diff options
Diffstat (limited to 'src/cbt.c')
| -rw-r--r-- | src/cbt.c | 40 |
1 files changed, 37 insertions, 3 deletions
@@ -1,8 +1,42 @@ +// BIOS configuration table. +// +// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net> +// Copyright (C) 2002 MandrakeSoft S.A. +// +// This file may be distributed under the terms of the GNU GPLv3 license. + #include "biosvar.h" // CONFIG_BIOS_TABLE -// bios variables +// DMA channel 3 used by hard disk BIOS +#define CBT_F1_DMA3USED (1<<7) +// 2nd interrupt controller (8259) installed +#define CBT_F1_2NDPIC (1<<6) +// Real-Time Clock installed +#define CBT_F1_RTC (1<<5) +// INT 15/AH=4Fh called upon INT 09h +#define CBT_F1_INT154F (1<<4) +// wait for external event (INT 15/AH=41h) supported +#define CBT_F1_WAITEXT (1<<3) +// extended BIOS area allocated (usually at top of RAM) +#define CBT_F1_EBDA (1<<2) +// bus is Micro Channel instead of ISA +#define CBT_F1_MCA (1<<1) +// system has dual bus (Micro Channel + ISA) +#define CBT_F1_MCAISA (1<<0) + +// INT 16/AH=09h (keyboard functionality) supported +#define CBT_F2_INT1609 (1<<6) struct bios_config_table_s BIOS_CONFIG_TABLE = { - // XXX - 18, + .size = sizeof(BIOS_CONFIG_TABLE) - 2, + .model = CONFIG_MODEL_ID, + .submodel = CONFIG_SUBMODEL_ID, + .biosrev = CONFIG_BIOS_REVISION, + .feature1 = ( + CBT_F1_2NDPIC | CBT_F1_RTC | CBT_F1_EBDA + | (CONFIG_KBD_CALL_INT15_4F ? CBT_F1_INT154F : 0)), + .feature2 = CBT_F2_INT1609, + .feature3 = 0, + .feature4 = 0, + .feature5 = 0, }; |