diff options
Diffstat (limited to 'grub-core/commands/efi/lssal.c')
| -rw-r--r-- | grub-core/commands/efi/lssal.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/grub-core/commands/efi/lssal.c b/grub-core/commands/efi/lssal.c new file mode 100644 index 0000000..5084ddd --- /dev/null +++ b/grub-core/commands/efi/lssal.c @@ -0,0 +1,169 @@ +/* lssal.c - Display EFI SAL systab. */ +/* + * 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/charset.h> +#include <grub/efi/api.h> +#include <grub/efi/efi.h> +#include <grub/dl.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static void +disp_sal (void *table) +{ + struct grub_efi_sal_system_table *t = table; + void *desc; + grub_uint32_t len, l, i; + + grub_printf ("SAL rev: %02x, signature: %x, len:%x\n", + t->sal_rev, t->signature, t->total_table_len); + grub_printf ("nbr entry: %d, chksum: %02x, SAL version A: %02x B: %02x\n", + t->entry_count, t->checksum, + t->sal_a_version, t->sal_b_version); + grub_printf ("OEM-ID: %-32s\n", t->oem_id); + grub_printf ("Product-ID: %-32s\n", t->product_id); + + desc = t->entries; + len = t->total_table_len - sizeof (struct grub_efi_sal_system_table); + if (t->total_table_len <= sizeof (struct grub_efi_sal_system_table)) + return; + for (i = 0; i < t->entry_count; i++) + { + switch (*(grub_uint8_t *) desc) + { + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_ENTRYPOINT_DESCRIPTOR: + { + struct grub_efi_sal_system_table_entrypoint_descriptor *c = desc; + l = sizeof (*c); + grub_printf (" Entry point: PAL=%016" PRIxGRUB_UINT64_T + " SAL=%016" PRIxGRUB_UINT64_T " GP=%016" + PRIxGRUB_UINT64_T "\n", + c->pal_proc_addr, c->sal_proc_addr, + c->global_data_ptr); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_MEMORY_DESCRIPTOR: + { + struct grub_efi_sal_system_table_memory_descriptor *c = desc; + l = sizeof (*c); + grub_printf (" Memory descriptor entry addr=%016" PRIxGRUB_UINT64_T + " len=%" PRIuGRUB_UINT64_T "KB\n", + c->addr, c->len * 4); + grub_printf (" sal_used=%d attr=%x AR=%x attr_mask=%x " + "type=%x usage=%x\n", + c->sal_used, c->attr, c->ar, c->attr_mask, c->mem_type, + c->usage); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_PLATFORM_FEATURES: + { + struct grub_efi_sal_system_table_platform_features *c = desc; + l = sizeof (*c); + grub_printf (" Platform features: %02x", c->flags); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_BUSLOCK) + grub_printf (" BusLock"); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_IRQREDIRECT) + grub_printf (" IrqRedirect"); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_IPIREDIRECT) + + grub_printf (" IPIRedirect"); + if (c->flags & GRUB_EFI_SAL_SYSTEM_TABLE_PLATFORM_FEATURE_ITCDRIFT) + + grub_printf (" ITCDrift"); + grub_printf ("\n"); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_TRANSLATION_REGISTER_DESCRIPTOR: + { + struct grub_efi_sal_system_table_translation_register_descriptor *c + = desc; + l = sizeof (*c); + grub_printf (" TR type=%d num=%d va=%016" PRIxGRUB_UINT64_T + " pte=%016" PRIxGRUB_UINT64_T "\n", + c->register_type, c->register_number, + c->addr, c->page_size); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_PURGE_TRANSLATION_COHERENCE: + { + struct grub_efi_sal_system_table_purge_translation_coherence *c + = desc; + l = sizeof (*c); + grub_printf (" PTC coherence nbr=%d addr=%016" PRIxGRUB_UINT64_T "\n", + c->ndomains, c->coherence); + } + break; + case GRUB_EFI_SAL_SYSTEM_TABLE_TYPE_AP_WAKEUP: + { + struct grub_efi_sal_system_table_ap_wakeup *c = desc; + l = sizeof (*c); + grub_printf (" AP wake-up: mec=%d vect=%" PRIxGRUB_UINT64_T "\n", + c->mechanism, c->vector); + } + break; + default: + grub_printf (" unknown entry 0x%x\n", *(grub_uint8_t *)desc); + return; + } + desc = (grub_uint8_t *)desc + l; + if (len <= l) + return; + len -= l; + } +} + +static grub_err_t +grub_cmd_lssal (struct grub_command *cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) +{ + const grub_efi_system_table_t *st = grub_efi_system_table; + grub_efi_configuration_table_t *t = st->configuration_table; + unsigned int i; + grub_efi_packed_guid_t guid = GRUB_EFI_SAL_TABLE_GUID; + + for (i = 0; i < st->num_table_entries; i++) + { + if (grub_memcmp (&guid, &t->vendor_guid, + sizeof (grub_efi_packed_guid_t)) == 0) + { + disp_sal (t->vendor_table); + return GRUB_ERR_NONE; + } + t++; + } + grub_printf ("SAL not found\n"); + return GRUB_ERR_NONE; +} + +static grub_command_t cmd; + +GRUB_MOD_INIT(lssal) +{ + cmd = grub_register_command ("lssal", grub_cmd_lssal, "", + "Display SAL system table."); +} + +GRUB_MOD_FINI(lssal) +{ + grub_unregister_command (cmd); +} |