Add automatic SMBIOS table generation
Change-Id: I0ae16dda8969638a8f70fe1d2e29e992aef3a834 Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/152 Tested-by: build bot (Jenkins)
This commit is contained in:
Sven Schnelle
@@ -6,8 +6,10 @@ ramstage-y += tables.c
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ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c
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ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c
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ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpi.c
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ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c
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ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += acpigen.c
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ramstage-$(CONFIG_HAVE_ACPI_RESUME) += wakeup.S
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$(obj)/arch/x86/boot/coreboot_table.ramstage.o : $(OPTION_TABLE_H)
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$(obj)/arch/x86/boot/smbios.ramstage.o: $(obj)/build.h
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293
src/arch/x86/boot/smbios.c
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293
src/arch/x86/boot/smbios.c
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@@ -0,0 +1,293 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <smbios.h>
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#include <console/console.h>
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#include <build.h>
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#include <device/device.h>
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#include <arch/cpu.h>
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#include <cpu/x86/name.h>
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#include <cbfs_core.h>
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#include <arch/byteorder.h>
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static u8 smbios_checksum(u8 *p, u32 length)
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{
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u8 ret = 0;
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while (length--)
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ret += *p++;
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return -ret;
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}
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int smbios_add_string(char *start, const char *str)
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{
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int i = 1;
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char *p = start;
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for(;;) {
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if (!*p) {
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strcpy(p, str);
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p += strlen(str);
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*p++ = '\0';
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*p++ = '\0';
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return i;
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}
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if (!strcmp(p, str))
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return i;
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p += strlen(p)+1;
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i++;
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}
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}
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int smbios_string_table_len(char *start)
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{
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char *p = start;
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int i, len = 0;
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while(*p) {
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i = strlen(p) + 1;
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p += i;
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len += i;
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}
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return len + 1;
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}
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static int smbios_cpu_vendor(char *start)
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{
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char tmp[13];
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u32 *_tmp = (u32 *)tmp;
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struct cpuid_result res = cpuid(0);
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_tmp[0] = res.ebx;
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_tmp[1] = res.edx;
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_tmp[2] = res.ecx;
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tmp[12] = '\0';
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return smbios_add_string(start, tmp);
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}
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static int smbios_processor_name(char *start)
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{
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char tmp[49];
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u32 *_tmp = (u32 *)tmp;
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struct cpuid_result res;
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int i;
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for (i = 0; i < 3; i++) {
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res = cpuid(0x80000002 + i);
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_tmp[i * 4 + 0] = res.eax;
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_tmp[i * 4 + 1] = res.ebx;
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_tmp[i * 4 + 2] = res.ecx;
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_tmp[i * 4 + 3] = res.edx;
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}
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tmp[48] = 0;
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return smbios_add_string(start, tmp);
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}
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static int smbios_write_type0(unsigned long *current, int handle)
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{
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struct cbfs_header *hdr;
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struct smbios_type0 *t = (struct smbios_type0 *)*current;
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int len = sizeof(struct smbios_type0);
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memset(t, 0, sizeof(struct smbios_type0));
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t->type = SMBIOS_BIOS_INFORMATION;
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t->handle = handle;
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t->length = len - 2;
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t->vendor = smbios_add_string(t->eos, "coreboot");
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t->bios_release_date = smbios_add_string(t->eos, COREBOOT_DMI_DATE);
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t->bios_version = smbios_add_string(t->eos, COREBOOT_VERSION);
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if ((hdr = get_cbfs_header()) != (struct cbfs_header *)0xffffffff)
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t->bios_rom_size = (ntohl(hdr->romsize) / 65535) - 1;
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t->system_bios_major_release = 4;
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t->bios_characteristics =
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BIOS_CHARACTERISTICS_PCI_SUPPORTED |
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#if CONFIG_CARDBUS_PLUGIN_SUPPORT
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BIOS_CHARACTERISTICS_PC_CARD |
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#endif
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BIOS_CHARACTERISTICS_SELECTABLE_BOOT |
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BIOS_CHARACTERISTICS_UPGRADEABLE;
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#if CONFIG_GENERATE_ACPI_TABLES
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t->bios_characteristics_ext1 = BIOS_EXT1_CHARACTERISTICS_ACPI;
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#endif
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t->bios_characteristics_ext2 = BIOS_EXT2_CHARACTERISTICS_TARGET;
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len = t->length + smbios_string_table_len(t->eos);
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*current += len;
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return len;
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}
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static int smbios_write_type1(unsigned long *current, int handle)
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{
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struct smbios_type1 *t = (struct smbios_type1 *)*current;
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int len = sizeof(struct smbios_type1);
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memset(t, 0, sizeof(struct smbios_type1));
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t->type = SMBIOS_SYSTEM_INFORMATION;
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t->handle = handle;
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t->length = len - 2;
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t->manufacturer = smbios_add_string(t->eos, CONFIG_MAINBOARD_VENDOR);
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t->product_name = smbios_add_string(t->eos, CONFIG_MAINBOARD_PART_NUMBER);
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len = t->length + smbios_string_table_len(t->eos);
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*current += len;
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return len;
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}
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static int smbios_write_type3(unsigned long *current, int handle)
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{
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struct smbios_type3 *t = (struct smbios_type3 *)*current;
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int len = sizeof(struct smbios_type3);
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memset(t, 0, sizeof(struct smbios_type3));
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t->type = SMBIOS_SYSTEM_ENCLOSURE;
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t->handle = handle;
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t->length = len - 2;
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t->manufacturer = smbios_add_string(t->eos, CONFIG_MAINBOARD_VENDOR);
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t->bootup_state = SMBIOS_STATE_SAFE;
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t->power_supply_state = SMBIOS_STATE_SAFE;
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t->thermal_state = SMBIOS_STATE_SAFE;
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t->_type = 3;
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t->security_status = SMBIOS_STATE_SAFE;
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len = t->length + smbios_string_table_len(t->eos);
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*current += len;
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return len;
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}
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static int smbios_write_type4(unsigned long *current, int handle)
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{
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struct cpuid_result res;
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struct smbios_type4 *t = (struct smbios_type4 *)*current;
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int len = sizeof(struct smbios_type4);
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res = cpuid(1);
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memset(t, 0, sizeof(struct smbios_type4));
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t->type = SMBIOS_PROCESSOR_INFORMATION;
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t->handle = handle;
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t->length = len - 2;
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t->processor_id[0] = res.eax;
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t->processor_id[1] = res.edx;
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t->processor_manufacturer = smbios_cpu_vendor(t->eos);
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t->processor_version = smbios_processor_name(t->eos);
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t->processor_family = 0x0c;
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t->processor_type = 3; /* System Processor */
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t->processor_upgrade = 0x06;
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t->core_count = (res.ebx >> 16) & 0xff;
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t->l1_cache_handle = 0xffff;
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t->l2_cache_handle = 0xffff;
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t->l3_cache_handle = 0xffff;
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t->processor_upgrade = 1;
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len = t->length + smbios_string_table_len(t->eos);
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*current += len;
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return len;
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}
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static int smbios_write_type32(unsigned long *current, int handle)
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{
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struct smbios_type32 *t = (struct smbios_type32 *)*current;
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int len = sizeof(struct smbios_type32);
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memset(t, 0, sizeof(struct smbios_type32));
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t->type = SMBIOS_SYSTEM_BOOT_INFORMATION;
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t->handle = handle;
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t->length = len - 2;
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*current += len;
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return len;
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}
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static int smbios_write_type127(unsigned long *current, int handle)
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{
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struct smbios_type127 *t = (struct smbios_type127 *)*current;
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int len = sizeof(struct smbios_type127);
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memset(t, 0, sizeof(struct smbios_type127));
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t->type = SMBIOS_END_OF_TABLE;
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t->handle = handle;
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t->length = len - 2;
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*current += len;
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return len;
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}
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static int smbios_walk_device_tree(device_t tree, int *handle, unsigned long *current)
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{
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device_t dev;
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int len = 0;
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for(dev = tree; dev; dev = dev->next) {
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printk(BIOS_INFO, "%s (%s)\n", dev_path(dev), dev->chip_ops ? dev->chip_ops->name : "");
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if (dev->ops && dev->ops->get_smbios_data)
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len += dev->ops->get_smbios_data(dev, handle, current);
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if (dev->chip_ops && dev->chip_ops->get_smbios_data)
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len += dev->chip_ops->get_smbios_data(dev, handle, current);
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}
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return len;
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}
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unsigned long smbios_write_tables(unsigned long current)
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{
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struct smbios_entry *se;
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unsigned long tables;
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int len, handle = 0;
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current = ALIGN(current, 16);
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printk(BIOS_DEBUG, "%s: %08lx\n", __func__, current);
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se = (struct smbios_entry *)current;
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current += sizeof(struct smbios_entry);
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current = ALIGN(current, 16);
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tables = current;
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len = smbios_write_type0(¤t, handle++);
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len += smbios_write_type1(¤t, handle++);
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len += smbios_write_type3(¤t, handle++);
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len += smbios_write_type4(¤t, handle++);
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len += smbios_write_type32(¤t, handle++);
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len += smbios_walk_device_tree(all_devices, &handle, ¤t);
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len += smbios_write_type127(¤t, handle++);
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memset(se, 0, sizeof(struct smbios_entry));
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memcpy(se->anchor, "_SM_", 4);
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se->length = sizeof(struct smbios_entry);
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se->major_version = 2;
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se->minor_version = 7;
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se->max_struct_size = 24;
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se->struct_count = handle;
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memcpy(se->intermediate_anchor_string, "_DMI_", 5);
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se->struct_table_address = (u32)tables;
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se->struct_table_length = len;
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se->intermediate_checksum = smbios_checksum((u8 *)se + 0x10,
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sizeof(struct smbios_entry) - 0x10);
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se->checksum = smbios_checksum((u8 *)se, sizeof(struct smbios_entry));
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return current;
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}
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@@ -31,6 +31,7 @@
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#include <cpu/x86/multiboot.h>
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#include <cbmem.h>
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#include <lib.h>
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#include <smbios.h>
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uint64_t high_tables_base = 0;
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uint64_t high_tables_size;
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@@ -120,7 +121,7 @@ struct lb_memory *write_tables(void)
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#endif /* CONFIG_GENERATE_MP_TABLE */
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#if CONFIG_GENERATE_ACPI_TABLES == 1
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#define MAX_ACPI_SIZE (47 * 1024)
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#define MAX_ACPI_SIZE (45 * 1024)
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post_code(0x9c);
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/* Write ACPI tables to F segment and high tables area */
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@@ -178,7 +179,28 @@ struct lb_memory *write_tables(void)
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}
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#endif
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#define MAX_SMBIOS_SIZE 2048
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#if CONFIG_GENERATE_SMBIOS_TABLES
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high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_SMBIOS, MAX_SMBIOS_SIZE);
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if (high_table_pointer) {
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unsigned long new_high_table_pointer;
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new_high_table_pointer = smbios_write_tables(high_table_pointer);
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rom_table_end = ALIGN(rom_table_end, 16);
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memcpy((void *)rom_table_end, (void *)high_table_pointer, sizeof(struct smbios_entry));
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rom_table_end += sizeof(struct smbios_entry);
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if (new_high_table_pointer > ( high_table_pointer + MAX_SMBIOS_SIZE)) {
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printk(BIOS_ERR, "ERROR: Increase SMBIOS size\n");
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}
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printk(BIOS_DEBUG, "SMBIOS tables: %ld bytes.\n",
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new_high_table_pointer - high_table_pointer);
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} else {
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unsigned long new_rom_table_end = smbios_write_tables(rom_table_end);
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printk(BIOS_DEBUG, "SMBIOS size %ld bytes\n", new_rom_table_end - rom_table_end);
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rom_table_end = ALIGN(new_rom_table_end, 16);
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}
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#endif
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#define MAX_COREBOOT_TABLE_SIZE (8 * 1024)
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post_code(0x9d);
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