sysboot.c
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// SPDX-License-Identifier: GPL-2.0+
#include <common.h>
#include <command.h>
#include <env.h>
#include <fs.h>
#include "pxe_utils.h"
static char *fs_argv[5];
static int do_get_ext2(cmd_tbl_t *cmdtp, const char *file_path, char *file_addr)
{
#ifdef CONFIG_CMD_EXT2
fs_argv[0] = "ext2load";
fs_argv[3] = file_addr;
fs_argv[4] = (void *)file_path;
if (!do_ext2load(cmdtp, 0, 5, fs_argv))
return 1;
#endif
return -ENOENT;
}
static int do_get_fat(cmd_tbl_t *cmdtp, const char *file_path, char *file_addr)
{
#ifdef CONFIG_CMD_FAT
fs_argv[0] = "fatload";
fs_argv[3] = file_addr;
fs_argv[4] = (void *)file_path;
if (!do_fat_fsload(cmdtp, 0, 5, fs_argv))
return 1;
#endif
return -ENOENT;
}
static int do_get_any(cmd_tbl_t *cmdtp, const char *file_path, char *file_addr)
{
#ifdef CONFIG_CMD_FS_GENERIC
fs_argv[0] = "load";
fs_argv[3] = file_addr;
fs_argv[4] = (void *)file_path;
if (!do_load(cmdtp, 0, 5, fs_argv, FS_TYPE_ANY))
return 1;
#endif
return -ENOENT;
}
/*
* Boots a system using a local disk syslinux/extlinux file
*
* Returns 0 on success, 1 on error.
*/
static int do_sysboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long pxefile_addr_r;
struct pxe_menu *cfg;
char *pxefile_addr_str;
char *filename;
int prompt = 0;
is_pxe = false;
if (argc > 1 && strstr(argv[1], "-p")) {
prompt = 1;
argc--;
argv++;
}
if (argc < 4)
return cmd_usage(cmdtp);
if (argc < 5) {
pxefile_addr_str = from_env("pxefile_addr_r");
if (!pxefile_addr_str)
return 1;
} else {
pxefile_addr_str = argv[4];
}
if (argc < 6) {
filename = env_get("bootfile");
} else {
filename = argv[5];
env_set("bootfile", filename);
}
if (strstr(argv[3], "ext2")) {
do_getfile = do_get_ext2;
} else if (strstr(argv[3], "fat")) {
do_getfile = do_get_fat;
} else if (strstr(argv[3], "any")) {
do_getfile = do_get_any;
} else {
printf("Invalid filesystem: %s\n", argv[3]);
return 1;
}
fs_argv[1] = argv[1];
fs_argv[2] = argv[2];
if (strict_strtoul(pxefile_addr_str, 16, &pxefile_addr_r) < 0) {
printf("Invalid pxefile address: %s\n", pxefile_addr_str);
return 1;
}
if (get_pxe_file(cmdtp, filename, pxefile_addr_r) < 0) {
printf("Error reading config file\n");
return 1;
}
cfg = parse_pxefile(cmdtp, pxefile_addr_r);
if (!cfg) {
printf("Error parsing config file\n");
return 1;
}
if (prompt)
cfg->prompt = 1;
handle_pxe_menu(cmdtp, cfg);
destroy_pxe_menu(cfg);
return 0;
}
U_BOOT_CMD(sysboot, 7, 1, do_sysboot,
"command to get and boot from syslinux files",
"[-p] <interface> <dev[:part]> <ext2|fat|any> [addr] [filename]\n"
" - load and parse syslinux menu file 'filename' from ext2, fat\n"
" or any filesystem on 'dev' on 'interface' to address 'addr'"
);