diff options
Diffstat (limited to 'cmd/bootm.c')
| -rw-r--r-- | cmd/bootm.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/cmd/bootm.c b/cmd/bootm.c index e8b7066888..1f70ee9e91 100644 --- a/cmd/bootm.c +++ b/cmd/bootm.c @@ -44,6 +44,9 @@ static int do_imls(struct cmd_tbl *cmdtp, int flag, int argc, static struct cmd_tbl cmd_bootm_sub[] = { U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""), U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""), +#ifdef CONFIG_CMD_BOOTM_PRE_LOAD + U_BOOT_CMD_MKENT(preload, 0, 1, (void *)BOOTM_STATE_PRE_LOAD, "", ""), +#endif #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""), #endif @@ -57,6 +60,20 @@ static struct cmd_tbl cmd_bootm_sub[] = { U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""), }; +#if defined(CONFIG_CMD_BOOTM_PRE_LOAD) +static ulong bootm_get_addr(int argc, char *const argv[]) +{ + ulong addr; + + if (argc > 0) + addr = hextoul(argv[0], NULL); + else + addr = image_load_addr; + + return addr; +} +#endif + static int do_bootm_subcommand(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -70,7 +87,12 @@ static int do_bootm_subcommand(struct cmd_tbl *cmdtp, int flag, int argc, if (c) { state = (long)c->cmd; if (state == BOOTM_STATE_START) - state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER; + state |= BOOTM_STATE_PRE_LOAD | BOOTM_STATE_FINDOS | + BOOTM_STATE_FINDOTHER; +#if defined(CONFIG_CMD_BOOTM_PRE_LOAD) + if (state == BOOTM_STATE_PRE_LOAD) + state |= BOOTM_STATE_START; +#endif } else { /* Unrecognized command */ return CMD_RET_USAGE; @@ -84,6 +106,12 @@ static int do_bootm_subcommand(struct cmd_tbl *cmdtp, int flag, int argc, ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0); +#if defined(CONFIG_CMD_BOOTM_PRE_LOAD) + if (!ret && (state & BOOTM_STATE_PRE_LOAD)) + env_set_hex("loadaddr_verified", + bootm_get_addr(argc, argv) + image_load_offset); +#endif + return ret; } @@ -126,7 +154,7 @@ int do_bootm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START | - BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER | + BOOTM_STATE_FINDOS | BOOTM_STATE_PRE_LOAD | BOOTM_STATE_FINDOTHER | BOOTM_STATE_LOADOS | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH BOOTM_STATE_RAMDISK | @@ -176,6 +204,9 @@ static char bootm_help_text[] = "must be\n" "issued in the order below (it's ok to not issue all sub-commands):\n" "\tstart [addr [arg ...]]\n" +#if defined(CONFIG_CMD_BOOTM_PRE_LOAD) + "\tpreload [addr [arg ..]] - run only the preload stage\n" +#endif "\tloados - load OS image\n" #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH) "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n" |