mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
89a86dcf61
Let the sbi command show the SBI implementation version Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com> Reviewed-by: Rick Chen <rick@andestech.com>
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* The 'sbi' command displays information about the SBI implementation.
|
|
*
|
|
* Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <asm/sbi.h>
|
|
|
|
struct sbi_imp {
|
|
const long id;
|
|
const char *name;
|
|
};
|
|
|
|
struct sbi_ext {
|
|
const u32 id;
|
|
const char *name;
|
|
};
|
|
|
|
static struct sbi_imp implementations[] = {
|
|
{ 0, "Berkeley Boot Loader (BBL)" },
|
|
{ 1, "OpenSBI" },
|
|
{ 2, "Xvisor" },
|
|
{ 3, "KVM" },
|
|
{ 4, "RustSBI" },
|
|
{ 5, "Diosix" },
|
|
};
|
|
|
|
static struct sbi_ext extensions[] = {
|
|
{ SBI_EXT_0_1_SET_TIMER, "sbi_set_timer" },
|
|
{ SBI_EXT_0_1_CONSOLE_PUTCHAR, "sbi_console_putchar" },
|
|
{ SBI_EXT_0_1_CONSOLE_GETCHAR, "sbi_console_getchar" },
|
|
{ SBI_EXT_0_1_CLEAR_IPI, "sbi_clear_ipi" },
|
|
{ SBI_EXT_0_1_SEND_IPI, "sbi_send_ipi" },
|
|
{ SBI_EXT_0_1_REMOTE_FENCE_I, "sbi_remote_fence_i" },
|
|
{ SBI_EXT_0_1_REMOTE_SFENCE_VMA, "sbi_remote_sfence_vma" },
|
|
{ SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID, "sbi_remote_sfence_vma_asid" },
|
|
{ SBI_EXT_0_1_SHUTDOWN, "sbi_shutdown" },
|
|
{ SBI_EXT_BASE, "SBI Base Functionality" },
|
|
{ SBI_EXT_TIME, "Timer Extension" },
|
|
{ SBI_EXT_IPI, "IPI Extension" },
|
|
{ SBI_EXT_RFENCE, "RFENCE Extension" },
|
|
{ SBI_EXT_HSM, "Hart State Management Extension" },
|
|
{ SBI_EXT_SRST, "System Reset Extension" },
|
|
};
|
|
|
|
static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
int i, impl_id;
|
|
long ret;
|
|
|
|
ret = sbi_get_spec_version();
|
|
if (ret >= 0)
|
|
printf("SBI %ld.%ld", ret >> 24, ret & 0xffffff);
|
|
impl_id = sbi_get_impl_id();
|
|
if (impl_id >= 0) {
|
|
for (i = 0; i < ARRAY_SIZE(implementations); ++i) {
|
|
if (impl_id == implementations[i].id) {
|
|
long vers;
|
|
|
|
printf("\n%s ", implementations[i].name);
|
|
ret = sbi_get_impl_version(&vers);
|
|
if (ret < 0)
|
|
break;
|
|
if (impl_id == 1)
|
|
printf("%ld.%ld",
|
|
vers >> 16, vers & 0xffff);
|
|
else
|
|
printf("0x%lx", vers);
|
|
break;
|
|
}
|
|
}
|
|
if (i == ARRAY_SIZE(implementations))
|
|
printf("Unknown implementation ID %ld", ret);
|
|
}
|
|
printf("\nExtensions:\n");
|
|
for (i = 0; i < ARRAY_SIZE(extensions); ++i) {
|
|
ret = sbi_probe_extension(extensions[i].id);
|
|
if (ret > 0)
|
|
printf(" %s\n", extensions[i].name);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_LONGHELP
|
|
static char sbi_help_text[] =
|
|
"- display SBI spec version, implementation, and available extensions";
|
|
|
|
#endif
|
|
|
|
U_BOOT_CMD_COMPLETE(
|
|
sbi, 1, 0, do_sbi,
|
|
"display SBI information",
|
|
sbi_help_text, NULL
|
|
);
|