/* See COPYRIGHT for copyright information. */

#include <inc/mmu.h>
#include <inc/memlayout.h>
#include <inc/trap.h>

#include <kern/picirq.h>


###################################################################
# exceptions/interrupts
###################################################################

/* The TRAPHANDLER macro defines a globally-visible function for handling
 * a trap.  It pushes a trap number onto the stack, then jumps to _alltraps.
 * Use TRAPHANDLER for traps where the CPU automatically pushes an error code.
 */ 
#define TRAPHANDLER(name, num)						\
	.globl name;		/* define global symbol for 'name' */	\
	.type name, @function;	/* symbol type is function */		\
	.align 2;		/* align function definition */		\
	name:			/* function starts here */		\
	pushl $(num);							\
	jmp _alltraps

.set MY_SEL,0x10 


/* Use TRAPHANDLER_NOEC for traps where the CPU doesn't push an error code.
 * It pushes a 0 in place of the error code, so the trap frame has the same
 * format in either case.
 */
#define TRAPHANDLER_NOEC(name, num)					\
	.globl name;							\
	.type name, @function;						\
	.align 2;							\
	name:								\
	pushl $0;							\
	pushl $(num);							\
	jmp _alltraps

.text

/*
 * Lab 3: Your code here for generating entry points for the different traps.
 */
TRAPHANDLER_NOEC(h0, 0);
TRAPHANDLER_NOEC(h1, 1);
TRAPHANDLER_NOEC(h2, 2);
TRAPHANDLER_NOEC(h3, 3);
TRAPHANDLER_NOEC(h4, 4);
TRAPHANDLER_NOEC(h5, 5);
TRAPHANDLER_NOEC(h6, 6);
TRAPHANDLER_NOEC(h7, 7);
TRAPHANDLER(h8, 8);
TRAPHANDLER_NOEC(h9, 9);
TRAPHANDLER(h10, 10);
TRAPHANDLER(h11, 11);
TRAPHANDLER(h12, 12);
TRAPHANDLER(h13, 13);
TRAPHANDLER(h14, 14);
TRAPHANDLER_NOEC(h15,15);
TRAPHANDLER_NOEC(h16, 16);
TRAPHANDLER_NOEC(h17, 17);
TRAPHANDLER_NOEC(h18, 18);
TRAPHANDLER_NOEC(h19, 19);
TRAPHANDLER_NOEC(h20, 20);
TRAPHANDLER_NOEC(h21, 21);
TRAPHANDLER_NOEC(h22, 22);
TRAPHANDLER_NOEC(h23, 23);
TRAPHANDLER_NOEC(h24, 24);
TRAPHANDLER_NOEC(h25, 25)
TRAPHANDLER_NOEC(h26, 26);
TRAPHANDLER_NOEC(h27, 27);
TRAPHANDLER_NOEC(h28, 28);
TRAPHANDLER_NOEC(h29, 29);
TRAPHANDLER_NOEC(h30, 30);
TRAPHANDLER_NOEC(h31, 31);
TRAPHANDLER_NOEC(h32, 32);
TRAPHANDLER_NOEC(h33, 33);
TRAPHANDLER_NOEC(h34, 34);
TRAPHANDLER_NOEC(h35, 35);
TRAPHANDLER_NOEC(h36, 36);
TRAPHANDLER_NOEC(h37, 37);
TRAPHANDLER_NOEC(h38, 38);
TRAPHANDLER_NOEC(h39, 39);
TRAPHANDLER_NOEC(h40, 40);
TRAPHANDLER_NOEC(h41, 41);
TRAPHANDLER_NOEC(h42, 42)
TRAPHANDLER_NOEC(h43, 43)
TRAPHANDLER_NOEC(h44, 44)
TRAPHANDLER_NOEC(h45, 45)
TRAPHANDLER_NOEC(h46, 46)
TRAPHANDLER_NOEC(h47, 47)
TRAPHANDLER_NOEC(h48, 48)

/*
 * Lab 3: Your code here for _alltraps
 */
_alltraps:


push  %ds
push  %es

pushal

//deactivate interrupts
pushfl
movl (%esp), %eax
andl $0xfffffdff, %eax
popfl
pushl %eax
popfl

 
pushl %esp
// Because these instructions do not work we use push pop
//movw $MY_SEL,%ds 
//movw $MY_SEL,%es
pushw $0x0010
popw %ds
pushw $0x0010
popw %es
call trap
popl %esp
popal
pop %es
pop %ds
pop %eax; //get rid of the error code
iret