diff options
Diffstat (limited to 'src/arch/x86/interface/pcbios/bios_smbios.c')
| -rw-r--r-- | src/arch/x86/interface/pcbios/bios_smbios.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/src/arch/x86/interface/pcbios/bios_smbios.c b/src/arch/x86/interface/pcbios/bios_smbios.c index 366679d36..aaec1eea1 100644 --- a/src/arch/x86/interface/pcbios/bios_smbios.c +++ b/src/arch/x86/interface/pcbios/bios_smbios.c @@ -45,19 +45,18 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); * @ret rc Return status code */ static int bios_find_smbios2 ( struct smbios *smbios ) { - struct smbios_entry entry; - int rc; + const struct smbios_entry *entry; /* Scan through BIOS segment to find SMBIOS 32-bit entry point */ - if ( ( rc = find_smbios_entry ( real_to_user ( BIOS_SEG, 0 ), 0x10000, - &entry ) ) != 0 ) - return rc; + entry = find_smbios_entry ( real_to_virt ( BIOS_SEG, 0 ), 0x10000 ); + if ( ! entry ) + return -ENOENT; /* Fill in entry point descriptor structure */ - smbios->address = phys_to_user ( entry.smbios_address ); - smbios->len = entry.smbios_len; - smbios->count = entry.smbios_count; - smbios->version = SMBIOS_VERSION ( entry.major, entry.minor ); + smbios->address = phys_to_virt ( entry->smbios_address ); + smbios->len = entry->smbios_len; + smbios->count = entry->smbios_count; + smbios->version = SMBIOS_VERSION ( entry->major, entry->minor ); return 0; } @@ -69,26 +68,25 @@ static int bios_find_smbios2 ( struct smbios *smbios ) { * @ret rc Return status code */ static int bios_find_smbios3 ( struct smbios *smbios ) { - struct smbios3_entry entry; - int rc; + const struct smbios3_entry *entry; /* Scan through BIOS segment to find SMBIOS 64-bit entry point */ - if ( ( rc = find_smbios3_entry ( real_to_user ( BIOS_SEG, 0 ), 0x10000, - &entry ) ) != 0 ) - return rc; + entry = find_smbios3_entry ( real_to_virt ( BIOS_SEG, 0 ), 0x10000 ); + if ( ! entry ) + return -ENOENT; /* Check that address is accessible */ - if ( entry.smbios_address > ~( ( physaddr_t ) 0 ) ) { + if ( entry->smbios_address > ~( ( physaddr_t ) 0 ) ) { DBG ( "SMBIOS3 at %08llx is inaccessible\n", - ( ( unsigned long long ) entry.smbios_address ) ); + ( ( unsigned long long ) entry->smbios_address ) ); return -ENOTSUP; } /* Fill in entry point descriptor structure */ - smbios->address = phys_to_user ( entry.smbios_address ); - smbios->len = entry.smbios_len; + smbios->address = phys_to_virt ( entry->smbios_address ); + smbios->len = entry->smbios_len; smbios->count = 0; - smbios->version = SMBIOS_VERSION ( entry.major, entry.minor ); + smbios->version = SMBIOS_VERSION ( entry->major, entry->minor ); return 0; } |