grml...

[seabios.git] / src / biosvar.h

diff --git a/src/biosvar.h b/src/biosvar.h
index c67503cd5ef4a4e34b8812e3950fd832f8c28e45..b6f7174c59dd7b3ffd739c1ff85f45cd172ce91c 100644 (file)
--- a/src/biosvar.h
+++ b/src/biosvar.h
@@ -1,6 +1,6 @@
 // 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
@@ -25,6 +25,12 @@ struct rmode_IVT {
 #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)
@@ -97,7 +103,7 @@ struct bios_data_area_s {
     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
@@ -106,7 +112,8 @@ struct bios_data_area_s {
     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;
 
@@ -123,33 +130,6 @@ struct bios_data_area_s {
 #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)
@@ -187,7 +167,7 @@ struct dpte_s {
 
 // 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;
@@ -243,6 +223,7 @@ struct extended_bios_data_area_s {
     u8 other2[0xC4];
 
     // 0x121 - Begin custom storage.
+    u8 ps2ctr;
     struct usbkeyinfo usbkey_last;
 
     int RTCusers;
@@ -258,10 +239,12 @@ struct extended_bios_data_area_s {
 
     u16 boot_sequence;
 
+    /* TSC emulation timekeepers */
+    u64 tsc_8254;
+    int last_tsc_8254;
+
     // 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
@@ -329,12 +312,12 @@ static inline u16 get_global_seg(void) {
         (var) = (val);                          \
     } while (0)
 #if MODESEGMENT
-#define STORE_GLOBAL_PTR(var) (var)
-#define RETRIEVE_GLOBAL_PTR(var) (var)
+#define GLOBALFLAT2GLOBAL(var) ((typeof(var))((void*)(var) - BUILD_BIOS_ADDR))
 #else
-#define STORE_GLOBAL_PTR(var) ((typeof(var))((void*)var - BUILD_BIOS_ADDR))
-#define RETRIEVE_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)))
 
 
 /****************************************************************