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(struct cmd_tbl * cmdtp,const char * file_path,char * file_addr)11 static int do_get_ext2(struct cmd_tbl *cmdtp, const char *file_path,
12 char *file_addr)
13 {
14 #ifdef CONFIG_CMD_EXT2
15 fs_argv[0] = "ext2load";
16 fs_argv[3] = file_addr;
17 fs_argv[4] = (void *)file_path;
18
19 if (!do_ext2load(cmdtp, 0, 5, fs_argv))
20 return 1;
21 #endif
22 return -ENOENT;
23 }
24
do_get_fat(struct cmd_tbl * cmdtp,const char * file_path,char * file_addr)25 static int do_get_fat(struct cmd_tbl *cmdtp, const char *file_path,
26 char *file_addr)
27 {
28 #ifdef CONFIG_CMD_FAT
29 fs_argv[0] = "fatload";
30 fs_argv[3] = file_addr;
31 fs_argv[4] = (void *)file_path;
32
33 if (!do_fat_fsload(cmdtp, 0, 5, fs_argv))
34 return 1;
35 #endif
36 return -ENOENT;
37 }
38
do_get_any(struct cmd_tbl * cmdtp,const char * file_path,char * file_addr)39 static int do_get_any(struct cmd_tbl *cmdtp, const char *file_path,
40 char *file_addr)
41 {
42 #ifdef CONFIG_CMD_FS_GENERIC
43 fs_argv[0] = "load";
44 fs_argv[3] = file_addr;
45 fs_argv[4] = (void *)file_path;
46
47 if (!do_load(cmdtp, 0, 5, fs_argv, FS_TYPE_ANY))
48 return 1;
49 #endif
50 return -ENOENT;
51 }
52
53 /*
54 * Boots a system using a local disk syslinux/extlinux file
55 *
56 * Returns 0 on success, 1 on error.
57 */
do_sysboot(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])58 static int do_sysboot(struct cmd_tbl *cmdtp, int flag, int argc,
59 char *const argv[])
60 {
61 unsigned long pxefile_addr_r;
62 struct pxe_menu *cfg;
63 char *pxefile_addr_str;
64 char *filename;
65 int prompt = 0;
66
67 is_pxe = false;
68
69 if (argc > 1 && strstr(argv[1], "-p")) {
70 prompt = 1;
71 argc--;
72 argv++;
73 }
74
75 if (argc < 4)
76 return cmd_usage(cmdtp);
77
78 if (argc < 5) {
79 pxefile_addr_str = from_env("pxefile_addr_r");
80 if (!pxefile_addr_str)
81 return 1;
82 } else {
83 pxefile_addr_str = argv[4];
84 }
85
86 if (argc < 6) {
87 filename = env_get("bootfile");
88 } else {
89 filename = argv[5];
90 env_set("bootfile", filename);
91 }
92
93 if (strstr(argv[3], "ext2")) {
94 do_getfile = do_get_ext2;
95 } else if (strstr(argv[3], "fat")) {
96 do_getfile = do_get_fat;
97 } else if (strstr(argv[3], "any")) {
98 do_getfile = do_get_any;
99 } else {
100 printf("Invalid filesystem: %s\n", argv[3]);
101 return 1;
102 }
103 fs_argv[1] = argv[1];
104 fs_argv[2] = argv[2];
105
106 if (strict_strtoul(pxefile_addr_str, 16, &pxefile_addr_r) < 0) {
107 printf("Invalid pxefile address: %s\n", pxefile_addr_str);
108 return 1;
109 }
110
111 if (get_pxe_file(cmdtp, filename, pxefile_addr_r) < 0) {
112 printf("Error reading config file\n");
113 return 1;
114 }
115
116 cfg = parse_pxefile(cmdtp, pxefile_addr_r);
117
118 if (!cfg) {
119 printf("Error parsing config file\n");
120 return 1;
121 }
122
123 if (prompt)
124 cfg->prompt = 1;
125
126 handle_pxe_menu(cmdtp, cfg);
127
128 destroy_pxe_menu(cfg);
129
130 return 0;
131 }
132
133 U_BOOT_CMD(sysboot, 7, 1, do_sysboot,
134 "command to get and boot from syslinux files",
135 "[-p] <interface> <dev[:part]> <ext2|fat|any> [addr] [filename]\n"
136 " - load and parse syslinux menu file 'filename' from ext2, fat\n"
137 " or any filesystem on 'dev' on 'interface' to address 'addr'"
138 );
139