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In the sbi command use the same short texts for the legacy extensions as the SBI specification 1.0.0. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Rick Chen <rick@andestech.com>
125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* The 'sbi' command displays information about the SBI implementation.
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*
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* Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/sbi.h>
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struct sbi_imp {
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const long id;
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const char *name;
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};
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struct sbi_ext {
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const u32 id;
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const char *name;
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};
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static struct sbi_imp implementations[] = {
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{ 0, "Berkeley Boot Loader (BBL)" },
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{ 1, "OpenSBI" },
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{ 2, "Xvisor" },
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{ 3, "KVM" },
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{ 4, "RustSBI" },
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{ 5, "Diosix" },
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{ 6, "Coffer" },
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};
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static struct sbi_ext extensions[] = {
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{ SBI_EXT_0_1_SET_TIMER, "Set Timer" },
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{ SBI_EXT_0_1_CONSOLE_PUTCHAR, "Console Putchar" },
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{ SBI_EXT_0_1_CONSOLE_GETCHAR, "Console Getchar" },
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{ SBI_EXT_0_1_CLEAR_IPI, "Clear IPI" },
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{ SBI_EXT_0_1_SEND_IPI, "Send IPI" },
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{ SBI_EXT_0_1_REMOTE_FENCE_I, "Remote FENCE.I" },
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{ SBI_EXT_0_1_REMOTE_SFENCE_VMA, "Remote SFENCE.VMA" },
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{ SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID, "Remote SFENCE.VMA with ASID" },
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{ SBI_EXT_0_1_SHUTDOWN, "System Shutdown" },
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{ SBI_EXT_BASE, "SBI Base Functionality" },
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{ SBI_EXT_TIME, "Timer Extension" },
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{ SBI_EXT_IPI, "IPI Extension" },
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{ SBI_EXT_RFENCE, "RFENCE Extension" },
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{ SBI_EXT_HSM, "Hart State Management Extension" },
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{ SBI_EXT_SRST, "System Reset Extension" },
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{ SBI_EXT_PMU, "Performance Monitoring Unit Extension" },
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};
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static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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int i, impl_id;
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long ret;
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long mvendorid, marchid, mimpid;
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ret = sbi_get_spec_version();
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if (ret < 0) {
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printf("No SBI 0.2+\n");
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return CMD_RET_FAILURE;
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}
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printf("SBI %ld.%ld", ret >> 24, ret & 0xffffff);
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impl_id = sbi_get_impl_id();
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if (impl_id >= 0) {
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for (i = 0; i < ARRAY_SIZE(implementations); ++i) {
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if (impl_id == implementations[i].id) {
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long vers;
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printf("\n%s ", implementations[i].name);
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ret = sbi_get_impl_version(&vers);
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if (ret < 0)
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break;
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switch (impl_id) {
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case 1: /* OpenSBI */
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printf("%ld.%ld",
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vers >> 16, vers & 0xffff);
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break;
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case 3: /* KVM */
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case 4: /* RustSBI */
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printf("%ld.%ld.%ld",
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vers >> 16,
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(vers >> 8) & 0xff,
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vers & 0xff);
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break;
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default:
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printf("0x%lx", vers);
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break;
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}
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break;
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}
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}
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if (i == ARRAY_SIZE(implementations))
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printf("Unknown implementation ID %ld", ret);
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}
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printf("\nMachine:\n");
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ret = sbi_get_mvendorid(&mvendorid);
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if (!ret)
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printf(" Vendor ID %lx\n", mvendorid);
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ret = sbi_get_marchid(&marchid);
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if (!ret)
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printf(" Architecture ID %lx\n", marchid);
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ret = sbi_get_mimpid(&mimpid);
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if (!ret)
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printf(" Implementation ID %lx\n", mimpid);
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printf("Extensions:\n");
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for (i = 0; i < ARRAY_SIZE(extensions); ++i) {
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ret = sbi_probe_extension(extensions[i].id);
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if (ret > 0)
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printf(" %s\n", extensions[i].name);
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}
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return 0;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char sbi_help_text[] =
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"- display SBI spec version, implementation, and available extensions";
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#endif
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U_BOOT_CMD_COMPLETE(
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sbi, 1, 0, do_sbi,
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"display SBI information",
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sbi_help_text, NULL
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);
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