remove duplication

don't use the same name for two different pieces of code

asm.h

@@ -2,10 +2,10 @@
 // macros to create x86 segments from assembler
 //
 
-#define SEG_NULL						\
+#define SEG_NULLASM						\
 	.word 0, 0;						\
 	.byte 0, 0, 0, 0
-#define SEG(type,base,lim)					\
+#define SEG_ASM(type,base,lim)					\
 	.word (((lim) >> 12) & 0xffff), ((base) & 0xffff);	\
 	.byte (((base) >> 16) & 0xff), (0x90 | (type)),		\
 		(0xC0 | (((lim) >> 28) & 0xf)), (((base) >> 24) & 0xff)

bootasm.S

@@ -87,9 +87,9 @@ spin:		jmp spin			# ..but in case it does, spin
 	
 .p2align 2					# force 4 byte alignment
 gdt:
-	SEG_NULL				# null seg
-	SEG(STA_X|STA_R, 0x0, 0xffffffff)	# code seg
-	SEG(STA_W, 0x0, 0xffffffff)	        # data seg
+	SEG_NULLASM				# null seg
+	SEG_ASM(STA_X|STA_R, 0x0, 0xffffffff)	# code seg
+	SEG_ASM(STA_W, 0x0, 0xffffffff)	        # data seg
 	
 gdtdesc:
 	.word	0x17			# sizeof(gdt) - 1

bootother.S

@@ -70,9 +70,9 @@ protcseg:
 	
 .p2align 2					# force 4 byte alignment
 gdt:
-	SEG_NULL				# null seg
-	SEG(STA_X|STA_R, 0x0, 0xffffffff)	# code seg
-	SEG(STA_W, 0x0, 0xffffffff)	        # data seg
+	SEG_NULLASM				# null seg
+	SEG_ASM(STA_X|STA_R, 0x0, 0xffffffff)	# code seg
+	SEG_ASM(STA_W, 0x0, 0xffffffff)	        # data seg
 	
 gdtdesc:
 	.word	0x17			# sizeof(gdt) - 1

console.c

 #include "types.h"
 #include "x86.h"
+#include "traps.h"
 #include "defs.h"
 #include "spinlock.h"
 #include "dev.h"

ide.c

@@ -8,6 +8,7 @@
 #include "proc.h"
 #include "defs.h"
 #include "x86.h"
+#include "traps.h"
 #include "spinlock.h"
 
 #define IDE_BSY		0x80

picirq.c

@@ -2,6 +2,7 @@
 
 #include "types.h"
 #include "x86.h"
+#include "traps.h"
 #include "defs.h"
 
 // I/O Addresses of the two 8259A programmable interrupt controllers

traps.h

@@ -27,6 +27,8 @@
 
 #define IRQ_OFFSET      32	// IRQ 0 corresponds to int IRQ_OFFSET
 
+#define IRQ_KBD         1
+#define IRQ_IDE         14
 #define IRQ_TIMER       18
 #define IRQ_ERROR       19
 #define IRQ_SPURIOUS    31

x86.h

@@ -151,12 +151,3 @@ struct trapframe {
     ushort ss;
     ushort padding4;
 };
-
-#define MAX_IRQS	16	// Number of IRQs
-
-#define IRQ_OFFSET      32	// IRQ 0 corresponds to int IRQ_OFFSET
-
-#define IRQ_KBD         1
-#define IRQ_IDE         14
-#define IRQ_ERROR       19
-#define IRQ_SPURIOUS    31