diff options
| author | Philippe Reynes <philippe.reynes@softathome.com> | 2022-03-28 22:57:00 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-03-31 14:12:01 -0400 |
| commit | 9d46e63d9771c789c2c934bb6f5f6af042f1bba0 (patch) | |
| tree | 203636401a0370414a4ec1074ae69cde649b6d63 /boot | |
| parent | 982207435a7b96d594336a88c08cb5b09e5f2963 (diff) | |
cmd: bootm: add a stage pre-load
Add a stage pre-load to the command bootm.
Right now, this stage may be used to read a
header and check the signature of the full
image.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Diffstat (limited to 'boot')
| -rw-r--r-- | boot/bootm.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/boot/bootm.c b/boot/bootm.c index 00c00aef84..714406ab66 100644 --- a/boot/bootm.c +++ b/boot/bootm.c @@ -87,6 +87,33 @@ static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } +static ulong bootm_data_addr(int argc, char *const argv[]) +{ + ulong addr; + + if (argc > 0) + addr = simple_strtoul(argv[0], NULL, 16); + else + addr = image_load_addr; + + return addr; +} + +static int bootm_pre_load(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + ulong data_addr = bootm_data_addr(argc, argv); + int ret = 0; + + if (CONFIG_IS_ENABLED(CMD_BOOTM_PRE_LOAD)) + ret = image_pre_load(data_addr); + + if (ret) + ret = CMD_RET_FAILURE; + + return ret; +} + static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -677,6 +704,9 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc, if (states & BOOTM_STATE_START) ret = bootm_start(cmdtp, flag, argc, argv); + if (!ret && (states & BOOTM_STATE_PRE_LOAD)) + ret = bootm_pre_load(cmdtp, flag, argc, argv); + if (!ret && (states & BOOTM_STATE_FINDOS)) ret = bootm_find_os(cmdtp, flag, argc, argv); @@ -866,6 +896,9 @@ static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc, &fit_uname_config, &fit_uname_kernel); + if (CONFIG_IS_ENABLED(CMD_BOOTM_PRE_LOAD)) + img_addr += image_load_offset; + bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); /* check image type, for FIT images get FIT kernel node */ |