mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-07-05 22:12:40 +00:00
x86: Move smbios generation into arch independent directory
We will need the SMBIOS generation function on ARM as well going forward, so let's move it into a non arch specific location. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Alexander Graf
parent
1befb38b86
commit
4b6dddc294
7 changed files with 37 additions and 31 deletions
269
lib/smbios.c
Normal file
269
lib/smbios.c
Normal file
|
|
@ -0,0 +1,269 @@
|
|||
/*
|
||||
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
|
||||
*
|
||||
* Adapted from coreboot src/arch/x86/smbios.c
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <smbios.h>
|
||||
#include <tables_csum.h>
|
||||
#include <version.h>
|
||||
#include <asm/cpu.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
/**
|
||||
* smbios_add_string() - add a string to the string area
|
||||
*
|
||||
* This adds a string to the string area which is appended directly after
|
||||
* the formatted portion of an SMBIOS structure.
|
||||
*
|
||||
* @start: string area start address
|
||||
* @str: string to add
|
||||
* @return: string number in the string area
|
||||
*/
|
||||
static int smbios_add_string(char *start, const char *str)
|
||||
{
|
||||
int i = 1;
|
||||
char *p = start;
|
||||
|
||||
for (;;) {
|
||||
if (!*p) {
|
||||
strcpy(p, str);
|
||||
p += strlen(str);
|
||||
*p++ = '\0';
|
||||
*p++ = '\0';
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
if (!strcmp(p, str))
|
||||
return i;
|
||||
|
||||
p += strlen(p) + 1;
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* smbios_string_table_len() - compute the string area size
|
||||
*
|
||||
* This computes the size of the string area including the string terminator.
|
||||
*
|
||||
* @start: string area start address
|
||||
* @return: string area size
|
||||
*/
|
||||
static int smbios_string_table_len(char *start)
|
||||
{
|
||||
char *p = start;
|
||||
int i, len = 0;
|
||||
|
||||
while (*p) {
|
||||
i = strlen(p) + 1;
|
||||
p += i;
|
||||
len += i;
|
||||
}
|
||||
|
||||
return len + 1;
|
||||
}
|
||||
|
||||
static int smbios_write_type0(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type0 *t = (struct smbios_type0 *)*current;
|
||||
int len = sizeof(struct smbios_type0);
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type0));
|
||||
fill_smbios_header(t, SMBIOS_BIOS_INFORMATION, len, handle);
|
||||
t->vendor = smbios_add_string(t->eos, "U-Boot");
|
||||
t->bios_ver = smbios_add_string(t->eos, PLAIN_VERSION);
|
||||
t->bios_release_date = smbios_add_string(t->eos, U_BOOT_DMI_DATE);
|
||||
t->bios_rom_size = (CONFIG_ROM_SIZE / 65536) - 1;
|
||||
t->bios_characteristics = BIOS_CHARACTERISTICS_PCI_SUPPORTED |
|
||||
BIOS_CHARACTERISTICS_SELECTABLE_BOOT |
|
||||
BIOS_CHARACTERISTICS_UPGRADEABLE;
|
||||
#ifdef CONFIG_GENERATE_ACPI_TABLE
|
||||
t->bios_characteristics_ext1 = BIOS_CHARACTERISTICS_EXT1_ACPI;
|
||||
#endif
|
||||
t->bios_characteristics_ext2 = BIOS_CHARACTERISTICS_EXT2_TARGET;
|
||||
t->bios_major_release = 0xff;
|
||||
t->bios_minor_release = 0xff;
|
||||
t->ec_major_release = 0xff;
|
||||
t->ec_minor_release = 0xff;
|
||||
|
||||
len = t->length + smbios_string_table_len(t->eos);
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static int smbios_write_type1(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type1 *t = (struct smbios_type1 *)*current;
|
||||
int len = sizeof(struct smbios_type1);
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type1));
|
||||
fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle);
|
||||
t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
|
||||
t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
|
||||
|
||||
len = t->length + smbios_string_table_len(t->eos);
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static int smbios_write_type2(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type2 *t = (struct smbios_type2 *)*current;
|
||||
int len = sizeof(struct smbios_type2);
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type2));
|
||||
fill_smbios_header(t, SMBIOS_BOARD_INFORMATION, len, handle);
|
||||
t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
|
||||
t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
|
||||
t->feature_flags = SMBIOS_BOARD_FEATURE_HOSTING;
|
||||
t->board_type = SMBIOS_BOARD_MOTHERBOARD;
|
||||
|
||||
len = t->length + smbios_string_table_len(t->eos);
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static int smbios_write_type3(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type3 *t = (struct smbios_type3 *)*current;
|
||||
int len = sizeof(struct smbios_type3);
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type3));
|
||||
fill_smbios_header(t, SMBIOS_SYSTEM_ENCLOSURE, len, handle);
|
||||
t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
|
||||
t->chassis_type = SMBIOS_ENCLOSURE_DESKTOP;
|
||||
t->bootup_state = SMBIOS_STATE_SAFE;
|
||||
t->power_supply_state = SMBIOS_STATE_SAFE;
|
||||
t->thermal_state = SMBIOS_STATE_SAFE;
|
||||
t->security_status = SMBIOS_SECURITY_NONE;
|
||||
|
||||
len = t->length + smbios_string_table_len(t->eos);
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static int smbios_write_type4(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type4 *t = (struct smbios_type4 *)*current;
|
||||
int len = sizeof(struct smbios_type4);
|
||||
const char *vendor;
|
||||
char *name;
|
||||
char processor_name[CPU_MAX_NAME_LEN];
|
||||
struct cpuid_result res;
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type4));
|
||||
fill_smbios_header(t, SMBIOS_PROCESSOR_INFORMATION, len, handle);
|
||||
t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
|
||||
t->processor_family = gd->arch.x86;
|
||||
vendor = cpu_vendor_name(gd->arch.x86_vendor);
|
||||
t->processor_manufacturer = smbios_add_string(t->eos, vendor);
|
||||
res = cpuid(1);
|
||||
t->processor_id[0] = res.eax;
|
||||
t->processor_id[1] = res.edx;
|
||||
name = cpu_get_name(processor_name);
|
||||
t->processor_version = smbios_add_string(t->eos, name);
|
||||
t->status = SMBIOS_PROCESSOR_STATUS_ENABLED;
|
||||
t->processor_upgrade = SMBIOS_PROCESSOR_UPGRADE_NONE;
|
||||
t->l1_cache_handle = 0xffff;
|
||||
t->l2_cache_handle = 0xffff;
|
||||
t->l3_cache_handle = 0xffff;
|
||||
t->processor_family2 = t->processor_family;
|
||||
|
||||
len = t->length + smbios_string_table_len(t->eos);
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static int smbios_write_type32(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type32 *t = (struct smbios_type32 *)*current;
|
||||
int len = sizeof(struct smbios_type32);
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type32));
|
||||
fill_smbios_header(t, SMBIOS_SYSTEM_BOOT_INFORMATION, len, handle);
|
||||
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static int smbios_write_type127(u32 *current, int handle)
|
||||
{
|
||||
struct smbios_type127 *t = (struct smbios_type127 *)*current;
|
||||
int len = sizeof(struct smbios_type127);
|
||||
|
||||
memset(t, 0, sizeof(struct smbios_type127));
|
||||
fill_smbios_header(t, SMBIOS_END_OF_TABLE, len, handle);
|
||||
|
||||
*current += len;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static smbios_write_type smbios_write_funcs[] = {
|
||||
smbios_write_type0,
|
||||
smbios_write_type1,
|
||||
smbios_write_type2,
|
||||
smbios_write_type3,
|
||||
smbios_write_type4,
|
||||
smbios_write_type32,
|
||||
smbios_write_type127
|
||||
};
|
||||
|
||||
u32 write_smbios_table(u32 addr)
|
||||
{
|
||||
struct smbios_entry *se;
|
||||
u32 tables;
|
||||
int len = 0;
|
||||
int max_struct_size = 0;
|
||||
int handle = 0;
|
||||
char *istart;
|
||||
int isize;
|
||||
int i;
|
||||
|
||||
/* 16 byte align the table address */
|
||||
addr = ALIGN(addr, 16);
|
||||
|
||||
se = (struct smbios_entry *)addr;
|
||||
memset(se, 0, sizeof(struct smbios_entry));
|
||||
|
||||
addr += sizeof(struct smbios_entry);
|
||||
addr = ALIGN(addr, 16);
|
||||
tables = addr;
|
||||
|
||||
/* populate minimum required tables */
|
||||
for (i = 0; i < ARRAY_SIZE(smbios_write_funcs); i++) {
|
||||
int tmp = smbios_write_funcs[i](&addr, handle++);
|
||||
max_struct_size = max(max_struct_size, tmp);
|
||||
len += tmp;
|
||||
}
|
||||
|
||||
memcpy(se->anchor, "_SM_", 4);
|
||||
se->length = sizeof(struct smbios_entry);
|
||||
se->major_ver = SMBIOS_MAJOR_VER;
|
||||
se->minor_ver = SMBIOS_MINOR_VER;
|
||||
se->max_struct_size = max_struct_size;
|
||||
memcpy(se->intermediate_anchor, "_DMI_", 5);
|
||||
se->struct_table_length = len;
|
||||
se->struct_table_address = tables;
|
||||
se->struct_count = handle;
|
||||
|
||||
/* calculate checksums */
|
||||
istart = (char *)se + SMBIOS_INTERMEDIATE_OFFSET;
|
||||
isize = sizeof(struct smbios_entry) - SMBIOS_INTERMEDIATE_OFFSET;
|
||||
se->intermediate_checksum = table_compute_checksum(istart, isize);
|
||||
se->checksum = table_compute_checksum(se, sizeof(struct smbios_entry));
|
||||
|
||||
return addr;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue