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// SPDX-License-Identifier: GPL-2.0-only
#include <common.h>
#include <command.h>
#include <asm/sbi.h>
static const char *implementations[] = {
[0] = "\"Berkeley Boot Loader (BBL)\" ",
[1] = "\"OpenSBI\" ",
[2] = "\"Xvisor\" ",
[3] = "\"KVM\" ",
[4] = "\"RustSBI\" ",
[5] = "\"Diosix\" ",
};
static int do_cpuinfo(int argc, char *argv[])
{
const char *implementation = "";
unsigned long impid;
printf("SBI specification v%lu.%lu detected\n",
sbi_major_version(), sbi_minor_version());
if (sbi_spec_is_0_1())
return 0;
impid = __sbi_base_ecall(SBI_EXT_BASE_GET_IMP_ID);
if (impid < ARRAY_SIZE(implementations))
implementation = implementations[impid];
printf("SBI implementation ID=0x%lx %sVersion=0x%lx\n",
impid, implementation, __sbi_base_ecall(SBI_EXT_BASE_GET_IMP_VERSION));
printf("SBI Machine VENDORID=0x%lx ARCHID=0x%lx MIMPID=0x%lx\n",
__sbi_base_ecall(SBI_EXT_BASE_GET_MVENDORID),
__sbi_base_ecall(SBI_EXT_BASE_GET_MARCHID),
__sbi_base_ecall(SBI_EXT_BASE_GET_MIMPID));
return 0;
}
BAREBOX_CMD_START(cpuinfo)
.cmd = do_cpuinfo,
BAREBOX_CMD_DESC("show CPU information")
BAREBOX_CMD_GROUP(CMD_GRP_INFO)
BAREBOX_CMD_END
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