We have stack dump support in sandbox via AddressSanitizer, if it's compiled in. To make it easier to test proper operation, let's a cpuinfo command like we already do on ARM and give it the same -s option. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- arch/sandbox/Kconfig | 7 +++++++ arch/sandbox/board/Makefile | 1 + arch/sandbox/board/cpuinfo.c | 40 ++++++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+) create mode 100644 arch/sandbox/board/cpuinfo.c diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig index 52915490ca98..caff3a138fea 100644 --- a/arch/sandbox/Kconfig +++ b/arch/sandbox/Kconfig @@ -58,6 +58,13 @@ config SANDBOX_REEXEC The normal reset handler hangs barebox. On Linux, barebox instead can exec itself to simulate a reset. +config CMD_SANDBOX_CPUINFO + bool "cpuinfo command" + depends on COMMAND_SUPPORT + default y + help + Say yes here to get a dummy cpuinfo command. + config SDL bool diff --git a/arch/sandbox/board/Makefile b/arch/sandbox/board/Makefile index 8e6e1d2d8843..029bfe7ff163 100644 --- a/arch/sandbox/board/Makefile +++ b/arch/sandbox/board/Makefile @@ -10,6 +10,7 @@ obj-y += dtb.o obj-y += power.o obj-y += dev-random.o obj-y += watchdog.o +obj-$(CONFIG_CMD_SANDBOX_CPUINFO) += cpuinfo.o obj-$(CONFIG_LED) += led.o extra-y += barebox.lds diff --git a/arch/sandbox/board/cpuinfo.c b/arch/sandbox/board/cpuinfo.c new file mode 100644 index 000000000000..ce2762e607fd --- /dev/null +++ b/arch/sandbox/board/cpuinfo.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <common.h> +#include <getopt.h> +#include <command.h> +#include <complete.h> + +static int do_cpuinfo(int argc, char *argv[]) +{ + int opt; + + while ((opt = getopt(argc, argv, "s")) > 0) { + switch (opt) { + case 's': + if (!IS_ENABLED(CONFIG_ARCH_HAS_STACK_DUMP)) + return -ENOSYS; + + dump_stack(); + return 0; + default: + return COMMAND_ERROR_USAGE; + } + } + + return 0; +} + +BAREBOX_CMD_HELP_START(cpuinfo) +BAREBOX_CMD_HELP_TEXT("Shows misc info about CPU") +BAREBOX_CMD_HELP_OPT ("-s", "print call stack info (if supported)") +BAREBOX_CMD_HELP_END + +BAREBOX_CMD_START(cpuinfo) + .cmd = do_cpuinfo, + BAREBOX_CMD_DESC("show info about CPU") + BAREBOX_CMD_OPTS("[-s]") + BAREBOX_CMD_GROUP(CMD_GRP_INFO) + BAREBOX_CMD_COMPLETE(empty_complete) + BAREBOX_CMD_HELP(cmd_cpuinfo_help) +BAREBOX_CMD_END -- 2.39.5