1 files changed, 115 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/i386ex/start/macros.inc b/c/src/lib/libbsp/i386/i386ex/start/macros.inc
new file mode 100644
index 0000000000..53016ad62a
--- /dev/null
+++ b/c/src/lib/libbsp/i386/i386ex/start/macros.inc
@@ -0,0 +1,115 @@
+/* macros.inc
+ *
+ * This file assists the board independent startup code
+ * by initializing the chip-select channels to 
+ * reflect the proper memory configuration.
+ *
+ * NOTE: No stack has been established when this routine	
+ *       is invoked.  It returns to start.s through ldsegs
+ *
+ *  Submitted by:
+ *
+ *    Erik Ivanenko
+ *    University of Toronto
+ *    erik.ivanenko@utoronto.ca
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+.set GDT_CODE_PTR	, 0x10
+.set GDT_DATA_PTR	, 0x18	
+
+.set BOARD_SELECT  , 0x301
+.set BOARD_DATA	   , 0x302
+.set BOARD_LATCH   , 0x303
+
+
+#define SetExRegByte(_register,_value) \
+        movb       $ ## _value, al; \
+	movw	  $ ## _register, dx; \
+        outb       al, dx
+
+#define SetExRegWord(_register,_value) \
+        movw      $ ## _value, ax; \
+	movw      $ ## _register, dx ; \
+        outw      ax, dx
+
+
+#define DESC2(lim_0_15, bas_0_15, bas_16_23, access, gran, bas_24_31) \
+ .word lim_0_15 ; \
+ .word bas_0_15 ; \
+ .byte bas_16_23 ; \
+ .byte access ; \
+ .byte gran ; \
+ .byte bas_24_31
+
+#define DESC3( _base, _limit) \
+.word _limit ; \
+.long _base
+
+/* THE GET_ACCESS IS CHANGED FROM 8E TO 9E */
+
+#define INTERRUPT_GATE( _vector ) \
+	.word   _vector ; \
+	.word	GDT_CODE_PTR ; \
+	.byte   0x0 ; \
+	.byte	0x8E ; \
+	.word	0x0
+
+#define rLOAD_INDEX( _selector, _segment_register) \
+        movl     _selector , _segment_register ; \
+        addb	al, ( eax )
+
+#define rLOAD_SEGMENT( _reg, _segment_register) \
+        mov     _reg , _segment_register ; \
+
+/* #define rLOAD_SEGMENT( _reg, _segment_register) \
+	.code16 ; \
+        mov     _reg , _segment_register ; \
+        .code32 
+*/
+#define pLOAD_SEGMENT( _selector, _segment_register) \
+        movl     $ ##  _selector , eax ; .code16 ; \
+        mov      ax, _segment_register ; .code32 
+
+/* #define MOVE_WORD( _immed32, _reg ) \
+	data16 ; \
+	movl    _immed32, _reg
+*/
+
+#define MOVE_WORD( _immed32, _reg ) \
+	movw    _immed32, _reg
+
+/* #define MOVE_IMMED_WORD( _immed32, _reg ) \
+	data16 ; \
+	mov    $ ## _immed32, _reg
+
+#define CS_OFF( _cs_symbol, _reg ) \
+	data16 ; \
+	mov	_cs_symbol, _reg ; \
+	data16 ;\
+	andl	$0x000ffff, _reg
+
+#define _16_NOPS \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; \
+	nop ; 
+*/
+