1 // SPDX-License-Identifier: GPL-2.0+
2
3 #include <common.h>
4 #include <command.h>
5 #include <env.h>
6 #include <fs.h>
7 #include "pxe_utils.h"
8
9 static char *fs_argv[5];
10
do_get_ext2(cmd_tbl_t * cmdtp,const char * file_path,char * file_addr)11 static int do_get_ext2(cmd_tbl_t *cmdtp, const char *file_path, char *file_addr)
12 {
13 #ifdef CONFIG_CMD_EXT2
14 fs_argv[0] = "ext2load";
15 fs_argv[3] = file_addr;
16 fs_argv[4] = (void *)file_path;
17
18 if (!do_ext2load(cmdtp, 0, 5, fs_argv))
19 return 1;
20 #endif
21 return -ENOENT;
22 }
23
do_get_fat(cmd_tbl_t * cmdtp,const char * file_path,char * file_addr)24 static int do_get_fat(cmd_tbl_t *cmdtp, const char *file_path, char *file_addr)
25 {
26 #ifdef CONFIG_CMD_FAT
27 fs_argv[0] = "fatload";
28 fs_argv[3] = file_addr;
29 fs_argv[4] = (void *)file_path;
30
31 if (!do_fat_fsload(cmdtp, 0, 5, fs_argv))
32 return 1;
33 #endif
34 return -ENOENT;
35 }
36
do_get_any(cmd_tbl_t * cmdtp,const char * file_path,char * file_addr)37 static int do_get_any(cmd_tbl_t *cmdtp, const char *file_path, char *file_addr)
38 {
39 #ifdef CONFIG_CMD_FS_GENERIC
40 fs_argv[0] = "load";
41 fs_argv[3] = file_addr;
42 fs_argv[4] = (void *)file_path;
43
44 if (!do_load(cmdtp, 0, 5, fs_argv, FS_TYPE_ANY))
45 return 1;
46 #endif
47 return -ENOENT;
48 }
49
50 /*
51 * Boots a system using a local disk syslinux/extlinux file
52 *
53 * Returns 0 on success, 1 on error.
54 */
do_sysboot(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])55 static int do_sysboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
56 {
57 unsigned long pxefile_addr_r;
58 struct pxe_menu *cfg;
59 char *pxefile_addr_str;
60 char *filename;
61 int prompt = 0;
62
63 is_pxe = false;
64
65 if (argc > 1 && strstr(argv[1], "-p")) {
66 prompt = 1;
67 argc--;
68 argv++;
69 }
70
71 if (argc < 4)
72 return cmd_usage(cmdtp);
73
74 if (argc < 5) {
75 pxefile_addr_str = from_env("pxefile_addr_r");
76 if (!pxefile_addr_str)
77 return 1;
78 } else {
79 pxefile_addr_str = argv[4];
80 }
81
82 if (argc < 6) {
83 filename = env_get("bootfile");
84 } else {
85 filename = argv[5];
86 env_set("bootfile", filename);
87 }
88
89 if (strstr(argv[3], "ext2")) {
90 do_getfile = do_get_ext2;
91 } else if (strstr(argv[3], "fat")) {
92 do_getfile = do_get_fat;
93 } else if (strstr(argv[3], "any")) {
94 do_getfile = do_get_any;
95 } else {
96 printf("Invalid filesystem: %s\n", argv[3]);
97 return 1;
98 }
99 fs_argv[1] = argv[1];
100 fs_argv[2] = argv[2];
101
102 if (strict_strtoul(pxefile_addr_str, 16, &pxefile_addr_r) < 0) {
103 printf("Invalid pxefile address: %s\n", pxefile_addr_str);
104 return 1;
105 }
106
107 if (get_pxe_file(cmdtp, filename, pxefile_addr_r) < 0) {
108 printf("Error reading config file\n");
109 return 1;
110 }
111
112 cfg = parse_pxefile(cmdtp, pxefile_addr_r);
113
114 if (!cfg) {
115 printf("Error parsing config file\n");
116 return 1;
117 }
118
119 if (prompt)
120 cfg->prompt = 1;
121
122 handle_pxe_menu(cmdtp, cfg);
123
124 destroy_pxe_menu(cfg);
125
126 return 0;
127 }
128
129 U_BOOT_CMD(sysboot, 7, 1, do_sysboot,
130 "command to get and boot from syslinux files",
131 "[-p] <interface> <dev[:part]> <ext2|fat|any> [addr] [filename]\n"
132 " - load and parse syslinux menu file 'filename' from ext2, fat\n"
133 " or any filesystem on 'dev' on 'interface' to address 'addr'"
134 );
135