int
fdt_load_dtb_file(const char * filename)
{
struct preloaded_file *bfp, *oldbfp;
int err;
debugf("fdt_load_dtb_file(%s)\n", filename);
oldbfp = file_findfile(NULL, "dtb");
/* Attempt to load and validate a new dtb from a file. */
if ((bfp = file_loadraw(filename, "dtb")) == NULL) {
sprintf(command_errbuf, "failed to load file '%s'", filename);
return (1);
}
if ((err = fdt_load_dtb(bfp->f_addr)) != 0) {
file_discard(bfp);
return (err);
}
/* A new dtb was validated, discard any previous file. */
if (oldbfp)
file_discard(oldbfp);
return (0);
}
static int
command_load_geli(int argc, char *argv[])
{
char typestr[80];
char *cp;
int ch, num;
if (argc < 3) {
command_errmsg = "usage is [-n key#] <prov> <file>";
return(CMD_ERROR);
}
num = 0;
optind = 1;
optreset = 1;
while ((ch = getopt(argc, argv, "n:")) != -1) {
switch(ch) {
case 'n':
num = strtol(optarg, &cp, 0);
if (cp == optarg) {
snprintf(command_errbuf, sizeof (command_errbuf),
"bad key index '%s'", optarg);
return(CMD_ERROR);
}
break;
case '?':
default:
/* getopt has already reported an error */
return(CMD_OK);
}
}
argv += (optind - 1);
argc -= (optind - 1);
sprintf(typestr, "%s:geli_keyfile%d", argv[1], num);
return (file_loadraw(argv[2], typestr, 0, NULL, 1) ? CMD_OK : CMD_ERROR);
}
static int
multiboot_obj_loadfile(char *filename, u_int64_t dest,
struct preloaded_file **result)
{
struct preloaded_file *mfp, *kfp, *rfp;
int error, mod_num;
/* See if there's a aout multiboot kernel loaded */
mfp = file_findfile(NULL, "aout multiboot kernel");
if (mfp != NULL) {
/* we have normal kernel loaded, add module */
rfp = file_loadraw(filename, "module", 0, NULL, 0);
if (rfp == NULL) {
printf(
"Unable to load %s as a multiboot payload module\n",
filename);
return (EINVAL);
}
rfp->f_size = roundup(rfp->f_size, PAGE_SIZE);
*result = rfp;
return (0);
}
/* See if there's a multiboot kernel loaded */
mfp = file_findfile(NULL, "elf multiboot kernel");
if (mfp == NULL) {
return (EFTYPE); /* this allows to check other methods */
}
/*
* We have a multiboot kernel loaded, see if there's a
* kernel loaded also.
*/
kfp = file_findfile(NULL, "elf kernel");
if (kfp == NULL) {
/*
* No kernel loaded, this must be it. The kernel has to
* be loaded as a raw file, it will be processed by
* Xen and correctly loaded as an ELF file.
*/
rfp = file_loadraw(filename, "elf kernel", 0, NULL, 0);
if (rfp == NULL) {
printf(
"Unable to load %s as a multiboot payload kernel\n",
filename);
return (EINVAL);
}
/* Load kernel metadata... */
setenv("kernelname", filename, 1);
error = elf64_load_modmetadata(rfp, rfp->f_addr + rfp->f_size);
if (error) {
printf("Unable to load kernel %s metadata error: %d\n",
rfp->f_name, error);
return (EINVAL);
}
/*
* Save space at the end of the kernel in order to place
* the metadata information. We do an approximation of the
* max metadata size, this is not optimal but it's probably
* the best we can do at this point. Once all modules are
* loaded and the size of the metadata is known this
* space will be recovered if not used.
*/
mod_num = num_modules(rfp);
rfp->f_size = roundup(rfp->f_size, PAGE_SIZE);
rfp->f_size += METADATA_RESV_SIZE(mod_num);
*result = rfp;
} else {
/* The rest should be loaded as regular modules */
error = elf64_obj_loadfile(filename, dest, result);
if (error != 0) {
printf("Unable to load %s as an object file, error: %d",
filename, error);
return (error);
}
}
return (0);
}
static int
command_load(int argc, char *argv[])
{
char *typestr;
int dofile, dokld, ch, error;
dokld = dofile = 0;
optind = 1;
optreset = 1;
typestr = NULL;
if (argc == 1) {
command_errmsg = "no filename specified";
return (CMD_CRIT);
}
while ((ch = getopt(argc, argv, "kt:")) != -1) {
switch(ch) {
case 'k':
dokld = 1;
break;
case 't':
typestr = optarg;
dofile = 1;
break;
case '?':
default:
/* getopt has already reported an error */
return (CMD_OK);
}
}
argv += (optind - 1);
argc -= (optind - 1);
printf("Loading %s...\n", argv[1]);
/*
* Request to load a raw file?
*/
if (dofile) {
if ((typestr == NULL) || (*typestr == 0)) {
command_errmsg = "invalid load type";
return (CMD_CRIT);
}
if (file_findfile(argv[1], typestr) != NULL) {
snprintf(command_errbuf, sizeof (command_errbuf),
"warning: file '%s' already loaded", argv[1]);
return (CMD_WARN);
}
if (file_loadraw(argv[1], typestr, argc - 2, argv + 2, 1) != NULL)
return (CMD_OK);
/* Failing to load mfs_root is never going to end well! */
if (strcmp("mfs_root", typestr) == 0)
return (CMD_FATAL);
return (CMD_ERROR);
}
/*
* Do we have explicit KLD load ?
*/
if (dokld || file_havepath(argv[1])) {
error = mod_loadkld(argv[1], argc - 2, argv + 2);
if (error == EEXIST) {
snprintf(command_errbuf, sizeof (command_errbuf),
"warning: KLD '%s' already loaded", argv[1]);
return (CMD_WARN);
}
return (error == 0 ? CMD_OK : CMD_CRIT);
}
/*
* Looks like a request for a module.
*/
error = mod_load(argv[1], NULL, argc - 2, argv + 2);
if (error == EEXIST) {
snprintf(command_errbuf, sizeof (command_errbuf),
"warning: module '%s' already loaded", argv[1]);
return (CMD_WARN);
}
return (error == 0 ? CMD_OK : CMD_CRIT);
}