New commands cbmemc, lscoreboot, coreboot_boottime to inspect
coreboot tables content. Support for cbmemc.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
ef8810e9f3
commit
cc19857a2a
10 changed files with 446 additions and 5 deletions
118
grub-core/commands/i386/coreboot/cb_timestamps.c
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118
grub-core/commands/i386/coreboot/cb_timestamps.c
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@ -0,0 +1,118 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/dl.h>
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#include <grub/misc.h>
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#include <grub/command.h>
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#include <grub/i18n.h>
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#include <grub/i386/coreboot/lbio.h>
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#include <grub/i386/tsc.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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static grub_uint32_t
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tsc2ms (grub_uint64_t tsc)
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{
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grub_uint64_t ah = tsc >> 32;
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grub_uint64_t al = tsc & 0xffffffff;
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return ((al * grub_tsc_rate) >> 32) + ah * grub_tsc_rate;
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}
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static const char *descs[] = {
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[1] = "romstage",
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[2] = "before RAM init",
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[3] = "after RAM init",
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[4] = "end of romstage",
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[8] = "start of RAM copy",
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[9] = "end of RAM copy",
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[10] = "start of ramstage",
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[30] = "device enumerate",
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[40] = "device configure",
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[50] = "device enable",
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[60] = "device initialize",
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[70] = "device done",
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[75] = "CBMEM POST",
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[80] = "writing tables",
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[90] = "loading payload",
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[98] = "wake jump",
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[99] = "selfboot jump",
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};
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static int
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iterate_linuxbios_table (grub_linuxbios_table_item_t table_item,
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void *data)
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{
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int *available = data;
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grub_uint64_t last_tsc = 0;
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struct grub_linuxbios_timestamp_table *ts_table;
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unsigned i;
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if (table_item->tag != GRUB_LINUXBIOS_MEMBER_TIMESTAMPS)
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return 0;
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*available = 1;
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ts_table = (struct grub_linuxbios_timestamp_table *) (grub_addr_t)
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*(grub_uint64_t *) (table_item + 1);
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for (i = 0; i < ts_table->used; i++)
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{
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grub_uint32_t tmabs = tsc2ms (ts_table->entries[i].tsc);
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grub_uint32_t tmrel = tsc2ms (ts_table->entries[i].tsc - last_tsc);
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last_tsc = ts_table->entries[i].tsc;
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grub_printf ("%3d.%03ds %2d.%03ds %02d %s\n",
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tmabs / 1000, tmabs % 1000, tmrel / 1000, tmrel % 1000,
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ts_table->entries[i].id,
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(ts_table->entries[i].id < ARRAY_SIZE (descs)
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&& descs[ts_table->entries[i].id])
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? descs[ts_table->entries[i].id] : "");
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}
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return 1;
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}
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static grub_err_t
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grub_cmd_coreboot_boottime (struct grub_command *cmd __attribute__ ((unused)),
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int argc __attribute__ ((unused)),
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char *argv[] __attribute__ ((unused)))
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{
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int available = 0;
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grub_linuxbios_table_iterate (iterate_linuxbios_table, &available);
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if (!available)
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{
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grub_puts_ (N_("No boot time statistics is available\n"));
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return 0;
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}
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return 0;
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}
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static grub_command_t cmd_boottime;
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GRUB_MOD_INIT(cbtime)
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{
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cmd_boottime =
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grub_register_command ("coreboot_boottime", grub_cmd_coreboot_boottime,
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0, N_("Get coreboot boot time statistics."));
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}
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GRUB_MOD_FINI(cbtime)
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{
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grub_unregister_command (cmd_boottime);
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}
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128
grub-core/commands/i386/coreboot/cbls.c
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128
grub-core/commands/i386/coreboot/cbls.c
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@ -0,0 +1,128 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/dl.h>
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#include <grub/misc.h>
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#include <grub/command.h>
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#include <grub/i18n.h>
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#include <grub/i386/coreboot/lbio.h>
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#include <grub/i386/tsc.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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static const char *console_descs[] = {
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"8250 UART",
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"VGA",
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"BTEXT",
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"CBMEM console",
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"SROM",
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"EHCI debug",
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"memory-mapped 8250 UART"
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};
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static const char *descs[] = {
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[GRUB_LINUXBIOS_MEMBER_MEMORY] = "memory map (`lsmmap' to list)",
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[GRUB_LINUXBIOS_MEMBER_MAINBOARD] = "mainboard",
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[4] = "version",
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[5] = "extra version",
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[6] = "build",
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[7] = "compile time",
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[8] = "compile by",
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[9] = "compile host",
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[0xa] = "compile domain",
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[0xb] = "compiler",
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[0xc] = "linker",
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[0xd] = "assembler",
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[0xf] = "serial",
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[GRUB_LINUXBIOS_MEMBER_CONSOLE] = "console",
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[0x12] = "framebuffer",
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[0x13] = "GPIO",
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[0x15] = "VDAT",
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[GRUB_LINUXBIOS_MEMBER_TIMESTAMPS] = "timestamps (`coreboot_boottime' to list)",
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[GRUB_LINUXBIOS_MEMBER_CBMEMC] = "CBMEM console (`cbmem' to list)",
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[0x18] = "MRC cache",
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[0x19] = "VBNV",
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[0xc8] = "CMOS option table",
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[0xc9] = "CMOS option",
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[0xca] = "CMOS option enum",
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[0xcb] = "CMOS option defaults",
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[0xcc] = "CMOS checksum",
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};
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static int
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iterate_linuxbios_table (grub_linuxbios_table_item_t table_item,
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void *data __attribute__ ((unused)))
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{
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if (table_item->tag < ARRAY_SIZE (descs) && descs[table_item->tag])
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grub_printf ("tag=%02x size=%02x %s",
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table_item->tag, table_item->size, descs[table_item->tag]);
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else
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grub_printf ("tag=%02x size=%02x",
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table_item->tag, table_item->size);
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switch (table_item->tag)
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{
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case GRUB_LINUXBIOS_MEMBER_MAINBOARD:
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{
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struct grub_linuxbios_mainboard *mb;
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mb = (struct grub_linuxbios_mainboard *) (table_item + 1);
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grub_printf (": vendor=`%s' part_number=`%s'",
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mb->strings + mb->vendor,
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mb->strings + mb->part_number);
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break;
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}
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case 0x04 ... 0x0d:
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grub_printf (": `%s'", (char *) (table_item + 1));
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break;
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case GRUB_LINUXBIOS_MEMBER_CONSOLE:
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{
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grub_uint16_t *val = (grub_uint16_t *) (table_item + 1);
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grub_printf (": id=%d", *val);
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if (*val < ARRAY_SIZE (console_descs)
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&& console_descs[*val])
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grub_printf (" %s", console_descs[*val]);
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}
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}
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grub_printf ("\n");
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return 0;
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}
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static grub_err_t
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grub_cmd_lscoreboot (struct grub_command *cmd __attribute__ ((unused)),
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int argc __attribute__ ((unused)),
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char *argv[] __attribute__ ((unused)))
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{
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grub_linuxbios_table_iterate (iterate_linuxbios_table, 0);
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return 0;
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}
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static grub_command_t cmd;
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GRUB_MOD_INIT(cbls)
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{
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cmd =
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grub_register_command ("lscoreboot", grub_cmd_lscoreboot,
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0, N_("List coreboot tables."));
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}
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GRUB_MOD_FINI(cbls)
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{
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grub_unregister_command (cmd);
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}
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