From c4ed6736d2e093ea7433328a552d53d3bcaff927 Mon Sep 17 00:00:00 2001 From: Ben Burwell Date: Wed, 1 Apr 2015 20:06:27 -0400 Subject: as of 2013-09-30 --- main.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 48 insertions(+), 2 deletions(-) (limited to 'main.c') 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 #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; -- cgit v1.2.3