On non x86 platforms the hardware reduce flag must be set in the FADT table. Write an error message if the flag is missing.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- cmd/acpi.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/cmd/acpi.c b/cmd/acpi.c index 24910c150b..2e9a333ffa 100644 --- a/cmd/acpi.c +++ b/cmd/acpi.c @@ -6,6 +6,7 @@ #include <common.h> #include <command.h> #include <display_options.h> +#include <log.h> #include <mapmem.h> #include <acpi/acpi_table.h> #include <asm/acpi_table.h> @@ -57,6 +58,9 @@ static void list_fadt(struct acpi_fadt *fadt) dump_hdr(map_sysmem(fadt->x_dsdt, 0)); else if (fadt->dsdt) dump_hdr(map_sysmem(fadt->dsdt, 0)); + if (!IS_ENABLED(CONFIG_X86) && + !(fadt->flags & ACPI_FADT_HW_REDUCED_ACPI)) + log_err("FADT not ACPI hardware reduced compliant\n"); if (fadt->x_firmware_ctrl) dump_hdr(map_sysmem(fadt->x_firmware_ctrl, 0)); else if (fadt->firmware_ctrl)