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 sjg@chromium.org ---
cmd/Kconfig | 8 ++++++++ cmd/bdinfo.c | 5 +++++ 2 files changed, 13 insertions(+)
diff --git a/cmd/Kconfig b/cmd/Kconfig index 6ab05ea52aa2..cd47d7b9ef45 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 f709904c5167..4e0c763a7096 100644 --- a/cmd/bdinfo.c +++ b/cmd/bdinfo.c @@ -145,6 +145,11 @@ int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) printf("devicetree = %s\n", fdtdec_get_srcname()); }
+ 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;