adding in ecen425 RTOS final lab

2016-04-10 09:23:15 -07:00
parent 4014513685
commit e3fae2b680
18 changed files with 2605 additions and 0 deletions
@@ -0,0 +1,118 @@
+RESET:
+
+		call 	resetHandler	;calling C interrupt handler
+
+
+TICK:
+
+		push 	ax
+		push 	bx
+		push 	cx
+		push 	dx
+		push 	di
+		push 	si
+		push 	ds
+		push 	es
+		push 	bp
+		call		YKGetISRCallDepth
+		test		ax, ax
+		jnz		tick_1
+		mov		si, [currentTask]
+		add		si, word 0x4
+		mov 		[si], sp
+
+tick_1:
+		call	YKEnterISR
+
+		sti					;enabling interrupts
+		call	tickHandler		;calling C interrupt handler
+		cli					;disabling interrupts
+
+		mov 		al, 0x20			;Load nonspecific EOI value (0x20) into register al
+		out		0x20, al		;Write EOI to PIC (port 0x20)
+
+		call	YKExitISR
+
+		pop		bp
+		pop		es
+		pop		ds
+		pop		si
+		pop		di
+		pop		dx
+		pop		cx
+		pop		bx
+		pop		ax
+
+		iret					;returning from ISR
+
+KEYBOARD:
+
+		push 	ax
+		push 	bx
+		push 	cx
+		push 	dx
+		push 	di
+		push 	si
+		push 	ds
+		push 	es
+		push 	bp
+		call		YKGetISRCallDepth
+		test		ax, ax
+		jnz		keyboard_1
+		mov		si, [currentTask]
+		add		si, word 0x4
+		mov 		[si], sp	
+
+keyboard_1:		
+		call	YKEnterISR
+		
+		sti						;enabling interrupts
+		call	keyboardHandler ;calling C interrupt handler
+		cli						;disabling interrupts
+
+		mov     al, 0x20		;Load nonspecific EOI value (0x20) into register al
+		out		0x20, al		;Write EOI to PIC (port 0x20)
+
+		call	YKExitISR
+
+		pop		bp
+		pop		es
+		pop		ds
+		pop		si
+		pop		di
+		pop		dx
+		pop		cx
+		pop		bx
+		pop		ax
+
+		iret					;returning from ISR
+
+TRAP:
+
+		push 	ax
+		push 	bx
+		push 	cx
+		push 	dx
+		push 	di
+		push 	si
+		push 	ds
+		push 	es
+		push 	bp
+		mov		si, [currentTask]
+		add		si, word 0x4
+		mov 		[si], sp
+
+		call 	YKScheduler
+
+		pop		bp
+		pop		es
+		pop		ds
+		pop		si
+		pop		di
+		pop		dx
+		pop		cx
+		pop		bx
+		pop		ax
+
+		iret
+