diff options
Diffstat (limited to 'grub-core/commands/lsacpi.c')
| -rw-r--r-- | grub-core/commands/lsacpi.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/grub-core/commands/lsacpi.c b/grub-core/commands/lsacpi.c new file mode 100644 index 0000000..fd19e38 --- /dev/null +++ b/grub-core/commands/lsacpi.c @@ -0,0 +1,252 @@ +/* acpi.c - Display acpi tables. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ +#include <grub/types.h> +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/normal.h> +#include <grub/acpi.h> +#include <grub/extcmd.h> +#include <grub/i18n.h> +#include <grub/dl.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static void +print_strn (grub_uint8_t *str, grub_size_t len) +{ + for (; *str && len; str++, len--) + grub_printf ("%c", *str); + for (len++; len; len--) + grub_printf (" "); +} + +#define print_field(x) print_strn(x, sizeof (x)) + +static void +disp_acpi_table (struct grub_acpi_table_header *t) +{ + print_field (t->signature); + grub_printf ("%4" PRIuGRUB_UINT32_T "B rev=%u OEM=", t->length, t->revision); + print_field (t->oemid); + print_field (t->oemtable); + grub_printf ("OEMrev=%08" PRIxGRUB_UINT32_T " ", t->oemrev); + print_field (t->creator_id); + grub_printf (" %08" PRIxGRUB_UINT32_T "\n", t->creator_rev); +} + +static void +disp_madt_table (struct grub_acpi_madt *t) +{ + struct grub_acpi_madt_entry_header *d; + grub_uint32_t len; + + disp_acpi_table (&t->hdr); + grub_printf ("Local APIC=%08" PRIxGRUB_UINT32_T " Flags=%08" + PRIxGRUB_UINT32_T "\n", + t->lapic_addr, t->flags); + len = t->hdr.length - sizeof (struct grub_acpi_madt); + d = t->entries; + for (;len > 0; len -= d->len, d = (void *) ((grub_uint8_t *) d + d->len)) + { + grub_printf (" type=%x l=%u ", d->type, d->len); + + switch (d->type) + { + case GRUB_ACPI_MADT_ENTRY_TYPE_INTERRUPT_OVERRIDE: + { + struct grub_acpi_madt_entry_interrupt_override *dt = (void *) d; + grub_printf ("Int Override bus=%x src=%x GSI=%08x Flags=%04x\n", + dt->bus, dt->source, dt->global_sys_interrupt, + dt->flags); + } + break; + case GRUB_ACPI_MADT_ENTRY_TYPE_SAPIC: + { + struct grub_acpi_madt_entry_sapic *dt = (void *) d; + grub_printf ("IOSAPIC Id=%02x GSI=%08x Addr=%016" PRIxGRUB_UINT64_T + "\n", + dt->id, dt->global_sys_interrupt_base, + dt->addr); + } + break; + case GRUB_ACPI_MADT_ENTRY_TYPE_LSAPIC: + { + struct grub_acpi_madt_entry_lsapic *dt = (void *) d; + grub_printf ("LSAPIC ProcId=%02x ID=%02x EID=%02x Flags=%x", + dt->cpu_id, dt->id, dt->eid, dt->flags); + if (dt->flags & GRUB_ACPI_MADT_ENTRY_SAPIC_FLAGS_ENABLED) + grub_printf (" Enabled\n"); + else + grub_printf (" Disabled\n"); + if (d->len > sizeof (struct grub_acpi_madt_entry_sapic)) + grub_printf (" UID val=%08x, Str=%s\n", dt->cpu_uid, + dt->cpu_uid_str); + } + break; + case GRUB_ACPI_MADT_ENTRY_TYPE_PLATFORM_INT_SOURCE: + { + struct grub_acpi_madt_entry_platform_int_source *dt = (void *) d; + static const char * const platint_type[] = + {"Nul", "PMI", "INIT", "CPEI"}; + + grub_printf ("Platform INT flags=%04x type=%02x (%s)" + " ID=%02x EID=%02x\n", + dt->flags, dt->inttype, + (dt->inttype < ARRAY_SIZE (platint_type)) + ? platint_type[dt->inttype] : "??", dt->cpu_id, + dt->cpu_eid); + grub_printf (" IOSAPIC Vec=%02x GSI=%08x source flags=%08x\n", + dt->sapic_vector, dt->global_sys_int, dt->src_flags); + } + break; + default: + grub_printf (" ??\n"); + } + } +} + +static void +disp_acpi_xsdt_table (struct grub_acpi_table_header *t) +{ + grub_uint32_t len; + grub_uint64_t *desc; + + disp_acpi_table (t); + len = t->length - sizeof (*t); + desc = (grub_uint64_t *) (t + 1); + for (; len > 0; desc++, len -= sizeof (*desc)) + { + if (sizeof (grub_addr_t) == 4 && *desc >= (1ULL << 32)) + { + grub_printf ("Unreachable table\n"); + continue; + } + t = (struct grub_acpi_table_header *) (grub_addr_t) *desc; + + if (t == NULL) + continue; + + if (grub_memcmp (t->signature, GRUB_ACPI_MADT_SIGNATURE, + sizeof (t->signature)) == 0) + disp_madt_table ((struct grub_acpi_madt *) t); + else + disp_acpi_table (t); + } +} + +static void +disp_acpi_rsdt_table (struct grub_acpi_table_header *t) +{ + grub_uint32_t len; + grub_uint32_t *desc; + + disp_acpi_table (t); + len = t->length - sizeof (*t); + desc = (grub_uint32_t *) (t + 1); + for (; len > 0; desc++, len -= sizeof (*desc)) + { + t = (struct grub_acpi_table_header *) (grub_addr_t) *desc; + + if (t == NULL) + continue; + + if (grub_memcmp (t->signature, GRUB_ACPI_MADT_SIGNATURE, + sizeof (t->signature)) == 0) + disp_madt_table ((struct grub_acpi_madt *) t); + else + disp_acpi_table (t); + } +} + +static void +disp_acpi_rsdpv1 (struct grub_acpi_rsdp_v10 *rsdp) +{ + print_field (rsdp->signature); + grub_printf ("chksum:%02x, OEM-ID: ", rsdp->checksum); + print_field (rsdp->oemid); + grub_printf ("rev=%d\n", rsdp->revision); + grub_printf ("RSDT=%08" PRIxGRUB_UINT32_T "\n", rsdp->rsdt_addr); +} + +static void +disp_acpi_rsdpv2 (struct grub_acpi_rsdp_v20 *rsdp) +{ + disp_acpi_rsdpv1 (&rsdp->rsdpv1); + grub_printf ("len=%d XSDT=%016" PRIxGRUB_UINT64_T "\n", rsdp->length, + rsdp->xsdt_addr); +} + +static const struct grub_arg_option options[] = { + {"v1", '1', 0, N_("Show v1 tables only."), 0, ARG_TYPE_NONE}, + {"v2", '2', 0, N_("Show v2 and v3 tablesv only."), 0, ARG_TYPE_NONE} +}; + +static grub_err_t +grub_cmd_lsacpi (struct grub_extcmd_context *ctxt, + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + if (!ctxt->state[1].set) + { + struct grub_acpi_rsdp_v10 *rsdp1 = grub_acpi_get_rsdpv1 (); + if (!rsdp1) + grub_printf ("No RSDPv1\n"); + else + { + grub_printf ("RSDPv1 signature:"); + disp_acpi_rsdpv1 (rsdp1); + disp_acpi_rsdt_table ((void *) (grub_addr_t) rsdp1->rsdt_addr); + } + } + + if (!ctxt->state[0].set) + { + struct grub_acpi_rsdp_v20 *rsdp2 = grub_acpi_get_rsdpv2 (); + if (!rsdp2) + grub_printf ("No RSDPv2\n"); + else + { + if (sizeof (grub_addr_t) == 4 && rsdp2->xsdt_addr >= (1ULL << 32)) + grub_printf ("Unreachable RSDPv2\n"); + else + { + grub_printf ("RSDPv2 signature:"); + disp_acpi_rsdpv2 (rsdp2); + disp_acpi_xsdt_table ((void *) (grub_addr_t) rsdp2->xsdt_addr); + grub_printf ("\n"); + } + } + } + return GRUB_ERR_NONE; +} + +static grub_extcmd_t cmd; + +GRUB_MOD_INIT(lsapi) +{ + cmd = grub_register_extcmd ("lsacpi", grub_cmd_lsacpi, 0, N_("[-1|-2]"), + N_("Show ACPI information."), options); +} + +GRUB_MOD_FINI(lsacpi) +{ + grub_unregister_extcmd (cmd); +} + + |