From b279f5170a807a87a5726bcbeb0bc98937102eee Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sat, 15 Jul 2023 21:38:46 -0600 Subject: bdinfo: Show the RAM top and approximate stack pointer These are useful pieces of information when debugging. The RAM top shows where U-Boot started allocating memory from, before it relocated. The stack pointer can be checked to ensure it is in the correct region. Signed-off-by: Simon Glass Reviewed-by: Nikhil M Jain Reviewed-by: Bin Meng Tested-by: Nikhil M Jain --- cmd/Kconfig | 8 ++++++++ cmd/bdinfo.c | 5 +++++ 2 files changed, 13 insertions(+) (limited to 'cmd') diff --git a/cmd/Kconfig b/cmd/Kconfig index fd76972eaa3..ecfd5752377 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -135,6 +135,14 @@ config CMD_BDI help Print board info +config CMD_BDINFO_EXTRA + bool "bdinfo extra features" + default y if SANDBOX || X86 + help + Show additional information about the board. This uses a little more + code space but provides more options, particularly those useful for + bringup, development and debugging. + config CMD_CONFIG bool "config" default SANDBOX diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c index dab73f1d93c..44e6d6a972e 100644 --- a/cmd/bdinfo.c +++ b/cmd/bdinfo.c @@ -173,6 +173,11 @@ int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } print_serial(gd->cur_serial_dev); + if (IS_ENABLED(CONFIG_CMD_BDINFO_EXTRA)) { + bdinfo_print_num_ll("stack ptr", (ulong)&bd); + bdinfo_print_num_ll("ram_top ptr", (ulong)gd->ram_top); + } + arch_print_bdinfo(); return 0; -- cgit v1.3.1