// Variable layouts of bios.
//
-// Copyright (C) 2008,2009 Kevin O'Connor <kevin@koconnor.net>
+// Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
//
// This file may be distributed under the terms of the GNU LGPLv3 license.
#ifndef __BIOSVAR_H
#define SET_IVT(vector, segoff) \
SET_FARVAR(SEG_IVT, ((struct rmode_IVT *)0)->ivec[vector], segoff)
+#define FUNC16(func) ({ \
+ ASSERT32FLAT(); \
+ extern void func (void); \
+ SEGOFF(SEG_BIOS, (u32)func - BUILD_BIOS_ADDR); \
+ })
+
/****************************************************************
* Bios Data Area (BDA)
u8 floppy_media_state[4];
u8 floppy_track[2];
u8 kbd_flag2;
- u8 kbd_flag3;
+ u8 kbd_led;
struct segoff_s user_wait_complete_flag;
u32 user_wait_timeout;
// 40:A0
struct segoff_s video_savetable;
u8 other_ac[4];
// 40:B0
- u8 other_b0[10];
+ u8 other_b0[9];
+ u8 vbe_flag;
u16 vbe_mode;
} PACKED;
#define FMS_DOUBLE_STEPPING (1<<5)
#define FMS_DATA_RATE_MASK (0xc0)
-// Bit definitions for kbd_flag[0123]
-#define KF0_RSHIFT (1<<0)
-#define KF0_LSHIFT (1<<1)
-#define KF0_CTRLACTIVE (1<<2)
-#define KF0_ALTACTIVE (1<<3)
-#define KF0_SCROLLACTIVE (1<<4)
-#define KF0_NUMACTIVE (1<<5)
-#define KF0_CAPSACTIVE (1<<6)
-
-#define KF1_LCTRL (1<<0)
-#define KF1_LALT (1<<1)
-#define KF1_PAUSEACTIVE (1<<3)
-#define KF1_SCROLL (1<<4)
-#define KF1_NUM (1<<5)
-#define KF1_CAPS (1<<6)
-
-#define KF2_LAST_E1 (1<<0)
-#define KF2_LAST_E0 (1<<1)
-#define KF2_RCTRL (1<<2)
-#define KF2_RALT (1<<3)
-#define KF2_101KBD (1<<4)
-
-#define KF3_SCROLL_LED (1<<0)
-#define KF3_NUM_LED (1<<1)
-#define KF3_CAPS_LED (1<<2)
-#define KF3_CMD_PENDING (1<<6)
-
// Accessor functions
#define GET_BDA(var) \
GET_FARVAR(SEG_BDA, ((struct bios_data_area_s *)0)->var)
// ElTorito Device Emulation data
struct cdemu_s {
- struct drive_s *emulated_drive;
+ struct drive_s *emulated_drive_gf;
u32 ilba;
u16 buffer_segment;
u16 load_segment;
u8 checksum;
} PACKED;
+struct usbkeyinfo {
+ union {
+ struct {
+ u8 modifiers;
+ u8 repeatcount;
+ u8 keys[6];
+ };
+ u64 data;
+ };
+};
+
struct extended_bios_data_area_s {
u8 size;
u8 reserved1[0x21];
u8 other2[0xC4];
// 0x121 - Begin custom storage.
+ u8 ps2ctr;
+ struct usbkeyinfo usbkey_last;
+
int RTCusers;
// El Torito Emulation data
// Stack space available for code that needs it.
u8 extra_stack[512] __aligned(8);
-
- u8 cdemu_buf[2048 * !!CONFIG_CDROM_EMU];
} PACKED;
// The initial size and location of EBDA
(var) = (val); \
} while (0)
#if MODESEGMENT
-#define ADJUST_GLOBAL_PTR(var) (var)
+#define GLOBALFLAT2GLOBAL(var) ((typeof(var))((void*)(var) - BUILD_BIOS_ADDR))
#else
-#define ADJUST_GLOBAL_PTR(var) ((typeof(var))((void*)var - BUILD_BIOS_ADDR))
+#define GLOBALFLAT2GLOBAL(var) (var)
#endif
+// Access a "flat" pointer known to point to the f-segment.
+#define GET_GLOBALFLAT(var) GET_GLOBAL(*GLOBALFLAT2GLOBAL(&(var)))
/****************************************************************