diff options
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_sandbox.c')
-rw-r--r-- | qemu/roms/u-boot/common/cmd_sandbox.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_sandbox.c b/qemu/roms/u-boot/common/cmd_sandbox.c new file mode 100644 index 000000000..00982b164 --- /dev/null +++ b/qemu/roms/u-boot/common/cmd_sandbox.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2012, Google Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fs.h> +#include <part.h> +#include <sandboxblockdev.h> +#include <asm/errno.h> + +static int do_sandbox_load(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + return do_load(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX); +} + +static int do_sandbox_ls(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX); +} + +static int do_sandbox_save(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX); +} + +static int do_sandbox_bind(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + if (argc < 2 || argc > 3) + return CMD_RET_USAGE; + char *ep; + char *dev_str = argv[1]; + char *file = argc >= 3 ? argv[2] : NULL; + int dev = simple_strtoul(dev_str, &ep, 16); + if (*ep) { + printf("** Bad device specification %s **\n", dev_str); + return CMD_RET_USAGE; + } + return host_dev_bind(dev, file); +} + +static int do_sandbox_info(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + if (argc < 1 || argc > 2) + return CMD_RET_USAGE; + int min_dev = 0; + int max_dev = CONFIG_HOST_MAX_DEVICES - 1; + if (argc >= 2) { + char *ep; + char *dev_str = argv[1]; + int dev = simple_strtoul(dev_str, &ep, 16); + if (*ep) { + printf("** Bad device specification %s **\n", dev_str); + return CMD_RET_USAGE; + } + min_dev = dev; + max_dev = dev; + } + int dev; + printf("%3s %12s %s\n", "dev", "blocks", "path"); + for (dev = min_dev; dev <= max_dev; dev++) { + block_dev_desc_t *blk_dev; + int ret; + + printf("%3d ", dev); + ret = host_get_dev_err(dev, &blk_dev); + if (ret) { + if (ret == -ENOENT) + puts("Not bound to a backing file\n"); + else if (ret == -ENODEV) + puts("Invalid host device number\n"); + + continue; + } + struct host_block_dev *host_dev = blk_dev->priv; + printf("%12lu %s\n", (unsigned long)blk_dev->lba, + host_dev->filename); + } + return 0; +} + +static cmd_tbl_t cmd_sandbox_sub[] = { + U_BOOT_CMD_MKENT(load, 7, 0, do_sandbox_load, "", ""), + U_BOOT_CMD_MKENT(ls, 3, 0, do_sandbox_ls, "", ""), + U_BOOT_CMD_MKENT(save, 6, 0, do_sandbox_save, "", ""), + U_BOOT_CMD_MKENT(bind, 3, 0, do_sandbox_bind, "", ""), + U_BOOT_CMD_MKENT(info, 3, 0, do_sandbox_info, "", ""), +}; + +static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + cmd_tbl_t *c; + + /* Skip past 'sandbox' */ + argc--; + argv++; + + c = find_cmd_tbl(argv[0], cmd_sandbox_sub, + ARRAY_SIZE(cmd_sandbox_sub)); + + if (c) + return c->cmd(cmdtp, flag, argc, argv); + else + return CMD_RET_USAGE; +} + +U_BOOT_CMD( + sb, 8, 1, do_sandbox, + "Miscellaneous sandbox commands", + "load host <dev> <addr> <filename> [<bytes> <offset>] - " + "load a file from host\n" + "sb ls host <filename> - list files on host\n" + "sb save host <dev> <filename> <addr> <bytes> [<offset>] - " + "save a file to host\n" + "sb bind <dev> [<filename>] - bind \"host\" device to file\n" + "sb info [<dev>] - show device binding & info" +); |