short MP_setup(INT32 frame, INT32 pid, INT32 logical_page, INT32 state) {
short static first_time = TRUE;
if (first_time == TRUE) {
MP_initialize();
first_time = FALSE;
}
if (frame < 0 || frame >= PHYS_MEM_PGS) {
printf("Frame value %d is not in the range 0 - %d in MP_setup\n",
frame, PHYS_MEM_PGS - 1);
return 1;
}
if (pid < 0 || pid > 9) {
printf("Input PID %d not in range 0 - 9 in MP_setup.\n", pid);
return 1;
}
if (logical_page < 0 || logical_page >= VIRTUAL_MEM_PAGES) {
printf("Input logical page (%d) not in range 0 - %d in MP_setup.\n",
logical_page, VIRTUAL_MEM_PAGES - 1);
return 1;
}
if (state < 0 || state > 7) {
printf("Input state %d not in range 0 - 7 in MP_setup\n", state);
return 1;
}
if (logical_page > 0 || pid > 0 || state > 0) { // Check there's data 2014
MP_ft.entry[frame].contains_data = TRUE;
MP_ft.entry[frame].logical_page = logical_page;
MP_ft.entry[frame].pid = pid;
MP_ft.entry[frame].state = state;
}
return 0;
}
void MP_print_line(void)
{
INT32 index;
INT32 temp;
char output_line3[PHYS_MEM_PGS + 5];
char output_line4[PHYS_MEM_PGS + 5];
char output_line5[PHYS_MEM_PGS + 5];
char output_line6[PHYS_MEM_PGS + 5];
char output_line7[PHYS_MEM_PGS + 5];
char output_line8[PHYS_MEM_PGS + 5];
/* Header Line */
SP_do_output("\n PHYSICAL MEMORY STATE\n");
/* First Line */
SP_do_output("Frame 0000000000111111111122222222223333333333444444444455555555556666\n");
/* Second Line */
SP_do_output("Frame 0123456789012345678901234567890123456789012345678901234567890123\n");
/* Third - Eighth Line */
strcpy(output_line3, " \n");
strcpy(output_line4, " \n");
strcpy(output_line5, " \n");
strcpy(output_line6, " \n");
strcpy(output_line7, " \n");
strcpy(output_line8, " \n");
for (index = 0; index < PHYS_MEM_PGS; index++)
{
if (MP_ft.entry[index].contains_data == TRUE)
{
output_line3[index] = (char) (MP_ft.entry[index].pid + 48);
temp = MP_ft.entry[index].logical_page;
output_line4[index] = (char) (temp / 1000) + 48;
output_line5[index] = (char) ((temp / 100) % 10) + 48;
output_line6[index] = (char) ((temp / 10) % 10) + 48;
output_line7[index] = (char) ((temp) % 10) + 48;
output_line8[index] = (char) MP_ft.entry[index].state + 48;
}
}
SP_do_output("PID ");
SP_do_output(output_line3);
SP_do_output("VPN ");
SP_do_output(output_line4);
SP_do_output("VPN ");
SP_do_output(output_line5);
SP_do_output("VPN ");
SP_do_output(output_line6);
SP_do_output("VPN ");
SP_do_output(output_line7);
SP_do_output("VMR ");
SP_do_output(output_line8);
MP_initialize();
}
