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// 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 <sjg@chromium.org>
*/
#include <command.h>
#include <vsprintf.h>
#include <asm/cpu.h>
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 <op>", cpuid_help_text
);
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