// SPDX-License-Identifier: GPL-2.0+ /* * The 'cpuid' command provides access to the CPU's cpuid information * * Copyright 2024 Google, LLC * Written by Simon Glass */ #include #include #include static int do_cpuid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct cpuid_result res; ulong op; if (argc < 2) return CMD_RET_USAGE; op = hextoul(argv[1], NULL); res = cpuid(op); printf("eax %08x\n", res.eax); printf("ebx %08x\n", res.ebx); printf("ecx %08x\n", res.ecx); printf("edx %08x\n", res.edx); return 0; } U_BOOT_LONGHELP(cpuid, "Show CPU Identification information"); U_BOOT_CMD( cpuid, 2, 1, do_cpuid, "cpuid ", cpuid_help_text );