboot_start_device_discovery(void)
        return TWIN_TRUE;
 }
 
+void pboot_exec_option(void *data)
+{
+       struct boot_option *opt = data;
+       char *kexec_opts[10];
+       int nr_opts = 2;
+
+       kexec_opts[0] = "/sbin/kexec";
+       kexec_opts[1] = "-f";
+       if (opt->initrd_file) {
+               kexec_opts[nr_opts] = malloc(10 + strlen(opt->initrd_file));
+               sprintf(kexec_opts[nr_opts], "--initrd=%s", opt->initrd_file);
+               nr_opts++;
+       }
+       if (opt->boot_args)  {
+               kexec_opts[nr_opts] = malloc(10 + strlen(opt->boot_args));
+               sprintf(kexec_opts[nr_opts], "--command-line=%s",
+                       opt->boot_args);
+               nr_opts++;
+       }
+
+       kexec_opts[nr_opts++] = opt->boot_image_file;
+       kexec_opts[nr_opts] = NULL;
+       execv(kexec_opts[0], kexec_opts);
+}