fw_cfg.c File Reference

#include <endian.h>
#include <stdlib.h>
#include <string.h>
#include <smbios.h>
#include <console/console.h>
#include <arch/io.h>
#include <acpi/acpi.h>
#include <commonlib/endian.h>
#include "fw_cfg.h"
#include "fw_cfg_if.h"

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Data Structures
struct	BiosLinkerLoaderEntry

Macros
#define	FW_CFG_PORT_CTL   0x0510
#define	FW_CFG_PORT_DATA   0x0511
#define	FW_CFG_DMA_ADDR_HIGH   0x0514
#define	FW_CFG_DMA_ADDR_LOW   0x0518
#define	BIOS_LINKER_LOADER_FILESZ   56

Typedefs
typedef struct BiosLinkerLoaderEntry	BiosLinkerLoaderEntry

Enumerations
enum	{ BIOS_LINKER_LOADER_COMMAND_ALLOCATE = 0x1 , BIOS_LINKER_LOADER_COMMAND_ADD_POINTER = 0x2 , BIOS_LINKER_LOADER_COMMAND_ADD_CHECKSUM = 0x3 }
enum	{ BIOS_LINKER_LOADER_ALLOC_ZONE_HIGH = 0x1 , BIOS_LINKER_LOADER_ALLOC_ZONE_FSEG = 0x2 }

Functions
static void	fw_cfg_dma (int control, void *buf, int len)
static int	fw_cfg_present (void)
static void	fw_cfg_select (uint16_t entry)
static void	fw_cfg_read (void *dst, int dstlen)
void	fw_cfg_get (uint16_t entry, void *dst, int dstlen)
static int	fw_cfg_find_file (FWCfgFile *file, const char *name)
int	fw_cfg_check_file (FWCfgFile *file, const char *name)
static int	fw_cfg_e820_select (uint32_t *size)
static int	fw_cfg_e820_read (FwCfgE820Entry *entry, uint32_t *size, uint32_t *pos)
uintptr_t	fw_cfg_tolud (void)
int	fw_cfg_max_cpus (void)
unsigned long	fw_cfg_acpi_tables (unsigned long start)
static void	fw_cfg_smbios_init (void)
static unsigned long	smbios_next (unsigned long current)
unsigned long	fw_cfg_smbios_tables (int *handle, unsigned long *current)
const char *	smbios_mainboard_manufacturer (void)
const char *	smbios_mainboard_product_name (void)
const char *	smbios_mainboard_version (void)
const char *	smbios_mainboard_serial_number (void)
void	smbios_system_set_uuid (u8 *uuid)

Variables
static int	fw_cfg_detected
static uint8_t	fw_ver
struct BiosLinkerLoaderEntry	__packed
static const char *	type1_manufacturer
static const char *	type1_product_name
static const char *	type1_version
static const char *	type1_serial_number
static const char *	type1_family
static u8	type1_uuid [16]

Macro Definition Documentation

BIOS_LINKER_LOADER_FILESZ

#define BIOS_LINKER_LOADER_FILESZ   56

Definition at line 163 of file fw_cfg.c.

FW_CFG_DMA_ADDR_HIGH

#define FW_CFG_DMA_ADDR_HIGH   0x0514

Definition at line 17 of file fw_cfg.c.

FW_CFG_DMA_ADDR_LOW

#define FW_CFG_DMA_ADDR_LOW   0x0518

Definition at line 18 of file fw_cfg.c.

FW_CFG_PORT_CTL

#define FW_CFG_PORT_CTL   0x0510

Definition at line 15 of file fw_cfg.c.

FW_CFG_PORT_DATA

#define FW_CFG_PORT_DATA   0x0511

Definition at line 16 of file fw_cfg.c.

Typedef Documentation

BiosLinkerLoaderEntry

typedef struct BiosLinkerLoaderEntry BiosLinkerLoaderEntry

Definition at line 131 of file fw_cfg.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
BIOS_LINKER_LOADER_COMMAND_ALLOCATE
BIOS_LINKER_LOADER_COMMAND_ADD_POINTER
BIOS_LINKER_LOADER_COMMAND_ADD_CHECKSUM

Definition at line 215 of file fw_cfg.c.

anonymous enum

anonymous enum

Enumerator
BIOS_LINKER_LOADER_ALLOC_ZONE_HIGH
BIOS_LINKER_LOADER_ALLOC_ZONE_FSEG

Definition at line 221 of file fw_cfg.c.

Function Documentation

fw_cfg_acpi_tables()

unsigned long fw_cfg_acpi_tables

(

unsigned long

start

)

Definition at line 226 of file fw_cfg.c.

References acpi_checksum(), ALIGN, BiosLinkerLoaderEntry::alloc, BIOS_DEBUG, BIOS_LINKER_LOADER_COMMAND_ADD_CHECKSUM, BIOS_LINKER_LOADER_COMMAND_ADD_POINTER, BIOS_LINKER_LOADER_COMMAND_ALLOCATE, BiosLinkerLoaderEntry::cksum, BiosLinkerLoaderEntry::command, free(), fw_cfg_check_file(), fw_cfg_get(), malloc(), BiosLinkerLoaderEntry::pointer, printk, read_le32(), read_le64(), s, FWCfgFile::select, FWCfgFile::size, BiosLinkerLoaderEntry::start, strcmp(), write_le32(), write_le64(), and write_le8().

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fw_cfg_check_file()

int fw_cfg_check_file	(	FWCfgFile *	file,
		const char *	name
	)

Definition at line 85 of file fw_cfg.c.

References fw_cfg_find_file(), fw_cfg_present(), and name.

Referenced by cpu_pci_domain_read_resources(), fw_cfg_acpi_tables(), fw_cfg_smbios_tables(), and get_recovery_mode_switch().

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fw_cfg_dma()

static void fw_cfg_dma ( int  control, void *  buf, int  len  )

static

Definition at line 512 of file fw_cfg.c.

References buf, dma, FW_CFG_DMA_ADDR_HIGH, FW_CFG_DMA_ADDR_LOW, FW_CFG_DMA_CTL_ERROR, and outl().

Referenced by fw_cfg_read().

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fw_cfg_e820_read()

static int fw_cfg_e820_read ( FwCfgE820Entry *  entry, uint32_t *  size, uint32_t *  pos  )

static

Definition at line 103 of file fw_cfg.c.

References fw_cfg_read().

Referenced by fw_cfg_tolud().

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fw_cfg_e820_select()

static int fw_cfg_e820_select ( uint32_t *  size )

static

Definition at line 92 of file fw_cfg.c.

References fw_cfg_find_file(), fw_cfg_present(), and fw_cfg_select().

Referenced by fw_cfg_tolud().

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fw_cfg_find_file()

static int fw_cfg_find_file ( FWCfgFile *  file, const char *  name  )

static

Definition at line 64 of file fw_cfg.c.

References BIOS_INFO, count, FW_CFG_FILE_DIR, fw_cfg_read(), fw_cfg_select(), name, printk, and strcmp().

Referenced by fw_cfg_check_file(), and fw_cfg_e820_select().

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fw_cfg_get()

void fw_cfg_get	(	uint16_t	entry,
		void *	dst,
		int	dstlen
	)

Definition at line 58 of file fw_cfg.c.

References fw_cfg_read(), and fw_cfg_select().

Referenced by cpu_pci_domain_read_resources(), fw_cfg_acpi_tables(), fw_cfg_present(), fw_cfg_smbios_init(), fw_cfg_smbios_tables(), and get_recovery_mode_switch().

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fw_cfg_max_cpus()

int fw_cfg_max_cpus

(

void

)

Definition at line 131 of file fw_cfg.c.

fw_cfg_present()

static int fw_cfg_present ( void  )

static

Definition at line 25 of file fw_cfg.c.

References BIOS_INFO, fw_cfg_detected, fw_cfg_get(), FW_CFG_ID, FW_CFG_SIG_SIZE, FW_CFG_SIGNATURE, fw_ver, memcmp(), and printk.

Referenced by fw_cfg_check_file(), and fw_cfg_e820_select().

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fw_cfg_read()

static void fw_cfg_read ( void *  dst, int  dstlen  )

static

Definition at line 50 of file fw_cfg.c.

References fw_cfg_dma(), FW_CFG_DMA_CTL_READ, FW_CFG_PORT_DATA, FW_CFG_VERSION_DMA, fw_ver, and insb().

Referenced by fw_cfg_e820_read(), fw_cfg_find_file(), and fw_cfg_get().

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fw_cfg_select()

static void fw_cfg_select ( uint16_t  entry )

static

Definition at line 45 of file fw_cfg.c.

References FW_CFG_PORT_CTL, and outw().

Referenced by fw_cfg_e820_select(), fw_cfg_find_file(), and fw_cfg_get().

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fw_cfg_smbios_init()

static void fw_cfg_smbios_init ( void  )

static

Definition at line 351 of file fw_cfg.c.

References buf, count, FwCfgSmbios::fieldoffset, free(), fw_cfg_get(), FW_CFG_PORT_DATA, FW_CFG_SMBIOS_ENTRIES, FwCfgSmbios::headertype, insb(), FwCfgSmbios::length, malloc(), memcpy(), offsetof, SMBIOS_FIELD_ENTRY, strdup(), FwCfgSmbios::tabletype, type1_family, type1_manufacturer, type1_product_name, type1_serial_number, type1_uuid, type1_version, and version.

Referenced by smbios_mainboard_manufacturer(), smbios_mainboard_product_name(), smbios_mainboard_serial_number(), smbios_mainboard_version(), and smbios_system_set_uuid().

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fw_cfg_smbios_tables()

unsigned long fw_cfg_smbios_tables	(	int *	handle,
		unsigned long *	current
	)

Definition at line 424 of file fw_cfg.c.

References BIOS_DEBUG, count, fw_cfg_check_file(), fw_cfg_get(), smbios_header::handle, header, printk, FWCfgFile::select, FWCfgFile::size, SMBIOS_BIOS_INFORMATION, SMBIOS_END_OF_TABLE, smbios_next(), and strcmp().

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fw_cfg_tolud()

uintptr_t fw_cfg_tolud

(

void

)

Definition at line 115 of file fw_cfg.c.

References FwCfgE820Entry::address, fw_cfg_e820_read(), fw_cfg_e820_select(), FwCfgE820Entry::length, and FwCfgE820Entry::type.

Referenced by cbmem_top_chipset().

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smbios_mainboard_manufacturer()

const char* smbios_mainboard_manufacturer

(

void

)

Definition at line 478 of file fw_cfg.c.

References fw_cfg_smbios_init(), and type1_manufacturer.

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smbios_mainboard_product_name()

const char* smbios_mainboard_product_name

(

void

)

Definition at line 484 of file fw_cfg.c.

References fw_cfg_smbios_init(), and type1_product_name.

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smbios_mainboard_serial_number()

const char* smbios_mainboard_serial_number

(

void

)

Definition at line 496 of file fw_cfg.c.

References fw_cfg_smbios_init(), and type1_serial_number.

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smbios_mainboard_version()

const char* smbios_mainboard_version

(

void

)

Definition at line 490 of file fw_cfg.c.

References fw_cfg_smbios_init(), and type1_version.

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smbios_next()

static unsigned long smbios_next ( unsigned long  current )

static

Definition at line 394 of file fw_cfg.c.

References count, header, s, and strlen().

Referenced by fw_cfg_smbios_tables().

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smbios_system_set_uuid()

void smbios_system_set_uuid

(

u8 *

uuid

)

Definition at line 502 of file fw_cfg.c.

References fw_cfg_smbios_init(), memcpy(), and type1_uuid.

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Variable Documentation

__packed

struct BiosLinkerLoaderEntry __packed

fw_cfg_detected

int fw_cfg_detected

static

Definition at line 20 of file fw_cfg.c.

Referenced by fw_cfg_present().

fw_ver

uint8_t fw_ver

static

Definition at line 21 of file fw_cfg.c.

Referenced by cse_get_sub_part_fw_version(), cse_sub_part_get_source_fw_version(), fw_cfg_present(), and fw_cfg_read().

type1_family

const char* type1_family

static

Definition at line 348 of file fw_cfg.c.

Referenced by fw_cfg_smbios_init().

type1_manufacturer

const char* type1_manufacturer

static

Definition at line 344 of file fw_cfg.c.

Referenced by fw_cfg_smbios_init(), and smbios_mainboard_manufacturer().

type1_product_name

const char* type1_product_name

static

Definition at line 345 of file fw_cfg.c.

Referenced by fw_cfg_smbios_init(), and smbios_mainboard_product_name().

type1_serial_number

const char* type1_serial_number

static

Definition at line 347 of file fw_cfg.c.

Referenced by fw_cfg_smbios_init(), and smbios_mainboard_serial_number().

type1_uuid

u8 type1_uuid[16]

static

Definition at line 349 of file fw_cfg.c.

Referenced by fw_cfg_smbios_init(), and smbios_system_set_uuid().

type1_version

const char* type1_version

static

Definition at line 346 of file fw_cfg.c.

Referenced by fw_cfg_smbios_init(), and smbios_mainboard_version().