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[efi] Use EFI-native mechanism for accessing SMBIOS table

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EFI provides a copy of the SMBIOS table accessible via the EFI system
table, which we should use instead of manually scanning through the
F000:0000 segment.
This commit is contained in:
Michael Brown
2008-12-04 23:09:48 +00:00
parent 045a22764a
commit 29480dd715
15 changed files with 376 additions and 180 deletions
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3
src/arch/i386/include/bits/errfile.h
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@@ -9,10 +9,9 @@
#define ERRFILE_memtop_umalloc ( ERRFILE_ARCH | ERRFILE_CORE | 0x00000000 )
#define ERRFILE_memmap ( ERRFILE_ARCH | ERRFILE_CORE | 0x00010000 )
#define ERRFILE_pnpbios ( ERRFILE_ARCH | ERRFILE_CORE | 0x00020000 )
#define ERRFILE_smbios ( ERRFILE_ARCH | ERRFILE_CORE | 0x00030000 )
#define ERRFILE_bios_smbios ( ERRFILE_ARCH | ERRFILE_CORE | 0x00030000 )
#define ERRFILE_biosint ( ERRFILE_ARCH | ERRFILE_CORE | 0x00040000 )
#define ERRFILE_int13 ( ERRFILE_ARCH | ERRFILE_CORE | 0x00050000 )
#define ERRFILE_smbios_settings ( ERRFILE_ARCH | ERRFILE_CORE | 0x00060000 )
#define ERRFILE_bootsector ( ERRFILE_ARCH | ERRFILE_IMAGE | 0x00000000 )
#define ERRFILE_bzimage ( ERRFILE_ARCH | ERRFILE_IMAGE | 0x00010000 )

12
src/arch/i386/include/bits/smbios.h Normal file
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@@ -0,0 +1,12 @@
#ifndef _BITS_SMBIOS_H
#define _BITS_SMBIOS_H
/** @file
*
* i386-specific SMBIOS API implementations
*
*/
#include <gpxe/bios_smbios.h>
#endif /* _BITS_SMBIOS_H */

16
src/arch/i386/include/gpxe/bios_smbios.h Normal file
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@@ -0,0 +1,16 @@
#ifndef _GPXE_BIOS_SMBIOS_H
#define _GPXE_BIOS_SMBIOS_H
/** @file
*
* Standard PC-BIOS SMBIOS interface
*
*/
#ifdef SMBIOS_PCBIOS
#define SMBIOS_PREFIX_pcbios
#else
#define SMBIOS_PREFIX_pcbios __pcbios_
#endif
#endif /* _GPXE_BIOS_SMBIOS_H */

60
src/arch/i386/include/smbios.h
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@@ -1,60 +0,0 @@
#ifndef _SMBIOS_H
#define _SMBIOS_H
/** @file
*
* System Management BIOS
*/
#include <stdint.h>
/** An SMBIOS structure header */
struct smbios_header {
/** Type */
uint8_t type;
/** Length */
uint8_t len;
/** Handle */
uint16_t handle;
} __attribute__ (( packed ));
/** SMBIOS structure descriptor */
struct smbios_structure {
/** Copy of SMBIOS structure header */
struct smbios_header header;
/** Offset of structure within SMBIOS */
size_t offset;
/** Length of strings section */
size_t strings_len;
};
/** SMBIOS system information structure */
struct smbios_system_information {
/** SMBIOS structure header */
struct smbios_header header;
/** Manufacturer string */
uint8_t manufacturer;
/** Product string */
uint8_t product;
/** Version string */
uint8_t version;
/** Serial number string */
uint8_t serial;
/** UUID */
uint8_t uuid[16];
/** Wake-up type */
uint8_t wakeup;
} __attribute__ (( packed ));
/** SMBIOS system information structure type */
#define SMBIOS_TYPE_SYSTEM_INFORMATION 1
extern int find_smbios_structure ( unsigned int type,
struct smbios_structure *structure );
extern int read_smbios_structure ( struct smbios_structure *structure,
void *data, size_t len );
extern int read_smbios_string ( struct smbios_structure *structure,
unsigned int index,
void *data, size_t len );
#endif /* _SMBIOS_H */