as of 2013-09-302013-09-30

1 files changed, 48 insertions, 2 deletions

diff --git a/main.c b/main.c
index 76e9168..9bd8b55 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,3 @@
-

 /*  file:  main.c

  *

  *  This file contains the function main

@@ -9,12 +8,59 @@
 #include <stdio.h>

 #include "mpx.h"

 

+pcb * pcb_list;

+pcb * ready_queue;

+pcb * io_init_queue;

 

 int main(void) {

-	printf("... booting MPX\n\n");

 

 	/* Put initialization code here */

 

+	// allocate memory for PCBs

+	pcb pcb0;

+	pcb pcb1;

+	pcb pcb2;

+	pcb pcb3;

+	pcb pcb4;

+	pcb pcb5;

+	pcb pcb6;

+	pcb pcb7;

+	pcb pcb8;

+	pcb pcb9;

+	pcb pcb10;

+	pcb pcb11;

+

+	// create the chain

+	pcb0.chain  = &pcb1;

+	pcb1.chain  = &pcb2;

+	pcb2.chain  = &pcb3;

+	pcb3.chain  = &pcb4;

+	pcb4.chain  = &pcb5;

+	pcb5.chain  = &pcb6;

+	pcb6.chain  = &pcb7;

+	pcb7.chain  = &pcb8;

+	pcb8.chain  = &pcb9;

+	pcb9.chain  = &pcb10;

+	pcb10.chain = &pcb11;

+	pcb11.chain = NULL;

+

+	build_pcb(&pcb0, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb1, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb2, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb3, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb4, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb5, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb6, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb7, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb8, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb9, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb10, "        ", FREE, -1, -1, 0);

+	build_pcb(&pcb11, "        ", FREE, -1, -1, 0);

+

+	pcb_list = &pcb0;

+

+	printf("... booting MPX\n\n");

+

 	comhan();    /* Execute the command handler */

 

 	return 0;