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>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 1d84012..7bd9546 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -194,6 +194,16 @@
help
Boot an application image from the memory.
+config CMD_BOOTM_PRE_LOAD
+ bool "enable pre-load on bootm"
+ depends on CMD_BOOTM
+ depends on IMAGE_PRE_LOAD
+ default n
+ help
+ Enable support of stage pre-load for the bootm command.
+ This stage allow to check or modify the image provided
+ to the bootm command.
+
config BOOTM_EFI
bool "Support booting UEFI FIT images"
depends on CMD_BOOTEFI && CMD_BOOTM && FIT
diff --git a/cmd/bootm.c b/cmd/bootm.c
index e8b7066..87d40d4 100644
--- a/cmd/bootm.c
+++ b/cmd/bootm.c
@@ -70,7 +70,8 @@
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;
} else {
/* Unrecognized command */
return CMD_RET_USAGE;
@@ -126,7 +127,7 @@
}
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 |