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Patrice Chotard993c9122019-11-25 09:07:38 +01001// SPDX-License-Identifier: GPL-2.0+
2
3#include <common.h>
4#include <command.h>
5#include <env.h>
6#include <fs.h>
Simon Glass262cfb52021-10-14 12:48:00 -06007#include <pxe_utils.h>
Patrice Chotard993c9122019-11-25 09:07:38 +01008
Simon Glass81a2f8d2021-10-14 12:48:09 -06009/**
10 * struct sysboot_info - useful information for sysboot helpers
11 *
12 * @fstype: Filesystem type (FS_TYPE_...)
13 * @ifname: Interface name (e.g. "ide", "scsi")
14 * @dev_part_str is in the format:
15 * <dev>.<hw_part>:<part> where <dev> is the device number,
16 * <hw_part> is the optional hardware partition number and
17 * <part> is the partition number
18 */
19struct sysboot_info {
20 int fstype;
21 const char *ifname;
22 const char *dev_part_str;
23};
Patrice Chotard993c9122019-11-25 09:07:38 +010024
Simon Glass81a2f8d2021-10-14 12:48:09 -060025static int sysboot_read_file(struct pxe_context *ctx, const char *file_path,
26 char *file_addr, ulong *sizep)
Patrice Chotard993c9122019-11-25 09:07:38 +010027{
Simon Glass81a2f8d2021-10-14 12:48:09 -060028 struct sysboot_info *info = ctx->userdata;
29 loff_t len_read;
30 ulong addr;
Simon Glass4d79e882021-10-14 12:48:08 -060031 int ret;
32
Simon Glass81a2f8d2021-10-14 12:48:09 -060033 addr = simple_strtoul(file_addr, NULL, 16);
34 ret = fs_set_blk_dev(info->ifname, info->dev_part_str, info->fstype);
Simon Glass4d79e882021-10-14 12:48:08 -060035 if (ret)
Simon Glass81a2f8d2021-10-14 12:48:09 -060036 return ret;
37 ret = fs_read(file_path, addr, 0, 0, &len_read);
Simon Glass4d79e882021-10-14 12:48:08 -060038 if (ret)
Simon Glass81a2f8d2021-10-14 12:48:09 -060039 return ret;
40 *sizep = len_read;
Patrice Chotard993c9122019-11-25 09:07:38 +010041
Simon Glass81a2f8d2021-10-14 12:48:09 -060042 return 0;
Patrice Chotard993c9122019-11-25 09:07:38 +010043}
44
45/*
46 * Boots a system using a local disk syslinux/extlinux file
47 *
48 * Returns 0 on success, 1 on error.
49 */
Simon Glass09140112020-05-10 11:40:03 -060050static int do_sysboot(struct cmd_tbl *cmdtp, int flag, int argc,
51 char *const argv[])
Patrice Chotard993c9122019-11-25 09:07:38 +010052{
53 unsigned long pxefile_addr_r;
Simon Glassfd3fa5c2021-10-14 12:47:56 -060054 struct pxe_context ctx;
Patrice Chotard993c9122019-11-25 09:07:38 +010055 char *pxefile_addr_str;
Simon Glass81a2f8d2021-10-14 12:48:09 -060056 struct sysboot_info info;
Patrice Chotard993c9122019-11-25 09:07:38 +010057 char *filename;
58 int prompt = 0;
Simon Glass9e62e7c2021-10-14 12:48:03 -060059 int ret;
Patrice Chotard993c9122019-11-25 09:07:38 +010060
Patrice Chotard993c9122019-11-25 09:07:38 +010061 if (argc > 1 && strstr(argv[1], "-p")) {
62 prompt = 1;
63 argc--;
64 argv++;
65 }
66
67 if (argc < 4)
68 return cmd_usage(cmdtp);
69
70 if (argc < 5) {
71 pxefile_addr_str = from_env("pxefile_addr_r");
72 if (!pxefile_addr_str)
73 return 1;
74 } else {
75 pxefile_addr_str = argv[4];
76 }
77
Patrice Chotard51843ea2019-11-25 09:07:40 +010078 if (argc < 6) {
Patrice Chotard993c9122019-11-25 09:07:38 +010079 filename = env_get("bootfile");
Patrice Chotard51843ea2019-11-25 09:07:40 +010080 } else {
Patrice Chotard993c9122019-11-25 09:07:38 +010081 filename = argv[5];
82 env_set("bootfile", filename);
83 }
84
Patrice Chotard51843ea2019-11-25 09:07:40 +010085 if (strstr(argv[3], "ext2")) {
Simon Glass81a2f8d2021-10-14 12:48:09 -060086 info.fstype = FS_TYPE_EXT;
Patrice Chotard51843ea2019-11-25 09:07:40 +010087 } else if (strstr(argv[3], "fat")) {
Simon Glass81a2f8d2021-10-14 12:48:09 -060088 info.fstype = FS_TYPE_FAT;
Patrice Chotard51843ea2019-11-25 09:07:40 +010089 } else if (strstr(argv[3], "any")) {
Simon Glass81a2f8d2021-10-14 12:48:09 -060090 info.fstype = FS_TYPE_ANY;
Patrice Chotard51843ea2019-11-25 09:07:40 +010091 } else {
Patrice Chotard993c9122019-11-25 09:07:38 +010092 printf("Invalid filesystem: %s\n", argv[3]);
93 return 1;
94 }
Simon Glass81a2f8d2021-10-14 12:48:09 -060095 info.ifname = argv[1];
96 info.dev_part_str = argv[2];
Patrice Chotard993c9122019-11-25 09:07:38 +010097
98 if (strict_strtoul(pxefile_addr_str, 16, &pxefile_addr_r) < 0) {
99 printf("Invalid pxefile address: %s\n", pxefile_addr_str);
100 return 1;
101 }
102
Simon Glass81a2f8d2021-10-14 12:48:09 -0600103 if (pxe_setup_ctx(&ctx, cmdtp, sysboot_read_file, &info, true,
Sean Edmond7d018892023-04-11 10:48:47 -0700104 filename, false)) {
Simon Glass12df8422021-10-14 12:48:04 -0600105 printf("Out of memory\n");
106 return CMD_RET_FAILURE;
107 }
108
Simon Glassfd3fa5c2021-10-14 12:47:56 -0600109 if (get_pxe_file(&ctx, filename, pxefile_addr_r) < 0) {
Patrice Chotard993c9122019-11-25 09:07:38 +0100110 printf("Error reading config file\n");
Simon Glass12df8422021-10-14 12:48:04 -0600111 pxe_destroy_ctx(&ctx);
Patrice Chotard993c9122019-11-25 09:07:38 +0100112 return 1;
113 }
114
Simon Glass9e62e7c2021-10-14 12:48:03 -0600115 ret = pxe_process(&ctx, pxefile_addr_r, prompt);
Simon Glass12df8422021-10-14 12:48:04 -0600116 pxe_destroy_ctx(&ctx);
Simon Glass9e62e7c2021-10-14 12:48:03 -0600117 if (ret)
118 return CMD_RET_FAILURE;
Patrice Chotard993c9122019-11-25 09:07:38 +0100119
120 return 0;
121}
122
Patrice Chotard51843ea2019-11-25 09:07:40 +0100123U_BOOT_CMD(sysboot, 7, 1, do_sysboot,
124 "command to get and boot from syslinux files",
125 "[-p] <interface> <dev[:part]> <ext2|fat|any> [addr] [filename]\n"
126 " - load and parse syslinux menu file 'filename' from ext2, fat\n"
127 " or any filesystem on 'dev' on 'interface' to address 'addr'"
Patrice Chotard993c9122019-11-25 09:07:38 +0100128);