diff options
Diffstat (limited to 'src/arch/x86/interface')
| -rw-r--r-- | src/arch/x86/interface/pcbios/int13.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/arch/x86/interface/pcbios/int13.c b/src/arch/x86/interface/pcbios/int13.c index 3b3f87306..6f16904df 100644 --- a/src/arch/x86/interface/pcbios/int13.c +++ b/src/arch/x86/interface/pcbios/int13.c @@ -44,6 +44,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <ipxe/pci.h> #include <ipxe/iso9660.h> #include <ipxe/eltorito.h> +#include <ipxe/dhcp.h> +#include <ipxe/settings.h> #include <realmode.h> #include <bios.h> #include <biosint.h> @@ -1986,7 +1988,32 @@ static int int13_describe ( unsigned int drive ) { return 0; } -PROVIDE_SANBOOT_INLINE ( pcbios, san_default_drive ); +/** The "san-drive" setting */ +const struct setting san_drive_setting __setting ( SETTING_SANBOOT_EXTRA, + san-drive ) = { + .name = "san-drive", + .description = "SAN drive number", + .tag = DHCP_EB_SAN_DRIVE, + .type = &setting_type_uint8, +}; + +/** + * Get default SAN drive number + * + * @ret drive Default drive number + */ +static unsigned int int13_default_drive ( void ) { + unsigned long drive; + + /* Use "san-drive" setting, if specified */ + if ( fetch_uint_setting ( NULL, &san_drive_setting, &drive ) >= 0 ) + return drive; + + /* Otherwise, default to booting from first hard disk */ + return 0x80; +} + +PROVIDE_SANBOOT ( pcbios, san_default_drive, int13_default_drive ); PROVIDE_SANBOOT ( pcbios, san_hook, int13_hook ); PROVIDE_SANBOOT ( pcbios, san_unhook, int13_unhook ); PROVIDE_SANBOOT ( pcbios, san_boot, int13_boot ); |