arch/all-pc/boot/grub2-aros/grub-core/commands/lsacpi.c

   1 /* acpi.c  - Display acpi tables.  */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2008  Free Software Foundation, Inc.
   5  *
   6  *  GRUB is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include <grub/types.h>
  20 #include <grub/mm.h>
  21 #include <grub/misc.h>
  22 #include <grub/normal.h>
  23 #include <grub/acpi.h>
  24 #include <grub/extcmd.h>
  25 #include <grub/i18n.h>
  26 #include <grub/dl.h>
  27
  28 #pragma GCC diagnostic ignored "-Wcast-align"
  29
  30 GRUB_MOD_LICENSE ("GPLv3+");
  31
  32 static void
  33 print_strn (grub_uint8_t *str, grub_size_t len)
  34 {
  35   for (; *str && len; str++, len--)
  36     grub_printf ("%c", *str);
  37   for (len++; len; len--)
  38     grub_printf (" ");
  39 }
  40
  41 #define print_field(x) print_strn(x, sizeof (x))
  42
  43 static void
  44 disp_acpi_table (struct grub_acpi_table_header *t)
  45 {
  46   print_field (t->signature);
  47   grub_printf ("%4" PRIuGRUB_UINT32_T "B rev=%u OEM=", t->length, t->revision);
  48   print_field (t->oemid);
  49   print_field (t->oemtable);
  50   grub_printf ("OEMrev=%08" PRIxGRUB_UINT32_T " ", t->oemrev);
  51   print_field (t->creator_id);
  52   grub_printf (" %08" PRIxGRUB_UINT32_T "\n", t->creator_rev);
  53 }
  54
  55 static void
  56 disp_madt_table (struct grub_acpi_madt *t)
  57 {
  58   struct grub_acpi_madt_entry_header *d;
  59   grub_uint32_t len;
  60
  61   disp_acpi_table (&t->hdr);
  62   grub_printf ("Local APIC=%08" PRIxGRUB_UINT32_T "  Flags=%08"
  63                PRIxGRUB_UINT32_T "\n",
  64                t->lapic_addr, t->flags);
  65   len = t->hdr.length - sizeof (struct grub_acpi_madt);
  66   d = t->entries;
  67   for (;len > 0; len -= d->len, d = (void *) ((grub_uint8_t *) d + d->len))
  68     {
  69       grub_printf ("  type=%x l=%u ", d->type, d->len);
  70
  71       switch (d->type)
  72         {
  73         case GRUB_ACPI_MADT_ENTRY_TYPE_INTERRUPT_OVERRIDE:
  74           {
  75             struct grub_acpi_madt_entry_interrupt_override *dt = (void *) d;
  76             grub_printf ("Int Override bus=%x src=%x GSI=%08x Flags=%04x\n",
  77                          dt->bus, dt->source, dt->global_sys_interrupt,
  78                          dt->flags);
  79           }
  80           break;
  81         case GRUB_ACPI_MADT_ENTRY_TYPE_SAPIC:
  82           {
  83             struct grub_acpi_madt_entry_sapic *dt = (void *) d;
  84             grub_printf ("IOSAPIC Id=%02x GSI=%08x Addr=%016" PRIxGRUB_UINT64_T
  85                          "\n",
  86                          dt->id, dt->global_sys_interrupt_base,
  87                          dt->addr);
  88           }
  89           break;
  90         case GRUB_ACPI_MADT_ENTRY_TYPE_LSAPIC:
  91           {
  92             struct grub_acpi_madt_entry_lsapic *dt = (void *) d;
  93             grub_printf ("LSAPIC ProcId=%02x ID=%02x EID=%02x Flags=%x",
  94                          dt->cpu_id, dt->id, dt->eid, dt->flags);
  95             if (dt->flags & GRUB_ACPI_MADT_ENTRY_SAPIC_FLAGS_ENABLED)
  96               grub_printf (" Enabled\n");
  97             else
  98               grub_printf (" Disabled\n");
  99             if (d->len > sizeof (struct grub_acpi_madt_entry_sapic))
 100               grub_printf ("    UID val=%08x, Str=%s\n", dt->cpu_uid,
 101                            dt->cpu_uid_str);
 102           }
 103           break;
 104         case GRUB_ACPI_MADT_ENTRY_TYPE_PLATFORM_INT_SOURCE:
 105           {
 106             struct grub_acpi_madt_entry_platform_int_source *dt = (void *) d;
 107             static const char * const platint_type[] =
 108               {"Nul", "PMI", "INIT", "CPEI"};
 109
 110             grub_printf ("Platform INT flags=%04x type=%02x (%s)"
 111                          " ID=%02x EID=%02x\n",
 112                          dt->flags, dt->inttype,
 113                          (dt->inttype < ARRAY_SIZE (platint_type))
 114                          ? platint_type[dt->inttype] : "??", dt->cpu_id,
 115                          dt->cpu_eid);
 116             grub_printf ("      IOSAPIC Vec=%02x GSI=%08x source flags=%08x\n",
 117                          dt->sapic_vector, dt->global_sys_int, dt->src_flags);
 118           }
 119           break;
 120         default:
 121           grub_printf (" ??\n");
 122         }
 123     }
 124 }
 125
 126 static void
 127 disp_acpi_xsdt_table (struct grub_acpi_table_header *t)
 128 {
 129   grub_uint32_t len;
 130   grub_uint64_t *desc;
 131
 132   disp_acpi_table (t);
 133   len = t->length - sizeof (*t);
 134   desc = (grub_uint64_t *) (t + 1);
 135   for (; len >= sizeof (*desc); desc++, len -= sizeof (*desc))
 136     {
 137 #if GRUB_CPU_SIZEOF_VOID_P == 4
 138       if (*desc >= (1ULL << 32))
 139         {
 140           grub_printf ("Unreachable table\n");
 141           continue;
 142         }
 143 #endif
 144       t = (struct grub_acpi_table_header *) (grub_addr_t) *desc;
 145
 146       if (t == NULL)
 147         continue;
 148
 149       if (grub_memcmp (t->signature, GRUB_ACPI_MADT_SIGNATURE,
 150                        sizeof (t->signature)) == 0)
 151         disp_madt_table ((struct grub_acpi_madt *) t);
 152       else
 153         disp_acpi_table (t);
 154     }
 155 }
 156
 157 static void
 158 disp_acpi_rsdt_table (struct grub_acpi_table_header *t)
 159 {
 160   grub_uint32_t len;
 161   grub_uint32_t *desc;
 162
 163   disp_acpi_table (t);
 164   len = t->length - sizeof (*t);
 165   desc = (grub_uint32_t *) (t + 1);
 166   for (; len >= sizeof (*desc); desc++, len -= sizeof (*desc))
 167     {
 168       t = (struct grub_acpi_table_header *) (grub_addr_t) *desc;
 169
 170       if (t == NULL)
 171         continue;
 172
 173       if (grub_memcmp (t->signature, GRUB_ACPI_MADT_SIGNATURE,
 174                        sizeof (t->signature)) == 0)
 175         disp_madt_table ((struct grub_acpi_madt *) t);
 176       else
 177         disp_acpi_table (t);
 178     }
 179 }
 180
 181 static void
 182 disp_acpi_rsdpv1 (struct grub_acpi_rsdp_v10 *rsdp)
 183 {
 184   print_field (rsdp->signature);
 185   grub_printf ("chksum:%02x, OEM-ID: ", rsdp->checksum);
 186   print_field (rsdp->oemid);
 187   grub_printf ("rev=%d\n", rsdp->revision);
 188   grub_printf ("RSDT=%08" PRIxGRUB_UINT32_T "\n", rsdp->rsdt_addr);
 189 }
 190
 191 static void
 192 disp_acpi_rsdpv2 (struct grub_acpi_rsdp_v20 *rsdp)
 193 {
 194   disp_acpi_rsdpv1 (&rsdp->rsdpv1);
 195   grub_printf ("len=%d XSDT=%016" PRIxGRUB_UINT64_T "\n", rsdp->length,
 196                rsdp->xsdt_addr);
 197 }
 198
 199 static const struct grub_arg_option options[] = {
 200   {"v1", '1', 0, N_("Show version 1 tables only."), 0, ARG_TYPE_NONE},
 201   {"v2", '2', 0, N_("Show version 2 and version 3 tables only."), 0, ARG_TYPE_NONE},
 202   {0, 0, 0, 0, 0, 0}
 203 };
 204
 205 static grub_err_t
 206 grub_cmd_lsacpi (struct grub_extcmd_context *ctxt,
 207                  int argc __attribute__ ((unused)),
 208                  char **args __attribute__ ((unused)))
 209 {
 210   if (!ctxt->state[1].set)
 211     {
 212       struct grub_acpi_rsdp_v10 *rsdp1 = grub_acpi_get_rsdpv1 ();
 213       if (!rsdp1)
 214         grub_printf ("No RSDPv1\n");
 215       else
 216         {
 217           grub_printf ("RSDPv1 signature:");
 218           disp_acpi_rsdpv1 (rsdp1);
 219           disp_acpi_rsdt_table ((void *) (grub_addr_t) rsdp1->rsdt_addr);
 220         }
 221     }
 222
 223   if (!ctxt->state[0].set)
 224     {
 225       struct grub_acpi_rsdp_v20 *rsdp2 = grub_acpi_get_rsdpv2 ();
 226       if (!rsdp2)
 227         grub_printf ("No RSDPv2\n");
 228       else
 229         {
 230 #if GRUB_CPU_SIZEOF_VOID_P == 4
 231           if (rsdp2->xsdt_addr >= (1ULL << 32))
 232             grub_printf ("Unreachable RSDPv2\n");
 233           else
 234 #endif
 235             {
 236               grub_printf ("RSDPv2 signature:");
 237               disp_acpi_rsdpv2 (rsdp2);
 238               disp_acpi_xsdt_table ((void *) (grub_addr_t) rsdp2->xsdt_addr);
 239               grub_printf ("\n");
 240             }
 241         }
 242     }
 243   return GRUB_ERR_NONE;
 244 }
 245
 246 static grub_extcmd_t cmd;
 247
 248 GRUB_MOD_INIT(lsapi)
 249 {
 250   cmd = grub_register_extcmd ("lsacpi", grub_cmd_lsacpi, 0, "[-1|-2]",
 251                               N_("Show ACPI information."), options);
 252 }
 253
 254 GRUB_MOD_FINI(lsacpi)
 255 {
 256   grub_unregister_extcmd (cmd);
 257 }
 258
 259