Add a little subcommand that prints out where the kernel was loaded and its setup pointer. Run it by default in the normal boot.
Signed-off-by: Simon Glass <[email protected]> Reviewed-by: Wolfgang Wallner <[email protected]> --- (no changes since v1) arch/x86/lib/zimage.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 82c7e118ffb..460282e1312 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -68,9 +68,10 @@ struct zboot_state { enum { ZBOOT_STATE_START = BIT(0), - ZBOOT_STATE_GO = BIT(1), + ZBOOT_STATE_INFO = BIT(1), + ZBOOT_STATE_GO = BIT(2), - ZBOOT_STATE_COUNT = 2, + ZBOOT_STATE_COUNT = 3, }; static void build_command_line(char *command_line, int auto_boot) @@ -383,6 +384,15 @@ static int do_zboot_start(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } +static int do_zboot_info(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + printf("Kernel loaded at %08lx, setup_base=%p\n", + state.load_address, state.base_ptr); + + return 0; +} + static int do_zboot_go(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -400,6 +410,7 @@ static int do_zboot_go(struct cmd_tbl *cmdtp, int flag, int argc, U_BOOT_SUBCMDS(zboot, U_BOOT_CMD_MKENT(start, 8, 1, do_zboot_start, "", ""), + U_BOOT_CMD_MKENT(info, 1, 1, do_zboot_info, "", ""), U_BOOT_CMD_MKENT(go, 1, 1, do_zboot_go, "", ""), ) @@ -440,7 +451,7 @@ int do_zboot_parent(struct cmd_tbl *cmdtp, int flag, int argc, } do_zboot_states(cmdtp, flag, argc, argv, ZBOOT_STATE_START | - ZBOOT_STATE_GO); + ZBOOT_STATE_INFO | ZBOOT_STATE_GO); return CMD_RET_FAILURE; } -- 2.28.0.402.g5ffc5be6b7-goog
